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We are looking for someone with strong data handling skills and a solid foundation in NLP or Generative AI techniques. This person will work with large volumes of both structured (e.g. databases, logs) and unstructured data (e.g. free text, user queries) and help improve the chatbot’s performance, reasoning capabilities, and response quality.Key Responsibilities<ul><li>Work with both structured and unstructured datasets to support AI and chatbot development.</li><li>Design and implement NLP pipelines and data preprocessing routines.</li><li>Collaborate with product teams to understand conversational goals and fine-tune response logic.</li><li>Explore and integrate Generative AI models (e.g. LLMs) for enhanced chatbot behavior.</li><li>Continuously evaluate and optimize chatbot responses based on real user input and logs.</li></ul>Requirements<ul><li>BSc or MSc in Computer Science, Artificial Intelligence, Data Science, or related field.</li><li>2+ years of experience in AI/NLP/ML engineering roles.</li><li>Solid understanding of working with text data (tokenization, embeddings, sentiment, intent).</li><li>Proficient in Python and popular AI/ML frameworks (e.g. Hugging Face, spaCy, LangChain, PyTorch, or TensorFlow).</li><li>Experience with data extraction, transformation, and modeling from both SQL and unstructured sources.</li></ul>&nbsp;Nice to Have<ul><li>Hands-on experience with LLMs (OpenAI, Cohere, Mistral, etc.) or fine-tuning/customization of foundation models.</li><li>Familiarity with vector databases, RAG (retrieval-augmented generation), or prompt engineering.</li><li>Experience in chatbot frameworks (e.g. Rasa, Dialogflow) or custom conversational agent</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>

Gen AI

We are looking for an&nbsp;IT Engineer&nbsp;to join our team. You will work alongside IT application support engineers and report directly to the IT and Application Support Manager.As an IT Engineer you will be responsible for designing, implementing, managing, and supporting the company’s Group IT infrastructure and systems. The ideal candidate will play a key role in ensuring technology operations run smoothly, securely, and efficiently across the organization.Responsibilities:<ul><li>Design, implement, and maintain IT infrastructure including servers, networks, and cloud systems;</li><li>Troubleshoot and resolve complex technical issues across hardware, software, and networks;</li><li>Configure and manage enterprise systems (e.g., Windows Server, Active Directory, firewalls);</li><li>Manage and optimize cloud platforms (e.g., Azure, AWS);</li><li>Implement cybersecurity best practices, monitor threats, and ensure data protection compliance;</li><li>Collaborate with development, operations, and support teams on infrastructure and deployment needs.</li><li>Perform system upgrades, migrations, and patch management;</li><li>Develop automation scripts to streamline operational tasks and deployments;</li><li>Monitor system performance and provide capacity planning;</li><li>Document systems, procedures, and best practices;</li><li>Ensuring that all activities and duties are carried out in full compliance with regulatory requirements and supporting the continued implementation of the Group Anti-Bribery and Corruption Policy.</li></ul>Requirements<ul><li>Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field;</li><li>Industry certifications (e.g., Microsoft, Cisco, AWS, etc.) desirable;</li><li>3–5 years of experience in IT engineering or a related role. Proven experience with enterprise-grade switches, routers, firewalls (e.g., Cisco, Fortinet);</li><li>Proficiency in managing Windows and Linux environments;</li><li>Strong knowledge of networking protocols (TCP/IP, DNS, VPN, VLANs, firewalls);</li><li>Knowledge of SD-WAN and SASE principles &amp; technologies;</li></ul>Let’s talk about us:<ul><li>Remote 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>

Network 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 8 / C#, deployed on Azure Cloud.</li><li>Contribute to the transformation of legacy systems (.NET/WCF, SOAP, REST APIs) 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 8, REST APIs.</li><li>Hands-on experience with Angular</li><li>Solid understanding of cloud technologies (Azure) and containerization (Kubernetes)</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 (All Levels)

