Πληροφορική

Χρηματοοικονομικά

Διοίκηση Επιχειρήσεων

Κατασκευαστικός Κλάδος / Τεχνικά Επαγγέλματα

Εταιρικές Πωλήσεις

ΜΜΕ / Social Media

Ανθρώπινο Δυναμικό / HR

Κέντρο Εξυπηρέτησης / Call Center

Άλλο

Marketing

LastWeek

LastThreeDays

Today

Aoristou

Internship

FullTime

OnSite

Hybrid

Remote

We are looking for an enthusiastic Junior Data Scientist to join the activities of our team. The candidate will have the opportunity to work on cutting edge projects by performing in-depth analysis on big data. The successful candidate will join a friendly team of leading experts in the field of Data Science and expand their knowledge in a pleasant and inspiring environment.<h2>The main responsibilities of the position include:</h2><ul><li></li></ul><ul><li>Execute queries in both relational and non-relational databases.</li><li>Perform data cleansing and preprocessing.</li><li>Analyze and resolve data issues.</li><li>Perform ad-hoc reporting where is needed</li><li>Collaborate with cross-functional teams to understand business requirements.</li><li>Performing exploratory data analysis to identify patterns and trends.</li><li>Assess the performance of the models developed by the Data Scientists</li><li>Communicate results with the rest of the team&nbsp;</li></ul><h2>Main requirements:</h2><ul><li></li></ul><ul><li>University degree in Computer Science, Data Science or related field.</li><li>At least 1 year of experience with Python-based libraries, such as Pandas, NumPy and Polars for data wrangling and preprocessing.</li><li>Strong foundation in Python, with the ability to write clean and efficient code for production-ready projects and scalable solutions.</li><li>Fundamental knowledge or exposure to Machine Learning and Natural Language Processing (NLP) concepts.</li><li>Experience with data visualization tools and libraries in Python (e.g., Matplotlib, Seaborn, Plotly).</li><li>Willingness to learn and stay up to date with emerging data science trends and new technologies.</li><li>High attention to detail.</li><li>Ability to work in a team.</li><li>Strong analytical and problem-solving skills.</li><li>Self–motivation and passion to work with data.</li><li>Eagerness for continuous professional development.</li><li>Excellent verbal and written communication skills in English.</li></ul><h2>The following will be considered an advantage:</h2><ul><li></li></ul><ul><li>Familiarity with SQL queries. Experience with MongoDB queries and the aggregation framework.</li><li>Familiarity with Unix/Linux.</li><li>Basic understanding of AWS services</li></ul><h2>Benefit from:</h2><ul><li></li></ul><ul><li>Attractive remuneration package</li><li>Private health insurance</li><li>Corporate pension fund</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li></ul><h2></h2>

Junior Data Scientist

As a Tech Talent Acquisition Specialist, you will play a critical role in sourcing, attracting, and hiring top technical talent. You will partner with hiring managers and executives to understand their hiring needs and develop effective recruitment strategies. During this journey, you will experience countless opportunities for learning and personal development within a global setting. <h2>The main responsibilities of the position include:</h2><ul><li></li></ul><ul><li>Develop and implement innovative sourcing strategies to attract top tech talent across various channels, including social media, job boards, networking events, and industry conferences.</li><li>Leverage business acumen to understand the strategic goals of the company and align recruitment strategies accordingly.</li><li>Manage the end-to-end recruitment process, from job posting to offer acceptance, ensuring a positive candidate experience throughout.</li><li>Conduct thorough screening and assessment of candidates to ensure alignment with job requirements and company culture.</li><li>Collaborate with hiring managers to create compelling job descriptions and define key selection criteria.</li><li>Build and maintain a strong pipeline of passive and active candidates for current and future hiring needs.</li><li>Utilize data and analytics to measure the effectiveness of recruitment strategies and continuously improve the hiring process.</li><li>Champion our employer brand, create compelling content to showcase our culture and values and provide suggestions for further enhancements.&nbsp;</li><li>Provide innovative ideas for improving recruitment processes and overall talent acquisition strategies.</li><li>Mentor and guide junior recruiters, providing training and support to enhance their recruitment skills.</li><li>Stay up-to-date with industry trends and best practices in talent acquisition and technology.</li></ul><h2>Main requirements:</h2><ul><li></li></ul><ul><li>BSc/MSc in Human Resources, Psychology, Business Management or any other related field.</li><li>CIPD qualification will be considered an advantage.</li><li>At least 3 years of hands-on experience in Tech recruitment.&nbsp;&nbsp;</li><li>Excellent communication and interpersonal skills, with the ability to build rapport with candidates and stakeholders.&nbsp;</li><li>Ability to prioritise tasks and manage multiple projects simultaneously.</li><li>Resourceful with drive and passion for talent attraction.&nbsp;</li><li>Enthusiastic, team player with a strong drive to create a positive and collaborative work environment.</li><li>Excellent oral and written communication skills in English.</li><li>Proficient in Microsoft Office. Working experience with an applicant tracking system (ATS) will be considered an advantage.&nbsp;</li></ul><h2>Benefit from:</h2><ul><li></li></ul><ul><li>Attractive remuneration package plus performance related reward</li><li>Private health insurance</li><li>Corporate pension fund</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li></ul>

