5 positions available in Lille. Retail, logistics, healthcare, services, and cross-border trade
act digital • Lille, FRANCE, France
Shape It • Lille, Hauts-de-France, France
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Back-end developers build the server-side infrastructure and logic that power applications, handling databases, APIs, authentication, and business logic. They ensure systems are secure, scalable, and performant.
The median salary for a Backend Developer in Lille is €51,428 per year. The range is €29K - €81K. (offers-geo 2025) Typical US salary range: $85K - $140K. In Europe: €60K - €90K. Cost of living in Lille is moderate compared to other cities.
Retail, logistics, healthcare, services, and cross-border trade. Retail, logistics, and services drive a market boosted by cross-border trade.
Top industries: Retail & Logistics, Healthcare, Services, Cross-border Trade.
IDFM Lille provides transit; tech and business services culture supports flexible work arrangements.
Back-end developers progress to senior engineer, architect, or technical leadership roles; many specialize in microservices or cloud architecture. Back-end development in 2026 emphasizes cloud-native patterns, event-driven architectures, and observability over traditional monolithic approaches.
Be ready to discuss database design decisions and trade-offs—explain why you chose specific technologies for specific problems rather than using defaults.
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