Senior Java Software Engineer jobs in Athens – Page 2 | RoboApply Jobs

Senior Java Software Engineer jobs in Athens· Page 2

Results 21–40 of 504 for “Senior Java Software Engineer” in Athens.

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European Dynamics logo
Full-time|Remote|Remote — Athens, Attica, Greece

Are you a Junior Java Developer ready to embark on exciting software development projects? Join our innovative team based in Athens or work entirely remotely, contributing to impactful projects for significant international public organizations.Your Responsibilities: Create high-quality web and mobile applications utilizing cutting-edge software development …

Feb 2, 2026
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Aisera logo
Full-time|Remote|Greece

Senior Software Engineer - Conversational AI & Automation Aisera is at the forefront of AI Copilot solutions, leveraging AiseraGPT and Generative AI to revolutionize business operations and enhance revenue growth through a self-service model. Our AI Copilot employs industry-specific and domain-specific LLMs to create human-like interactions and automate requests through intelligent workflows. With over 400 integrations and more than 1200 pre-built workflows, we empower our clients to achieve over 75% automation and reduce costs by up to 90%. We have been recognized with numerous accolades, including FastCompany's Best Workplaces for Innovators, the Inc 5000 Award for Fastest Growth, Forbes AI50, EY Entrepreneur of the Year 2023, CNBC Upstart 100 Top Startup, Gartner Cool Vendor, and many more. Our experienced founding team has successfully led multiple startups and acquisitions. We foster a culture of responsibility and ownership, hiring individuals from diverse backgrounds and experiences. Our team members are empathetic towards our customers and each other, creating a supportive and innovative environment. Join our vibrant and fast-paced team, and be part of our mission to transform the industry. The Role: We are seeking a talented software engineer with extensive hands-on experience who can offer technical guidance and mentorship to team members. As a Senior Engineer, you will be instrumental in designing, developing, and maintaining our Conversational AI & Automation components and features, emphasizing microservices architecture. Your expertise in product development and technical leadership will significantly influence our innovative solutions and enhance existing products. This role is based out of Athens, Greece (Remote) Responsibilities: Design, build, and deliver scalable, real-time systems, prioritizing quality, scalability, and operability. Collaborate with product management, data science, and engineering teams to deliver end-to-end solutions that provide maximum business value to customers. Review and provide constructive feedback on technical designs and code modifications to ensure high availability, scalability, maintainability, and code quality standards. Troubleshoot and resolve complex technical issues that arise in production, ensuring timely resolutions. Proactively identify areas for technical improvement and implement solutions to enhance system performance.

Sep 30, 2025
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European Dynamics logo
Full-time|Remote|Remote — Athens, Attica, Greece

Are you an aspiring Junior Java Developer/Consultant looking to fast-track your career? Become part of our dynamic team at European Dynamics, where you can work from our offices in Athens or Crete, or remotely. Engage in pioneering software development initiatives on significant international projects for prestigious public organizations.Your Responsibilities: Create and implement tailored solutions utilizing Java, IBM Case Manager, and FileNet tools; Collaborate within a diverse, multi-national team environment. Qualifications: Bachelor's Degree in Electrical Engineering, Computer Science, or Software Engineering; Familiarity with J2EE, Web Services, REST, XML, JSON; Proficient in version control systems like Git and/or build tools like Maven. What We Offer:Your talent and commitment deserve recognition. Here's what you can anticipate as a member of our team:Attractive full-time salary;Comprehensive Private Health Coverage through the Company’s group program;Flexible Working Hours to suit your lifestyle;Access to State-of-the-Art Tools;Opportunities for Professional Development including language courses and specialized training;Career Advancement: Collaborate with some of the most innovative minds in the industry;A Vibrant Work Environment that promotes personal and professional growth through challenging objectives and mentorship.If you are ready for an exciting challenge, eager to work with cutting-edge technologies, and want to enjoy your work, we invite you to apply! Send your detailed CV in English, referencing: (JJDC/02/26).Explore our other job openings by visiting our career section at www.eurodyn.com and stay connected with us on Twitter (@EURODYN_Careers) and LinkedIn.About European Dynamics: European Dynamics is a prominent European company specializing in Software, Information, and Communication Technologies, with a global presence in cities like Athens, Brussels, Luxembourg, Copenhagen, Berlin, Stockholm, London, Nicosia, Valletta, Vienna, The Hague, and Hong Kong. Employing over 1100 professionals, including engineers and IT experts, we leverage cutting-edge technology to design and develop software applications. Our current IT projects exceed a value of 300 million EURO, and we are a trusted IT service provider to European Union Institutions, international organizations, European Agencies, and national governments across 40 countries and 4 continents.We are dedicated to fostering diversity in our workforce and uphold Equal Employment Opportunity without regard for race, color, national origin, gender, or any other characteristic.