Tech Talent Acquisition Executive

We are seeking for skilled and motivated Data Engineers to join our dynamic Business Intelligence and Data Science teams. The successful candidates will work with leading experts on cutting-edge projects relating to the definition and development of efficient big data structures, data cleansing techniques and design and optimisation of data infrastructure and pipelines.&nbsp;&nbsp;<h2>The main responsibilities of the position include:</h2><ul><li></li></ul><ul><li>Understand data requirements and develop efficient data models and structures.</li><li>Design, build, and maintain scalable and reliable data structures, pipelines and processes.</li><li>Execute queries in both relational and non-relational databases.</li><li>Collaborate with cross-functional teams to define and enforce data governance policies and data security best practices.</li><li>Monitor, troubleshoot and resolve issues regarding data quality, data pipeline failures, and data infrastructure.&nbsp;</li><li>Stay up to date with emerging trends and technologies in the data engineering and data management field and recommend innovative solutions to enhance our data infrastructure and processes.</li><li> </li></ul><h2>Main requirements:</h2><ul><li></li></ul><ul><li>BSc/MSc in Computer Science, Physics/Science, Engineering, Mathematics or other relevant field</li><li>Experience in data manipulation and big-data processing frameworks will be considered an advantage</li><li>Good knowledge of SQL and experience with relational databases will be considered an advantage</li><li>Familiarity with ETL processes, data warehousing concepts, and related technologies will be considered an advantage</li><li>Programming experience with Python or any high-level programming language will be considered an advantage</li><li>Experience with Unix/Linux will be considered an advantage</li><li>Good knowledge of data visualisation techniques</li><li>Self-motivation and passion for working with data</li><li>Eagerness for continuous professional development</li><li>Excellent problem-solving and analytical skills with attention to detail</li><li>Strong communication and collaboration skills to work effectively in a team environment</li><li>Excellent verbal and written communication skills in English</li></ul><h2>Benefit from:</h2><ul><li></li></ul><ul><li>Attractive remuneration package</li><li>Private health insurance</li><li>Corporate pension fund</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li></ul><h2></h2>

Data Engineer

As our new Senior PHP Developer, you will join an amazing team who is dedicated to taking the next step in software engineering. You will make key decisions on software processes, and use Kubernetes and Terraform on PHP, Go, React &amp; Angular on AWS. The team will keep you up-to-date with the latest technology stacks and processes and help you see challenging projects from beginning to end.<h2>The main responsibilities of the position include:</h2><ul><li></li></ul><ul><li>Design and implement new features/projects</li><li>Maintain and refactor existing web applications such as the company's website, registration forms, Members Area and internal web services</li><li>Research and integrate new web technologies</li><li>Write tests that will run on a continuous integration server 24/7 to ensure code testability, code coverage and quality conforms to the company’s highest standards</li><li>Resolve support tickets for IT related issues</li></ul><h2>Main requirements:</h2><ul><li></li></ul><ul><li>BSc/MSc in Information Technology or any other relevant degree</li><li>At least 3 years of experience in a similar position</li><li>Very good knowledge of PHP 7+, MySQL, Redis, Git</li><li>Experience in creating and consuming web services</li><li>Experience with modern PHP frameworks</li><li>Experience in writing tests with PHPUnit</li><li>Ability to research and adapt new web technologies that add value to the team</li><li>Strong organisational skills with the ability to multitask and prioritise</li><li>Problem solving and analytical skills</li><li>Ability to work independently and integrate well within a team</li></ul><h2>The following will be considered an advantage:</h2><ul><li></li></ul><ul><li>Experience in Symfony framework</li><li>Experience in the development of REST APIs</li><li>Experience in software development practices like design patterns, SOLID principles, DRY</li><li>Very good understanding of security practices (OWASP)</li><li>Experience with cloud providers (e.g. AWS)</li><li>Experience in database query optimization</li><li>Experience in creating composer packages</li><li>Experience in front-end frameworks or libraries like Angular or React</li></ul><h2>Benefit from:</h2><ul><li></li></ul><ul><li>Attractive remuneration package</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li><li> </li></ul>

