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We are looking for a Software Architect with a strong engineering background to lead the design and implementation of scalable, cloud-native systems. In this role, you will act as the technical authority across multiple projects, defining architecture, guiding development teams, and ensuring high-quality delivery. You will work closely with Engineering Managers, Technical Leads, and AI/Data teams to design modern distributed systems, including AI-enabled applications (LLMs, RAG, integrations).This is a hands-on architecture role — combining system design, technical leadership, and active contribution to complex implementations The key responsibilities of this role will include:Architecture &amp; System Design<ul><li>Define and own end-to-end architecture for software systems (backend, frontend, data, integrations)</li><li>Design microservices-based and event-driven architectures</li><li>Ensure systems are scalable, secure, and highly available</li><li>Define technical standards, patterns, and best practices</li><li>Contribute to the design of AI-powered systems (RAG pipelines, LLM integrations, agent-based workflows)</li><li>Collaborate with AI specialists to integrate ML/LLM components into production systems</li><li>Ensure AI components are reliable, scalable, and aligned with system architecture</li></ul>Technical Leadership<ul><li>Act as technical authority across multiple teams and projects</li><li>Guide Technical Leads and development teams</li><li>Review and validate technical designs and implementations</li></ul>Cloud &amp; DevOps<ul><li>Design cloud architectures (Azure/AWS)</li><li>Work with Docker, Kubernetes, CI/CD pipelines</li></ul>Data &amp; Integration<ul><li>Define data architecture and data flows</li><li>Design schemas for:</li></ul>- Relational databases (Postgres, MySQL)- NoSQL systems (MongoDB, Redis)<ul><li>Ensure efficient integration between services, APIs, and external systems</li></ul>Communication &amp; Mentoring<ul><li>Translate business needs into technical solutions</li><li>Support proposals and client discussions</li><li>Mentor engineers and technical leads</li><li>Promote best practices and standards</li></ul>To be successful at this role you need the following (hard and soft skills):<ul><li>6+ years of experience in Software development</li><li>Proven experience as Senior/Lead Engineer or Software Architect</li><li>Deep expertise in Java/Spring Boot, Microservices architecture and Event-driven systems (Kafka, messaging)</li><li>Strong understanding of System/API design (scalability, resilience, performance)</li><li>Experience with Relational databases, Cloud platforms (Azure preferred), Docker and Kubernetes</li><li>Strong technical leadership and decision-making skills</li><li>Excellent communication skills</li><li>Ability to lead across teams</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>

Software Architect

As a Software Architect (all genders) at TeamViewer, you will be pivotal in shaping the architectural vision and strategy for our software solutions. Your role will involve designing, developing, and implementing scalable, secure, and high-performing systems that align with the company’s strategic goals. You will guide architectural decisions, conduct reviews, and provide insights to ensure that our software solutions meet the highest standards of quality, robustness, and adaptability. Working closely with cross-functional teams, you will ensure that our systems are designed for long-term success, incorporating best practices and emerging technologies.<ul><li>Architectural Strategy: Develop and implement software architecture strategies that align with business goals. Design scalable, secure, and high-quality solutions end-to-end across the whole customer journey.</li><li>Concept and Design Reviews: Conduct detailed reviews of architectural concepts, providing feedback and suggestions to enhance design quality and system performance.</li><li>Technical Guidance: Lead technical discussions, mentor team members up to Principle/Architect level, and provide strategic advice on complex technical challenges.</li><li>Cross-Functional Collaboration: Work closely with engineering, product, and operations, marketing, support teams to ensure alignment and successful delivery of projects across the whole user journey.</li><li>Documentation: Create and maintain comprehensive architectural documentation that is clear, concise, and accessible to all relevant stakeholders.</li></ul><ul><li>Continuous Learning: Stay updated on industry trends and emerging technologies, applying this knowledge to enhance our software architecture.</li></ul><ul><li>Risk Management: Identify and document potential risks in the architecture, providing strategies to mitigate them effectively.</li></ul>Requirements<ul><li>Bachelor’s or master’s degree in computer science, Software Engineering, or a related field.</li><li>Over 11 years of experience in software engineering, with a proven track record in demonstrating mastery withing complex architectures and various domains.</li><li>Deep expertise in software architecture, development techniques, and tools, including VCS, IDEs, CI/CD, and deployment strategies.</li><li>Proficient in design and architectural patterns, with a strong focus on SOLID principles and industry best practices.</li><li>Hands-on development guidance of engineering teams through initial project phases</li><li>Advanced experience in agile software development, ideally with the tech stack of Java, Kotlin, TypeScript, React.JS, C++, C#, effectively applying it to architectural processes.</li><li>Strong ability to convey complex architectural concepts clearly to both technical and non-technical stakeholders.</li><li>Mastery in recognizing the impact of how changes can affect complex distributed systems.</li><li>Profound understanding of multi-platform development, non-functional requirements, and requirements engineering and its implications.</li><li>Lead feasibility studies, provide strategic advice, and guide teams through complex situations.</li><li>Consistently document complex technical systems and concepts in a structured and standardized manner, making knowledge accessible to others.</li><li>Commitment to continuous learning and application of the latest technological advancements in software architecture.</li><li>Always strives to balance business interests against technical efforts.</li><li>Knowledge in software licensing, FOSS compliance, and risk analysis, with the ability to identify and mitigate risks in architecture.</li></ul>What we offer<ul><li>Onsite Onboarding in our HQ office for an optimal start</li><li>Great compensation and benefits packages including company achievement bonus or sales bonus, company stocks and regular salary reviews</li><li>Premiums for the private pension plan (BAV) up to the maximum amount are topped up by TeamViewer</li><li>Public transport friendly offices</li><li>Option to lease an e-bike (Germany only)</li><li>Special terms for local gyms</li><li>Access to Corporate Benefits platform&nbsp;with many discounts</li><li>Regular Team events and company-wide celebrations</li><li>Open door policy, no dress code rules, frequent all Hands and Leadership Lunches</li><li>Hybrid and Flexible work time with up to 50% home office</li><li>Work From Abroad Program allowing up to 40 days of work outside your contracting country</li><li>We celebrate diversity as one of core values, join and drive one of the c-a-r-e initiatives together with us!</li></ul>

