Hiring: Fullstack Developer 3+ years - Javascript | Security & DevSecOps - Banking Sector
Location: Belgium (hybrid 50% homework)
Freelance or Employed consultant (EC is under Innova solutions)
Are you a JavaScript developer with 3+ years of experience and a strong focus on secure coding and DevSecOps best practices? We're looking for a Fullstack Developer to join high-impact project in the banking and finance sector where performance, resilience, and cybersecurity are mission-critical.
You'll work hands-on with React, Node.js, TypeScript, and Next.js, applying a DevSecOps mindset to patch vulnerabilities, secure CI/CD workflows, and build production-grade features alongside a collaborative tech team.
Your mission:
Remediate vulnerabilities in React, Node.js, and Next.js codebases with clean, maintainable, and secure code
Patch, upgrade, or replace vulnerable npm dependencies
Build features with scalability and security in mind
Apply OWASP best practices and lead efforts in SAST, DAST, and dependency scanning
Write strong test coverage (unit, integration, E2E) to maintain code quality
Collaborate closely with PO's, Scrum Masters, and developers across the lifecycle
Operate with a DevSecOps mindset, embedding security in development and deployment pipelines
Tech stack:
Front-end: React.js & React Native (styled-components), Next.js, Micro frontends
Back-end: Node.js (TypeScript), TypeORM (or modern ORM), REST/gRPC, OpenAPI
Security: SAST, DAST, dependency scanning, OWASP
DevOps & Infra: GitLab CI/CD, AWS (EC2, RDS, ECS), Terraform (infra-as-code)
Nice-to-haves: GraphQL, C# .NET
Must-haves:
Minimum 3 years of experience in fullstack JavaScript development
Proven background in secure development and vulnerability remediation
Experience in the banking or financial sector
Fluent in English, with working proficiency in Dutch or French
Strong Agile collaboration and ownership attitude