Senior PHP Web Developers

Our Client is seeking an Application Support Engineer with experience in operational support of production environments and strong technical understanding of software applications. The ideal candidate will be responsible for monitoring, troubleshooting, and resolving issues related to the performance and operation of critical applications within a 24/7 support framework.Key Responsibilities<ul><li>Monitoring the operation of production applications using monitoring tools. </li><li>Reading and analyzing application logs. </li><li>Administering Kubernetes clusters. </li><li>Collaborating with development teams for debugging and reproducing issues. </li><li>Performing health checks, restarting services, scaling pods. </li><li>Participating in a 24/7 rotating shift schedule. </li><li>Documenting actions and communicating incidents.</li></ul>Required Skills &amp; Experience<ul><li>1–3 years of experience in Application Support / DevOps Support. </li><li>Experience in reading logs. </li><li>Experience with monitoring tools. </li><li>Hands-on experience in Kubernetes administration. </li><li>Understanding of CI/CD, containers, and microservices. </li><li>Strong troubleshooting skills. </li><li>Good knowledge of Linux. </li><li>Good command of the English language.</li></ul>Nice-to-Have Qualifications<ul><li>Experience with ticketing systems. </li><li>Basic SQL knowledge or API troubleshooting experience. </li><li>Team spirit and responsibility.</li></ul>Working Schedule<ul><li>24/7 rotating shifts with shift compensation and the option for remote support.</li></ul>They Offer<ul><li>Participation in high-tech projects. </li><li>Access to modern monitoring &amp; observability tools. </li><li>Continuous training. </li><li>Competitive compensation and benefits package.</li></ul>

