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We are seeking a talented and experienced AI Engineer to join our AI Center of Excellence. This role involves developing and deploying state-of-the-art Generative AI solutions powered by Large Language Models (LLMs) and Agentic AI flows. You will collaborate with cross-functional teams to build secure, scalable, and high-performing AI systems that solve real-world problems using cutting-edge technologies. As part of the AI Center of Excellence, you will contribute to the creation of reusable GenAI components and frameworks, ensuring technical excellence, responsible AI practices, and continuous improvement.The key responsibilities of this role will include:<ul><li>Write clean, scalable Python code applying strong OOP principles to build and integrate state-of-the-art Generative AI and Agentic AI solutions.</li><li>Train and fine-tune LLMs using domain-specific datasets, and work with modern foundation models like GPT, Claude, Llama, and Mistral.</li><li>Design and implement robust architectures, including Retrieval-Augmented Generation (RAG) pipelines, advanced chunking strategies, memory management, advanced prompt templating, Model Context Protocol (MCP), and context injection.</li><li>Design and deploy sophisticated agent-based systems using frameworks such as LangGraph, LangChain agents, CrewAI, and AutoGen.</li><li>Leverage industry-leading tools like LangChain, LlamaIndex, HuggingFace Transformers, and OpenAI APIs.</li><li>Develop automated pipelines for model performance evaluation, bias detection, and Responsible AI compliance.</li><li>Provide technical leadership, mentor junior engineers, and help shape our AI strategy.</li><li>Collaborate closely with engineering and infrastructure teams for seamless deployment and continuous iteration.</li><li>Produce clear, comprehensive documentation and reports for technical designs, project progress, and model performance.</li></ul>To be successful at this role you need the following (hard and soft skills):<ul><li>Bachelor's degree in Computer Science, Information Technology, Software Engineering, or related field</li><li>3+ years of hands-on experience in AI/ML projects, building and delivering AI/GenAI applications.</li><li>Expertise and a deep understanding of the rapidly evolving Generative AI landscape, GenAI architectures, including RAG pipelines and model evaluation frameworks.</li><li>Expertise in LLM development, prompt engineering, vector-based retrieval techniques, and modern AI agent frameworks.</li><li>Strong command of Python with solid Object-Oriented Programming (OOP) principles, and experience with MLOps practices.</li><li>Familiarity with Responsible AI concepts, including fairness, transparency, Green AI and hallucination mitigation.</li><li>Strong problem-solving and critical thinking abilities.</li><li>Effective communication skills for both technical and non-technical audiences.</li><li>A collaborative mindset with a willingness to learn and share knowledge.</li><li>Self-motivation and the ability to drive projects with minimal supervision.</li><li>Clear and structured approach to documentation and continuous learning.</li></ul>Bonus Qualifications (Nice to have):<ul><li>Experience in building or utilizing systems that conform to the Model Context Protocol (MCP).</li><li>Experience with specific Azure AI services (e.g., Azure OpenAI, Azure ML).</li><li>Contributions to open-source AI projects or relevant research publications.</li><li>Experience with real-time AI systems or low-latency inference.</li><li>Relevant certifications in cloud AI or machine learning.What’s in it for You?</li></ul>At Grant Thornton Greece, we believe that great work deserves great rewards! Here’s what you can look forward to:<ul><li>🌈 Diverse and inclusive workplace</li><li>🏋️‍♂️ Friendly, Dynamic Working environment</li><li>💰 Competitive Salary &amp; Bonus</li><li>🩺 Insurance Program for all GT members</li><li>👩‍🏫 Fully funded Training &amp; Professional Qualifications</li><li>🏖 Extra Days-off: August Freedays, Volunteering Days, Early leave days</li><li>🏃🏽‍♂️ Corporate Sports Teams (e.g., Running, Basketball, Volleyball)</li><li>🎁 Exclusive Discounts: Special offers and discounts for employees</li><li>🚗 Company Car (depending on job level)</li></ul>

