Senior Backend Developer

Join our innovative team as a Senior Java Developer at accepted-ltd, where you will play a crucial role in designing and implementing robust software solutions. Your expertise in Java development will be essential as you collaborate with cross-functional teams to deliver high-quality products that meet our clients' needs.

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 techniques and technologies; Engage in software architecture design and contribute your ideas; Collaborate effectively within a diverse, multi-national team. Essential Qualifications: A Bachelor's Degree in Electrical Engineering, Computer Science, or Software Engineering; Strong analytical skills, team-oriented mindset, and a passion for learning and excellence; Practical experience in Java web development; Familiarity with database systems; Proficiency in English, both written and spoken. Preferred Qualifications:Experience with technologies such as Spring, Angular/React, Spring Cloud, JPA/Hibernate, Git, and Maven/Gradle will be a plus.What We Offer:We value talent and dedication and believe in rewarding our team members. Here’s what you can look forward to:Attractive full-time salary;Comprehensive private health insurance via the company’s group program;Flexible working hours;Access to advanced tools and technologies;Opportunities for professional development including language courses and specialized training;Career advancement prospects working alongside some of the industry's most innovative specialists;A dynamic and supportive work environment that encourages personal and professional growth through challenging goals and mentorship.If you're looking for an exciting challenge and wish to work with some of the latest technologies, we would love to hear from you! Please send your updated CV in English, referencing: (JJD1/02/26).Explore our other job openings by visiting our career page and follow us on Twitter (@EURODYN_Careers) and LinkedIn.About European Dynamics: European Dynamics is a prominent European Software, Information, and Communication Technologies firm with an international presence, employing over 1100 engineers, IT experts, and consultants across various locations including Athens, Brussels, Luxembourg, Copenhagen, and London. We specialize in designing and developing integrated software applications.

Are you an enthusiastic Junior Java Developer eager to become a key player in a vibrant team? Join us in Athens or work remotely, collaborating with our innovative software development unit on exciting IT initiatives for prominent international public sector organizations.Your Responsibilities: Create web and back-end applications utilizing cutting-edge software development methodologies and technologies; Engage in software architecture design and contribute valuable insights; Operate within a diverse, multi-national team environment. Essential Qualifications: Bachelor's Degree in Information Technology, Computer Science, or Software Engineering; Proficiency in Java programming; Familiarity with database systems and SQL. Preferred Qualifications:Experience with technologies such as Git, Maven, Python, or Spring Framework will be advantageous.Perks of Joining Our Team:At EUROPEAN DYNAMICS, we value and reward talent and commitment. Here are some benefits you can expect:Attractive full-time salary;Comprehensive Private Health Coverage under the Company’s group program;Flexible Working Hours to suit your lifestyle;Access to top-tier tools and technologies;Opportunities for Professional Development, including language courses, specialized training, and continuous learning;Career Advancement: Collaborate with some of the most forward-thinking specialists in the industry;A Dynamic Work Environment that encourages challenging goals, autonomy, and mentorship, promoting both personal and organizational growth.If you're ready for an exciting challenge, eager to work with innovative technologies, and want to enjoy the process, we invite you to apply! Submit your detailed CV in English, referencing: (JJP/02/26).Explore our other open positions by visiting our careers page at www.eurodyn.com and follow us on Twitter (@EURODYN_Careers) and LinkedIn.

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.

Are you an enthusiastic Java/Web Developer eager to embark on a fulfilling journey with opportunities for professional growth? Join our innovative team at European Dynamics, where you can work fully or partially remotely, or from one of our offices in Athens or Thessaloniki. If you're located elsewhere in Greece, you can also start your remote journey with us. You will collaborate with a friendly project team dedicated to building sophisticated applications for prominent public organizations across Germany, Austria, and Switzerland. We are committed to maintaining high standards in software development and offer ongoing coaching and training to enhance your skills. A basic understanding of German, coupled with a desire to improve, is preferred.Your Responsibilities:Engage in the design and development of advanced web applications;Develop, test, and maintain large-scale applications;Foster effective teamwork and collaboration;Uphold software quality standards;Create technical documentation.Essential Qualifications:Bachelor's degree in Computer Science or a related technical field, or equivalent experience;Passion for programming and proficiency in Java;Strong team player focused on quality;Fluency in English and German.Desirable Qualifications:Experience with Java, front-end frameworks (e.g., Angular), web services (REST or SOAP), Spring Boot, microservices, object-relational mapping (e.g., Hibernate), XML, and/or databases (e.g., SQL) is advantageous.What We Offer:We value and reward talent and commitment. Here’s what you can expect as part of our dynamic team:Competitive full-time salary;Comprehensive private health coverage through the company’s group program;Flexible working hours;Access to top-tier tools;Professional development opportunities, including language courses and specialized training;Career advancement prospects while working alongside some of the most innovative specialists in the industry;A dynamic work environment that encourages personal and company growth through challenging goals, autonomy, and mentorship.If you’re ready for an exciting challenge, eager to work with cutting-edge technologies, and enjoy your work, we invite you to apply! Please submit your detailed CV in English, referencing: GJW1/02/26.Explore our other open positions by visiting our careers page at www.eurodyn.com and follow us on Twitter (@EURODYN_Careers) and LinkedIn.