Application Support Engineer NEW

Our Client is seeking an experienced Senior AI Engineer&nbsp;with deep expertise in&nbsp;LangChain&nbsp;and modern&nbsp;LLM frameworks. You will lead the development of advanced LLM-driven applications, design complex&nbsp;RAG architectures, and guide the team in best practices for LLM engineering. Key Responsibilities LangChain &amp; LLM Development<ul><li>Design and develop advanced applications using&nbsp;LangChain, LangGraph, and LangSmith</li><li>Build complex&nbsp;chains, agents, and multi-agent systems</li><li>Implement&nbsp;custom tools, retrievers, and memory systems</li><li>Develop context-aware&nbsp;conversational AI and chatbot applications</li><li>Create workflow orchestration using&nbsp;LangGraph&nbsp;for complex reasoning tasks</li><li>Integrate multiple LLM providers (OpenAI, Anthropic, Cohere, Azure OpenAI)</li><li>Optimize&nbsp;prompt templates&nbsp;and&nbsp;output parsers</li></ul>RAG &amp; Vector Database Architecture<ul><li>Design and implement advanced&nbsp;Retrieval-Augmented Generation (RAG)&nbsp;systems</li><li>Develop custom&nbsp;embedding strategies&nbsp;and&nbsp;chunking techniques</li><li>Work with vector databases such as&nbsp;Pinecone, Weaviate, Chroma, Qdrant, Milvus</li><li>Implement&nbsp;hybrid search&nbsp;(semantic + keyword) and&nbsp;reranking&nbsp;methods</li><li>Build document loaders and text splitters for diverse data sources</li><li>Optimize retrieval quality with&nbsp;metadata filtering&nbsp;and&nbsp;query expansion</li><li>Develop&nbsp;multi-modal RAG systems&nbsp;(text, images, documents)</li></ul>Advanced LLM Techniques<ul><li>Apply advanced prompt engineering:&nbsp;few-shot,&nbsp;chain-of-thought,&nbsp;ReAct</li><li>Build&nbsp;function calling&nbsp;and tool-use patterns</li><li>Develop structured output with&nbsp;Pydantic models</li><li>Implement&nbsp;streaming responses&nbsp;and async pipelines</li><li>Build efficient&nbsp;caching strategies&nbsp;for cost optimization</li><li>Implement&nbsp;fallback mechanisms&nbsp;and robust error handling</li><li>Integrate&nbsp;guardrails&nbsp;and content moderation systems</li></ul>Production &amp; Monitoring<ul><li>Deploy LangChain applications to production using&nbsp;LangServe</li><li>Integrate&nbsp;LangSmith&nbsp;for tracing, debugging, and evaluation</li><li>Implement monitoring and observability for LLM applications</li><li>Build evaluation frameworks for quality assurance</li><li>Optimize latency, cost, and token usage</li><li>Run&nbsp;A/B testing&nbsp;for prompt variations</li><li>Create dashboards to monitor key LLM metrics</li></ul>Required Qualifications Education<ul><li>Bachelor’s degree in Computer Science, Machine Learning, or related field (required)</li><li>Master’s degree in AI/ML or Computer Science (preferred)</li></ul>Experience<ul><li>5+ years of software development experience</li><li>3+ years working with AI/ML and LLM applications</li><li>2+ years hands-on experience with&nbsp;LangChain&nbsp;(mandatory)</li><li>Proven experience building&nbsp;production-grade LLM applications</li><li>Strong background with&nbsp;RAG architectures&nbsp;and vector databases</li></ul>Technical Skills – LangChain Ecosystem &nbsp;LangChain Core (Required)<ul><li>Expert-level knowledge of&nbsp;LangChain (v0.1+)</li><li>Deep understanding of Chains, Agents, Tools, Memory, Callbacks</li><li>Experience with&nbsp;LangChain Expression Language (LCEL)</li><li>Knowledge of&nbsp;LangGraph&nbsp;for complex workflows</li><li>Familiarity with&nbsp;LangSmith&nbsp;for monitoring/debugging</li><li>Experience deploying with&nbsp;LangServe</li><li>Understanding of&nbsp;LangChain Templates</li></ul>LLM Providers &amp; APIs<ul><li>Strong experience with&nbsp;OpenAI API&nbsp;(GPT-4, GPT-3.5, embeddings)</li><li>Knowledge of&nbsp;Anthropic Claude