Forward deployed Engineer - Paris, France
Job Description
Lago is seeking a Forward Deployed Engineer to join their Product team, focusing on hands-on customer challenge resolution and implementation support. This role bridges customer needs with internal teams, combining technical expertise with customer-facing responsibilities.
The ideal candidate will lead technical implementations for strategic users, from architecture reviews to production deployment. They'll write integration code, contribute to open-source SDKs, and build internal tools while acting as a technical advisor to both internal and external stakeholders.
Key responsibilities include:
- Leading technical implementation efforts for strategic users
- Writing scripts and integration templates
- Contributing to Lago's open-source ecosystem
- Collaborating with user engineering teams
- Identifying and documenting implementation patterns
- Building internal tooling for deployment optimization
Requirements:
- 3+ years of Software Engineering experience
- Strong Ruby on Rails backend skills
- Proficiency with PostgreSQL, Docker, Sidekiq, and Clickhouse
- Experience with RESTful APIs, webhooks, and authentication flows
- Background in production environments and async processing
- Strong debugging and communication abilities
- Willingness to work from Paris office 3+ days weekly
Lago offers a unique opportunity to:
- Work on an engineer-loved product
- Join a lean, ambitious team building critical infrastructure
- Contribute to impactful open-source projects
- Receive competitive compensation and early equity
The company has raised over $22M in funding and serves next-gen companies like Mistral.ai, Together.ai, and Groq. Their platform has garnered 7,000+ GitHub stars, demonstrating strong community support and product validation.
Responsibilities For Forward deployed Engineer - Paris, France
- Lead technical implementation efforts for strategic users — from initial architecture reviews to production deployment
- Write scripts, integration templates, and lightweight services to support custom use cases
- Contribute to Lago's open-source SDKs, example repositories, and public documentation
- Collaborate with users' engineering teams to resolve complex integration challenges
- Identify edge cases and implementation patterns, and feed them into product discussions
- Build internal tooling and utilities that support faster and more robust deployments
- Act as a hands-on technical advisor to both internal and external stakeholders
Requirements For Forward deployed Engineer - Paris, France
- 3+ years of experience as a Software Engineer or in a technical role working with external users
- Strong backend skills, especially in Ruby on Rails
- Comfortable with PostgreSQL, Docker, Sidekiq, Clickhouse and event-based processing
- Familiarity with RESTful APIs, webhooks, authentication flows, and OpenAPI specifications
- Experience working with background jobs, queuing systems, and production environments
- Excellent debugging and communication skills
- Based in or willing to relocate to Paris, with in-office presence at least 3 days a week
Benefits For Forward deployed Engineer - Paris, France
- Competitive compensation
- Early equity in a fast-growing company
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