Senior AI Engineer

SAP Basis Team Leader

The Platform Engineer – Digital, eCommerce Operations plays a critical role in ensuring the stability, scalability, and performance of customer-facing digital &amp; loyalty platforms that power our omnichannel experience.This includes our eCommerce sites and apps, loyalty ecosystem, digital promotions, identity and customer accounts services, and the supporting operational platforms behind them. The ideal candidate brings strong technical depth in modern distributed architectures—such as microservices, event streaming technologies, and relational databases—along with the communication skills necessary to collaborate effectively across engineering, product, and customer operations teams. This role ensures our digital and loyalty experiences remain reliable, fast, and consistent across channels, enabling seamless end-to-end shopping journeys.Key Competencies:<ul><li>Customer-First Mindset: Dedicated to delivering frictionless digital experiences</li><li>Systems Thinking: Able to visualize and troubleshoot complex multi-service interactions</li><li>Communication &amp; Collaboration: Partners effectively across engineering, product, operations, and marketing</li><li>Proactive Ownership: Anticipates issues, improves processes, and drives reliability</li><li>Adaptability: Thrives in a fast-paced omnichannel environment with evolving priorities</li></ul>READ FULL DESCRIPTIONResponsibilities<ul><li>Maintain and monitor eCommerce, loyalty, and digital operational platforms to ensure high performance, uptime, and reliability</li><li>Provide Tier 2nd support for customer-facing systems, addressing issues related to catalog, pricing and promotions, personalization, loyalty points, identity, checkout, and digital content</li><li>Collaborate with DevOps, Product Owners, and vendor partners to resolve platform incidents and prevent customer-impacting disruptions</li><li>Support the operation of complex microservice-based architectures, including API gateways, service meshes, and containerized deployments</li><li>Understand service dependencies and use observability tools to diagnose performance bottlenecks or failure patterns across the digital ecosystem</li><li>Assist with rollout, testing, and validation of new microservices, integrations, and platform enhancements</li><li>Monitor and support streaming pipelines (e.g., Kafka) used for real-time events such as cart updates, orders, promotions, personalization, and loyalty transactions</li><li>Have good understanding of relational database operations (e.g., Postgres, MySQL, SQL Server), including query optimization, data validation, and issue diagnosis</li><li>Assist with schema changes, replication monitoring, and performance tuning across production and pre-production databases</li><li>Partner with engineering teams to ensure data integrity across APIs, services, and downstream systems</li><li>Knowledge of scripting language (e.g., HTML, Java) would be considered an asset</li><li>Support and maintain system integrations across digital platforms, loyalty engines, store systems, and enterprise applications</li><li>Troubleshoot API failures, latency issues, and payload-level anomalies in REST, SOAP, GraphQL, event-driven, and batch integrations</li><li>Ensure integrations follow best practices for security, scalability, and fault tolerance</li><li>Enhance monitoring, logging, and alerting across digital and loyalty systems using APM and observability tools</li><li>Participate in on-call rotation for critical digital platforms</li><li>Contribute to root cause analysis and long-term reliability improvements</li><li>Serve as a key technical liaison between engineering, business digital operations, loyalty, marketing, and customer support teams</li><li>Communicate technical issues in a clear and actionable manner, helping stakeholders understand operational impacts and timelines</li><li>Document platform behavior, system flows, operational playbooks, and troubleshooting guides</li></ul>Requirements<ul><li>Bachelor’s degree in Computer Science, Engineering, Information Systems, or equivalent practical experience</li><li>Strong technical knowledge of relational databases and proficiency with SQL</li><li>Solid understanding of microservices architecture and distributed systems</li><li>Experience with streaming platforms (Kafka)</li><li>Familiarity with API technologies (REST, GraphQL, SOAP) and integration patterns (synchronous, asynchronous, event-driven, batch)</li><li>Hands-on experience with observability &amp; monitoring (Datadog, New Relic, Splunk, Grafana, ELK, etc.)</li><li>Strong analytical and diagnostic skills with the ability to resolve complex system issues</li><li>Excellent communication skills with the ability to collaborate across technical and non-technical teams</li><li>Fluent speaking in English</li></ul>Nice to have<ul><li>Experience in eCommerce, retail, digital loyalty programs, or high-scale customer-facing platforms</li><li>Knowledge of cloud technologies (AWS, Azure) and container orchestration (Kubernetes)</li><li>Understanding of modern CI/CD pipelines and DevOps practices</li><li>Experience with digital identity systems (OAuth, SSO, identity providers, token-based authentication)</li><li>Familiarity with edge platforms (CDN, WAF, caching strategies)</li></ul>We offer/BenefitsFor your comfortable work:<ul><li>Remote and hybrid work opportunities</li><li>Option to work from our centrally located office in Athens</li><li>Corporate laptop provided</li><li>Private health insurance</li><li>Meal vouchers / restaurant tickets</li><li>My Benefit card (264€/year)</li><li>Monthly public transportation card</li></ul>For your growth:<ul><li>Global and diverse client portfolio, large-scale projects, and trendy technologies</li><li>Diverse multicultural, multi-functional, and multilingual work environment</li><li>Opportunity to contribute to internal and open-source products</li><li>Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey</li><li>Possibility to create a Personal Development Plan from the first day in the company</li><li>Numerous opportunities for self-development: hard &amp; soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries</li><li>Certification opportunities</li><li>Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities</li><li>Language courses</li></ul>

