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Voted The Netherlands NUMBER ONE Headhunter for Start Ups who are Scaling | Host of Starting to Scale | People are everything. Hiring is leverage…

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

Global connectivity scale-up |

https://jobeax.com/link/JSd7UYCSg572jJDY, TypeScript, GraphQL, AWS

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

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 aSenior 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 https://jobeax.com/link/JSd7UYCSg572jJDY 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 https://jobeax.com/link/XoOr05ZMdUyNwOHw
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

Seniority level

Seniority level
Mid-Senior level

Employment type

Employment type
Full-time

Job function

Job function
Information Technology, Project Management, and Product Management
Industries
Telecommunications, Software Development, and IT System Data Services

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