121 developer English-speaking jobs in Brussels

Medior Software Engineer to design, develop, and maintain Python-based software applications for railway systems. Requires expertise in Python, at least one additional language (C, C++, or C#), and networking protocols.

Track record of successfully working with developer communities. ... Develop clear messaging that explains the value of funding critical developer infrastructure, including ... Familiarity with developer ecosystems, extension marketplaces, IDEs, cloud development environments, ... Promote and support the Foundation’s presence at relevant developer conferences and industry events. ... We are looking for a candidate with proven product marketing experience in developer tools, cloud development

Develop scalable applications combining geolocation, mapping, and business intelligence using Java, Spring Boot, and modern frontend frameworks.

To support its growth, we are looking for a Full Stack Developer Junior. ... related field Fluent in English (French or Dutch is a plus) 0–1+ year of experience as a Full Stack Developer

Contributions to open-source projects or developer tooling. ... Preferred: Experience building content-driven websites or developer-facing tools. ... for building and shipping the unified developer website experience across Tether Data products.  ... Content Architecture: Collaborate on information architecture and navigation patterns serving developer ... Backend Development: Build and ship RESTful apis used across developer portals, integrate custom services

Back-End Developer, Brussels (near-site) – European Commission   Profile: Back-End developer with expertise ... DESCRIPTION: We are seeking an experienced Back-End Developer to contribute to the design, development ... back-end website applications. ·       Integration of user-facing elements developed by a front-end developer

Freelance Backend Developer (Java) – Digital Products Brussels, Belgium Start: June 2026 | Long-term ... As a Backend Developer, you will contribute to the systems behind widely used digital platforms, ensuring ... Tools: GitHub, Jenkins, Docker Your Profile Must-Have Minimum 3 years' experience as a Backend Developer

Job Title: ServiceNow Developer Location: Brussels, Belgium Contract Type: [Permanent or Freelance ... ] Start Date: ASAP About the Role We are looking for a talented ServiceNow Developer to join a dynamic

COSMOTE GLOBAL SOLUTIONS NV is seeking a skilled Data Warehouse and Reporting Developer to join our dynamic ... in Computer Science, Information Technology, or related field.Proven experience as a Data Warehouse Developer

COSMOTE GLOBAL SOLUTIONS NV is seeking a skilled Data Warehouse and Reporting Developer to join our dynamic ... Minimum 13 years of proven experience as a Data Warehouse Developer, Data Engineer, or similar role.

these activities, the Command-and-Control Centre is looking for an experienced Full Stack Software Developer ... PM) and the Service Delivery Manager (SDM), the Contractor will work under the guidance of the Lead Developer ... documentation for the IOTA suite of tools; • Participate in the team meetings as required by the Lead Developer

Developer Experience (DevEx): Ability to design and improve developer tools, platforms, and workflows ... mesh, continuous delivery, infrastructure automation) to ensure solutions are secure, performant, and developer

With a background as a developer (ADA or C#), the candidate combines solid technical expertise in UNIX

We are looking for a Full Stack Developer to join an international and long-term project based in Brussels ... collaborative team Fully remote (working for a Brussels-based project) Join Seidor Gesein as a Full-Stack Developer

As a Full Stack Developer, you will play a pivotal role in developing scalable and efficient software ... product offerings Requirements 🧩 What makes you a great fit: 5+ years of experience as a Full Stack Developer

We are currently looking for a a Senior iOS Developer to join one of our clients' team. ... We are looking for a Senior iOS Developer to build a companion app from the ground up.

Senior Developer to manage APIs and CRIS application (Java-based). Coordinate meetings between technical teams and customers, support ticket prioritization, and ensure API reliability and integration. Experience with Java applications, Agile/Scrum, and enterprise applications required. Excellent communication and problem-solving skills needed.

We currently have a vacancy for a Java Developer fluent in English, to offer his/her services as an expert

Contributions and active participation to open source, tech talks, blogs or developer communities.

Mission Overview: Join Keystone Solutions as a Senior Java Developer consultant for a mission at our ... Conformity Criteria: A minimum of 10 years working experience as a Java developer.