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Forward deployed Engineer

Paris, France
L

Lago

Startup
Category
Technical
Experience
4-7 years
Type
Full-Time
Location
Paris, France
Salary
$65,000 - $85,000
Job Description
Benefits & Culture
Competitive compensation
Equity
Fast-growing company
Core Values
Reliability
Proactivity
Accountability
Adaptability
This goes straight to the founder
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No recruiters. Founders reply directly.

Founder Signals
Response Rate
85%
Avg Response Time
2 hours
Compensation Calculator
In startups, higher salary usually means lower equity.
Salary (affects equity %)
Link salary ↔ equity
$125,000
$65,000$85,000
Equity % (auto from trade-off model)
0.51%
0%5%
Projected Exit Value
$350,000,000
$10M$500M
Live Trade-off
Salary
Equity %
Est. Equity Value at Exit
$100,000
0.51%
$892,500
$125,000
0.51%
$892,500
$150,000
0.51%
$892,500
$175,000
0.51%
$892,500

Advanced Salary & Equity Calculator

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The Role

We’re hiring a Forward Deployed Engineer to join our Product team.

This role is ideal for engineers who enjoy solving real-world customer challenges hands-on. You’ll work directly with users to support their implementation of Lago, guide them through architectural and product decisions, and build or adapt code that helps them succeed.

You’ll act as a bridge between the user and Lago’s internal teams, writing production-level code, improving onboarding assets, supporting complex integrations, and channeling user feedback directly into our product development cycle.

Responsibilities

  1. Lead technical implementation efforts for strategic users, from initial architecture reviews to production deployment
  2. Write scripts, integration templates, and lightweight services to support custom use cases
  3. Contribute to Lago’s open-source SDKs, example repositories, and public documentation
  4. Collaborate with users’ engineering teams to resolve complex integration challenges
  5. Identify edge cases and implementation patterns, and feed them into product discussions
  6. Build internal tooling and utilities that support faster and more robust deployments
  7. Act as a hands-on technical advisor to both internal and external stakeholders

Requirements

  1. 3+ years of experience as a Software Engineer or in a technical role working with external users
  2. Strong backend skills, especially in Ruby on Rails
  3. Comfortable with PostgreSQL, Docker, Sidekiq, Clickhouse and event-based or asynchronous processing
  4. Familiarity with RESTful APIs, webhooks, authentication flows, and OpenAPI specifications
  5. Experience working with background jobs, queuing systems, and production environments
  6. Excellent debugging and communication skills
  7. Based in or willing to relocate to Paris, with in-office presence at least 3 days a week
  8. Bonus: experience in billing infrastructure, SaaS metering, or open-source development

Why Join Lago?

  1. Work on a product loved by engineers and product teams
  2. Join a lean and ambitious team building foundational infrastructure
  3. Contribute to an open-source project with real-world impact
  4. Competitive compensation and early equity in a fast-growing company

Ready to Build with Us?

If you’re excited about joining a high-talent team to solve meaningful problems and help businesses thrive, we’d love to hear from you. Apply today and let’s build something remarkable together.