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Our client is a leading crowdfunding platform dedicated to empowering individuals and organizations to bring their ideas to life and specialized mainly in real estate. They are seeking a proactive and experienced System Engineer to join their dynamic team. This role is pivotal in ensuring the seamless operation, security, and performance of their platform, providing support for users, and maintaining the infrastructure that powers their growing community.Job Responsibilities:<ul><li>Provide day-to-day IT support for internal teams, troubleshooting technical issues related to the crowdfunding platform.</li><li>Monitor, maintain, and optimize the performance and uptime of the platform’s infrastructure, including web servers, databases, and cloud services.</li><li>Implement system updates, patches, and upgrades to ensure optimal functionality and security.</li><li>Collaborate with development teams to resolve bugs, troubleshoot technical problems, and deploy new features.</li><li>Implement and enforce security measures to safeguard user data, financial transactions, and sensitive platform information.</li><li>Perform regular system backups and disaster recovery procedures.</li><li>Troubleshoot and resolve performance issues, ensuring minimal downtime and disruption to platform users.</li><li>Prepare documentation for systems, processes, and procedures related to platform maintenance and troubleshooting.</li><li>Stay up to date with industry trends, best practices, and emerging technologies relevant to crowdfunding platforms and IT infrastructure.</li></ul>Required Skills &amp; Qualifications:<ul><li>Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent work experience).</li><li>Proven experience in IT support, systems administration, or platform maintenance, preferably within a web-based environment.</li><li>Strong knowledge of cloud infrastructure (AWS, Azure, Google Cloud, etc.), server management, and web technologies.</li><li>Experience with databases (MySQL, PostgreSQL, etc.) and website performance monitoring tools.</li><li>Solid understanding of security protocols, including data encryption, firewall configuration, and vulnerability management.</li><li>Proficiency in troubleshooting and resolving software and hardware issues.</li><li>Ability to work in a fast-paced environment, manage multiple tasks, and prioritize effectively.</li><li>Excellent communication skills, both written and verbal, with the ability to explain technical issues to non-technical team members.</li></ul>Preferred Qualifications:<ul><li>Experience with crowdfunding platforms or similar online transaction-based systems.</li><li>Familiarity with agile methodologies and project management tools.</li><li>Certifications in IT-related fields (e.g., CompTIA A+, Microsoft Certified, AWS Certified Solutions Architect, etc.).</li></ul>Why Join Them?<ul><li>Competitive salary and benefits package.</li><li>Opportunities for career growth and development in a rapidly expanding tech environment and an innovative company.</li><li>Flexible work schedule with remote options available.</li><li>Work with a passionate and supportive team dedicated to making a positive impact through crowdfunding.</li></ul>If you’re a detail-oriented IT professional with a passion for maintaining cutting-edge technology, we would love to hear from you! Apply today to join their team and help shape the future of crowdfunding.