API</li><li>Familiarity with&nbsp;Azure OpenAI Service</li><li>Experience with open-source models (Llama, Mistral, Mixtral)</li><li>Knowledge of&nbsp;Hugging Face Inference API</li><li>Understanding model capabilities, limitations, and pricing models</li></ul>Vector Databases &amp; Embeddings<ul><li>Hands-on experience with&nbsp;Pinecone, Weaviate, or Chroma</li><li>Knowledge of embedding models (OpenAI, Cohere, sentence-transformers)</li><li>Understanding similarity search algorithms</li><li>Experience with metadata filtering and hybrid search</li><li>Knowledge of vector indexing strategies (HNSW, IVF)</li></ul>Programming &amp; Software Engineering<ul><li>Expert-level Python (asyncio, type hints, Pydantic)</li><li>Experience with&nbsp;FastAPI</li><li>Strong understanding of async/await patterns</li><li>Strong software engineering fundamentals</li><li>Experience with Git, CI/CD, testing frameworks</li></ul>&nbsp;Cloud &amp; Infrastructure<ul><li>Experience with AWS (Lambda, ECS, S3, DynamoDB) or Azure</li><li>Docker containerization</li><li>Kubernetes (preferred)</li><li>Serverless architectures</li><li>API Gateway and load balancing</li></ul>Core Capabilities<ul><li>Deep understanding of LLM capabilities and limitations</li><li>Expertise in prompt engineering and optimization</li><li>Ability to design scalable LLM architectures</li><li>Strong understanding of cost optimization for LLM workloads</li><li>Knowledge of AI safety and responsible AI practices</li><li>Excellent problem-solving and communication skills</li></ul>Preferred Qualifications<ul><li>Contributions to LangChain or other open-source LLM projects</li><li>Experience with LlamaIndex, Haystack, or similar frameworks</li><li>Knowledge of fine-tuning (LoRA, QLoRA)</li><li>Experience with multi-agent systems and AutoGPT patterns</li><li>Knowledge of semantic caching and query optimization</li><li>Experience with document intelligence and OCR</li><li>Understanding transformer architectures</li><li>Experience with evaluation frameworks (RAGAS, TruLens)</li><li>Experience with streaming and real-time LLM processing</li><li>Blog posts, tutorials, or presentations on LangChain</li><li>Cloud certifications</li></ul>What They Offer<ul><li>Highly competitive salary and equity package</li><li>Full health, dental, and vision insurance</li><li>Generous budget for professional development and certifications</li><li>Flexible working arrangements (remote/hybrid options)</li><li>Access to cutting-edge AI infrastructure and LLM APIs</li><li>Collaborative environment with world-class AI professionals</li><li>Participation in conferences and AI community events</li><li>Opportunities for technical leadership and mentorship</li><li>Influence over the company’s AI strategy</li></ul>&nbsp;Success Metrics Success in this role will be measured by:<ul><li>Quality and performance of LangChain applications</li><li>Reduction in latency and improved cost efficiency</li><li>Accuracy and relevance of RAG systems</li><li>Adoption of best practices across the team</li><li>Speed of delivery for new AI features</li><li>User satisfaction with AI-powered features</li><li>Technical leadership and mentorship impact</li><li>Contribution to documentation and knowledge base</li></ul>Technologies You Will Work With LLM Frameworks<ul><li>LangChain, LangGraph, LangSmith, LangServe</li><li>OpenAI API, Anthropic Claude API</li><li>Hugging Face Transformers</li></ul>Vector Databases<ul><li>Pinecone, Weaviate, Chroma, Qdrant</li><li>PostgreSQL with pgvector</li></ul>Development Stack<ul><li>Python 3.11+, FastAPI, Pydantic</li><li>Docker, Kubernetes</li><li>AWS/Azure cloud services</li><li>Git, GitHub Actions</li></ul>Monitoring &amp; Observability<ul><li>LangSmith</li><li>Prometheus, Grafana</li><li>DataDog, New Relic</li></ul>