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

IKH is a premier Software and Robotics Solutions provider making significant strides in the global market. Over the past few years, our team has expanded by over 80%, leading us to relocate to a modern, spacious office. As we embark on 2025, we're excited to introduce several innovative projects focused on digital transformation, custom software development, and robotics.We are currently seeking a talented Senior Java Software Engineer with a robust technical background and extensive experience to tackle challenging outsourced projects.In this position, you will not only develop complex project tasks but also supervise the development efforts of junior developers. You will analyze functional requirements and decompose tasks for team assignment.To thrive as a Senior Software Developer, you should possess profound knowledge of Java technologies and exhibit strong leadership capabilities. Exceptional communication skills are essential as you will collaborate with clients and various development teams.Your Daily Responsibilities:Design, develop, and maintain the back-end of large-scale web-based Java EE/Spring applications.Engage in technical analysis, documentation, implementation, and integration.Test and manage early support for core software tools and assets developed during software projects.Translate requirements into functional specifications.Employ BDD (Behaviour-Driven Development) methodology in coding and software implementation.Align solutions with client needs, particularly in collaboration with the architecture team.Execute integrations with other applications and developed modules.Provide assistance with deployment and configuration management.

Role overview Ballys Central Lotsa is looking for a Senior Java Software Engineer in Athens, Attikí, Greece. This position focuses on designing, building, and maintaining complex software systems that support core business needs. What you will do Design, implement, and support Java-based software solutions Work with teams across disciplines to clarify and refine project requirements Help ensure deliverables meet quality standards and business goals

Are you eager to explore the exciting opportunity of becoming a Java Software Engineer at Netcompany?As a member of our dynamic agile teams, you will engage in large-scale transformation projects for global clients across diverse and stimulating sectors including European Institutions, Telecoms, Sports Betting & Lotteries, Fintech, Healthtech, and Public Domain (next-gen).In your role as a Java Software Engineer, you will be responsible for:Designing, developing, and maintaining the back-end of extensive web-based Java EE applicationsParticipating in the technical analysis, documentation, implementation, and integration of robust applicationsTesting and managing early life support for core software tools and assets produced during software development projects

The TeamOpenBet stands as a premier global provider in the betting and gaming entertainment industry, partnered with over 200 clients to craft unforgettable winning moments for millions of players globally. From managing bets during landmark events such as the FIFA World Cup and the Super Bowl to developing innovative products like BetBuilder, we are committed to enhancing the player experience with top-tier content, state-of-the-art technology, and robust player protection mechanisms.For more than 25 years, our unparalleled platform has fueled the most prominent betting brands, maintaining optimal performance with 100% uptime, unmatched scalability, and rapid response times. With 85 licenses and a clientele that includes 20 operators from the World Lottery Association, our team of over 1,200 experts across 14 countries remains at the forefront of the industry. Join OpenBet and elevate your career by being part of a dynamic global team that is shaping the future of betting entertainment for millions.The GoalAs a Senior Software Engineer at OpenBet, you will gain exposure to vital systems, along with comprehensive training and mentorship to advance both our software and your professional growth.Your Responsibilities:Develop new features and functionalities for high-transaction, large-scale betting platforms and systems;Lead design and code reviews;Identify and resolve performance bottlenecks in the software;Design modular, scalable, and portable solutions; spearhead enhancements to system architecture;Mentor, guide, and potentially manage junior software engineers;Collaborate with customer stakeholders to communicate complex technical concepts.Your Profile:A bachelor’s degree in computer science, engineering, or information systems from a recognized institution;Proven programming proficiency in Java;Strong foundational programming skills (data structures, algorithms);Experience in database design and optimization (any vendor);Familiarity with web technologies and internet protocols (SOAP, WS-*, ReST, XML, HTTP, TCP/IP);Exceptional communication skills, both written and verbal;6+ years of professional software development experience.Preferred Skills and Experiences:Experience in Linux development;Proficiency in TCL;Web development experience with React, HTML, HTML5, and CSS;Knowledge of Agile methodologies, Scrum, BDD, TDD;Experience with Jenkins or other CI tools;Good understanding of Git or other version control systems;Scripting knowledge in Bash, Perl, Python, and JavaScript;Experience developing software that integrates with third-party systems;Background in software development for high-availability environments.