Feb 2, 2026
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OpenBet logo
Full-time|On-site|Athens, Attica, Greece

The TeamOpenBet stands as a premier global authority in the realm of betting and gaming entertainment, relied upon by over 200 partners to craft unforgettable winning experiences for millions globally. From managing bets during monumental events such as the FIFA World Cup and Super Bowl to innovating next-generation products like Bet Builder, we are constantly reshaping the player experience with superior content, innovative technology, and advanced player protection measures.With a legacy spanning over 25 years, our unparalleled platform has fueled the most recognizable betting brands, guaranteeing peak performance with 100% uptime, unmatched scalability, and speed. Holding 85 licenses and counting, alongside 20 World Lottery Association operators in our clientele, we boast a robust team of over 1,200 experts across 14 countries. Join OpenBet to elevate your career and collaborate with a global team at the forefront of shaping the future of betting entertainment for millions.The GoalWe are in search of a driven and ambitious Senior .NET Software Engineer to propel Sportcast's growth from our European offices.As a Senior Software Developer within the Trading & Data Solutions team, you will engage in a cross-functional capacity, developing, deploying, and supporting various projects and initiatives. You'll have the chance to work on diverse projects, producing code that is both testable and maintainable. As a valued team player, your contributions will be instrumental in team design, scoping, and prioritization discussions. This team is dedicated to assisting the business in achieving scalability through automation.Your role will encompass the development and maintenance of real-time systems.What You’ll Be DoingAnalyze and question business requirements critically.Actively participate in solution design efforts.Ensure our systems' performance, security, and availability.Develop high-quality, high-performing code aligned with business needs.Optimize solutions to support service levels while minimizing cloud expenses.Mentor fellow team members.Automate processes wherever feasible.Challenge existing practices to enhance our patterns, standards, and procedures throughout the organization.The Player5+ years of experience with .NET/.NET Core and C#Familiarity with Unit Testing, serverless technologies like Azure Functions, and containerized microservices using Azure Container Apps or AWS equivalentsExtensive expertise in SQL-based databases, including MSSQL and PostgreSQL, with a strong grasp of query optimization, indexing strategies, and performance tuning for large-scale, high-throughput applicationsProficient in utilizing GitHub Copilot and Cursor AI to enhance development speed while ensuring secure and compliant coding practices

Feb 26, 2026
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Arista Networks, Inc. logo
Full-time|On-site|Athens

Role Overview Arista Networks is looking for a Senior Software Engineer with deep experience in Linux Kernel development and C++. This position is based in Athens. What You Will Do Design and implement software solutions that improve performance and reliability for Arista’s products. Work closely with other teams to troubleshoot, analyze, and optimize existing Linux Kernel code. Develop new features and functionality, helping to ensure systems remain efficient and scalable. Contribute technical expertise to support Arista’s networking solutions. Who We’re Looking For Strong background in Linux Kernel development. Proficient in C++. Skilled at collaborating with cross-functional teams. Experienced in troubleshooting and optimizing complex systems.

Apr 20, 2026
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AbZorba Games logo
Full-time|Remote|Remote — Athens, Attica, Greece

Join AbZorba Games, a leading studio within Greentube and NOVOMATIC Interactive, renowned for crafting exceptional social casino games. As we enhance and expand our mobile casino application, 'Diamond Cash Slots', we are on the lookout for a talented Senior Back-End Software Engineer to enrich our dynamic development team.In this role, you will be the architect of the core mechanics behind our slot games and the underlying server-side logic that shapes player experiences. Your key responsibilities will include designing, developing, and maintaining robust back-end systems that support our array of slot titles. This encompasses everything from implementing core game features to ensuring our game servers' integrity and performance. Collaborating with game designers, front-end developers, and product stakeholders, you will help breathe life into innovative slot games and features.The ideal candidate will be enthusiastic, team-oriented, and possess a solid grasp of Game Dynamics.Note: This position is fully remote but will require occasional travel to our Athens office every few months for team meetings and workshops. Therefore, preference will be given to candidates residing in Greece.

