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Senior Api Jobs In Brussels - 143 Job Positions Available

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ITProposal jobs

Senior Infrastructure IT Project Manager (Hybrid – Brussels) We are looking for a Senior Infrastructure IT Project Manager to lead and manage complex infrastructure projects in a hands-on and autonomous environment. The consultant will oversee the full project

ITProposal  27 days ago
ITProposal jobs

Senior Functional Analyst – Microservices Transformation Program (Hybrid – Brussels) We are looking for an experienced Senior Functional Analyst to support a large-scale modernization program focused on transforming a legacy monolithic platform into a modern API-first and event-driven microservices

ITProposal  27 days ago
ITProposal jobs

Senior Business Developer / Strategist – Digital Transformation Program (Remote) We are looking for a Senior Business Developer / Strategist to support a major enterprise modernization program focused on transforming a legacy monolithic platform into a modern microservices

ITProposal  27 days ago
ITProposal jobs

Senior Application Developer – Microservices & Kubernetes Environment We are looking for a Senior Application Developer to support a major enterprise modernization program focused on transforming a legacy platform into a scalable microservices architecture running on Kubernetes. The

ITProposal  27 days ago
ITProposal jobs

Senior Application Tester / QA Engineer (Hybrid – Brussels) We are looking for an experienced Senior Application Tester / QA Engineer to support a large-scale modernization program focused on migrating a legacy platform to a modern microservices and

ITProposal  27 days ago
Ypto jobs

How do you help make a difference? As a Senior Java Developer – Commercial channels and products (Doli), you contribute to the design, development, and maintenance of backend components and RESTful APIs supporting enterprise-grade applications within SNCB/NMB. You

Ypto  25 days ago
Monument Re Group jobs

About the roleInterested to join a strongly growing and dynamic international insurance company? To reinforce its IT team, Monument Belgium is looking for a Senior Developer Corporate Life for its Liège office. You will report to the

Monument Re Group  23 days ago
Agilytic jobs

Since 2015, Agilytic has helped organizations reach their goals through the smarter use of data and AI. With over 300 successful projects completed in Belgium and abroad, we strive to be a leading boutique firm delivering

Agilytic  23 days ago
Sopra Steria jobs

Company Description Sopra Steria offers tailored, end-to-end corporate technology and software solutions to help clients make bold choices and deliver results. Successfully so! With more than 56.000 colleagues in 30 countries, we rank as Europe’s leading

Sopra Steria  20 days ago
ITProposal jobs

Senior Web Development Engineer – Moodle & CRM Integration An organisation in the education and training sector is seeking a Senior Web Development Engineer to support the integration between a Moodle LMS platform and an internal CRM system.

ITProposal  18 days ago
ITProposal jobs

Senior Full-Stack Java Developer Overview We are looking for a Senior Full-Stack Java Developer to join a complex IT transformation environment combining legacy systems and modern cloud-based architectures. The role focuses on modernizing critical business applications, reducing technical

ITProposal  18 days ago
ITProposal jobs

Senior Full Stack Java Developer We are looking for a Senior Full Stack Java Developer to support the modernization and evolution of complex enterprise applications within a hybrid and cloud-oriented IT environment. Responsibilities Develop, maintain, and optimize enterprise-grade

ITProposal  18 days ago
ITProposal jobs

Senior Test Automator Location: Brussels, Belgium Work Model: Hybrid Start Date: 04 June 2026 Contract Duration: Until 31 January 2027 Workload: Full-time (100%) Application Deadline: 03 June 2026 About the Role We are seeking an experienced Senior Test

ITProposal  14 days ago
ITProposal jobs

Senior ServiceNow Expert Overview We are seeking a Senior ServiceNow Expert to lead the design, development, configuration, and continuous improvement of a ServiceNow platform within a complex enterprise environment. The role focuses on delivering scalable ServiceNow solutions, optimizing

ITProposal  13 days ago
ITProposal jobs

Senior Solution Architect – HR Transformation & Enterprise Applications Overview We are seeking a Senior Solution Architect to design and guide the evolution of a future-proof application and technology landscape that aligns with organizational strategy and business objectives.

ITProposal  13 days ago
ITProposal jobs

Senior .NET & Web Development Expert (GIS) Location: Brussels, Belgium Work Model: Hybrid Contract Duration: June 2026 – January 2027 Employment Type: Contract (Full-Time) Language Requirement: Dutch (CEFR Level C2) About the Role We are seeking a

ITProposal  13 days ago
ITProposal jobs

Senior ICT Project Manager – Digital Metering Programs Location: Brussels, Belgium Work Model: Hybrid Contract Duration: July 2026 – January 2027 (Extension Possible) Employment Type: Contract / Freelance Language Requirement: Dutch (CEFR Level C2) About the Role

ITProposal  12 days ago
ITProposal jobs

Senior Functional Analyst Role Overview We are seeking a Senior Functional Analyst to support a large-scale business transformation program involving the modernization, refactoring, and development of business applications. You will work in an Agile environment and act as

ITProposal  12 days ago
ITProposal jobs

Senior Java Developer (Contract) Location: Brussels, Belgium Work Model: Hybrid (Onsite presence required on Mondays and Thursdays) Contract Duration: June 2026 – January 2027 Employment Type: Contract / Freelance Language Requirement: Dutch (CEFR C2) About the Role

ITProposal  9 days ago
ITProposal jobs

Senior Data Scientist / Technical Lead Role Overview We are seeking a Senior Data Scientist to provide technical leadership, coaching, and strategic direction within a Data Mining team. The role combines hands-on advanced analytics and machine learning expertise

ITProposal  7 days ago

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