Web Software Architect (all genders)

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

We are seeking an experienced Regulatory Compliance &amp; Quality Assurance Specialist to join our Compliance &amp; AML team. From this role you will ensure the company meets Group requirements and regulatory obligations for AML, PSD2, ABAC, CoI, ESG and other compliance areas, taking into consideration the provision of the current relevant regulatory framework and best practices. &nbsp;This role provides you with the opportunity to work in a hybrid model, combining work from home and from the office. The position plays a vital role inside the Compliance Department contributing to the department’s strategic plans. Your local team will be based in Athens, Greece.Your key responsibilities in this role will include:Quality Assurance (QA):<ul><li>Develop and maintain QA frameworks for compliance processes, ensuring effectiveness and consistency.</li><li>Validate the design and operational effectiveness of AML monitoring systems and transaction screening tools.</li><li>Review compliance-related KPIs and ensure continuous improvement.</li><li>Develop procedures and policies and help in implementation</li></ul>Regulatory Monitoring &amp; Reporting:<ul><li>Stay updated on BoG directives, PSD2 requirements, and Group compliance standards.</li><li>Prepare reports to be presented to senior management, other stakeholders and regulatory bodies.</li></ul>Collaboration &amp; Training:<ul><li>Work closely with AML, Risk, IT Security, and Operations teams to ensure integrated compliance controls.</li><li>Provide guidance and training on compliance audit methodologies and QA best practices.</li></ul>What makes you the best person for this job?&nbsp;Now while you are reading about the role, are you curious to discover more? If your answer is yes, check what qualifications make you the right candidate to apply. But keep in mind one thing - on top of your skillset, knowledge and experience, it's your potential that makes a difference for you to achieve your goals in everyday work.Qualifications needed to be successful in this role:<ul><li>Minimum 3–5 years in Compliance, AML, or Internal Audit within financial services.</li><li>Familiarity with BoG regulations, PSD2, AML/CFT frameworks, and payment systems.</li><li>Bachelor's and/or Master’s in Law, Economics or related fields.</li><li>Knowledge of AML laws and regulations in Greece and the European Union, as well as best practices.</li><li>Previous proven working experience in Digital Payments area will be considered a plus.</li><li>Excellent command of English &amp; Greek language (verbal &amp; written communication).</li><li>Organized team player with a positive “can do” attitude and with that a determination to succeed in a challenging and competitive environment.&nbsp;</li></ul>Additional skills and experience that would make you stand out:<ul><li>Analytical mindset, attention to detail, and ability to identify risks.</li><li>Strong knowledge of regulatory compliance and audit principles, and excellent reporting skills.</li><li>Ability to communicate effectively with all hierarchy levels within the organization.&nbsp;</li><li>Certifications (preferred): CAMS, CISA, or equivalent compliance/audit certifications.</li></ul>What’s in it for You?<ul><li>Attractive salary and a competitive benefits package&nbsp;to reward your expertise and contributions&nbsp;</li><li>Tech equipment:&nbsp;Get the tools you need to succeed, including the latest technology to support your work</li><li>Join an international team:&nbsp;Collaborate with experts from across Europe and bring your ideas to life in a dynamic, global environment&nbsp;</li><li>Grow and develop:&nbsp;Gain hands-on experience and structured training through our&nbsp;PayTech University, designed to accelerate your career and help you reach your full potential</li><li>Work Your Way:&nbsp;Embrace a&nbsp;Hybrid Working Model&nbsp;that offers flexibility and balance between office and remote work</li><li>Stay Healthy, Feel Supported: Comprehensive&nbsp;Medical Plan&nbsp;(Life &amp; Health Insurance) plus an&nbsp;Annual Health Check-Up&nbsp;to keep you at your best.</li><li>Support That Cares:&nbsp;Access to our&nbsp;Company Blood Bank, because we believe in taking care of each other.&nbsp;</li><li>Daily Comforts:&nbsp;Receive&nbsp;Ticket Restaurant Vouchers&nbsp;to make your lunch breaks more enjoyable. Enjoy free coffee on premises.</li><li>Connect &amp; Celebrate:&nbsp;Join us for&nbsp;Corporate Events&nbsp;that foster team spirit, celebrate achievements, and make work fun.</li></ul>

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Grant Thornton Greece

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senior ai engineer

Grant Thornton Greece

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Nexi Greece

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