# Senior Software Engineer - Backend at Datadog

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Diagnose and resolve scaling bottlenecks

- **Company:** Datadog (https://jobs.trythestack.co/companies/datadog)
- **Location:** Bordeaux, FR, France
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Backend development, Distributed systems, APIs, Performance optimization, Architecture design, Feature flags, Production deployment, AI tooling, AI-enabled software, Code quality, Scalability, Troubleshooting
- **Posted by employer:** 2026-11-01
- **Added to The Stack:** 2026-11-01
- **Listed until:** 2026-12-31
- **Status:** Active
- **Apply:** https://careers.datadoghq.com/detail/4599148/?gh_jid=4599148&gh_src=8363eca61 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-software-engineer-backend-datadog

## About the role

Responsibilities:
- Diagnose and resolve scaling bottlenecks in critical backend services.
- Design and implement scalable architectures to handle increased traffic and data volumes.
- Deliver features to production and roll them out progressively using feature flags.
- Investigate, triage and fix production incidents for services owned by the team.
- Plan and prioritise team projects to improve performance, reliability and developer velocity.
- Use and evaluate AI tools to accelerate development and improve engineering workflows.

Requirements:
- Significant production experience in one or more backend languages and systems design at scale.
- Strong emphasis on code simplicity, performance and operational excellence.
- Proven ability to design architectures for high-scale distributed systems.
- BS/MS/PhD in a scientific field or equivalent practical experience.
- Interest or experience in leveraging AI tools for coding and building AI-enabled backend systems, with awareness of quality, cost and latency trade-offs.

## Responsibilities

Solve a scaling bottleneck in a critical service, deploy new features to production with feature flags, investigate and fix production issues, and design scalable architectures for higher traffic.

## Requirements

Significant experience in backend programming languages, ability to design architecture for high-scale systems, and a degree (BS/MS/PhD) or equivalent experience, with an interest in applying AI tools to development.

## FAQ

- **Is this Senior Software Engineer - Backend role still open?** It was posted on 2026-11-01 and is listed as active on The Stack. Confirm on Datadog's application page before applying.
- **Does Datadog offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Datadog's site.
- **Where is this role located?** The listing gives the location as Bordeaux, FR, France. It is marked on-site.
- **What skills does this role ask for?** The listing names: Backend development, Distributed systems, APIs, Performance optimization, Architecture design, Feature flags, Production deployment, AI tooling, AI-enabled software, Code quality, Scalability, Troubleshooting.

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## Notes for agents

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