Senior Nodejs Developer

Senior Backend Developer – up to €100,000 + benefits

Amsterdam - Hybrid

Global connectivity scale-up |

Node.js, TypeScript, GraphQL, AWS

Should calling and data access be a basic human right in todays world? Join a team making that happen.

Why join

• Help deliver a telecom disruption — free global data as a user right
• Work on a product already used in 120+ countries with rapid growth plans
• Join a product-first, collaborative engineering culture with high autonomy
• Hybrid from Amsterdam
• Salary up to €100,000+ benefits
• Join a team scaling with lots of growth opportunity for your career

A fast-growing tech scale-up is transforming mobile connectivity with its freemium global eSIM service — giving people basic data access for free in over 120 countries, and affordable high-speed upgrades when they need more. The mission: make mobile data fair, simple, and available anywhere without SIM swaps or roaming shock.

As they scale across Europe and beyond, they’re hiring a Senior Backend Developer to help architect, optimise, and scale the systems powering this global platform.

What you’ll do

• Design, build, and maintain scalable backend services using Node.js and TypeScript
• Enhance and extend a GraphQL API serving mobile, web, and internal tools
• Integrate with telecom systems, payment gateways, and CRM platforms
• Collaborate with product, design, and analytics teams to deliver impactful features
• Champion clean code, test-driven development, and observability at scale

About you

• 5+ years backend experience in Node.js/TypeScript
• Strong API design experience (GraphQL preferred)
• Skilled in cloud-native infrastructure (AWS preferred)
• Bonus: telecom, travel tech, or high-scale consumer platform experience
• Passion for building robust, high-performance backend systems