Careers
Join for the mission. Stay for the team.
Working at Onyx One is more than a job. It's a chance to grow your career while contributing to something that actually matters: helping industrial companies structurally improve contractor compliance, safety and control.
As part of the Veriforce group, we combine an international context with a strong team and a clear mission. We work every day on solutions that help clients reduce risk, stay compliant, and keep people safe at work.
At Onyx One, you get the room to take initiative, grow, and work alongside colleagues who know how to get things done. We build lasting relationships, with clients and with each other.
Senior Web Developer (Node.js & PHP)
Scale a Global Platform from our Hub in Hamme.
Read the full vacancy ↓Don't see your role listed?
Introduce yourself. We're always open to a good conversation.
Introduce yourself →Senior Web Developer (Node.js & PHP)
We are Onyx. We are looking for talent.
Scale a Global Platform from our Hub in Hamme
The mission
Onyx One is a leading SaaS platform for supply chain risk management. We ensure safety and compliance for large industrial organizations worldwide. Recently acquired by a global powerhouse, we are now scaling from a local success story to the world’s #1 contractor management platform.
The best of both worlds
You get the resources of a global organization (250+ developers) with the agility and “small-team feel” of our Belgian office in Hamme.
The Tech Landscape
- Backend: Node.js (Primary) & PHP (Legacy/Transition)
- Frontend: React
- Process & Data: MySQL, MongoDB, Camunda (Process Orchestration)
- Infrastructure: AWS-hosted, Kubernetes (K8s)
- AI & Tools: We embrace using AI for productivity (Claude Code)
- Methodology: Scrum, TDD, DDD, and Mob Programming
Your role: collaborative engineering
We don’t believe in coding in silos. As a Senior Developer, you will be a driving force in our Mob Programming environment. You will solve complex architectural puzzles together with your peers, ensuring high code quality and instant knowledge sharing.
- Global Scaling: Design systems capable of handling a massive, multi-tier international user base.
- Hybrid Mastery: Navigate and improve our ecosystem across Node.js and PHP.
- Quality Leadership: Apply TDD and DDD principles to build resilient, maintainable software.
- AI in our product: Build features that leverage AI to enhance user experience and automate complex processes (such as scanning and validating uploaded documents)
What you bring
- Senior Expertise: 4+ years of experience in Node.js. You’ve built and scaled production-grade systems.
- Polyglot Mindset: A proven track record in PHP. You’re comfortable navigating existing codebases to move the platform forward.
- Collaboration First: You thrive in a mobbing setup. You believe that the best code is written together.
- Engineering Excellence: A “quality-first” mentality with experience in TDD and Domain Driven Design.
- Learning: You’re eager to learn new programming languages and technologies such as using AI to boost productivity.
- Fluency: Strong communication skills in English.
The Offer
- The Power of 250: Access to a massive international developer community while working in a small, autonomous team.
- Continuous Growth: Our mobbing culture is a built-in learning machine. You will grow every single day.
- Stability & Impact: The security of a global group with the impact of a scale-up.
- Premium Package: Competitive salary, car or mobility budget, excellent fringe benefits, and a genuine work-life balance.
- Modern Workspace: Join our close-knit Belgian team in Hamme (East Flanders).
Ready to build the world’s leading platform? The mob is waiting for you.
Send your resume and cover letter to Katrijn at katrijn@onyxone.com
Do you still have a question? Feel free to contact us at the number +32 9 269 80 21
Apply now →Careers
Join for the mission. Stay for the team.
Working at Onyx One is more than a job. It's a chance to grow your career while contributing to something that actually matters: helping industrial companies structurally improve contractor compliance, safety and control.
As part of the Veriforce group, we combine an international context with a strong team and a clear mission. We work every day on solutions that help clients reduce risk, stay compliant, and keep people safe at work.
At Onyx One, you get the room to take initiative, grow, and work alongside colleagues who know how to get things done. We build lasting relationships, with clients and with each other.
Senior Web Developer (Node.js & PHP)
Scale a Global Platform from our Hub in Hamme.
Read the full vacancy ↓Don't see your role listed?
Introduce yourself. We're always open to a good conversation.
Introduce yourself →Senior Web Developer (Node.js & PHP)
We are Onyx. We are looking for talent.
Scale a Global Platform from our Hub in Hamme
The mission
Onyx One is a leading SaaS platform for supply chain risk management. We ensure safety and compliance for large industrial organizations worldwide. Recently acquired by a global powerhouse, we are now scaling from a local success story to the world’s #1 contractor management platform.
The best of both worlds
You get the resources of a global organization (250+ developers) with the agility and “small-team feel” of our Belgian office in Hamme.
The Tech Landscape
- Backend: Node.js (Primary) & PHP (Legacy/Transition)
- Frontend: React
- Process & Data: MySQL, MongoDB, Camunda (Process Orchestration)
- Infrastructure: AWS-hosted, Kubernetes (K8s)
- AI & Tools: We embrace using AI for productivity (Claude Code)
- Methodology: Scrum, TDD, DDD, and Mob Programming
Your role: collaborative engineering
We don’t believe in coding in silos. As a Senior Developer, you will be a driving force in our Mob Programming environment. You will solve complex architectural puzzles together with your peers, ensuring high code quality and instant knowledge sharing.
- Global Scaling: Design systems capable of handling a massive, multi-tier international user base.
- Hybrid Mastery: Navigate and improve our ecosystem across Node.js and PHP.
- Quality Leadership: Apply TDD and DDD principles to build resilient, maintainable software.
- AI in our product: Build features that leverage AI to enhance user experience and automate complex processes (such as scanning and validating uploaded documents)
What you bring
- Senior Expertise: 4+ years of experience in Node.js. You’ve built and scaled production-grade systems.
- Polyglot Mindset: A proven track record in PHP. You’re comfortable navigating existing codebases to move the platform forward.
- Collaboration First: You thrive in a mobbing setup. You believe that the best code is written together.
- Engineering Excellence: A “quality-first” mentality with experience in TDD and Domain Driven Design.
- Learning: You’re eager to learn new programming languages and technologies such as using AI to boost productivity.
- Fluency: Strong communication skills in English.
The Offer
- The Power of 250: Access to a massive international developer community while working in a small, autonomous team.
- Continuous Growth: Our mobbing culture is a built-in learning machine. You will grow every single day.
- Stability & Impact: The security of a global group with the impact of a scale-up.
- Premium Package: Competitive salary, car or mobility budget, excellent fringe benefits, and a genuine work-life balance.
- Modern Workspace: Join our close-knit Belgian team in Hamme (East Flanders).
Ready to build the world’s leading platform? The mob is waiting for you.
Send your resume and cover letter to Katrijn at katrijn@onyxone.com
Do you still have a question? Feel free to contact us at the number +32 9 269 80 21
Apply now →