Mar 16, 2026
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Causaly logo
Full-time|On-site|Athens

Founded in 2018, Causaly is revolutionizing enterprise-scale scientific research with its advanced AI platform, enhancing human productivity. Our innovative technology empowers researchers to discover, visualize, and interpret biomedical knowledge while automating essential research workflows, driving progress against significant global health challenges.We collaborate with some of the largest biopharmaceutical companies and institutions worldwide, addressing diverse use cases in Drug Discovery, Safety, and Competitive Intelligence. To learn more about how we facilitate knowledge acquisition and enhance decision-making, explore our informative blog posts here: Blog - CausalyOur company is backed by leading venture capital firms, including ICONIQ, Index Ventures, Pentech, and Marathon.

Mar 4, 2026
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Sleed logo
Full-time|On-site|Athens, Attica, Greece

Sleed is a distinguished web development and digital marketing agency with extensive experience in the industry. We are currently seeking a talented Mid/Senior .NET Software Engineer to enhance our dynamic team at our Tech Hub located at L. Athinon 100, Athens.The ideal candidate will play a pivotal role in the development, architectural design, and implementation of innovative software solutions and business projects. As part of our development team, you will collaborate closely with Project Managers to ensure all software projects align with client requirements and deadlines.Our team specializes in creating a diverse range of web applications, e-commerce platforms, websites, dashboards, and custom applications. We are looking for a professional who possesses solid experience in .NET Core development, particularly within e-commerce environments. Additionally, the Mid/Senior .NET Software Engineer will mentor junior developers, identifying their training needs and guiding their professional growth.In this role, you will also advise the organization on future technological advancements and opportunities, ensuring we remain on the cutting edge of technology.Your day-to-day responsibilities will include:Providing innovative solutions to technical challenges and project requirements.Contributing to performance profiling, troubleshooting, and resolving production issues.Collaborating with the project management team to define implementation strategies and providing accurate time and effort estimates.Consulting on process enhancements, tool improvements, and the adoption of new technologies.Designing, maintaining, and documenting APIs and application components.Integrating user-facing elements with server-side data.Ensuring the technical feasibility of UI/UX designs.Optimizing applications for speed and scalability.Adhering to secure coding practices to ensure application security and protection of sensitive data.Collaborating effectively with other team members and stakeholders.Supporting less experienced engineers through pair programming and knowledge sharing.Implementing automations for repetitive or complex administrative tasks.Delivering results in accordance with agreed timelines.Testing deliverables to ensure quality standards.

Feb 5, 2026
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Skroutz logo
Full-time|On-site|Athens, Attica, Greece

Join Skroutz, where our mission is to deliver extraordinary experiences. Since our inception in 2005, we have believed that satisfied customers lead to satisfied merchants, driving us to understand and fulfill their needs while providing a seamless shopping journey.Our ambition is to transform into the Everyday App, the preferred platform for millions to meet their online shopping requirements. From the latest smartphone to essential pantry items, stylish outfits, or collectible gaming consoles, Skroutz is your reliable partner for effortless shopping.With aspirations that extend beyond Greece, we are on the path to becoming one of Europe's fastest-growing Marketplaces, with exciting ventures underway in Cyprus and the Balkans. Our commitment to customer satisfaction shapes every decision we make.We are looking for passionate individuals who thrive in the intersection of e-commerce and technology. If your drive is to create remarkable shopping experiences for users while enabling sellers globally to thrive, we want you on our team.At Skroutz, be a part of a transformative journey that redefines online shopping. Together, let’s turn everyday moments into exceptional experiences.Are you ready for the challenge?#AimToAmazeOur Engineering ValuesMaster your craft and take pride in your work.Deliver early and iterate based on feedback.Collaborate and be proactive within your team.Avoid over-engineering and focus on simplicity.Enjoy the process and celebrate achievements.Technologies We UseOur primary stack includes Ruby for backend development, utilizing the Ruby on Rails framework, alongside Javascript (ES6) and React/Redux for frontend. We leverage a MariaDB cluster for storage, with extensive use of Elasticsearch, Kafka, MongoDB, Redis, and Memcached. Jenkins is our go-to for CI, and we utilize tools like Sentry, DataDog, and Grafana for monitoring purposes. We consistently seek the most effective tools tailored to our needs. Discover more about our projects on our Engineering blog.Your Contribution to Skroutz's VisionWe are searching for Senior Backend Software Engineers with a robust technical background...

