# Senior Software Engineer - Backend

**Company:** [Datadog](https://hotfix.jobs/companies/datadog)
**Location:** Bordeaux, France, Paris, France
**Role:** Backend Engineering
**Experience:** 5+ years
**Skills:** Backend Development, Software Architecture, Feature Flags, Production Debugging, Performance Optimization, Scalability, Artificial Intelligence, Ai Coding Tools, Ai Backend Systems, Observability
**Posted:** 2026-08-12

> Build and scale high-throughput backend services, resolve production issues, and deliver features progressively in a hybrid engineering environment. The role requires strong software architecture, performance, programming, and AI-assisted development skills.

## Job Description

## Responsibilities

- Solve scaling bottlenecks in critical services.
- Deploy new features to production and progressively roll them out using feature flags.
- Investigate and fix production issues in services owned by the team.
- Design approaches to scale services for increased traffic.
- Collaborate with the team to plan upcoming projects.

## Requirements

- Significant experience with one or more programming languages.
- Commitment to code simplicity and performance.
- Ability to design architectures for high-scale systems.
- Bachelor's, master's, or doctoral degree in a scientific field, or equivalent experience.
- Interest in working in a fast-growing startup environment.
- Ability to use AI coding tools in day-to-day workflows and build, validate, and refine AI-generated product output.
- Ability to design AI backend systems while considering quality, cost, and latency tradeoffs.

## Nice to Have

- Motivation to advance software engineering practices through AI and contribute to AI-enabled products.

## Compensation and Benefits

- New-hire stock equity (RSUs) and employee stock purchase plan (ESPP).
- Continuous professional development, product training, and career pathing.
- Intradepartmental mentor and buddy program.
- Inclusive company culture and access to Community Guilds.
- Access to Inclusion Talks and internal panel discussions.
- Global mental health benefits for employees and dependents aged 6+.
- Competitive global benefits.

Benefits may vary based on the country of employment and the nature of employment.

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