Senior Backend Engineer @Lago
Software Development
Salary 70,000–100,000 ..
Remote Location
Employment Type full-time
Posted 1mth ago

[Hiring] Senior Backend Engineer @Lago

1mth ago - Lago is hiring a remote Senior Backend Engineer. πŸ’Έ Salary: 70,000–100,000 eur per year πŸ“Location: CET +/- 3 HOURS

Role Description

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.

  • 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

Qualifications

  • Strong knowledge of Ruby (at least 6 years hands-on experience)
  • Experience working with large volumes of data and event-driven environments
  • A genuine passion for Open-Source: if you've contributed to OSS projects or used OSS tools, let us know!
  • A real appetite for the early stages of co-creating a product and shaping Lago's future
  • Bonus: you've worked on billing or tax projects β€” whether implementing a billing system, maintaining it, or integrating it with business tools (e.g. a CRM, Finance tools)

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

Benefits

  • Work with top-tier talent: Join a team that values excellence, ambition, and accountability
  • Shape the future of fintech: Be part of a fast-growing company building the best open-source billing platform
  • Remote-friendly: Work from anywhere in Europe (within +2h/-2h of CET), or join us in our Paris office
  • Competitive package: Competitive salary and equity for employees based in France
  • Make an impact: Your work directly shapes the product used by companies like PayPal, Synthesia, and Mistral.ai
Before You Apply
️
remote Be aware of the location restriction for this remote position: CET +/- 3 HOURS
β€Ό Beware of scams! When applying for jobs, you should NEVER have to pay anything. Learn more.
Senior Backend Engineer @Lago
Software Development
Salary 70,000–100,000 ..
Remote Location
Employment Type full-time
Posted 1mth ago
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remote Be aware of the location restriction for this remote position: CET +/- 3 HOURS
β€Ό Beware of scams! When applying for jobs, you should NEVER have to pay anything. Learn more.
Apply for this position
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Applied βœ“
Sent Follow-Up βœ“
Interview Scheduled βœ“
Interview Completed βœ“
Offer Accepted βœ“
Offer Declined βœ“
Application Denied βœ“
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