Staff Backend Engineer - Search Features & APIs

About the role

Constructor is seeking a staff-level engineer to own the technical direction, architecture, and reliability of their core product discovery services. This role involves leading the design of high-traffic, low-latency public APIs and orchestrating complex distributed systems that handle significant request volume. You will mentor team members, partner with cross-functional teams, and ensure systems remain performant and available under load.

Responsibilities

• Own the technical direction of one or more services including architecture, performance, and reliability.
• Lead the design of new systems and public APIs while evolving existing ones to meet growing traffic demands.
• Raise the engineering bar through design and code reviews and mentor mid and senior engineers.
• Partner with product, engineering, and solutions teams to shape product development and represent technical constraints.
• Participate in on-call rotations and lead incident response and follow-through for owned systems.

Required skills

• Python
• Distributed systems
• Public APIs
• Observability
• Performance tuning
• Service-oriented architecture

Nice to have

• AWS
• Search
• Ranking
• Information retrieval
• E-commerce
• AI/LLM infrastructure
• MCP

Qualifications

• Substantial experience building and operating high-traffic, low-latency backend services in production
• Track record of leading projects that span multiple engineers and quarters

Benefits

• Unlimited vacation time
• Work from home stipend
• Apple laptops
• Training and development budget
• Maternity & Paternity leave
• Stock options

About the Company

Launched in 2019, Constructor is an AI-first e-commerce search and discovery platform that helps shoppers find the right products at the right time and enables leading global e-commerce brands to drive meaningful revenue and conversion gains.