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.

Role Overview Intralot is seeking a Senior Software Engineer with strong Java expertise to help build and improve software for gaming and lottery systems. This role focuses on designing and developing solutions that support the company's products and services. What You Will Do Develop and maintain Java-based applications for gaming and lottery platforms. Collaborate with team members to solve technical challenges and deliver new features. Contribute to the architecture and design of scalable, reliable systems. Location This position is based in Athens, Attikí, Greece.

Are you an enthusiastic and skilled Senior .NET Developer seeking your next career opportunity? Join our team at European Dynamics, where you can work remotely from Athens, Crete, or Thessaloniki, and engage in exciting IT software projects for prestigious international public organizations.Your Responsibilities: Develop and maintain sophisticated web-based applications using .NET and .NET Core; Engage in all phases of the software development lifecycle, including design, implementation, testing, documentation, and maintenance of system components; Collaborate with a diverse team in a multinational setting, maintaining high standards of professionalism; Deliver high-quality software solutions. Essential Qualifications: Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field; Demonstrated analytical skills, team-oriented mindset, and a passion for learning and excelling; Deep understanding of Software Engineering principles; Extensive knowledge of .NET/.NET Core, web technologies, and database management; Proficiency in C# programming; Familiarity with JavaScript and TypeScript; Fluent in English, both spoken and written; Strong expertise in ASP.NET Core, MVC, unit testing, Entity Framework Core, MS SQL Server, REST Web Services, Visual Studio, Azure DevOps, and Git. Preferred Qualifications: Experience with .NET 5 or 6, Angular or React, Azure or Kendo UI, Office 365/SharePoint, MS Azure, SOA Architecture, Event Driven Architecture, or Microservices is highly valued; Relevant Microsoft Certifications are an advantage. Why Join Us?At European Dynamics, we value talent and dedication. Here’s what you can look forward to:Attractive full-time salary;Comprehensive private health coverage through the company’s group program;Flexible working hours;Access to cutting-edge tools;Opportunities for professional development, including language courses and specialized training;Career advancement with a team of innovative and experienced specialists;A dynamic work environment that offers challenging goals, autonomy, and mentorship, fostering both personal and organizational growth.If you are eager for an exciting challenge and want to work with advanced technologies, we invite you to submit your comprehensive CV in English, referencing: SND/02/26.Explore all our current job openings by visiting our careers page: www.eurodyn.com.

Are you a driven Software Engineer with a strong passion for Java? This is your chance to become a key player in a vibrant team based in Athens!Your Responsibilities: Engage in the analysis, design, development, and maintenance of intricate web-based Java applications, collaborating within a dedicated team that upholds exceptional professional standards. Participate actively in all stages of the software development lifecycle. Craft well-structured, testable, efficient code that meets high standards. Guarantee the delivery of superior software that aligns with system specifications, quality benchmarks, and company guidelines. Contribute to comprehensive project and system documentation while producing technical documentation. Foster continuous improvement by exploring alternative technologies and presenting findings for architectural evaluation. Your Qualifications: Master's or Bachelor's degree in Computer Science, Software Engineering, or a related technical discipline, or equivalent professional experience. A minimum of 4 years of demonstrable experience in the software development lifecycle utilizing Java. Proficiency in Web services, RESTful services, JSON, and XML. Experience with SQL databases (MySQL, PostgreSQL, etc.) and/or NoSQL databases (Cassandra, MongoDB, in-memory grids). Familiarity with application servers such as Wildfly, Thorntail, and/or Spring Boot is highly advantageous. What We Offer:We value talent and commitment. Here’s what you can expect when you join our team:Attractive full-time salary;Comprehensive Health Coverage through the company’s group program;Flexible Working Hours;Access to Cutting-edge Tools;Professional Development opportunities including language courses, specialized training, and ongoing learning;Career Progression: Collaborate with some of the most innovative specialists in the industry;A Dynamic Work Environment: Excel in a setting that promotes challenging goals, autonomy, and mentorship, facilitating both personal and organizational growth.If you are eager for a stimulating challenge, ready to work with cutting-edge technologies, and enjoy your craft, we encourage you to apply! Please submit your detailed CV in English, referencing: (SSE/02/26).Explore all our available positions by visiting our career section at www.eurodyn.com and connect with us on Twitter (@EURODYN_Careers) and LinkedIn.European Dynamics (www.eurodyn.com) is a prominent European company specializing in Software, Information, and Communication Technologies, operating on an international scale.

