Lead Fullstack Developer (Ruby/Vue.js)

Location: Brussels (Hybrid – 50% remote)

Start Date: ASAP

Contract Type: Freelance or Payroll

The Project

You will join a high-impact open banking initiative within a large-scale digital finance environment. The project aims to deliver secure, cloud-ready web applications that streamline complex financial operations while ensuring scalability and performance.

Your Responsibilities:

• Take ownership of technical delivery from design to deployment
• Lead a cross-functional team of developers in an Agile environment
• Estimate effort, plan sprints, and ensure delivery of business-critical features
• Drive best practices in development, architecture, security, and testing
• Conduct code reviews and ensure maintainability, scalability, and performance
• Promote test-driven development (TDD), DevOps automation, and CI/CD
• Coach team members and contribute to their technical growth
• Coordinate production releases and support issue resolution
• Communicate with architects, product managers, and other stakeholders

Your Profile:

• 5+ years of software development experience, including backend and full-stack
• 1+ year in a team lead or mentoring capacity
• Strong in backend development with Ruby on Rails or Elixir
• Proficient with Vue.js or other modern JavaScript frameworks (React, Angular)
• Strong understanding of scalable architecture and secure coding practices
• Comfortable working in Agile setups with tools like Jira, GitLab, etc.
• Fluent in English and either Dutch or French
• Bonus: Experience in DevOps, Open Banking, and observability tools

Tech Stack:

Languages & Frameworks: Ruby, Elixir, Vue.js

DevOps & Monitoring: GitLab CI/CD, Docker, Kubernetes, Kibana

Practices: Agile, TDD, CI/CD, Microservices, Secure Coding

Other Tools: Jira, Git, Test Automation, REST APIs