Senior Backend API Engineer
Key Responsibilities
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Backend Development: Design, build, and maintain backend services and APIs, from technical design to production.
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Architecture & Scale: Own complex features and sub-systems spanning multiple services, designed for large data volumes, multi-tenancy, performance, and cost in the cloud.
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Production Ownership: Investigate issues across systems, profile and optimize production code, and spot risks before they reach customers.
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AI-Augmented Engineering: Use AI tooling in your daily work, with the judgment to steer, review, and challenge what it produces.
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Technical Leadership: Raise the team's practices and code health through design proposals, code reviews, and mentoring.
Required qualifications
- Master's degree in Computer Science, Engineering or other relevant field.
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7+ years of hands-on backend development, with a track record of owning significant features from design through delivery.
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Deep expertise in at least one backend language among Node.js/TypeScript, PHP, Go, or Python; production experience with two or more is a strong plus.
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Proven ability to get up to speed quickly on complex systems and take ownership of key parts of them, whether building from scratch or evolving what exists.
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Strong fundamentals in software design and distributed systems: event-driven architectures, queues, database performance, testing.
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Experience with AWS (serverless, containers, IaC) and observability tooling. Salesforce experience is a plus.
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Equivalent engineering school degree or Master's degree in Computer Science or a related field.
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Fluent in English and French, with clear communication, ownership mindset, and strong collaborative skills.
Where You'll Be
- Based in Paris (75002), France.
- Hybrid: 3 days in the office / 2 days remote work.
- Full time permanent contract position.
Skills
As published by lever · 5 questions
Basics
Resume/CV, Full name, Email, Phone, Current location, Current company, LinkedIn URL, Twitter URL, GitHub URL, Portfolio URL, Other website
Pick from a list (5)
- Do you speak fluent French? optional
- Do you speak fluent English? optional
- For this position, you must be in Paris office (France) minimum 3 days per week. Is it possible for you? optional
- Are you legally authorized to work in France? optional
- Will you now or in the future require sponsorship for employment visa status? optional