Are you a seasoned NodeJS, React, Typescript Developer ready for a key role? A role where you not only write complex code but also shape the architecture of our platform and become the technical backbone of our development team? Do you want to do this for a product that is accelerating the energy transition? Then you are the Senior Developer we are looking for.
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Development
Netherlands
Full Time
€80.000 - €120.000
As our Senior Developer, you will be given significant responsibility and ownership from day one. You are the technical expert on all things and the right hand of our CTO, Joey. You will not only work on complex new features but also act as a sparring partner for the product team and a mentor for your fellow developers. Your mission is to elevate the quality, scalability, and performance of our codebase to the next level.
Develop and implement complex, high-quality features using React, Typescript, NodeJS, GraphQL, PostgreSQL.
Design and safeguard our long-term architecture.
Proactively contribute to the product roadmap and technical feasibility discussions.
Coach and mentor junior and medior developers through pair programming and code reviews.
Optimize the application for maximum speed and scalability.
Raise the bar for code quality, testing, and development best practices.
Key Responsabilities
An excellent annual salary between €80,000 and €120,000 , depending on your experience (this translates to a monthly gross salary of approx. €6,667 – €10,000, including holiday pay).
A high-end laptop (MacBook Pro or equivalent) and all the tools you need.
A flexible hybrid/remote work setup (we require you to be based in the Netherlands).
A generous budget for training, courses, and conferences .
Direct impact on a product that contributes to a more sustainable world.
An ambitious, international, and close-knit team where your input truly matters.
A minimum of 5+ years of professional experience as a Full-stack Developer, with a strong focus on React and NodeJS .
In-depth knowledge of TypeScript, HTML5, and CSS3 .
Demonstrable experience in designing scalable, serverless, architectures.
Experience with coaching and mentoring other developers is a major must.
You are ‘product-minded’: you think beyond the technical ticket and consider the user’s perspective.
Fluency in English.
What you bring
What you'll work with
Front-end: React, TypeScript, Next.js
Testing: Jest, React Testing Library, Cypress
Back-end & Infra: Node.js, NestJS, PostgreSQL, AWS, Docker, Kubernetes
Tools: GitHub, Linear, Slack
You think in scalable solutions, not quick hacks.
You live and breathe ‘clean code’ and inspire others to do the same.
You have a passion for performance and a seamless user experience.
You want to sink your teeth into a complex product that has a positive impact on the world.
What makes you unique
How to apply
Like what you see?
Schedule your free demo
Get a live customized demo or discovery call focused on what your organization needs, get answers to your specific questions, and find out why OpusFlow is the right choice for your organization
What can I expect?
A brief conversation about your current processes
What OpusFlow can do for your organization
All your questions answered
No commitment whatsoever
“OpusFlow gives us the tools to manage our company efficiently and recognize our team’s work. Every time we’ve needed support, the OpusFlow team has been there for us. The ERP is complete, adaptable, and essential for our continued growth.”
Laura Barranco - Head of Finance and Operations
Apply on OpusFlow’s careers page