AI Engineer – LangChain & LLM Frameworks Specialist

Our Client is seeking a detail-oriented LLM Quality Analyst to join their AI team. You will be responsible for designing, implementing, and managing comprehensive testing and evaluation frameworks for their generative AI products. This role is critical to ensuring their AI systems meet the highest standards of quality, accuracy, safety, and ethical compliance before reaching production.Key ResponsibilitiesTesting Framework Development<ul><li>Design and implement comprehensive testing frameworks for LLM and generative AI applications</li><li>Create curated benchmark suites using industry-standard datasets (TruthfulQA, ARC, TriviaQA, MMLU)</li><li>Develop custom evaluation datasets tailored to specific use cases and domains</li><li>Build synthetic data generation pipelines for edge case testing</li><li>Define clear evaluation criteria, rubrics, and quality metrics</li><li>Establish testing protocols for different AI model types and applications</li></ul>Quality Evaluation &amp; Testing<ul><li>Execute automated and manual evaluations of AI model outputs</li><li>Measure and track key quality metrics: relevance, factual consistency, coherence, hallucination rate</li><li>Assess model performance across dimensions: accuracy, latency, fairness, toxicity, bias</li><li>Perform functional correctness testing for code generation and structured outputs</li><li>Conduct A/B testing and shadow testing for model comparisons</li><li>Validate prompt engineering strategies and RAG pipeline effectiveness</li></ul>Feedback Management &amp; Issue Tracking<ul><li>Manage intake of user-reported issues and feedback</li><li>Translate user feedback into reproducible test cases</li><li>Replicate and document bugs, edge cases, and failure modes</li><li>Log and track defects in issue-tracking systems (Jira, Linear, GitHub Issues)</li><li>Prioritize issues based on severity, frequency, and business impact</li><li>Collaborate with engineering teams on root cause analysis and resolution</li></ul>Human Annotation &amp; LLM-Based Evaluation<ul><li>Coordinate human annotation efforts with clear guidelines and rubrics</li><li>Implement overlapping review processes to ensure annotation consistency</li><li>Integrate LLM-based evaluators (GPT-4, Claude) for automated quality assessment</li><li>Design evaluation prompts that provide structured scores and reasoning</li><li>Validate LLM evaluator outputs against human judgments</li><li>Continuously refine evaluation methodologies based on findings</li></ul>Monitoring &amp; Reporting<ul><li>Monitor live-traffic metrics through observability dashboards</li><li>Track model performance trends and identify quality regressions</li><li>Generate comprehensive quality reports for product and engineering teams</li><li>Present findings and recommendations to stakeholders</li><li>Maintain documentation of testing procedures and evaluation results</li><li>Drive continuous improvement of AI system quality</li></ul>Required QualificationsEducation<ul><li>Bachelor’s degree in Computer Science, Data Science, Linguistics, Cognitive Science, or related field</li><li>Master’s degree in AI/ML, NLP, or related field (preferred)</li></ul>Experience<ul><li>3+ years of experience in quality assurance, testing, or evaluation roles</li><li>2+ years working with AI/ML systems, preferably LLMs or NLP applications</li><li>Experience designing and executing test plans for software or AI products</li><li>Proven track record of identifying and documenting complex technical issues</li></ul>Technical Skills<ul><li>Programming: Proficiency in Python for test automation and data analysis</li><li>LLM Knowledge: Understanding of how LLMs work, their capabilities and limitations</li><li>Evaluation Frameworks: Familiarity with LLM evaluation tools (Langfuse, DeepEval, RAGAS, Phoenix)</li><li>Data Analysis: Experience with pandas, numpy, and data visualization tools</li><li>Testing Tools: Knowledge of pytest, unittest, or similar testing frameworks</li><li>Issue Tracking: Proficiency with Jira, Linear, GitHub Issues, or similar platforms</li><li>APIs: Ability to work with REST APIs and LLM provider APIs (OpenAI, Anthropic)</li><li>SQL: Basic SQL skills for querying databases and analyzing results</li></ul>Quality Assurance Expertise<ul><li>Strong understanding of QA methodologies and best practices</li><li>Experience with test case design and test coverage analysis</li><li>Knowledge of different testing types: functional, regression, integration, performance</li><li>Familiarity with CI/CD pipelines and automated testing integration</li><li>Understanding of metrics and KPIs for quality measurement</li></ul>AI/ML Evaluation Knowledge<ul><li>Understanding of common LLM evaluation metrics (BLEU, ROUGE, BERTScore, perplexity)</li><li>Knowledge of bias detection and fairness evaluation techniques</li><li>Familiarity with hallucination detection and factual consistency checking</li><li>Understanding of prompt engineering and its impact on model outputs</li><li>Awareness of AI safety, ethics, and responsible AI principles</li></ul>Core Competencies<ul><li>Exceptional attention to detail and analytical thinking</li><li>Strong problem-solving and critical reasoning abilities</li><li>Excellent written and verbal communication skills</li><li>Ability to work independently and manage multiple priorities</li><li>Collaborative mindset for cross-functional teamwork</li><li>Curiosity and willingness to learn new AI technologies</li></ul>Preferred Qualifications<ul><li>Experience with specific LLM evaluation platforms (Langfuse, Weights &amp; Biases, Arize)</li><li>Knowledge of human-in-the-loop evaluation workflows</li><li>Familiarity with RAG systems and vector database evaluation</li><li>Experience with adversarial testing and red-teaming for AI systems</li><li>Understanding of model fine-tuning and its quality implications</li><li>Background in linguistics, cognitive science, or human-computer interaction</li><li>Experience with statistical analysis and hypothesis testing</li><li>Knowledge of regulatory requirements (GDPR, AI Act) for AI systems</li><li>Contributions to AI evaluation research or open-source projects</li><li>Experience with multimodal AI evaluation (text, image, audio)</li></ul>What They Offer<ul><li>Competitive salary and benefits package</li><li>Comprehensive health, dental, and vision insurance</li><li>Professional development opportunities in AI/ML</li><li>Flexible work arrangements (remote/hybrid options)</li><li>Access to cutting-edge AI technologies and tools</li><li>Collaborative team environment with AI experts</li><li>Opportunity to shape quality standards for innovative AI products</li><li>Conference attendance and learning budget</li></ul>&nbsp;