Jan 7, 2026
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IKH logo
Full-time|On-site|Athens, Attica, Greece

IKH is a premier Software and Robotics Solutions provider recognized for its innovation and international reach. Over the past few years, our team has expanded by over 80%, relocating to a new, spacious, and modern office. As we embark on an exciting journey into 2026, we are launching several new projects focusing on digital transformation, custom software development, and robotics.We are seeking a skilled Java Application Developer with robust technical capabilities and extensive experience to contribute to our challenging outsourced projects.Key Responsibilities:Design, develop, test, and maintain advanced Java applications utilizing Spring Boot, Spring Batch, and Vaadin framework (version 14 or later)Create reliable, scalable, and efficient web services using REST and SOAP protocolsConfigure and deploy Java applications on JEE application servers like Websphere, Weblogic, and JBossDesign and implement effective database solutions with RDBMS, preferably DB2Collaborate with the development team to uphold high-quality coding standardsEngage in code reviews to ensure code is maintainable, scalable, and efficientTroubleshoot and resolve complex Java application issuesWork closely with the QA team to ensure applications meet quality benchmarksParticipate in technical discussions, contributing to the design and architecture of applicationsCollaborate with cross-functional teams to deliver projects within specified timelines and budgetsStay informed on the latest advancements in Java and related technologies

Jan 22, 2026
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European Dynamics logo
Full-time|Remote|Remote — Athens, Attica, Greece

Join our dynamic team as an IBM Filenet / Java Developer, where you will work either from our Athens office or fully remotely. In this role, you will collaborate with a talented software development team to deliver innovative IT solutions for prominent international public organizations. Our company is committed to your professional growth, providing comprehensive training and resources to help you achieve your career aspirations.Your Responsibilities:Design and develop high-quality web and back-end software utilizing the latest development techniques and technologies.Engage in software architecture design and contribute your insights.Collaborate within a diverse, multinational team environment.

Feb 2, 2026
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netcompany1 logo
Full-time|On-site|Athens

About the Role netcompany1 is looking for a Software Engineer / Consultant in Athens. This role involves building software solutions and working closely with colleagues to deliver projects that match client requirements. What You Will Do Develop and implement software based on project goals Work alongside a team of engineers and consultants Contribute to delivering reliable, high-quality results for clients Who We’re Looking For Interest in technology and solving complex problems Ability to collaborate with team members If this sounds like a fit, netcompany1 would like to connect.

Apr 16, 2026
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Renesas Electronics Corporation logo
Associate Software Engineer

Renesas Electronics Corporation

Full-time|On-site|Kallithea, Athens

Role overview Renesas Electronics Corporation seeks an Associate Software Engineer to join its team in Kallithea, Athens. This entry-level position involves supporting the creation of new software solutions while working closely with experienced engineers. The role provides practical experience with modern technologies and the opportunity to contribute to ongoing projects. What you will do Collaborate with team members to design, develop, and test software components Participate in team projects and take part in code reviews Gain knowledge and skills from experienced colleagues in a supportive environment Work environment The team emphasizes collaboration and ongoing professional development. Mentorship and skill-building are part of daily work, creating a setting where learning and growth are encouraged.

Apr 28, 2026
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Renesas Electronics Corporation logo
Embedded Software Engineer

Renesas Electronics Corporation

Full-time|On-site|Kallithea, Athens

Role overview Renesas Electronics Corporation seeks an Embedded Software Engineer for its Kallithea, Athens location. The position centers on developing embedded systems used in a range of applications. Teamwork across multiple functions is essential, as projects often require input from colleagues in different areas. What you will do Design and implement software tailored for embedded systems Collaborate with cross-functional teams to deliver integrated solutions Optimize existing code and support ongoing system improvements

Apr 22, 2026
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GRNET S.A. logo
Full-time|On-site|Athens, Attica, Greece

At GRNET S.A., we are dedicated to bridging the digital divide by providing top-tier Internet connectivity and e-Infrastructures to the Greek Educational, Academic, and Research community. Our mission is to facilitate equal participation in the global Society of Knowledge, serving sectors such as Education, Research, Health, and Culture.We are currently seeking a talented Java Developer to join our innovative team. In this role, you will be instrumental in designing and implementing solutions that expand our service portfolio, which features scalable and modular offerings for big data analytics (e.g. ARGO Monitoring Service) and Identity Management (e.g. RCIAM).As part of our team, you will contribute to the development of services for the European eInfrastructures, including the European Open Science Cloud (EOSC), and support the European research and education community.You will collaborate with a group of highly skilled engineers committed to delivering critical services while ensuring optimal availability, performance, and security. Our team thrives on innovation, automation, and the pursuit of excellence, providing substantial value to GRNET and its users.

