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As a .NET Software Engineer, you will be part of a hybrid agile team, working on a variety of gaming and entertainment-related digital platforms. You’ll be involved in the design, development, and evolution of scalable software systems that power real-time applications used by millions of users across the globe.Key Responsibilities: The developer will be involved in the full development cycle within Agile teams, contributing from technical design to implementation, ensuring performance, scalability, and excellent user experience across international markets.Key Responsibilities:<ul><li>Design and implement robust, scalable backend services, delivering features from concept to production with a strong focus on performance and reliability.</li><li>Translate complex functional requirements into clean, maintainable systems using C#, ASP.NET Core, and .NET 8.</li><li>Develop within a high-availability, large-scale infrastructure, handling real-time operations and significant data volumes.</li><li>Work with MS SQL Server, Redis, ElasticSearch, and RabbitMQ to ensure efficient data management and asynchronous communication.</li><li>Collaborate in Agile teams to deliver high-impact solutions, following best practices in coding, testing, and CI/CD.</li><li>Continuously research and adopt new technologies to optimize development processes and system architecture.</li><li>Contribute to a culture of code quality, peer reviews, and technical excellence, challenging assumptions and promoting innovation.</li></ul>WHO WE’RE LOOKING FOR<ul><li>B.Sc. or M.Sc. in Computer Science, Software Engineering, or a related technical field.</li><li>At least 4 years of professional experience in building production-grade software using the Microsoft .NET ecosystem.</li><li>Strong proficiency in C# and hands-on experience with ASP.NET MVC and RESTful Web APIs.</li><li>Solid understanding of core web protocols and concepts such as HTTP, REST, and API design.</li><li>Good grasp of algorithms, data structures, and practical use of design patterns, including familiarity with commonly used architectural approaches.</li><li>Experience working with SQL-based databases and message brokers such as RabbitMQ.</li><li>A mindset focused on clean, maintainable code and software quality, with attention to detail and strong debugging skills.</li><li>Comfortable working in Agile environments, collaborating effectively with peers in cross-functional teams.</li><li>Excellent command of English in both spoken and written form; fluency in Greek is also required.</li><li>A proactive, self-motivated attitude with strong ownership and problem-solving abilities.</li></ul>WHAT´S IN IT FOR YOU?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>

Software Engineer (.NET)