ATCOM S.A. leads the web development industry in Greece, delivering a wide range of large-scale web projects and solutions across various sectors, including e-commerce, travel, intranets, news portals, and other significant web applications for both the private and public sectors. As the largest web development company in Greece, we truly value every team member who contributes to our success. We believe in empowering our teams and individuals, which is why we seek passionate, self-motivated professionals who strive to accomplish their goals independently. We want you to love what you do and create exceptional web solutions.As our products are built on Microsoft technologies, we are in search of a talented and highly productive Senior .NET/C# Web Developer to join our skilled team. Here, you will have the opportunity to work on some of the most exciting and challenging web projects in Greece. We thrive in a fast-paced, dynamic environment and utilize cutting-edge web technologies to achieve outstanding results.

Join Interweave as a Senior WordPress Developer and play a pivotal role in shaping digital experiences across various platforms and channels, including products, websites, mobile apps, and marketing campaigns. You will work alongside a dynamic team of strategists, marketers, information architects, UX designers, and copywriters to create outstanding online brand experiences.We are passionate about leveraging WordPress to drive business transformation, and we are eager to welcome a skilled Senior WordPress Developer to our team. Your expertise will help us continue delivering exceptional websites and applications that exceed our clients' expectations.The ideal candidate will possess a robust portfolio showcasing their expertise in front-end development and a passion for exploring and implementing cutting-edge technologies. You should be well-versed in software development methodologies while demonstrating flexibility to thrive in an agency environment.Mindset:We are looking for someone who: Is passionate about their craft Maintains a positive attitude and approaches challenges with a solution-oriented mindset Exhibits a balance of critical thinking and proactive execution Collaborates effectively in a team setting, sharing knowledge and expertise Seeks personal and professional growth to enhance the quality of their work Stays current with the latest technological innovations and trends Embodies honesty and a sense of fun Demonstrates meticulous attention to detail About UsINTERWEAVE: Rebels in Business - Consulting | Creative | Technology At Interweave, we are an innovation-driven company with technology and insights at our core. Our mission is to drive transformative change.We bring together strategy consultants, innovators, and creative makers to break down silos and blend disciplines with industry expertise and entrepreneurial spirit. Serving as your partner for change and growth, we operate globally from offices in London, Athens, and the UAE, and have received over 50 global awards for our projects across more than 40 countries. Campaign UK has recognized us as one of the Top 11 World's Independent Agencies, and our CEO has been honored as one of the Top 10 CEOs and Leaders in the UK, earning a spot on the prestigious BIMA100 list. We are proud members of WPI, a global network comprising 120 offices across 48 countries.About our Technology Team: By joining our IW Lab, you will engage in developing and executing projects that span various platforms and channels, including products, platforms, websites, mobile apps, web applications, and campaign landing pages. Collaborating with technologists, developers, UX/UI designers, information architects, product managers, creatives, strategists, marketers, and copywriters, you will contribute to building exceptional products and online brand experiences.

