Senior Java Developer Consultant

BelgiumBelgium·Brusselssenior
Java DeveloperSoftware Engineering
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Quick Summary

Key Responsibilities

Under Keystone Solutions’ consultancy model, you will apply skills across analysis, design, development, testing and integration,

Requirements Summary

English is mandatory and is used for meetings and all documentation. French is the spoken language on the floor. Dutch is nice to have. Soft Skills: Excellent analytical skills. Strong team spirit.

Technical Tools
Java DeveloperSoftware Engineering

Keystone Solutions is hiring a Senior Java Developer Consultant for a consultancy mission with a client in Brussels. As a Keystone Solutions consultant, you will represent Keystone Solutions within the client environment, working as part of an agile team to design, build, test and integrate valuable product increments within each sprint. The working model is 50% on site and 50% homeworking.


Responsibilities

~1 min read

Under Keystone Solutions’ consultancy model, you will apply skills across analysis, design, development, testing and integration, complementing the expertise of other agile team members to deliver a product at the end of each sprint.

  • →Commit to helping the team deliver a product at the end of each sprint, going beyond your own specific knowledge domain to collaborate effectively with team members.
  • →Focus on completing the sprint backlog, including all elements the team must deliver in the sequence determined by the Product Owner according to added value for internal or external clients.
  • →Adhere to Scrum values: focused, committed, open, respectful and courageous.
  • →Collaborate closely with team members and actively contribute to knowledge sharing, open communication, continuous learning and the delivery of added value.

  • At least 3 years of relevant experience.
  • Expert-level Java development skills with Spring Boot.
  • Experience with Docker and Kubernetes.
  • Experience with microservices.
  • Cloud development skills.
  • Excellent understanding of architecture, including hardware, operating systems, networking, databases and middleware.
  • Knowledge of methods, standards, security procedures and development tools.

Nice to Have

~1 min read
  • Experience with integration using different technologies, including distributed systems and mainframe technologies, as well as infrastructure components.
  • Cloud development skills on IBM Cloud - DMZR.
  • Knowledge of KESMA.
  • Knowledge of Elastic Search.

  • Knowledge of agile methodology is mandatory.

Requirements

~1 min read
  • English is mandatory and is used for meetings and all documentation.
  • French is the spoken language on the floor.
  • Dutch is nice to have.

  • Excellent analytical skills.
  • Strong team spirit.
  • Efficient communication skills.
  • Ambition towards achieving the squad’s targets.
  • Strong alignment with agile values: focused, committed, open, respectful and courageous.
  • Ability to promote continuous improvement, including market developments and working methods, to improve software and hardware delivery speed and operational quality.

What We Offer

~1 min read

This consultancy mission combines client-site impact with the broader opportunities of a career at Keystone Solutions. You will tackle dynamic projects and diverse challenges across client environments, creating a turbo-charged learning experience that broadens both your technical and professional expertise. Keystone Solutions supports skyrocketing ambition through continuous development and career growth within its consultancy framework. Being a K-Stone means bringing our core values to every engagement while acting as a trusted Keystone Solutions consultant in the client environment.


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

Location & Eligibility

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

About this job

Who can apply
Belgium
Posted
Today
Employer
has 747 open jobs on Jobera.

Listing Details

First seen
October 22, 2026
Last seen
October 22, 2026

Posting Health

Days active
0
Repost count
0
Trust Level
56%
Scored at
October 22, 2026

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Senior Java Developer Consultant