Backend Engineer Intern (6 months starting February 2027)

Paris · Internship · Onsite · Posted Oct 13, 2026

At a glance

You will join the fast-growing R&D within the exchange backend development teams at Equativ, specifically working within the Auctioning feature team at the heart of our real-time auction engine.
Your team's mission is to improve our ad exchange platform seeking better performance, higher maintainability, and faster scalability.
As an intern, you will work on production challenges, ranging from short-term fixes to shaping the future of the platform while learning within an international team.

Work in an agile, international and multi-expertise team composed of software engineers, QA and DevOps.
Ship your applications with GitLab and ArgoCD/Kubernetes.
Improve our end-to-end test reliability and tooling.
Participate in maintaining our stack to the newest .NET release.
Participate in our daily features development.
Monitor your features in production with Grafana and Datadog.
Work on data flows with Kafka, Aerospike, SQL Server and BigQuery.
Develop with Claude Code and help improve our AI efficiency.
Learn a lot by working on one of the biggest productions of French tech!

Master’s or engineering-school student looking for an internship.
Professional efficiency in verbal and written English.
Serious doubts about the saying 'Testing is Doubting'.
Passion for writing, reviewing and judging high-quality and maintainable code following agile principles.
Appetite for learning and technical challenge.
Coding skills with object-oriented programming (C#, Java, C++...).
SQL basics.

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