The Head of Operations is responsible for guiding the operational direction of the company, supporting the CEO’s decisions, and ensuring effective performance across all departments. The role involves developing and implementing policies, overseeing resource allocation and budgets, driving process optimization, and ensuring compliance with legal and industry standards. This is a leadership position that requires strategic thinking, operational excellence, and strong people management skills to support Code.Hub’s rapid growth and evolving business needs.Objectives:The primary objective of the&nbsp;Head of Operations&nbsp;is to ensure smooth, efficient, and scalable business operations. This includes aligning operational processes with company strategy, optimizing service quality, improving efficiency through innovation and automation, and building a resilient, high-performing operations team.Scope of Work:<ol><li>Strategic Leadership &amp; Guidance<ul><li>Advise and support the CEO in decision-making related to operations and resource management.</li><li>Oversee and guide Officers and other staff, ensuring accountability and performance excellence.</li></ul></li><li>Operational Policy &amp; Process Management<ul><li>Develop, implement, and update operational policies, procedures, and best practices.</li><li>Identify and execute initiatives for process automation, cost optimization, and service improvement.</li></ul></li><li>Resource &amp; Budget Oversight<ul><li>Manage operational budgets, monitor expenditures, and allocate resources effectively.</li><li>Oversee workload distribution to maximize efficiency and meet business goals.</li></ul></li><li>Compliance &amp; Risk Management<ul><li>Ensure adherence to company policies, legal requirements, and industry regulations.</li><li>Lead incident and problem management processes, ensuring minimal business disruption.</li></ul></li><li>Cross-Departmental Coordination<ul><li>Collaborate with all the assisted departments for the execution and excellence, and with Project Management to align operations with business objectives.</li><li>Drive synergy between departments for cohesive and efficient service delivery.</li></ul></li><li>Team Development &amp; Culture<ul><li>Lead, mentor, and develop the operations team, fostering skills enhancement and operational readiness.</li><li>Promote a culture of continuous improvement and accountability.</li></ul></li></ol>Qualifications:<ul><li>Education: Bachelor’s degree in Business Administration, Operations Management, or related field (Master’s degree preferred).</li><li>Experience: Minimum of 8+ years of progressive experience in operations leadership, ideally within a high-growth or scaling business environment.</li><li>Strategic &amp; Operational Leadership: Proven track record in developing policies, managing budgets, and optimizing business processes.</li><li>Analytical &amp; Financial Expertise: Proficiency in Microsoft Excel, including pivot tables, complex formulas, macros, and data modeling. Strong capabilities in budget creation, forecasting, and variance analysis to guide strategic decision-making. Expertise in financial projections translating operational data into forward-looking insights to anticipate business needs. Skilled in building and maintaining interactive dashboards (Excel, Power BI, or similar tools) to track KPIs and operational performance in real time.</li><li>Process &amp; Technology: Demonstrated success in process automation, cost optimization initiatives, and leveraging technology to improve productivity.</li><li>Collaboration &amp; Communication: Strong leadership, communication, and decision-making skills, with a history of fostering cross-functional collaboration across departments.</li><li>Organizational Excellence: Exceptional organizational and problem-solving abilities; able to prioritize, delegate, and execute in a fast-paced environment.</li><li>Personal Attributes: High level of integrity, resilience, adaptability, and commitment to continuous improvement.</li></ul>

Head Of Operations

As a Mid – Senior Software Engineer at their company, you will be responsible for analyzing, planning, developing, implementing, testing and maintaining various IT projects. You will have the chance to work on interesting projects and build your career.Responsibilities<ul><li>Develop frontend using Angular framework;</li><li>Develop and maintain Java EE/Angular applications;</li><li>Implementation, testing and documentation of enterprise level tailor made multi-tier applications;</li><li>Participate in the entire application lifecycle, focusing on coding and debugging;</li><li>Write clean code to develop functional web applications;</li><li>Build reusable code and libraries for future use;</li><li>Liaise with developers, designers and system administrators to identify new features.</li></ul>Qualifications<ul><li>Bachelor’s degree in Computer Science or other relevant field (i.e. Engineering);</li><li>Minimum 2-3 years of experience with the full software development lifecycle in developing Spring framework/Spring Boot or Java/JEE applications;</li><li>Solid background in Object Oriented Analysis and Design;</li><li>Excellent knowledge of Angular, Typescript, HTML, and CSS;</li><li>Excellent knowledge of JEE, Spring Boot, and ORM (JPA2, Hibernate);</li><li>Very good knowledge of Relational Databases (preferred Oracle DB, PostgreSQL);</li><li>Experience in Git, Maven, and Docker;</li><li>Excellent written and oral use of English.</li></ul>

