Staff Backend Engineer - Search Features & APIs (SABR)
Constructor · Engineering · Lead · 1mo ago
$110k – $130k
per year
Anyone, anywhere in the world can apply.
Direct from the employer's own careers page
Who can apply
Read straight from the listing, so you know before you spend time on it.
Anyone, anywhere in the world can apply.
“Fully remote team - choose where you live”
- Async-first
- The listing doesn't promise async-first working.
- Contractor / B2B
- No mention of hiring international contractors or invoicing.
- Global stipend
- Provides a work-from-home stipend to help set up your home office.
- Annual retreat
- Holds regular team offsites to connect and collaborate.
Read from the listing automatically. Always confirm the details with the company before you accept an offer.
About the role
As a Staff Backend Engineer on the SABR team, you will lead the architecture, performance, and reliability of the primary gateway service handling product discovery requests like search, autocomplete, and browse. Serving up to 15k RPS, you will orchestrate internal services, design backward-compatible public APIs, handle capacity and latency budgets, and mentor mid and senior engineers.
What you'll do
- Own the technical direction of one or more discovery services covering architecture, performance, and reliability.
- Lead the design and evolution of new systems, public APIs, and AI agent layers (MCP) under high traffic.
- Raise the engineering bar via design and code reviews, and mentor mid and senior engineers.
- Partner with product, other engineering teams, and support to shape features while navigating search trade-offs.
- Participate in on-call rotations for owned systems and lead incident response and postmortems.
What you bring
- Substantial experience building and operating high-traffic, low-latency backend services in production.
- Extensive Python knowledge and experience with service-oriented architectures.
- Proven experience designing and evolving customer-facing public APIs.
- Strong track record of leading technical projects spanning multiple engineers and quarters.
- Expertise in observability, capacity planning, and live systems performance engineering.
About Constructor
Launched in 2019, Constructor is an AI-first e-commerce search and discovery platform that enables global retail brands to drive revenue and conversion gains.
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