Platform Engineer – eCommerce & Digital Operations

<h2>IT Service Desk Administrator</h2>Limassol / AthensEngineering – Service Desk /Full-time /On-siteApply for this jobIT Service Desk Administrator The Role:We are looking for an energetic and passionate IT Service Desk Administrator who will monitor, maintain and provide high quality systems support to the company’s department. You will be responsible for managing and resolving IT related issues/queries in an efficient and effective manner. You will also be involved in the company’s other IT projects as required. This is a great opportunity to be part of a well-established team within a rewarding and challenging environment!<h2>The main responsibilities of the position include:</h2><ul><li></li></ul><ul><li>Ensure proper and smooth operation of the MT4 and MT5 trading platforms</li><li>Install, replace and configure computer hardware, operating systems, trading platforms and applications</li><li>Troubleshoot hardware and software conflicts and repair or adjustments when necessary</li><li>Install and troubleshoot Windows based systems</li><li>Work with Microsoft, GSuite and cloud technologies</li><li>Assist with the administration of Windows operating system, Azure Portal</li><li>Perform routine audits of systems and software, and resolve any problems identified</li><li>Administer the company’s ticketing system and respond to staff requests in the agreed SLA, and log all IT support helpdesk calls in the ticket system</li><li>Monitor our systems by using monitoring tools</li><li>Provide guidance, support and training to staff on IT related issues</li><li>Liaise with external associates to solve any problem</li></ul><h2>Main requirements:</h2><ul><li></li></ul><ul><li>University Degree in Information Technology, or any other relevant field</li><li>Experience in a similar position will be a major plus</li><li>Working a shift schedule</li><li>Excellent problem solving and troubleshooting skills</li><li>Proactive and efficient with strong organisational skills</li><li>Ability to multitask, prioritise and work independently</li><li>Provide fast, polite and efficient responses to all staff</li><li>Knowledge of Windows 10/2012/2016 (MacOS knowledge is considered a plus but not a must)</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></ul><h2>The Hiring Experience: What Awaits You</h2><ul><li></li></ul><ul><li>Let’s Connect – Intro Chat with Talent Acquisition</li><li>Deep Dive – First Interview with Your Future Team</li><li>Final Connection – Final Interview</li></ul>All applications will be treated with strict confidentiality! Apply for this job

IT Service Desk Administrator

We are looking for a Technical Lead / Senior Software Engineer who combines strong hands-on engineering skills with a growing ability to lead technical delivery across projects. In this role, you will act as the Technical owner and Lead Developer of a project or major feature, driving design decisions, coordinating across teams (Frontend, Backend, AI &amp; Data), and ensuring high-quality delivery.You will work closely with our Solutions Architects, PMs and Business Analysts contributing to the implementation of scalable, cloud-native systems — including modern AI-enabled solutions (LLMs, RAG, integrations). This is not a pure coding role — it is a step into technical leadership, with strong growth potential toward Architect or Engineering Lead positions. The key responsibilities of this role will include:Technical Ownership &amp; Delivery<ul><li>Own end-to-end technical delivery of a project or feature</li><li>Coordinate implementation across teams (FE, BE, AI)</li><li>Ensure integration and delivery quality</li></ul>Solution Design &amp; Architecture<ul><li>Design and implement microservices-based architectures using Spring Boot</li><li>Contribute to event-driven systems and integrations (Kafka, messaging, APIs)</li><li>Define and review data models across relational (Postgres, MySQL) and NoSQL databases</li><li>Collaborate with Architects to align with target architecture and best practices</li></ul>AI-enabled Systems<ul><li>Support integration of AI/ML components</li><li>Work with LLM-based systems (RAG, APIs)</li><li>Collaborate with AI specialists</li></ul>Collaboration &amp; Communication<ul><li>Act as main technical contact within project</li><li>Participate in client discussions</li><li>Communicate risks and decisions clearly</li></ul>Leadership &amp; Mentoring<ul><li>Guide junior and mid-level engineers</li><li>Lead code reviews and design discussions</li></ul>To be successful at this role you need the following (hard and soft skills):<ul><li>5–8+ years of experience in Software engineering (Java ecosystem)</li><li>Strong hands-on experience with Spring/Spring Boot, Microservices architecture and REST APIs</li><li>Solid understanding of Relational databases (Postgres, MySQL)</li><li>Experience with Event-driven architectures and messaging systems (e.g., Kafka, RabbitMQ)</li><li>Familiarity with Cloud environments (Azure preferred), Docker and Kubernetes</li><li>Strong problem-solving skills and ownership mindset</li><li>Demonstrated ability to take ownership of features or projects</li><li>Strong communication skills (team and stakeholder level)</li><li>Ability to coordinate across multiple teams</li><li>Proactive attitude, identify problems and drive solutions</li></ul>What’s in it for You?At Grant Thornton Greece, we believe that great work deserves great rewards! Here’s what you can look forward to:<ul><li>🌈 Diverse and inclusive workplace</li><li>🏋️‍♂️ Friendly, Dynamic Working environment</li><li>💰 Competitive Salary &amp; Bonus</li><li>🩺 Insurance Program for all GT members</li><li>👩‍🏫 Fully funded Training &amp; Professional Qualifications</li><li>🏖 Extra Days-off: August Freedays, Volunteering Days</li><li>🏃🏽‍♂️ Corporate Sports Teams (e.g., Running, Basketball, Volleyball)</li><li>🎁 Exclusive Discounts: Special offers and discounts for employees</li><li>🚗 Company Car (depending on job level)</li></ul>