Full Stack Software Engineer

We are looking for an Intern Software Engineer to join our team and support the development of a large-scale insurance digital transformation project. The role is ideal for a student eager to take their first professional step in software development and gain real experience in a modern frontend environment using Angular or Java.Key Responsibilities<ul><li>Contribute to the design, development, and testing of frontend components using Angular or Java.</li><li>Collaborate with the team to implement new features and resolve issues.</li><li>Participate in code reviews and documentation activities.</li><li>Learn and apply best practices in software engineering.</li></ul>Ideal Candidate Profile<ul><li>Academic or project experience with Angular or Java.</li><li>Strong motivation to learn and grow professionally.</li><li>Team spirit and willingness to collaborate in a structured environment.</li><li>GitHub profile demonstrating academic or personal work is highly valued.</li></ul>Project Context The internship is part of an ongoing Insurance Project, one of the largest and most digitally advanced insurance providers in Greece, focused on enhancing and modernizing its customer-facing digital services.If you are interested in starting your journey with us, we’d love to hear from you!

Internship – Software Engineer (Frontend – Angular / Java) NEW

We are looking for an Intern Software Engineer to join our team and support the development of a large-scale insurance digital transformation project. The role is ideal for a student eager to take their first professional step in software development and gain real experience in a modern Java-based environment.Key Responsibilities<ul><li>Contribute to the design, development, and testing of backend components using Java</li><li>Collaborate with the team to implement new features and resolve issues</li><li>Participate in code reviews and documentation activities</li><li>Learn and apply best practices in software engineering</li></ul>Ideal Candidate Profile<ul><li>Academic or project experience with Java</li><li>Strong motivation to learn and grow professionally</li><li>Team spirit and willingness to collaborate in a structured environment</li><li>GitHub profile demonstrating academic or personal work is highly valued</li></ul>Project Context The internship is part of an ongoing Insurance Project, one of the largest and most digitally advanced insurance providers in Greece, focused on enhancing and modernizing its customer-facing digital services.If you are interested in starting your journey with us, we’d love to hear from you!

Internship – Software Engineer (Java) NEW

Our client is a leading European IT solutions provider with a strong local presence and global structure. They deliver end-to-end tech solutions across diverse industries and are now growing their operations in Greece. To strengthen their Networking &amp; Security team, they are looking for a skilled Network Project Engineer to join their international environment and contribute to the delivery of complex and innovative network solutions.If you’re passionate about networking, security, and cutting-edge technologies — this is your next challenge.<h2>Your Responsibilities</h2><ul><li>Analyze complex questions and incidents from clients and provide solutions.</li><li>Set up new customer environments across different technologies.</li><li>Maintain and support network components (routers, switches, firewalls, load balancers, proxies, wireless, etc.).</li><li>Interact with client environments and occasionally visit customer sites.</li><li>Investigate and resolve network issues, ensuring minimal downtime and impact.</li><li>Create and maintain accurate documentation, procedures, and instructions.</li><li>Collaborate with the team to optimize and update monitoring tools.</li><li>Participate in on-call rotation (approx. every 8 weeks) and occasional after-hours project work.</li></ul><h2>Your Profile</h2><ul><li>Experience in the Networking &amp; Security field (at least 3 years in a similar Network Project Engineer role, or 5 years in Network Operations).</li><li>Bachelor’s degree in IT or related field.</li><li>CCNA certification (CCNP or equivalent advanced knowledge strongly preferred).</li><li>Strong knowledge of switching and routing protocols (TCP/IP, OSPF, BGP, VRF, MPLS).</li><li>Proven experience with firewalling (Checkpoint, Cisco ASA), VPNs, proxies (Bluecoat), load balancing (F5), wireless solutions (Aruba), SSLVPN (F5), and authentication systems (VASCO/RSA).</li><li>Proficiency in network monitoring tools (Nagios, SolarWinds, PRTG).</li><li>Hands-on experience with cloud platforms (AWS, Azure, Google Cloud) and virtualization (VMware, Hyper-V).</li><li>Strong track record in end-to-end project delivery: planning, design, implementation, and support.</li><li>Excellent communication and teamwork skills in an international environment.</li></ul><h2>What They Offer</h2><ul><li>A dynamic, multicultural team of 17 professionals across Europe.</li><li>Competitive salary and benefits package.</li><li>Flexible working schedule with hybrid possibilities.</li><li>Annual training and certifications with leading vendors (Fortinet, Cisco, Palo Alto, F5, etc.).</li><li>Continuous feedback, career development plans, and personal growth opportunities.</li><li>A collaborative and fun work culture with open-door policy, team-building events, corporate games, and more.</li></ul>