System Engineer

Our Client is seeking an experienced AI Engineer to join their growing AI team. You will be responsible for designing, building, and maintaining end-to-end artificial intelligence solutions that move from prototype to production, working with cutting-edge LLM technologies and modern AI frameworks.Key ResponsibilitiesAI Development &amp; Implementation<ul><li>Design and develop production-ready AI/ML systems and applications</li><li>Implement and fine-tune Large Language Models (LLMs) using frameworks like LangChain, OpenAI APIs, and Hugging Face</li><li>Build and optimize prompt/context engineering solutions and Retrieval-Augmented Generation (RAG) pipelines</li><li>Develop vector store embeddings and semantic search capabilities</li><li>Create multi-model orchestration workflows for complex AI applications</li></ul>Data &amp; Model Management<ul><li>Gather, preprocess, and manage large-scale datasets for model training</li><li>Develop and maintain machine learning models using TensorFlow, PyTorch, or similar frameworks</li><li>Implement model evaluation, monitoring, and observability mechanisms</li><li>Perform model versioning and lifecycle management using MLflow or similar tools</li></ul>Deployment &amp; Operations<ul><li>Deploy AI models to production using cloud platforms (AWS, Azure, or GCP)</li><li>Containerize applications using Docker and manage infrastructure with Kubernetes</li><li>Build and maintain RESTful APIs for model integration</li><li>Implement CI/CD pipelines for automated model deployment</li><li>Monitor model performance, drift, and system health in production</li></ul>Collaboration &amp; Innovation<ul><li>Work cross-functionally with product managers, data scientists, and DevOps teams</li><li>Translate business requirements into technical AI solutions</li><li>Stay current with emerging AI technologies and best practices</li><li>Document architecture, processes, and technical decisions</li></ul>Required QualificationsEducation<ul><li>Bachelor’s degree in Computer Science, Engineering, Machine Learning, or related quantitative field</li><li>Master’s degree preferred</li></ul>Experience<ul><li>3+ years of hands-on experience putting Machine Learning models into production</li><li>Proven track record of developing and deploying AI/ML systems at scale</li><li>Experience with end-to-end ML lifecycle from data preparation to production deployment</li></ul>Technical Skills<ul><li>Programming: Expert-level proficiency in Python (required); Java or C++ is a plus</li><li>ML Frameworks: Deep expertise in TensorFlow and/or PyTorch</li><li>LLM Tools: Hands-on experience with LangChain, OpenAI APIs, or similar LLM frameworks</li><li>MLOps: Experience with MLflow, model versioning, and lifecycle management</li><li>Cloud Platforms: Proficiency with AWS SageMaker, Azure ML, or Google AI Platform</li><li>Containerization: Strong experience with Docker for creating reproducible environments</li><li>Orchestration: Knowledge of Kubernetes for scalable deployments</li><li>APIs: Experience developing and integrating RESTful APIs</li><li>Databases: Familiarity with both SQL and NoSQL databases</li></ul>Core Competencies<ul><li>Strong mathematical foundations (linear algebra, statistics, probability)</li><li>Deep understanding of machine learning algorithms and neural networks</li><li>Knowledge of distributed computing and scalable system design</li><li>Understanding of AI ethics, bias mitigation, and responsible AI practices</li><li>Excellent problem-solving and analytical skills</li><li>Strong communication skills for technical and non-technical audiences</li></ul>Preferred Qualifications<ul><li>Experience with Generative AI and prompt engineering techniques</li><li>Knowledge of vector databases (Pinecone, Weaviate, Chroma)</li><li>Familiarity with NLP, computer vision, or reinforcement learning</li><li>Experience with A/B testing and experimentation frameworks</li><li>Contributions to open-source AI/ML projects</li><li>Publications or research in AI/ML domains</li><li>Experience with real-time inference and low-latency systems</li></ul>What They Offer<ul><li>Competitive salary and equity package</li><li>Comprehensive health benefits</li><li>Professional development and learning opportunities</li><li>Flexible work arrangements (remote/hybrid options)</li><li>Cutting-edge AI technology stack</li><li>Collaborative and innovative team environment</li><li>Opportunity to work on impactful AI projects</li></ul>&nbsp;

AI Engineer

Currently, we are looking for a Full Stack Software Engineer to join their team in the banking sector. More specifically you will be involved in all development activities that range from coding to deployment, back-end to front-end, within a dedicated team of developers of modern enterprise applications.Key Responsibilities:<ul><li>Participate in the full software development lifecycle, from design to deployment, across back-end and front-end components.</li><li>Develop, maintain, and optimize applications built on .NET deployed on Azure Cloud.</li><li>Contribute to the transformation of legacy systems&nbsp; into modern microservices architectures.</li><li>Implement and maintain secure, scalable, and high-performance solutions with Kubernetes, Kafka, Redis, and Microsoft Firewall integrations.</li><li>Deliver high-quality front-end solutions with Angular, Typescript, and modern UI best practices.</li><li>Redesign front-end components and integrate with multiple platforms.</li><li>Work on database optimization and schema design, primarily MS SQL, but also Oracle SQL, Cosmos DB, and Redis.</li><li>Ensure performance, scalability, and indexing best practices are applied in database implementations.</li><li>Collaborate closely with cross-functional teams in an Agile environment.</li></ul>Qualifications:<ul><li>Proven expertise with C#, .NET Core, REST APIs.</li><li>Hands-on experience with Angular</li><li>Solid understanding of cloud technologies and containerization.</li><li>Experience with Kafka and Redis</li><li>Strong background in databases (MS SQL as primary, Oracle SQL, Cosmos DB).</li><li>Understanding of database indexing, schema design, and performance optimization.</li><li>Familiarity with microservices architecture and migration projects.</li><li>Strong problem-solving mindset, ability to handle both legacy systems and latest technologies.</li><li>Excellent communication and teamwork skills.</li></ul>Let’s talk about us:<ul><li>Hybrid working model</li><li>A competitive salary</li><li>Signing Bonus</li><li>Brand new equipment</li><li>Exciting &amp; friendly work environment</li><li>Career &amp; competencies’ development</li><li>Continuous learning &amp; development experience based on infinity model through Code.Hub’s Code.Learn</li><li>L&amp;D plan for your career improvement</li><li>A truly open, inclusive, and competitive-free environment to grow your skills and have fun!</li><li>Internal competitions &amp; rewards.</li></ul>Let’s talk about Code.Hub-ers:<ul><li>You are eligible to free LinkedIn trainings</li><li>You are eligible to have free pass to all training Code.Learn activities after 6 months from your induction</li><li>Training &amp; Tech Mentor for your induction.</li><li>Unlimited access to LinkedIn Learning platform (1st semester).</li><li>Sponsoring of a Bachelor and/or Master’s Degree from Athens Tech College.</li><li>Private Health Insurance.</li><li>Performance planning each six months and each two years planning of promotion.</li><li>Free Lunch/Snack every day &amp; Cocktail Fridays @ our offices.</li><li>Referral Bonus.</li></ul>

