30-06-2026
Brussels + remote
Location: Belgium (Hybrid)
Start Date: 1 January 2027
Duration: Until 31 December 2031
Employment Type: Part-time (60%)
Experience: 5–10 years (Senior)
We are looking for an experienced RCS Component Expert & Software Architect to support the evolution of a suite of mission-critical Java applications used for real-time operational processes.
As part of a highly skilled Agile development team, you will provide architectural guidance, technical leadership, and hands-on expertise in RCS technology, helping development teams build scalable, secure, and high-performing software solutions. You will play a key role in designing modern software architectures, reviewing code, integrating new functionality, and supporting the adoption of best practices across the development lifecycle.
Provide technical leadership and architectural guidance to development teams.
Support software engineers with your expertise in RCS technology.
Design, document, and evolve scalable software architectures.
Ensure the performance, reliability, and maintainability of enterprise applications.
Integrate new functionality into existing software platforms.
Perform code reviews and architecture reviews.
Promote software quality, security, and development best practices.
Collaborate closely with Agile development teams throughout the software lifecycle.
Participate in a 24/7 on-call support rotation after onboarding.
Minimum 5 years of experience as a Software Architect.
Strong experience designing and documenting enterprise software architectures.
Experience supporting Agile software development teams.
Proven Full Stack development experience.
Experience mentoring and coaching junior developers.
Experience integrating AI tools into software development processes is considered an advantage.
Software Architecture
Full Stack Development
Java
Spring Boot
Eclipse RCP
OSGi
Angular
HTML
CSS
Docker
Kubernetes
OpenShift
Jenkins
GitLab CI/CD
Databases
Hazelcast
Tibco RDV
Agile / Scrum
Jira Agile
Confluence
RCS Technology
ISAQB Certification
Java Developer Certification
DAS Systems (UIC SFERA)
Infrastructure, Timetable & Composition Modelling
Optimisation Algorithms
MIP Solvers
Operations Research
AI-assisted Software Development
The ideal candidate is:
A strong technical leader
Passionate about software architecture
Analytical and solution-oriented
Collaborative and approachable
Comfortable mentoring and coaching development teams
Quality-focused with strong attention to detail
Excellent communicator
Proactive and innovative
Able to work independently while contributing to Agile teams
Experience with large-scale real-time systems
Knowledge of operational control systems
Experience implementing AI in software engineering
Background in optimisation algorithms or operations research
Experience working in high-availability enterprise environments
This long-term opportunity offers the chance to shape the architecture of complex enterprise software while working with modern technologies, Agile teams, and advanced engineering practices. You'll combine deep technical expertise with architectural leadership, helping build scalable, secure, and high-performing applications in a challenging and innovative environment.