Join Our TeamAt OpenBet, we pride ourselves on being a premier global leader in betting and gaming entertainment. Trusted by over 200 partners worldwide, we are dedicated to creating unforgettable winning moments for millions of players. Our innovations have transformed the player experience, from processing bets during major events such as the FIFA World Cup and Super Bowl to developing cutting-edge products like BetBuilder. We are committed to delivering high-quality content and advanced player protection tools.For more than 25 years, our industry-leading platform has powered the most recognizable betting brands, ensuring peak performance with 100% uptime, unmatched scale, and speed. With 85 licenses and a team of over 1,200 experts across 14 countries, we continue to be at the forefront of the industry.Your MissionWhat You Will DoDevelop and enhance features for high-transaction, large-scale betting websites.Engage in design and code reviews to ensure quality and efficiency.Identify and resolve performance bottlenecks within the software.Create modular, scalable, and portable solutions.Contribute to the overall system architecture while designing components that align with our objectives.Work on full stack, end-to-end solutions.Collaborate with and learn from seasoned team members.Your ProfileWhat You BringIf you are the right candidate for this Software Engineer role, you will have:A minimum of 3 years of hands-on experience in designing and developing applications using Java Enterprise platforms, particularly in UNIX/Linux environments.Proficiency in the Spring framework (Spring Boot, Spring MVC).Strong understanding of Relational Databases, SQL, and ORM technologies such as JPA and Hibernate.Experience in developing distributed systems with a solid grasp of concepts like caching, interprocess communication, and brokering.Excellent communication skills, both written and verbal.Familiarity with microservices architecture and distributed systems.A quick ability to learn and adapt to new technologies.Experience with Test-Driven Development (TDD) and/or Behavior-Driven Development (BDD).Bonus QualificationsExperience developing applications on Unix/Linux.Familiarity with web technologies and internet protocols (REST APIs, JSON, XML, HTTP, TCP/IP).Experience with Maven and automated testing frameworks.Knowledge of third-party system integration.Familiarity with messaging systems such as Kafka and RabbitMQ.Experience with version control (Git), CI/CD tools (Jenkins, Bitbucket), and containerization technologies (Docker, Kubernetes).Knowledge of infrastructure-as-code tools (Terraform, Ansible).Experience with cloud services, preferably AWS.Scripting skills in Bash, Perl, Python, or JavaScript.

Join our dynamic team as a Senior Android Developer at Betsson Group!What We SeekCollaborate with top industry talents.Develop high-traffic applications for a global audience.Take pride in your contributions and our shared success.Enjoy a supportive atmosphere with professional growth opportunities.Become part of our diverse Betsson community.Preferred QualificationsProficient in Kotlin and experienced with Android's frameworks and native capabilities.Familiarity with Firebase and its suite of tools, including analytics and messaging services.Strong analytical skills with experience in app tracking and data-driven decision-making.Experience with RESTful APIs and tools like Postman.Knowledge of GitHub pipeline setups.Ability to create high-quality Android user interfaces and animations.Expertise in developing scalable and high-performance applications.Skilled in writing clean, maintainable code with unit testing experience.Strong problem-solving skills and understanding of software architecture.Team player mentality with a collaborative approach.Experience in Agile development methodologies.Willingness to mentor and guide junior developers.Your RoleAs a Senior Android Developer, you'll be pivotal in driving our product innovation in a competitive landscape, utilizing cutting-edge technologies to build new features and products that support our core brands. You will work within a self-managing Agile team, overseeing everything from DevOps pipelines to production support. Collaborating closely with UX designers, QA engineers, and data analysts, you'll contribute to discussions that shape our products and enhance customer value.

Join Euronet, a pioneering force in the global payments processing sector, where we are committed to transforming the way the world manages its finances. Our innovative solutions, which include mobile wallets, card issuance, and real-time payment platforms, are reshaping digital transactions in over 160 countries.We are on the lookout for enthusiastic and skilled Java Android Software Engineers who are eager to contribute to our mission. You will be instrumental in developing and enhancing applications for our state-of-the-art payment terminals.Your Experience @EuronetAs part of the #Euronetter community, you will thrive in a culture that values human connections, trust, and collaboration. We prioritize your professional growth and recognize your contributions with ample career development opportunities.What We OfferCompetitive salary and benefits packagePerformance-based annual bonusesComprehensive Private Health InsuranceEmployee Stock Purchase PlanAccess to top-notch tools and technologiesFlexible hybrid work modelStructured career development and yearly performance evaluationsBonuses for employee referrals and community volunteeringA chance to work within a dynamic, stable, and international landscapeYour ImpactCreate and maintain Android applications for payment terminals utilizing reusable and reliable JAVA code.Work alongside cross-functional teams to gather requirements and convert them into technical specifications.Develop secure and efficient payment processing solutions.Identify and fix software defects, optimizing the performance of applications.Engage in code review processes.Leverage Git for version control and team collaboration.What Makes You Stand OutBachelor's degree in Information Technology or a related field.At least three (3) years of experience in software development with Java and Android.Familiarity with banking and financial systems is a plus.Solid understanding of software design principles and architectural patterns.Experience with secure coding practices.Proficient in Git for version control.Skilled in Android Studio for application development.Adept at applying Android UI design principles for user-friendly interfaces.Fluent in Greek and English, both written and spoken.Eligible to work in the EU on a full-time permanent basis without the need for employer sponsorship.Attributes for SuccessProactive, self-motivated, and capable of working independently as well as part of a team.Detail-oriented with a commitment to excellence.