Web and API Developer Consultant

BelgiumBelgium·Brusselsmid
EngineeringBackend Developer
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Quick Summary

Key Responsibilities

Participate in the development and evolution of applications, APIs, and web services as part of the DECOM program, focusing on migrating police data to a modern open architecture.

Requirements Summary

DutchLevel Active knowledgeEnglishLevel Active knowledgeFrenchLevel Active knowledge

Technical Tools
EngineeringBackend Developer

Keystone Solutions is seeking a Web and API Developer (PHP, Python, JS) for a consultancy mission at a client site. You will join a dynamic team that embraces innovative and agile processes (Scrum, DevOps, CI/CD) to design high-performance and scalable software solutions.



The project aims to reduce dependency on mainframe systems by migrating BNG, BCE (KBO), and other police data to a modern open architecture. This migration will enhance data accessibility for applications such as PoliceSearch, analytics solutions, artificial intelligence (AI), and Intelligence-Led Policing (ILP).


Responsibilities

~1 min read

  • Participate in the development and evolution of applications, APIs, and web services as part of the DECOM program, focusing on migrating police data to a modern open architecture.
  • Conduct technical analysis, design, and development of data exchange services and REST APIs for integrating various police applications.
  • Adapt and enrich strategic solutions such as PoliceSearch and PolLogs, integrating new features related to data analysis, artificial intelligence, and ILP.
  • Develop application components using PHP, Python, and JavaScript, contribute to defining the technical architecture, and collaborate with development teams to ensure high-performance, secure, and interoperable solutions that meet operational needs.


  • Attention to detail and rigor
  • Problem-solving skills
  • Autonomy
  • Self-directed learning
  • Quality orientation


This position requires on-site presence at least twice a week, depending on tasks and in agreement with the team. Remote work is permitted from home or at the employer's location (within Belgium).


What We Offer

~1 min read

As a consultant at Keystone Solutions, you will engage in dynamic projects that offer diverse challenges across various client environments. You will experience turbo-charged learning opportunities and have the chance to skyrocket your ambition within our framework. Being a

If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.


  • API, Webservices REST - Level: Confirmed - Most recent: Any time
  • Architecture logicielle - Level: Confirmed - Most recent: Any time
  • Développement PHP - Level: Confirmed - Most recent: Any time
  • Développement PYTHON - Level: Confirmed - Most recent: Any time
  • DevOps, MLOPS, GITLab - Level: Confirmed - Most recent: Any time
  • Sécurité applicative - Level: Confirmed - Most recent: Any time
  • Tests automatisés - Level: Junior - Most recent: Any time

Requirements

~1 min read

Dutch
Level Active knowledge
English
Level Active knowledge
French
Level Active knowledge

Location & Eligibility

Where is the job
Brussels, Belgium
On-site at the office
Who can apply
BE

Listing Details

First seen
August 10, 2026
Last seen
August 11, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
51%
Scored at
August 10, 2026

Signal breakdown

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keystone-solutionsWeb and API Developer Consultant