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Engineering

Backend Engineer

Remote (Worldwide)Full-time€60.000 - €90.000

About the role

Join our backend team to build the core systems that power Athletr's activity automation. You'll work on our data pipelines, API infrastructure, and the intelligent systems that analyze activities and generate engaging content for athletes.

This role is perfect for engineers who love working with data and building reliable, scalable systems. You'll have the opportunity to work with interesting challenges in natural language processing, data synchronization, and real-time event processing.

What you'll do

  • Build and maintain our Node.js/TypeScript backend services
  • Design and implement data pipelines for activity processing
  • Develop APIs that power our web and mobile applications
  • Work with our activity analysis and content generation systems
  • Optimize database queries and ensure data integrity
  • Implement monitoring, logging, and alerting systems
  • Collaborate with frontend engineers on API design
  • Participate in on-call rotation for critical systems

What we're looking for

  • 3+ years of backend development experience
  • Strong proficiency in Node.js and TypeScript
  • Experience with PostgreSQL or similar relational databases
  • Understanding of RESTful API design principles
  • Experience with message queues (Redis, RabbitMQ, or similar)
  • Familiarity with Docker and containerization
  • Good understanding of security best practices
  • Ability to work independently across time zones

Nice to have

  • Experience with natural language processing or AI/ML
  • Knowledge of the Strava ecosystem
  • Experience with event-driven architectures
  • Background in sports analytics or fitness data
  • Experience with GraphQL
  • Familiarity with infrastructure as code (Terraform, Pulumi)

What we offer

Competitive salary based on experience and location
Work from anywhere in the world
Flexible schedule that works for you
€2.000 annual learning budget
€1.000 home office setup budget
Asynchronous-first work culture
25 days paid vacation
Annual team retreat

Hiring process

1

Application Review

We review your application within 5 business days.

2

Async Technical Screen

A short take-home exercise to assess your backend skills (2-3 hours max).

3

Technical Interview

60-minute video call to discuss your solution and dive into system design.

4

Team Interview

Meet potential teammates and discuss collaboration, culture, and growth.

5

Offer

We move fast - expect an offer within a week of final interviews.

Backend Team Team

4 engineers

The backend team focuses on building reliable, scalable systems that process millions of activities. We're a distributed team across multiple time zones, united by our love for clean code and robust architecture.

Interested?

Apply below and we'll get back to you within 5 business days.

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