Full Stack Developer (Open Data)

As a

Full-Stack Developer

, you’ll join the Data Standards team that builds and maintains the OSLO toolchain, which is the backbone for data interoperability across public services. You’ll translate information models and business needs into robust, reusable technical tools that make data smarter and more connected.

This role combines hands-on development, DevOps, and data modeling within a modern open-source ecosystem. You’ll work on publishing data standards, automating toolchains, and ensuring interoperability through technologies such as TypeScript, Vue.js, Docker, and RDF.

Key Responsibilities

Design, develop, test, and maintain software supporting

data standardization

and

interoperability

.

Build and improve the

OSLO toolchain

using

TypeScript

,

shell scripting

,

Vue.js

,

HTML

, and

CSS

.

Manage

containerized environments

using

Docker

,

Docker-Compose

, and

Docker Swarm

.

Support

CI/CD pipelines

(e.g.,

CircleCI

,

GitHub Actions

) and infrastructure-as-code practices.

Develop and consume

REST APIs

; manage

proxy configurations

with

Express.js

,

Caddy

, or

Nginx

.

Contribute to

modeling and analysis

of processes and data (using

UML

,

BPMN

,

ERD

,

RDF

,

JSON-LD

).

Collaborate within a

multidisciplinary Agile team

, bridging semantic modeling and technical implementation.

Support cloud deployments (e.g.

Azure

) and monitor system reliability, performance, and security.

What are we looking for?

Must-Have Skills

Proven experience in

software development

(min. 3 years).

Strong coding ability — you can

code, test, and debug

independently.

Experience with

TypeScript

,

JavaScript

,

Shell scripting

, and

Vue.js

(or

Node.js

).

Experience with

Docker

and

Kubernetes

.

Familiarity with

REST APIs

and

Linux

environments.

Knowledge of

modeling and analysis techniques

(

UML

,

BPMN

,

ERD

) and Agile development methods.

Fluent in

Dutch (C2 level)

.

Nice-to-Have Skills

Experience with

Azure

and

Terraform

.

Understanding of

linked open data

,

semantic web

,

RDF

, and

triplestores

.

Knowledge of

proxy management

(

Express.js

,

Caddy

,

Nginx

).

Experience with

DevOps

,

CI/CD

, or

infrastructure automation

.

Familiarity with

open-source libraries

such as

mu-semtech

.

Team-oriented mindset with strong communication and analytical skills.

What do we offer?

Location: Brussels (hybrid work possible)

Start Date: As agreed (target November 2025)

Contract Type: Freelance or Permanent

Workload: Full-time (100%)