Oct 8, 2024
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Welcome Pickups logo
Full-time|On-site|Athens, Attica, Greece

Join Our Journey at Welcome!Established in 2015 in Athens, Greece, Welcome is revolutionizing travel experiences by offering more than just a transfer service. We are pioneers in delivering a comprehensive and personalized journey for travelers from their arrival to their departure. Welcome Pickups caters to every travel need, providing seamless transfers, engaging sightseeing tours, and invaluable local insights in the most user-friendly and personalized manner. Our drivers are not just transporters; they are local experts who enhance travelers' experiences, making them feel at home no matter where they are. Our commitment to safety is paramount, featuring contactless rides, stringent cleaning protocols, and protective equipment for every journey.As a rapidly growing travel tech startup, Welcome is quickly establishing itself as a global leader in in-destination travel services.Rated 4.9/5 stars, we are among the highest-rated global transportation companies.We service over 300 destinations with plans to expand to 350 by 2024.Our network includes over 4,000 travel partners, including 2,500 hotels and numerous vacation rentals, welcoming over 50 new partners each month.We delight over 2.5 million travelers annually.⭐ Dive deeper into the culture of Welcome by visiting our TikTok account.⭐About Our TeamOur team is a vibrant mix of diverse individuals passionate about travel and dedicated to quality. Each member is committed to Welcome's vision and works tirelessly to achieve it. We think outside the box, prioritize design and usability, and strive to create unforgettable experiences. We are committed to continuous learning and personal and professional growth while maintaining a humble, 'pay it forward' mindset and ambitious goals.Role OverviewAs a Backend Software Engineer, you will play a pivotal role in transforming our vision into tangible products. Your contributions will directly impact the travel experience for users, drivers, and partners. You will be responsible for enhancing our tech infrastructure and optimizing the code that powers our production servers, ensuring a flawless user experience.In the past 18 months, our full-stack approach has yielded remarkable results. Our engineers focus primarily on back-end development, working on logic, APIs, and databases, while also having the capability to build functional UI using React.

Jan 27, 2026
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Agile Actors logo
Full-time|On-site|Athens, Attica, Greece

Who are we?At Agile Actors, we are a dynamic tech company dedicated to enhancing and empowering technical teams for both international and Greek clients. Our distinctive approach combines coaching, continuous learning, and innovation, creating a thriving ecosystem where professionals not only contribute but also grow.Joining Agile Actors means being part of diverse, high-performing teams that work on cutting-edge solutions for global leaders in their industries, including Austrian Post, Red Hat, and Swissquote.Work should be more than just a job; it should be a place where individuals can thrive. We are proud to hold the title of a Great Place to Work 2026, affirming our commitment to fostering an environment where talent, passion, and growth can flourish.

Dec 19, 2025
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European Dynamics logo
Full-time|On-site|Athens, Attica, Greece

Join our dynamic team at European Dynamics as a highly motivated Full Stack Developer. This position offers an exciting opportunity to work on complex and demanding projects, particularly within the framework of the Horizon 2020 program. You will collaborate with a team of expert Full Stack Developers and DevOps Engineers, utilizing cutting-edge technologies such as Java EE multi-tier architecture to tackle challenging IT software projects.Key Responsibilities: Analyze, design, develop, and maintain sophisticated web-based Java applications as part of a highly skilled team that adheres to professional standards and methodologies; Deliver quality software that meets system specifications and aligns with company standards and quality requirements; Contribute to project and system documentation, creating comprehensive technical documents; Support business development through customer requirement analysis, effort estimation, and solution concept design, both in-house and on-site with international clients; Lead the evolution of development processes and methodologies by proposing innovative ideas.

Feb 2, 2026
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netcompany1 logo
Full-time|On-site|Athens

Join our dynamic team at netcompany1 as a Junior Software Engineer! We are looking for enthusiastic individuals who are eager to learn and grow in a collaborative environment. This is a fantastic opportunity for recent graduates or those early in their careers to gain hands-on experience in software development.

Jul 4, 2025
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netcompany1 logo
Full-time|On-site|Athens

Role Overview netcompany1 is hiring a Junior Software Engineer/Consultant in Athens. This position offers the chance to work alongside seasoned engineers on a range of software projects. The work involves designing, developing, and implementing software solutions for clients. What You Will Do Contribute to software design and development tasks Work with experienced engineers to build and improve products Collaborate with clients to understand needs and deliver solutions Apply different technologies and development methodologies What You Will Gain Hands-on experience across various technologies Exposure to industry best practices Opportunities to learn from a skilled engineering team

Apr 16, 2026

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