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

At EY, we’re all in to shape your future with confidence.&nbsp;We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.​Being part of EY in Greece means being part of a continuously growing team, which has been announced as Top Employer for the fourth consecutive year, certified as a Great Place to Work for the third year in a row, and awarded as Best Workplace in Professional Services &amp; Consulting for the second consecutive time, for our almost 3,000 professionals!At EY, we’ll develop you with future-focused skills and equip you with world-class experiences through&nbsp;coaching and training programs as well as the use of advanced technology and AI. We’ll fuel you and your extraordinary talents in a diverse and inclusive culture&nbsp;of globally connected teamsJoin us as we commemorate 100 years of EY in Greece this year. Experience great&nbsp;flexibility&nbsp;under&nbsp;our hybrid&nbsp;operating model&nbsp;across our offices in&nbsp;Athens,&nbsp;Patras, Thessaloniki and Crete&nbsp;and contribute to building a better working world.&nbsp;The opportunityWe are looking for a Microsoft Security Engineer with strong experience across the Microsoft 365 and Microsoft Security ecosystem, focusing primarily on Microsoft Defender and Microsoft Purview.&nbsp;Your key responsibilitiesDesign, implement, and optimize Microsoft Defender solutions, including:<ul><li>Defender for Endpoint</li><li>Defender for Office 365</li><li>Defender for Identity</li><li>Defender for Cloud</li></ul>Implement and manage Microsoft Purview capabilities:<ul><li>Information Protection / Sensitivity Labeling</li><li>Data Loss Prevention (DLP) across Microsoft 365 workloads</li></ul>Define and enforce security policies across:<ul><li>Exchange Online</li><li>SharePoint Online</li><li>OneDrive</li><li>Microsoft Teams</li></ul>Participate in security assessments, hardening activities, and compliance initiativesCollaborate with IT, Cloud, and Identity teams to deliver end‑to‑end security solutionsProduce clear technical documentation for architecture, configurations, and security decisions&nbsp;Skills and attributes for successTo qualify for the role you must have:<ul><li>Bachelor’s degree in computer science, Engineering, IT, Mathematics or related field, or equivalent work experience.</li><li>Strong hands‑on experience with Microsoft Defender (Microsoft 365 Defender stack)</li></ul><ul><li>Strong analytical/problem-solving skills and the ability to communicate clearly with technical and non-technical stakeholders.</li></ul>Ideally, you will also have:&nbsp;&nbsp;&nbsp;&nbsp; Proven experience with:<ul><li>Microsoft Purview Information Protection (Sensitivity Labels)</li><li>Microsoft Purview DLP</li><li>Solid understanding of the Microsoft 365 security model</li><li>Experience in security policy design and implementation</li><li>Good knowledge of Microsoft Entra ID (Azure AD) from a security perspective</li><li>Ability to translate business requirements into effective technical security controls</li></ul><ul><li>High‑level understanding of what Sentinel is, what it does, and when it is used is sufficient</li><li>Considered a plus</li><li>Microsoft certifications (e.g. SC‑200, SC‑300, SC‑400, MS‑500)</li><li>Experience in hybrid (on‑prem &amp; cloud) environments</li></ul>&nbsp;What we offer you &nbsp;Ability to Shape your Future with Confidence by:<ul><li>Developing your professional growth:<ul><li>You'll have unlimited access to educational platforms, EY Badges and EY Degrees, alongside support for certifications. You will experience personalized coaching and feedback, and gain exposure to international projects, through our expansive global network, empowering you to define and achieve your own success.</li><li>Dive into our innovative GenAI ecosystem, designed to enhance your EY journey and support your career growth. These advanced AI tools will empower you to focus on higher-value work and meaningful interactions, enriching your professional experience like never before.</li></ul></li></ul><ul><li>Empowering your personal fulfilment: We focus on your financial, social, mental and physical wellbeing.<ul><li>Our competitive rewards package, depending on your experience, includes cutting-edge technological equipment, ticket restaurant vouchers, a private health and life insurance scheme, income protection and an exclusive EY benefits club card that provides a wide range of discounts, offers and promotions.</li><li>Our flexible working arrangement (hybrid model) is defined based on your own preferences and team’s needs, and we enjoy various getaways such as short Fridays, Flex Day and Together Day.&nbsp;</li><li>Our commitment to a sustainable way of operating, encourages volunteerism, promotes sustainable practices and offers opportunities for you to create a positive societal impact.</li><li>Our pride lies in working at EY as one of the most recognized employers in Greece through our multiple awards received over the last 4 years (Top Employer, Great Place to Work and Best Workplace in Professional Services &amp; Consulting).</li></ul></li></ul><ul><li>Fueling an inclusive culture:&nbsp;We prioritize a diverse, equitable and inclusive environment, where you’ll be embraced for who you are and empowered to use your voice to help others find theirs.</li></ul>&nbsp;Are you ready to shape your future with confidence? Apply today.&nbsp;To help create an equitable and inclusive experience during the recruitment process, please inform us as soon as possible about any disability-related adjustments or accommodations you may need.&nbsp;&nbsp;EY&nbsp; |&nbsp; Building a better working worldEY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.&nbsp;Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.&nbsp;EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.#LI-Hybrid&nbsp;

Microsoft Security Engineer

Θέσεις Εργασίας Communications Manager Αττική, Πληροφορική - Σελίδα 5

software engineer (.net)

Code.Hub

senior ai engineer

Grant Thornton Greece

microsoft security engineer

EY

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