Senior Backend Engineer - Search Features & APIs (SABR)

Role overview

Lead backend work on services that handle product search, browsing, autocomplete, and recommendations. The role combines customer-facing API design with the orchestration of internal services, with a focus on keeping high-volume requests fast and dependable as systems evolve.

Responsibilities

- Design and deliver service features, taking them from early problem definition through production operation. - Evolve public APIs while preserving compatibility for existing customers. - Improve latency and reliability by investigating bottlenecks, failures, and production behavior. - Contribute to architecture, design reviews, and code reviews; mentor mid-level engineers. - Work with product, support, and engineering partners to turn customer needs into technical solutions. - Join on-call rotations, lead incident response, and follow through on corrective work.

Requirements

- Strong experience building and operating production backend services, ideally at high traffic or with tight latency needs. - Extensive Python knowledge and experience with scalable service-oriented systems. - Practical experience with metrics, logs, traces, and debugging performance issues in live systems. - Experience designing public APIs that external customers rely on. - Ability to lead small projects, communicate clearly in design documents and incident reviews, and make sound scope and trade-off decisions. - Comfort with ambiguity and ownership that continues after code ships.

Nice to have

- AWS experience, or a background in search, ranking, information retrieval, or online product discovery. - Exposure to infrastructure for AI agents or language-model integrations.

Benefits and work setup

The role is fully remote and includes a home-office stipend, a company laptop, annual training funds, and parental leave for eligible employees. The vacation policy is open-ended, with at least three weeks off encouraged. Compensation includes a stated base range of USD 80,000–120,000, depending on qualifications and interview results, plus stock options. Regular team gatherings are also offered.