AI Engineer (LLM Quality Analyst)

They are seeking an experienced PostgreSQL DBA with strong automation skills using Ansible. The ideal candidate will be responsible for managing, maintaining, and optimizing their PostgreSQL databases, and ensuring efficient and reliable automation for provisioning and maintenance tasks.Key Responsibilities<ul><li>Administer, maintain, and tune PostgreSQL databases in production and non-production environments.</li><li>Set up and maintain replication, backups, and high-availability configurations (e.g., Repmgr, Patroni, pgBackRest, pgbouncer/pgpool ). extra: TimescaleDB, PG vector flavors.</li><li>Develop and maintain Ansible playbooks for PostgreSQL deployments, updates, and configurations.</li><li>Troubleshoot and resolve database-related performance, capacity, and replication issues.</li><li>Collaborate with DevOps and development teams to ensure database reliability and efficiency.</li><li>Perform database upgrades and patching with minimal downtime.</li><li>Implement security best practices and monitor for vulnerabilities.</li><li>Document database environments, processes, and procedures.</li></ul>Required Skills<ul><li>4+ years of hands-on experience as a PostgreSQL DBA in a production environment.</li><li>Solid experience with PostgreSQL versions 14 and above.</li><li>Proficiency in writing and maintaining Ansible playbooks and roles.</li><li>Experience with PostgreSQL performance tuning and optimization.</li><li>Deep understanding of PostgreSQL internals, WAL, autovacuum, and indexes.</li><li>Experience with backup/recovery tools (e.g., pgBackRest, Barman, Commvault).</li><li>Familiarity with monitoring tools (e.g., Prometheus, Dynatrace, pg_stat_statements).</li><li>Linux system administration experience (preferably Debian/Ubuntu or RHEL/CentOS).</li><li>Scripting experience (Bash, Python) is a must.</li><li>Decent in System administration (OS-DB tuning, VIP strategies, systemd logic)</li></ul>Preferred Qualifications:<ul><li>Experience with Kubernetes and PostgreSQL Operators.</li><li>Familiarity with CI/CD pipelines and infrastructure-as-code tools like Terraform.</li><li>PostgreSQL certification or relevant coursework.</li><li>Automation mindset. Eye for details, drive to bring structure and improve standards</li></ul>What They Offer<ul><li>22 annual vacation days, 3 sick days that are not carried to the next year (no medical certificate required)</li><li>A seniority day is added every 3 years in the company</li><li>Private medical insurance</li><li>Monthly meal tickets</li><li>A work culture based on cooperation and development – customized learning paths through external providers as well as special development programs.</li><li>Wellbeing initiatives to encourage a healthy work life balance through webinars, specialized sessions and internal programs, per their colleagues’ input.</li><li>In close cooperation is a value they live by, through moments that matter, like recurring hangout parties, team buildings, team bonding events.</li></ul>

