Back End Developer

il y a 4 semaines

Brussels, Belgique Hybrid Core Temps plein

Company OverviewHybrid Core, a Belgian deep technology and consultancy company, is dedicated to empowering organizations through strategic and digital transformation. We provide innovative solutions in complex, data-rich, hyper-connected environments, with a team of high-level experts experienced in multinational projects for NATO, the EU, the UN, and corporate sectors. Our expertise spans security sector reform, enhanced digitalization, hybrid intelligence, AI-powered predictions, and dynamic simulations with embedded AI and Metaverse features. As we prepare for exponential growth by 2025, we seek talented individuals to join our journey.Job OverviewWe are looking for a Medior Backend Developer with 2–5 years of professional experience to strengthen our engineering team. The position is on-site, and the candidate should be authorized to legally work in Belgium. In this role, you will be responsible for designing and implementing backend architectures, optimizing performance, and ensuring the scalability and reliability of our systems. You'll also support junior developers and contribute to establishing technical best practices.Responsibilities· Design, develop, and maintain scalable backend services and APIs.· Optimize database schemas, queries, and transactions for performance.· Collaborate with frontend and DevOps teams to deliver high-quality, integrated solutions.· Write clean, secure, and maintainable code with appropriate testing.· Participate in code reviews and contribute to technical documentation.· Implement modern backend architectures (e.g., microservices, containerized deployments).· Stay current with emerging backend frameworks and cloud technologies.· Mentor junior developers and promote best practices within the team.Requirements· 2–5 years of professional experience as a backend developer.· Strong expertise in at least one backend language and framework (Java, Python, Node.js, or Go).· Solid understanding of RESTful APIs, authentication, and backend security.· Hands-on experience with SQL and/or NoSQL databases.· Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization (Docker, Kubernetes).· Knowledge of CI/CD pipelines and automated testing frameworks.· Excellent problem-solving skills and collaborative mindset.· Strong communication skills with the ability to mentor and support teammates.Benefits· Travel Reimbursement· Hospitalization and Dental Insurance· Meal Vouchers· Holiday and 13th-month payments· ComputerContract· Fixed ContractJoin Hybrid Core as a Medior Backend Developer and help shape the next generation of secure, scalable, and intelligent digital solutions.

  • Back End Developer

    il y a 3 semaines

    Brussels, Belgique Sansaone Temps plein

    Role: Backend DeveloperLocation: Brussels BelgiumDuration: 4 Months(Renewable)Work Mode: Remote (Near Site) Job Description Development of back-end website applications. Integration of user-facing elements developed by a front-end developer with server side logic. Implement core business logic. Creation of servers and databases for functionality. Design and...

  • Back End Developer

    il y a 3 semaines

    Brussels, Belgique Fujitsu Temps plein

    DRIVE EFFICIENCY AND GROWTH AT FUJITSUFujitsu is a leading ICT company 125.000 employees worldwide, more than 140 in Luxembourg, offering a full range of technology, solutions and services. This is an opportunity to join a strong organization within a young, dynamic and flexible work environment, with a real growth opportunities and immediately make an...

  • Back End Developer

    il y a 4 semaines

    Brussels, Belgique Fujitsu Temps plein

    Fujitsu is looking for a Back End Developer to work on a project within the EU Institutions, in Brussels. ON-SITE (2 days per week)Expertise:Back-end languages and frameworks such as Java, PHP, Spring boot and HibernateThe web development cycle and programming techniques and tools.Database technology such as Oracle, MongoDBCode versioning tools such as Git...

  • Back End Developer

    il y a 1 semaine

    Brussels, Belgique Fujitsu Temps plein

    Fujitsu is looking for a Back End Developer to work on a project within the EU Institutions, in Brussels. ON-SITE (2 days per week)Expertise:Back-end languages and frameworks such as Java, PHP, Spring boot and HibernateThe web development cycle and programming techniques and tools.Database technology such as Oracle, MongoDBCode versioning tools such as Git...

  • Senior Back-End Developer

    il y a 5 jours

    Brussels, Belgique act digital EMEA - Alter Solutions Temps plein

    We are looking for a Senior Back-End Developer who will join an EU Institution in Brussels!This role requires 50% onsite presence. NATURE OF TASKS • Development of back-end website applications.• Integration of user-facing elements developed by a front-end developer with server side logic.• Implement core business logic.• Creation of servers and...

  • Senior Back-End Developer

    il y a 5 jours

    Brussels, Belgique act digital EMEA - Alter Solutions Temps plein

    We are looking for a Senior Back-End Developer who will join an EU Institution in Brussels!This role requires 50% onsite presence. NATURE OF TASKS • Development of back-end website applications.• Integration of user-facing elements developed by a front-end developer with server side logic.• Implement core business logic.• Creation of servers and...

  • Back-end Developer

    il y a 2 jours

    Brussels, Belgique Seidor Temps plein

    We are on the lookout for a **Back - End Develope**r to join our team to work with European Institutions. **Get to know us - SEIDOR** At SEIDOR, we drive client transformation and competitiveness with cutting-edge technology and innovation, with a relentless focus on the human element and a commitment to nurturing talent and sustainable growth. As a...

  • PHP Back-end Developer

    il y a 2 jours

    Brussels, Belgique Thynk.Cloud Temps plein

    **Why join Thynk?**: Founded by a team of experienced SaaS founders and hospitality executives, Thynk is on a mission to revolutionize the 2T$ hospitality industry and become a new vertical SaaS giant, following the footsteps of Veeva and nCino. Our ambition is fuelled by a fantastic product built on top of the Salesforce platform and a spot on time to...

  • Back End Developer

    il y a 4 semaines

    Brussels, Belgique Brainwave Optigrators LLC Temps plein

    Title: Back-end DeveloperLocation: 3000 Leuven, BelgiumLanguages Required: Dutch, EnglishHomeworking: 3/5Closing Date: 26 November 2025Requested Start Date: 5 January 2026Duration: 6 monthsRequired Knowledge and Skills• Minimum 5+ years of experience developing and customizing Microsoft Dynamics 365 and Power Platform solutions• Proven experience with...

  • Senior Typescript developer

    il y a 4 semaines

    Brussels, Belgique Harnham Temps plein

    Senior TypeScript (Back-End) Developer📍 Location: Hybrid – Brussels (1 day per week in office)✈️ Travel: Occasional travel between Belgium and the UK🕒 Contract: 6 months (with potential extension)🚀 Start date: ASAPPosition OverviewThe client is seeking an experienced Senior TypeScript Developer, specialising in back-end development, to join...