Backend Developer Python jobs in Bruxelles

OneSource Consulting

Description de l'offre Job Title: Python Developer Language: English, French is a plus Location: Brussels, Belgium(Fully Remote) Duration: Long Term Job description: We are currently looking for a developer profile for a client with the following characteristics: Experience with Python is required E

act digital

Description de l'offre Type de poste: Indépendant/Freelance Service Description We are looking for a Python / React Developer to support ongoing initiatives within an existing team focused on building an internal AI platform used for communication between agents. Requirements The developer is expect

Satellit

Description de l'offre Lead Python/.NET developer Develop real-time trading applications for energy Storage and renewable resources, enabling secure algorithm backtesting for traders and enhancing a scalable MicroServices ecosystem hosted in the cloud. Key responsibilities Develop and optimize real-

Keystone Solutions

Mission Overview: Join Keystone Solutions as a Full Stack Developer (Python / React) on a consultancy mission, delivering high-impact solutions at our client sites. As a Keystone Solutions consultant, you will work closely with the client to design, build, and enhance an innovative vulnerability man

yechte

Overview Python & .NET Developer with 5+ years of experience delivering and supporting applications in finance and trading environments. Skilled in designing and implementing new features, maintaining and improving existing systems, and managing L2 production support. Strong experience in Python

Halian | Managed Services, Recruitment Agency & Contract Staffing

We are looking for a Senior Python Back-End Developer to join our client, a big EU Institution based in Brussels. The role is fully remote from any country within the European Union. No trips are supposed to be requested. The role is open only to freelancers. The visibility of the mission is 80 days

h2Lead Python developer /h2 br/ This role combines operational support of a 24/7 application environment with active participation in developing and maintaining an algorithmic trading platform, including incident resolution, infrastructure administration, and continuous / br/ h2Key responsibilities

Company Description Optisuite empowers opticians with innovative digital tools designed to streamline operations, enhance customer experiences, and drive business growth. As a company in full expansion, we are scaling our platform, growing our team, and extending our reach across the optical sector.

Satellit

Python / React Developer Job Overview Seeking an experienced engineer to develop and maintain an AI-based internal communication platform. Responsibilities include creating backend services, AI agent features, frontend components, and DevOps pipelines in a collaborative team environment." Key Respon

Satellit

Python / React Developer Job Overview Seeking an experienced engineer to develop and maintain an AI-based internal communication platform. Responsibilities include creating backend services, AI agent features, frontend components, and DevOps pipelines in a collaborative team environment." Key Respon

afarax

afarax is looking for a freelance Java Developer. Our client in the insurance sector, is seeking an experienced Java Developer to strengthen their team. Application Development: You design, develop, and maintain scalable and robust software applications using modern programming languages, frameworks

ITproposal

About the job Freelance Backend Developer (Java) – Digital Products - VRT377681Freelance Backend Developer (Java) – Digital Products Brussels, Belgium Start: June 2026 | Long-term freelance assignment Full-time | Hybrid (2 days onsite + remote) About The Role Join a leading media organization and he

ITProposal

Freelance Backend Developer (Java) – Digital Products Brussels, Belgium Start: June 2026 | Long-term freelance assignment Full-time | Hybrid (2 days onsite + remote) About the Role Join a leading media organization and help shape the digital experience of millions of users. As a Backend Developer ,

30-04-2026 Brussel Het team Digitale Producten is op zoek naar een Backend Developer! Wat mag je verwachten van deze opdracht? Werk mee aan de digitale toekomst van een toonaangevende mediaorganisatie in Vlaanderen. Dagelijks maken miljoenen gebruikers gebruik van diverse digitale platformen zoals s

collectivework

Job description Context Collective.work is building an AI agent that automates recruiting workflows—from sourcing and screening to outreach and coordination. Our mission is to shift repetitive recruiting work from humans to software, enabling faster, higher-quality hiring. We operate at the intersec

Portima

In order to support the ambitions of Portima to become an API centric organization that will enable brokers and companies to integrate much easier and more seamlessly to Portima Connect and Brio services, Portima would like to strengthen its pool developers with an API and backend Architect C# .net

EngiFlex

Voor deze opdracht zoeken we een senior Java backend developer die meewerkt aan componenten die gegevens uit verschillende bronnen verzamelen en veilig beschikbaar maken voor web- en mobiele toepassingen. Een correcte, performante en beveiligde verwerking van gevoelige burgergegevens is hierbij esse

satellit

Lead Python Developer Job Overview This role combines operational support of a 24/7 application environment with active participation in developing and maintaining an algorithmic trading platform, including incident resolution, infrastructure administration, and continuous improvement." Key Responsi

satellit

Lead Python/.Net Developer Job Overview Develop real-time trading applications for energy storage and renewable resources, enabling secure algorithm backtesting for traders and enhancing a scalable microservices ecosystem hosted in the cloud." Key Responsibilities Develop and optimize real-time trad

Growin

WE DEVELOP PEOPLE WHO DEVELOP TECHNOLOGY And we want to develop you! At Growin people always come first. Why? Because we believe happy, talented people are the ones who can change the world: one code line at a time. We have projects waiting for you in Brussels, where you can grow professionally and