PostgreSQL DBA Engineer

As a Quality Engineer Senior Consultant, you will be a member of a QE team, responsible for executing testing activities across projects to ensure the delivery of high-quality software. You will apply your experience in manual and/or automated testing, contribute to test design, execution, and reporting, and support the team in implementing QA best practices. You will also have the opportunity to gain exposure to new automation tools and methodologies, helping drive efficiency and quality improvements in client engagements.Responsibilities: <ul><li>Execute functional and non-functional testing activities, including test design, execution, and defect management.</li><li>Support and coach junior team members by reviewing their work and sharing feedback.</li><li>Collaborate with other team members and clients to understand requirements and contribute to QA approaches.</li><li>Develop and maintain automated test scripts using available tools and frameworks.</li><li>Support the team in documenting test results, preparing reports, and sharing insights to improve testing quality.</li><li>Identify opportunities to improve QA processes and share knowledge within the team.</li><li>Promote efficient use of QA tools, frameworks, accelerators, and GenAI technologies to support test design, test data generation, defect detection, and overall testing efficiency.</li></ul>Requirements&nbsp;To qualify for the role, you must have:&nbsp;<ul><li>Bachelor’s or Master’s degree in Business Administration, Computer Science, Engineering, or a related field.</li><li>3–4 years of hands-on experience in manual and/or automated testing (ideally both).</li><li>Experience with test management and defect tracking tools.</li><li>Exposure to or interest in learning modern automation tools such as Tricentis Tosca, Katalon, or similar.</li><li>Solid understanding of QA processes, methodologies, and best practices.</li></ul><ul><li>ISTQB Foundation Level certification is considered a plus.</li><li>Ability to work collaboratively in a team environment and communicate effectively.</li><li>Excellent problem-solving skills, attention to detail, and the ability to think critically.  </li><li>Experience in Energy sector will be considered a plus.</li><li>Military obligations fulfilled where applicable.</li></ul>Benefits: <ul><li>Competitive remuneration package</li><li>Private health insurance</li><li>Ticket Restaurant card</li><li>Hybrid working model</li><li>Clear opportunities for professional growth and continuous learning</li><li>Access to modern tools, technologies, and best-practice methodologies</li></ul>

QA Engineer Senior Consultant

As a Quality Engineering Assistant Manager, you will take a hands-on approach to support a team of QE professionals, ensuring high-quality delivery across testing engagements. You will apply your strong knowledge of QA processes, test design, and execution while mentoring team members and promoting consistent best practices. You will also collaborate with clients to provide functional QA guidance and practical recommendations, while supporting managerial roles from a functional perspective to ensure smooth execution of testing initiatives. Responsibilities: <ul><li>Mentor and support the QE team in day-to-day testing activities, providing hands-on guidance in planning, test design, execution, and defect management.</li><li>Collaborate with clients to understand requirements and propose practical QA approaches to ensure quality outcomes.</li><li>Support other managerial roles by providing functional input, guidance, and assistance in implementing QA strategies, processes, and best practices across projects.</li><li>Develop and implement QA processes, methodologies, and standards to improve efficiency, consistency, and quality.</li><li>&nbsp;Monitor and ensure effective test planning, execution, defect management, and reporting.</li><li>Identify areas for improvement, drive adoption of best practices, and support the continuous development of team capabilities.</li><li>Promote efficient use of QA tools, frameworks, accelerators, and GenAI technologies to support testing activities, improve efficiency, accelerate defect detection, and enhance overall quality delivery.</li></ul>Requirements&nbsp;To qualify for the role, you must have:&nbsp;<ul><li>Bachelor’s or Master’s degree in Business Administration, Computer Science, Engineering, or a related field.</li><li>5+ years of experience in Quality Engineering, with hands-on experience in testing (manual and/or automation), or in business analysis.</li><li>Solid knowledge of QA processes, testing methodologies, and tools.</li><li>Client-facing experience, with the ability to communicate functional QA recommendations effectively.</li><li>ISTQB Foundation Level certification is considered a plus.</li><li>Experience in Energy sector will be considered a plus.&nbsp;</li><li>Excellent problem-solving skills, attention to detail, and the ability to think critically.</li><li>Strong communication and interpersonal skills, with the ability to work effectively in a collaborative team environment.</li><li>Military obligations fulfilled where applicable.</li></ul>Benefits: <ul><li>Competitive remuneration package</li><li>Private health insurance</li><li>Ticket Restaurant card</li><li>Hybrid working model</li><li>Clear opportunities for professional growth and continuous learning</li><li>Access to modern tools, technologies, and best-practice methodologies</li></ul>

Θέσεις Εργασίας Αττική - Σελίδα 5

junior data scientist

XM

tech talent acquisition executive

XM

data engineer

XM

senior php web developers

XM

application support engineer new

Code.Hub

ai engineer – langchain & llm frameworks specialist

Code.Hub

ai engineer (llm quality analyst)

Code.Hub

postgresql dba engineer

Code.Hub

qa engineer senior consultant

Code.Hub

qa engineering assistant manager

Code.Hub

Jobily.gr

Για Εργοδότες

Για Υποψηφίους

Εταιρεία