Full Stack Developer (.NET/Angular)

Our Client &nbsp;is a leading software development company specializing in the implementation of large-scale Information and Communication Technology projects for the public sector. As part of their growth, they are seeking an IT Support Specialist to strengthen their IT team. The ideal candidate will be responsible for user technical support, managing the company’s Microsoft 365 &amp; Intune environment, and contributing to ISO 27001 compliance. In addition, they will manage IT assets (hardware, software, licenses) and handle IT equipment and services procurement.Duties &amp; Responsibilities<ul><li>Provide technical user support (1st &amp; 2nd level support)</li><li>Manage accounts, groups, and devices in Microsoft 365 &amp; Intune</li><li>Troubleshoot Windows and Linux operating system issues</li><li>Install, maintain, and update systems and applications</li><li>Manage IT assets: inventory, monitoring, and disposal of equipment and licenses</li><li>Handle and coordinate IT procurement (equipment, services, software)</li><li>Participate in improving security processes and ISO 27001 compliance</li><li>Document incidents and support actions</li></ul>Required Qualifications<ul><li>Degree in Computer Science or a related field</li><li>Minimum 2 years of experience in IT Support or System Administration</li><li>Excellent knowledge of Microsoft 365 (Exchange, Teams, SharePoint, OneDrive, Defender)</li><li>Experience with Intune (Device Management, Policies, Compliance)</li><li>Experience or familiarity with Microsoft Azure (AD, Entra ID, basic resource management)</li><li>Familiarity with Windows and basic Linux commands</li><li>Understanding of ISO 27001 principles and security best practices</li><li>Good command of English (spoken and written)</li></ul>Desired Qualifications<ul><li>Microsoft certifications (MS-900, MD-102, AZ-900)</li><li>Experience with ticketing systems (e.g., Jira, Zendesk)</li><li>Experience with IT Asset Management tools or procurement systems</li><li>Good scripting knowledge (PowerShell or Bash)</li></ul>

IT Support Specialist

This role is ideal for a backend engineer passionate about Java, cloud integration, and data workflows, with motivation to grow further in Azure Data Factory and cloud-native architectures.Key Responsibilities<ul><li>Design, develop, and maintain backend integrations using Java &amp; Spring</li><li>Build and optimize data pipelines using Azure Data Factory</li><li>Integrate APIs, external systems, and data sources into ADF workflows</li><li>Collaborate with cloud architects and data engineers on ETL/ELT solutions</li><li>Ensure integration solutions are secure, scalable, and well-documented</li><li>Participate in CI/CD pipelines, Agile ceremonies &amp; code reviews</li></ul>Required Skills &amp; Qualifications<ul><li>3+ years of experience in Java / Spring Cloud backend development</li><li>Strong knowledge of REST APIs, JSON &amp; integration patterns</li><li>Familiarity with Azure Data Factory (or strong willingness to learn)</li><li>Proficient in SQL and relational database concepts</li><li>Experience working with Git and CI/CD platforms</li><li>(Azure DevOps, GitHub Actions, Jenkins, etc.)</li><li>Solid understanding of cloud security principles</li></ul>&nbsp;Nice-to-Have Skills (not mandatory — a plus)<ul><li>Experience with Azure services: Azure Storage, Azure SQL, Key Vault, Azure Functions</li><li>Exposure to data engineering tools (Databricks, Synapse, Power BI)</li><li>Experience with messaging systems (Kafka, RabbitMQ, Service Bus)</li><li>Azure certifications (DP-203, AZ-900, AZ-104)</li><li>Agile/Scrum project experience (Jira, Confluence)</li></ul>What You’ll Find Here<ul><li>A supportive engineering culture with knowledge sharing &amp; ownership</li><li>A modern tech environment (Azure, DevOps, CI/CD, Cloud-native)</li><li>A chance to evolve in both Java and Azure integration services</li><li>Opportunities for growth into senior, architecture, or leadership roles</li></ul>What They Offer<ul><li>22 vacation days per year</li><li>Up to 6 training days per year</li><li>Private medical insurance</li><li>Learning &amp; development budget for certifications and trainings</li><li>A collaborative, international working environment</li><li>Room to grow professionally — both technically and career-wise</li><li>Many additional benefits on the way</li></ul>

