Senior Backend Engineer
Lago
•$70,000 - $100,000•Remote
About The Position
We're looking for a Senior Backend Ruby Engineer to contribute to Lago's core product and help scale our open-source billing infrastructure. You'll work across the full backend stack, collaborate closely with Product and Frontend, and help shape how we build and evolve the platform.
Requirements
- 6+ years of hands-on experience in software engineering, with strong Ruby expertise
- Experience working with event-driven systems and high-data-volume environments
- Familiarity with background job frameworks (e.g. Sidekiq) and message queues
- Comfort with REST APIs, webhooks, and data integrations
- Strong written and verbal communication skills
- A mindset of ownership, curiosity, and resilience
Nice To Haves
- Experience contributing to or supporting open-source projects
- Familiarity with billing systems, fintech, or developer tools
- Experience with PostgreSQL, Redis, Kafka, or similar infrastructure
- Exposure to containerised environments (Docker, AWS, CI/CD)
Responsibilities
- Contribute daily to all parts of our codebase, using our development workflow
- Tackle a wide variety of technical problems throughout the stack
- Help grow the back-end team
- Work with our Product Team and Front-end Engineers to understand customer needs and challenges
- Come up with technical solutions to create and improve our best features and architecture
Benefits
- Competitive salary and equity for employees based in France
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