Network & Security Project Engineer

Our client is seeking a Senior Android Engineer / Team Lead to join their growing team in Greece. The ideal candidate will be a hands-on developer with strong experience in Kotlin, Java, and Android Automotive OS, capable of contributing to both software development and architecture, while mentoring and leading a small team.<h2>Key Responsibilities</h2><ul><li>Lead and mentor a small Android development team while remaining fully hands-on.</li></ul><ul><li>Design, develop, and maintain applications within the Android Automotive OS ecosystem. Contribute to software architecture and ensure integration with in-vehicle subsystems.</li></ul><ul><li>Collaborate with cloud and embedded teams across Germany and Romania</li><li>Ensure high-quality delivery through testing, code reviews, and performance optimization.</li></ul><h2>Tech Stack</h2>Backend: Java, Kotlin Frontend: Android Automotive OS, custom infotainment systems, UI integration Cloud / DevOps: Exposure to cloud systems, CI/CD environments Database: Embedded data handling Other Tools: Spark OS, proprietary App Store, navigation and connectivity modules<h2>Must-Have Skills</h2><ul><li>Strong experience with Kotlin and Java for Android development</li></ul><ul><li>Deep understanding of Android Automotive OS and infotainment systems</li></ul><ul><li>Proven experience in software architecture and system integration Excellent communication and leadership abilities</li></ul><ul><li>Hands-on, proactive approach in cross-functional international teams</li></ul><h2>Nice-to-Have Skills</h2><ul><li>Knowledge of C++ for embedded components</li></ul><ul><li>Familiarity with cloud connectivity and navigation features</li></ul><ul><li>Experience working with Agile and continuous delivery environments</li></ul><h2>Why Join Them</h2><ul><li>International projects and collaboration with teams in Germany and Romania</li></ul><ul><li>Work on cutting-edge automotive infotainment systems (e.g., Renault vehicles) Private health insurance, meal tickets (€120), training opportunities, and full equipment (laptop &amp; mobile)</li></ul><ul><li>A dynamic environment that promotes technical excellence and career growth</li></ul>

Senior Android Engineer / Team Lead NEW

The&nbsp;Senior Technical Consultant is primarily responsible for providing development, enhancement, troubleshooting and maintenance services on Banking Treasury applications.Job Responsibilities<ul><li>Designs and develops high-volume, low-latency applications for mission-critical systems and delivers high-availability and performance.</li><li>Contributes to all phases of the development lifecycle.</li><li>Proposes possible solutions to anticipated problems.</li><li>Confirms program operation by conducting tests.</li><li>Provides technical documentation for modules she/he is involved in.</li><li>Supports continuous improvement by investigating alternatives and technologies and presents these for architectural review.</li><li>Identifies, troubleshoots, and debugs defects in designated application code.</li></ul>Job Qualifications &amp; Skills<ul><li>BS/MS degree in Computer Science, Engineering or a related subject.</li><li>Strong professional development experience in Java &amp; SQL / PL SQL / T-SQL programming, to interrogate relational databases e.g. MSSQL, Oracle, PostgreSQL.</li><li>Good knowledge of complex data models and software integration/delivery.</li><li>Familiarity with development of procedures and scripts for data migration, custom reports, reconciliation processes etc.</li><li>Familiarity with tools that can aid with profiling server resource usage and optimizing it.</li><li>A good level in English language.</li><li>Strong analytical and problem-solving skills.</li><li>Ability to interpret product specifications and develop appropriate software modules to meet these requirements.</li><li>Ability to work effectively as part of a team with constant cooperation and interaction.</li><li>Experience of working in the Financial sector will be an asset.</li></ul>What They Offer<ul><li>Competitive and performance-based remuneration.</li><li>Private Medical &amp; Life Insurance Plan.</li><li>Meal Vouchers.</li><li>Training and Development opportunities in FinTech sector.</li><li>New experiences within a multinational environment and global teams.</li><li>Team spirit environment with passion for technology.</li><li>A Workplace of Diversity &amp; Inclusion.</li></ul>

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