Java Software Engineer

Currently, we are looking for a Junior Full Stack Software Engineer to join their team in the banking sector. More specifically you will be involved in all development activities that range from coding to deployment, back-end to front-end, within a dedicated team of developers of modern enterprise applications.Qualifications<ul><li>Bachelor’s Degree in Computer Science, Software engineering or related discipline</li><li>1-3 years of web application software development with Microsoft .NET stack;</li><li>Knowledge of C#, .NET Core</li><li>Knowledge of Relational Databases;</li><li>Knowledge of Angular 8+, JavaScript &amp; TypeScript;</li><li>Knowledge of HTML 5 and CSS 3;</li><li>Experience developing within cloud technologies;</li><li>Understanding of SQL Server development, database structures and web server architecture;</li><li>Familiarity with version control systems like Git;</li><li>Experience with Continuous Integration &amp; Deployment;</li><li>Fluency in English (writing/reading/speaking);</li><li>Good communication skills, team spirit and self-motivation&nbsp;</li></ul>Let’s talk about us:<ul><li>Hybrid working model</li><li>A competitive salary</li><li>Signing Bonus</li><li>Brand new equipment</li><li>Exciting &amp; friendly work environment</li><li>Career &amp; competencies’ development</li><li>Continuous learning &amp; development experience based on infinity model through Code.Hub’s Code.Learn</li><li>L&amp;D plan for your career improvement</li><li>A truly open, inclusive, and competitive-free environment to grow your skills and have fun!</li><li>Internal competitions &amp; rewards</li></ul>Let’s talk about Code.Hub-ers:<ul><li>You are eligible to free LinkedIn trainings</li><li>You are eligible to have free pass to all training Code.Learn activities after 6 months from your induction</li><li>Training &amp; Tech Mentor for your induction</li><li>Unlimited access to LinkedIn Learning platform (1st semester)</li><li>Sponsoring of a Bachelor and/or Master’s Degree from Athens Tech College</li><li>Private Health Insurance</li><li>Performance planning each six months and each two years planning of promotion</li><li>Free Lunch/Snack every day &amp; Cocktail Fridays @ our offices</li><li>Referral Bonus</li></ul>

Junior Full Stack Developer (.NET/Angular)

As a Quality Engineer Consultant, you will join a QE team and contribute to testing activities across projects, gaining hands-on experience in software quality assurance. You will support test execution, documentation, and reporting while building your skills in either manual or automated testing. This role is ideal for candidates starting their career in testing, with curiosity and willingness to learn, and who want exposure to modern QA practices, tools, and emerging technologies, including GenAI tools to improve testing efficiency. Responsibilities:<ul><li>Assist in functional and non-functional testing tasks, including executing test cases, logging defects, and reporting results.</li><li>Learn and apply QA processes and best practices under the guidance of more experienced team members.</li><li>Gain exposure to test automation tools and contribute to automated test scripts when appropriate.</li><li>Explore and experiment with GenAI tools to support testing efficiency, defect detection, and test data generation.</li><li>Participate in team discussions, sharing observations, asking questions, and proposing simple improvements.</li><li>Actively engage in learning opportunities, including trainings, workshops, and knowledge-sharing sessions.</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>1 –2 years of experience in software testing (manual and/or automated) or a strong interest in entering the field. </li><li>Familiarity with manual or automated testing, with willingness to learn both.</li><li>Understanding of QA processes, methodologies, and best practices.</li><li>Basic knowledge of test management or defect tracking tools is desirable.</li><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.&nbsp;</li><li>Military obligations fulfilled where applicable.&nbsp;&nbsp; &nbsp;</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>&nbsp;

