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The French Sourcer
Senior Backend EngineerThe French Sourcer • Paris, France
Senior Backend Engineer

Senior Backend Engineer

The French Sourcer • Paris, France
Il y a 2 jours
Type de contrat
  • Temps plein
  • Quick Apply
Description de poste

Build the services behind a product used every day, while helping the platform scale beyond its original architecture.

Senior Backend Engineer - Paris

Paris, France · Permanent · Hybrid

What you'd actually work on

  • Designing and developing backend services for a high-traffic SaaS platform
  • Building APIs used by customer-facing products and internal systems
  • Breaking down parts of an existing monolith into clearly defined services
  • Improving application performance, reliability, and scalability
  • Designing relational data models and optimising critical queries
  • Writing automated unit, integration, and API tests
  • Reviewing code and contributing to shared engineering standards
  • Investigating production issues across applications, databases, and infrastructure
  • Working with product managers and frontend engineers to define technical solutions
  • Improving deployment and release processes with the platform team
  • Contributing to architecture decisions and technical documentation

Where it gets technically interesting

  • Evolving a mature platform without interrupting ongoing product delivery
  • Deciding which components should become independent services and which should remain together
  • Managing data consistency and dependencies across distributed services
  • Improving performance on endpoints operating under sustained production load
  • Introducing stronger testing and observability into critical legacy components
  • Balancing immediate product needs with longer-term architectural improvements

What we're looking for

  • 5+ years of experience developing backend applications
  • Strong experience with Java, Kotlin, C#, Node.js, or a comparable backend technology
  • Experience designing and maintaining production APIs
  • Good knowledge of relational databases and data modelling
  • Understanding of distributed systems and asynchronous communication
  • Experience with automated testing, code reviews, and CI/CD
  • Practical knowledge of containers and cloud environments
  • Ability to investigate production issues across several technical layers
  • Confidence working with product, frontend, and platform teams
  • Professional French and English

The company

A European SaaS company serving several thousand business customers. The platform is expanding across new products and markets, creating a need to modernise parts of the architecture while continuing to deliver new functionality.

Health insurance, meal vouchers, profit-sharing, and a hybrid working policy.

Languages: Native or bilingual French and professional English.

A search run by The French Sourcer, recruitment built for technical teams.

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Senior Backend Engineer • Paris, France

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