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This job expired on 21/07/2026. It no longer accepts applications.
Backend Software Developer – SaaS Platform
Addition · Londres et périphérie
Job description
About the role
We are partnering with a fast‑growing product‑led tech business that builds SaaS software used at scale. They need a backend‑leaning software developer who enjoys solving operational problems, owning production systems and delivering reliable, pragmatic code.
Key responsibilities
- Design, build and maintain backend services and APIs that run in production.
- Own systems end‑to‑end, including deployment, monitoring, stability and continuous improvement.
- Integrate with multiple third‑party services and manage external dependencies.
- Troubleshoot issues using logs, metrics and real‑world behaviour.
- Improve resilience through retries, reconciliation, idempotency and robust failure handling.
- Collaborate with engineers across the stack to deliver scalable features.
- Contribute to existing platforms with a focus on maintainability and long‑term quality.
- Support operational improvements in cloud‑native or self‑managed infrastructure environments.
Required profile
- Strong backend engineering experience with languages such as C#, Go or Java.
- Proven track record designing and maintaining APIs and production systems.
- Solid understanding of distributed systems, integration challenges and operational reliability.
- Comfortable debugging complex issues and tracing failures across services.
- Experience in SaaS, platform or high‑volume product environments.
- Ability to work with modern frontend code when needed.
- Pragmatic decision‑making with awareness of trade‑offs.
- Stable career history with long‑term contributions to teams and products.
Required skills
- C#
- Go
- Java
- API design and implementation
- Distributed systems
- Cloud‑native or self‑managed infrastructure
- Monitoring and logging
- Debugging and troubleshooting
What we offer
- Opportunity to work on real production impact with meaningful technical problems.
- Strong engineering culture focused on practicality, ownership and collaboration.
- Exposure to scalable systems, integrations and mature operational environments.
- Hybrid working setup that values autonomy and trust.
- Minimal bureaucracy and a technically credible environment where thoughtful engineers thrive.
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Addition
Londres et périphérie