Junior QA Engineer Consultant

Our client is a premier software development firm specializing in the delivery of large-scale ICT projects tailored for the public sector. Their company was founded with a mission to transform public services through the strategic implementation of cutting-edge technology. With a profound understanding of the unique needs and challenges faced by government agencies, they are committed to providing solutions that drive efficiency, transparency, and enhanced citizen engagement.Their core services include custom software development, ICT project management, system integration, cybersecurity, cloud solutions, and data analytics. Each service is meticulously designed to meet the specific requirements of public sector organizations.Their company stands out due to their extensive experience and proven track record in the public sector. They have successfully implemented numerous large-scale projects, each driving significant improvements in service delivery and operational efficiency.The role:<ul><li>Developing and delivering high-quality, scalable front-end features using Angular and TypeScript, from concept to deployment</li><li>Producing clean, maintainable, and testable code following best practices and internal standards</li><li>Ensuring high performance and responsiveness of web applications</li><li>Implementing secure coding principles and contributing to code reviews</li><li>Refactoring existing code and optimizing for performance</li><li>Debugging and resolving issues across the full front-end framework</li></ul><h2>Requirements:</h2><ul><li>BSc in Computer Science or a related field</li><li>3-6 years of experience in developing web applications using Angular and TypeScript</li><li>Strong understanding of modern front-end architecture and design patterns</li><li>Experience building scalable, stateless Single Page Applications (SPAs)</li><li>Proficiency in consuming and integrating RESTful APIs</li><li>Experience with version control tools (preferably Git)</li><li>Strong understanding of responsive design and cross-browser compatibility issues</li><li>Ability to work effectively within a collaborative team environment</li></ul>Preferred but not mandatory:<ul><li>Experience with RxJS, NgRx or similar state management libraries</li><li>Familiarity with OWASP web security guidelines</li><li>Experience with Java or .NET environments</li><li>Hands-on experience with agile methodologies and tools like Jira or Azure DevOps</li><li>Knowledge of CI/CD pipelines and automated testing (Jasmine, Karma, Cypress)</li></ul><h2>What they offer:</h2><ul><li>Hybrid working model</li><li>Competitive compensation package</li><li>Continuous professional development and training</li><li>Friendly, dynamic, and collaborative work environment</li><li>Engagement in impactful, large-scale public sector projects</li></ul>

Mid/Senior Angular Developer

Our FinTech project is the second-largest Greek bank by total assets and the largest by market capitalization of €2.13 billion. It has a subsidiary and branch in London, England and subsidiaries in Albania, Cyprus and Romania.Qualifications:<ul><li>Bachelors degree in IT, Computer Science or any relevant field</li><li>3+ years experience to different application development approaches</li><li>Working experience with Spring ecosystem (Spring Boot, Data, Security, Batch, etc)</li><li>Familiarity with JPA/Hibernate</li><li>Experience with REST APIS</li><li>Experience with Apache Camel</li><li>Experience with Maven, Docker, Kubernetes, Openshift, Message brokers (RabbitMQ, Kafka)</li><li>Familiar with Devops tools (Jenkins, Azure DevOps, ArgoCD)</li><li>Eagerness to contribute in a team-oriented environment</li><li>Ability to work creatively and analytically in a problem-solving environment</li></ul>Let’s talk about us:<ul><li>Hybrid working model</li><li>A competitive salary</li><li>Signing Bonus</li><li>Brand new equipment</li><li>Exciting &amp; friendly work environment</li><li>Career &amp; competencies’ development</li><li>Continuous learning &amp; development experience based on infinity model through Code.Hub’s Code.Learn</li><li>L&amp;D plan for your career improvement</li><li>A truly open, inclusive, and competitive-free environment to grow your skills and have fun!</li><li>Internal competitions &amp; rewards.</li></ul>Let’s talk about Code.Hub-ers:<ul><li>You are eligible to free LinkedIn trainings</li><li>You are eligible to have free pass to all training Code.Learn activities after 6 months from your induction</li><li>Training &amp; Tech Mentor for your induction.</li><li>Unlimited access to LinkedIn Learning platform (1st semester).</li><li>Sponsoring of a Bachelor and/or Master’s Degree from Athens Tech College.</li><li>Private Health Insurance.</li><li>Performance planning each six months and each two years planning of promotion.</li><li>Free Lunch/Snack every day &amp; Cocktail Fridays @ our offices.</li><li>Referral Bonus.</li></ul>

Middleware Java Engineer NEW

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>

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