Tech Lead Solution Architect Senior

BelgiumBelgium·Brusselssenior
ArchitectConstruction & Real Estate
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Quick Summary

Key Responsibilities

Provide technical leadership for the transversal architecture team. Coach and mentor development teams to enhance their skills. Define and evolve reference architectures over time.

Requirements Summary

Java, TypeScript, Angular, DDD, CI/CD, Docker/Kubernetes, Spring (Boot), RabbitMQ, OAuth2/OIDC, OpenAPI/AsyncAPI, OpenTelemetry, Maven/Gradle, TDD, Cypress, Hibernate, C4/Archimate modeling.

Technical Tools
ArchitectConstruction & Real Estate

We are seeking a Tech Lead Solution Architect Senior to join our team on a consultancy mission at a client site, representing Keystone Solutions. The ideal candidate will have a minimum of 15+ years of experience in Java development and ecosystem, with proven leadership skills and a strong interest in both operational and business aspects as well as technology.


Responsibilities

~1 min read

  • →Provide technical leadership for the transversal architecture team.
  • →Coach and mentor development teams to enhance their skills.
  • →Define and evolve reference architectures over time.
  • →Establish SLI/SLO/SLA metrics and strategies for monitoring.
  • →Oversee strategic projects.
  • →Support the business in specifying its needs.
  • →Define and implement technological evolutions and technical debt management strategies.
  • →Ensure compliance with security regulations and information management.
  • →Align with operational lines.
  • →Collaborate with infrastructure teams and external partners.
  • →Gather requirements and evaluate products in procurement processes.
  • →Provide internal training modules.


  • Java, TypeScript, Angular, DDD, CI/CD, Docker/Kubernetes, Spring (Boot), RabbitMQ, OAuth2/OIDC, OpenAPI/AsyncAPI, OpenTelemetry, Maven/Gradle, TDD, Cypress, Hibernate, C4/Archimate modeling.

Knowledge of social security specifics, particularly the responsibilities of the ONEM, is a significant advantage. A successful experience of at least 1 year in an institution related to social security is highly desired.



  • Agile methodologies, individual and team coaching, needs analysis, out-of-the-box thinking, leadership.

The candidate must hold a bachelor's degree in computer science and have completed a Scrum Master training and/or ICT project management training. In addition to their experience as a Solution Architect, the candidate must demonstrate successful experiences as a Team Lead (10+ years). They should also show recent successful experience in implementing a migration architecture from a backend system to a modern technology stack (Spring) and managing the complete project lifecycle.


In addition to their CV, candidates must respond to the following exercise (failure to do so will result in elimination):


//Give the correct output of this code


public class Main {
public static void main (string [] args){
String s1,s2,s3;
HelloHello
s1 = "Hello";
s2 = "Hell";
s2 = s1. + s2 + "o";
s2 = s2.substring(5,9);
s3 = s2;

// TEST 1
if(s1 == s2) {
system.out.println("TEST 1 : TRUE");
} else{
system.out.println("TEST 1 : FALSE");
}

// TEST 2
if(s3.equals(new String(s1))) {
system.out.println("TEST 2 : TRUE");
} else{
system.out.println("TEST 2 : FALSE");
}

// TEST 3
if(s2 == s3) {
system.out.println("TEST 3 : TRUE");
} else{
system.out.println("TEST 3 : FALSE");
}

// TEST 4
if(s1.equals(s2)) {
system.out.println("TEST 4 : TRUE");
} else{
system.out.println("TEST 4 : FALSE");
}
}
}


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


  • Agile - Level: Expert - Most recent: Any time
  • Angluar - Level: Expert - Most recent: Any time
  • C4/Archimate modeling - Level: Expert - Most recent: Any time
  • CI/CD pipelines - Level: Expert - Most recent: Any time
  • Coaching - Level: Expert - Most recent: Any time
  • Cypress - Level: Expert - Most recent: Any time
  • DDD - Level: Expert - Most recent: Any time
  • Docker / Kubernetes - Level: Expert - Most recent: Any time
  • Hibernate - Level: Expert - Most recent: Any time
  • Java - Level: Expert - Most recent: Any time
  • leadership & Team Management - Level: Expert - Most recent: Any time
  • Maven/Gradle - Level: Expert - Most recent: Any time
  • OAauth2/OIDC - Level: Expert - Most recent: Any time
  • OpenAPI/AsyncAPI - Level: Expert - Most recent: Any time
  • OpenTelemetry - Level: Expert - Most recent: Any time
  • RabbitMQ - Level: Expert - Most recent: Any time
  • Spring (Boot) - Level: Expert - Most recent: Any time
  • TDD - Level: Expert - Most recent: Any time
  • TypeScript - Level: Expert - Most recent: Any time

Requirements

~1 min read

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

About this job

Who can apply
Belgium
Posted
Today
Employer
has 795 open jobs on Jobera.

Listing Details

First seen
October 30, 2026
Last seen
October 30, 2026

Posting Health

Days active
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Trust Level
56%
Scored at
October 30, 2026

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Tech Lead Solution Architect Senior