freelance full stack developer senior

Full-Stack Software Engineer We are looking for a Full-Stack Software Engineer to develop and maintain a modern, data-intensive web platform supporting critical law enforcement operations. You will work across the full technology stack, building scalable backend services, responsive frontend applications, and reliable deployment pipelines while...

Job descriptionAs a Senior Back-end developer, you will be a vital part of our team, working together to build Donna, our perfect AI-sales assistant for field sales reps. Donna empowers them to focus on what they do best - selling.Expect to tackle diverse challenges in back-end engineering and integrate Large Language Models (LLMs) into our products. Your...

Ideal Systems is seeking a technically excellent Senior Full Stack Developer who wants to move into mobile. Join the team to grow into React Native mobile application development with support from experienced peers.If you have strong full-stack fundamentals, we’ll help you transition to mobile. The role emphasizes ownership of features, collaboration with...

About the jobSenior .NET Developer:For one of our globally leading tech clients we are urgently looking for an experienced Senior .NET Developer for a long contract based in Brussels area, BelgiumRole Description:Senior .NET Developer with strong expertise in C#, ASP.NET, MVC, Web API, SQL Server, and microservices architecture.The role requires proven...

For our client, a multinational active in renewable energy with more than 1 GW in PV and BESS Assets, Green Recruitment is looking for a Senior Business Developer who will develop new and existing BESS Projects.Senior Business Developer BESSWalloon RegionThis is a new role within the Belgian and Benelux division of our client. This role is a true opportunity...

For our client, a multinational active in renewable energy with more than 1 GW in PV and BESS Assets, Green Recruitment is looking for a Senior Business Developer who will develop new and existing BESS Projects.Find out if this opportunity is a good fit by reading all of the information that follows below.Senior Business Developer BESSWalloon RegionThis is a...

Our client’s Microsoft Business Solutions team is a Microsoft Gold Partner and leader in Microsoft software implementations for medium to large organisations, providing their clients with the ability to keep up with the ever-changing digital world by implementing Microsoft’s Enterprise Resource Planning (ERP) and Customer Engagement (CE) software from...

We are looking for a highly skilled Senior Java / Angular Developer to join a high-impact project for the European Commission. This role is open strictly for Freelancers / Project-based Contractors.Please note: Due to strict tender requirements, candidates who do not meet the minimum experience criteria cannot be considered.Mandatory Requirements (Strict...

Role Name: Senior Angular Front-End Developer (Freelance)Location: Brussels Duration: 12 Months Response Deadline: 31/07/2025 Workload: Full-time Language Requirement: Dutch or French (native level) + good knowledge of the other national language + English Context: The VSSE (Belgian State Security Service) is responsible for safeguarding national...

Beschrijving van het bedrijfWho is Turner & Townsend?Turner & Townsend is a global professional services company with over 22,000 people in more than 60 countries.Working with our clients across real estate, infrastructure, energy and natural resources, we transform together delivering outcomes that improve people's lives. Working in partnership makes it...

Senior AEM Developer Location: Brussels, Belgium Work Model: Fully Onsite – No Remote Employment Type: Full-time Contract Duration: 4 months Start Date: ASAP Experience: 4+ years Role Overview We are looking for an experienced AEM Developer to join a development team responsible for building, enhancing, and maintaining enterprise web platforms using Adobe...

For our client, a multinational active in renewable energy with more than 1 GW in PV and BESS Assets, Green Recruitment is looking for a Senior Business Developer who will develop new and existing BESS Projects.Senior Business Developer BESSWalloon RegionThis is a new role within the Belgian and Benelux division of our client. This role is a true opportunity...

Clario, part of Thermo Fischer Scientific, is looking for a Full Stack Developer. This role sits at a very practical and impactful intersection: you won’t build AI models—but you will make them usable in the real world. We are developing an MVP on our platform (NXT) to onboard AI-driven RBQM (Risk-Based Quality Management) solutions in cardiology. These...

Job role:Senior Java Developer.Location:Brussels (On site).Languages required:English (C1)(Mandatory) .Minimum experience required:14 years.Overview Senior Java Developer role based in Brussels with on-site work. English required at C1 level (mandatory). Minimum experience: 14 years.ResponsibilitiesSoftware Development: Design and develop high-performance,...

Locatie: Campus Kortrijk   Ben jij gepassioneerd om mensen te helpen bij het ontwikkelen van waardevolle nieuwe inzichten en vaardigheden? Bij Groep Syntra West bieden we een uitdagende en inspirerende leeromgeving waarin deelnemers niet alleen vakinhoudelijke kennis opdoen, maar vooral leren hoe ze nieuwe competenties kunnen toepassen in de praktijk. Ga...

We are looking for a highly skilled Senior Java / Angular Developer to join a high-impact project for the European Commission. This role is open strictly for Freelancers / Project-based Contractors.Please note: Due to strict tender requirements, candidates who do not meet the minimum experience criteria cannot be considered.Mandatory Requirements (Strict...

The Department of Care is looking for an experienced Application Architect / Senior .NET Developer for the further development and modernization of the internally developed e-desk of the Department of Care. The e-counter offers citizens and organizations a central online platform for applying for and following up on files, such as permits, accreditations,...

Discover Recruitment is seeking a Senior SAP BI / BW Consultant for a freelance contract in Brussels, Belgium. The role focuses on SAP BW / BW/4HANA stack, SAP BI, and related analytics workloads. You will collaborate with clients to design and implement data models, reports, and dashboards within a flexible engagement. The position is contract-based, and...

ITProposal in Belgium is seeking a Full-Stack PHP Developer to join a multidisciplinary team responsible for the development, maintenance and evolution of an application used to manage evidence and case-related items. You will translate business needs into technical solutions, build features with PHP and JavaScript, and contribute to unit and integration...

Vind! zoekt een ervaren Full Stack Developer om zelfstandig nieuwe features te bouwen voor LynX en het interne ERP-systeem met Laravel en Vue.js. Je moderniseert legacy PHP-code en vertaalt requirements naar technische oplossingen, met aandacht voor UI/UX en performance.Je werkt in een klein team aan gebruiksvriendelijke, performante applicaties en levert...