Backend Jobs in Belgium
There are 157 open Backend jobs in Belgium on freehire right now. 79 of them were posted recently. The skills employers ask for most often are api, ai and ci-cd.
Most requested skills
- api 56%
- ai 34%
- ci-cd 34%
- cloud 33%
- docker 32%
- java 32%
- sql 27%
- kubernetes 24%
How the work is done
- Hybrid 31 · 20%
- Remote 15 · 10%
- Onsite 3 · 2%
Visa sponsorship offered in 0% of the 3 postings that state a position on it.
Seniority
- Senior 38
- Lead 7
- Junior 4
- Middle 3
- Staff 2
- Principal 1
Who is hiring
- 1000+ employees 7
- 201-500 employees 4
- 51-200 employees 4
- 501-1000 employees 3
Senior .NET Backend Engineer — Data-Driven Energy Platform
EnergyVision (listed on Euronext Brussels) is hiring a Senior Backend .NET Developer in Ghent to build a data-driven platform for energy and mobility solutions. Day to day: backend development with C#/.NET Core, WPF and API communication, working closely with architects to ship maintainable, testable software.
Senior Backend Engineer: Data Pipelines & AI (TS/ClickHouse)
MentionLab is hiring a Senior Backend Engineer in a hybrid Belgium-based role to build and own data infrastructure: designing data pipelines, optimizing analytics, and delivering APIs that power AI-driven insights. Core stack includes TypeScript, SQL, Rust, and ClickHouse.
Backend .Net Developer - FR
Experienced .NET backend developer on a 12-person platform team at Smals, designing and maintaining reusable .NET framework components (C#, .NET Core, MS SQL/Oracle, messaging, gRPC) that expose an Azure Cloud platform to other development teams, with CI/CD pipelines, unit testing and SAFe agile delivery.
Senior Backend Developer
Senior Backend Developer in the Brugge region (Belgium) building the backend of CloudPiling's SaaS platform for deep-foundation (geotechnical) engineering using Python and Django. Day to day: develop geotechnical calculation and foundation-optimization software, review code quality, and shape architecture with the Lead Developer and geotechnical engineers.
Senior Java Backend Developer
Freelance senior Java backend developer for a hybrid assignment in Brussels: building, extending and maintaining backend applications and integrating new features within an agile development squad. Core stack includes Java, Spring, REST/SOAP, Docker and Kubernetes.
Senior Java Backend Developer — Hybrid Freelance
Freelance senior Java backend developer for a hybrid assignment in Brussels: building, extending, and maintaining performant backend applications within a development squad. Core stack: Java, Spring Framework, REST/SOAP, Docker/Kubernetes, working in Scrum/agile processes.
Backend Developer (Freelance)
Freelance backend developer at Smile in Brussels (hybrid, 2–3 remote days/week) building APIs and microservices for a major client. Work spans open-source stacks like Python, Node.js, Java, PHP, or Go, with databases, REST/GraphQL, CI/CD, and cloud/container tooling.
Senior SAP ABAP/S4HANA Backend Developer
Senior SAP backend developer at Pauwels Consulting designing and implementing complex ABAP solutions in an S/4HANA environment for a utilities-sector client, including interfaces (IDoc/ALE, BAPI/RFC, SOAP, OData), estimation, specs, and mentoring. English required; French or Dutch is a plus. Based in Belgium.
Hybrid Freelance Backend Developer — Open Source & APIs
Smile is hiring a freelance backend developer in Brussels to work on high-impact projects for a major client, focusing on scalable APIs, microservices, and cloud-native architecture. The hybrid role (2-3 days remote per week) requires strong Python/Node.js/Java/Go skills plus databases, REST/GraphQL, and Docker/Kubernetes.
React Developer - Frontend Specialist + Backend (Java/Spring)
Asenium Consulting is hiring a React developer for a 9-month project in Brussels, joining an Agile squad building digital web and app solutions for enterprise clients, with scope for Java/Spring backend work. Core stack: React, JavaScript, Jest, React Testing Library, TDD/SOLID.
Senior .NET Developer: Frontend & Backend Innovator
A senior developer role at Editx, a Belgian consultancy group, doing both backend (.NET) and frontend (Angular/React/Vue.js) work for various clients located in the Antwerp-Brussels-Ghent triangle, involved from analysis through to delivery. On-site at client locations; commute distance is taken into account.
Python Back-End Software Engineer
We currently have a vacancy for an Python Back-End Software Engineer fluent in English, to offer his/her services as an expert who will be based in Brussels, Belgium . The work will be carried out either in the…
Backend Engineer: Energy Time Series & Data Flows
Enersee in Belgium is hiring a Backend Software Developer focused on energy, time series data, and data flows. You will build scalable services, ensure reliable data movement from ingestion to API exposure, and…
Backend Engineer - Data Acquisition
Our Mission: Why Lighthouse? At Lighthouse, we’re on a mission to revolutionize commercial strategy as hospitality’s most powerful AI platform. We take the world's largest hotel data network and transform it into…
Lead Backend Developer
Despite the 'Lead Backend Developer' title, the description is for a UX/product design role: researching a product area, creating competitive analyses, user flows, wireframes, mockups, and prototypes, and communicating UX findings to teams. Core tools are Figma, Photoshop, Illustrator, and Sketch.

Backend Developer (Autofix)
Backend developer on Aikido's Autofix team, building and maintaining TypeScript/Node.js backend services (plus some Python/PHP), managing AWS/Lambda deployments and CI/CD, and exploring AI features for developer-first security tooling. Hybrid role requiring at least 3 days per week from the Ghent, Belgium office.
Senior Backend Java Developer - Gent
#backend #javadeveloper #java #developer #gent Ben je op zoek naar jouw volgende uitdaging als **Senior Java Developer** in regio **Gent**? Zoek jij naar een **innovatief** bedrijf dat jou een goeie **work-life…