Technical Lead / Senior Software Engineer (Java, Cloud & AI-enabled Solutions)

We are looking for a Senior Product - UX Designer who refuses to settle for "good enough". As part of the newly formed Digital &amp; AI division at Allwyn Hellas, you will not just be designing screens; you will be shaping the digital experience for millions of users across our global gaming ecosystem. You will merge data, aesthetics, and psychology to build seamless, accessible, and high-performance products. You will also be at the forefront of our transformation, integrating AI workflows to accelerate innovation. What your day to day will include:&nbsp;<ul><li>Leading the end‑to‑end design process, from discovery to delivery, defining user flows, IA structures, and high‑fidelity UI for flagship digital platforms.</li><li>Applying mobile‑first thinking and leveraging deep mastery of Apple HIG and Material Design guidelines to craft native, high‑performance mobile experiences.</li><li>Evolving and governing the Allwyn Design System, ensuring consistency and scalability across component libraries, design tokens, and documentation.</li><li>Designing interfaces optimized for performance and accessibility, ensuring compliance with Web Vitals standards and WCAG 2.2 guidelines.</li><li>Leveraging AI‑powered tools to accelerate user testing, prototyping, and automated design audits, enabling more time for creative problem‑solving and innovation.</li></ul> What you’ll bring:&nbsp;<ul><li>5+ years of experience in Product Design (UX/UI), with a portfolio demonstrating complex transactional flows (e‑commerce, fintech, gaming)</li><li>Strong understanding of native mobile interaction patterns and mobile HCI principles</li><li>Solid knowledge of HTML/CSS constraints and mobile development frameworks</li><li>Ability to design feasible, scalable, and technically robust product solutions</li><li>Familiarity with inclusive design and accessibility standards (EAA, WCAG)</li><li>Comfort working with analytics, heatmaps, and A/B testing insights to support design decisions</li><li>Expert proficiency in Figma (including variables and advanced prototyping); experience with AI‑assisted design tools is a strong asset</li><li>Excellent communication, collaboration, and presentation skills</li><li>Ability to manage multiple projects and deliver high‑quality work in a fast‑paced, evolving environment</li><li>Curiosity, innovation mindset, and commitment to continuous improvement </li></ul>What’s&nbsp;in it for you?&nbsp;🚀 An award-winning working environment &nbsp;💸 Competitive salary package and bonus scheme &nbsp;🩺&nbsp;Health insurance coverage, Pension Plan and Annual Health Checkup &nbsp;💻&nbsp;Hybrid working model &nbsp;🏢 State of the art facilities including gym&nbsp;&amp;&nbsp;restaurant&nbsp;🎓 Continuous learning powered by Allwyn Academy &nbsp;💼 Internal career opportunities &nbsp;👪&nbsp;Family Support incl. daycare&nbsp;voucher&nbsp;and assisted reproduction&nbsp;voucher&nbsp;🌱 Volunteering program, including 2 extra days off to give back&nbsp;💪 Well-Being Program incl. sports teams, nutritionist &amp; psychologist services, Employee Assistance line and more&nbsp;🗓️ Allwyn Day - one extra day off&nbsp;&nbsp;🍴 Monthly food allowance&nbsp;&nbsp;🚌&nbsp;Shuttle service for easy commute to our offices&nbsp;🛍️ Exclusive employee discounts across a range of partners ️&nbsp;

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senior ai engineer

Grant Thornton Greece

sap basis team leader

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platform engineer – ecommerce & digital operations

EPAM Global

it service desk administrator

XM

technical lead / senior software engineer (java, cloud & ai-enabled solutions)

Grant Thornton Greece

senior product - ux designer (3802)

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