Onlano
Backend DevelopmentOnsite

Senior Backend Developer (Node.js)

Pro4all - Company

Nederland, ๐Ÿ‡ณ๐Ÿ‡ฑ NetherlandsFull-time - Senior (4-7 years)0 applicantsCloses Jun 14, 2026

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Job description

Role overview

Pro4all's VeiligWerk division develops safety-critical software for construction professionals. As a Senior Backend Developer, you'll build scalable systems to help 200,000+ workers report incidents, conduct inspections, and maintain safety protocols across the Netherlands.

Our platform serves industry leaders like Heijmans and Dura Vermeer, with a focus on intuitive workflows for toolbox meetings and real-time risk assessments. You'll collaborate with a 15-person team in Weesp to deliver mission-critical software where safety is the top priority.

Responsibilities

  • Design and maintain high-availability backend systems for safety reporting platforms
  • Implement RESTful APIs and GraphQL services with Node.js and TypeScript
  • Optimize database performance using PostgreSQL and MongoDB
  • Collaborate with frontend teams to integrate safety workflows
  • Lead code reviews and mentor junior developers

Requirements

  • 5+ years professional Node.js development experience
  • Expertise in RESTful API design and implementation
  • Strong understanding of cloud infrastructure (AWS preferred)
  • Proficiency in PostgreSQL and NoSQL database systems
  • Experience with containerization (Docker/Kubernetes)

Benefits

  • Competitive salary with performance bonuses
  • Fully equipped Weesp office with flexible hours
  • Professional development budget for certifications
  • Annual team-building retreats
  • Comprehensive health and safety insurance

Keywords

Node.jsRESTful APIsPostgreSQLDockerTypeScriptAWSAgileKubernetesMongoDBGraphQL