Senior Backend Engineer - Search Features & APIs (SABR)
Constructor3 days ago
Remote, WorldwideSenior
Base Salary
$80k - $120k/yr
Responsibilities
- Own the design and delivery of features and components in backend services.
- Design and evolve public API endpoints while maintaining backward compatibility.
- Improve performance and reliability through latency analysis, failure isolation, observability, and remediation.
- Participate in architecture discussions, design reviews, and code reviews.
- Mentor mid-level engineers and lead small projects with other engineers.
- Work with product, solutions/support, and engineering teams to translate customer needs into technical solutions.
- Participate in on-call rotations and lead incident response and follow-up for owned systems.
Requirements
- Solid experience building and operating production backend services, ideally high-traffic or low-latency systems.
- Extensive knowledge of Python.
- Hands-on experience with metrics, logs, traces, observability, and debugging performance issues in live systems.
- Experience designing and evolving public APIs used by external customers.
- Experience designing and implementing scalable service-oriented architectures.
- Track record of delivering projects end to end and leading small efforts with other engineers.
- Clear written communication, including design documents, RFCs, and postmortems.
- Good judgment regarding technical trade-offs and scope, comfort with ambiguity, and ownership of production behavior.
- Preferred experience with AWS, search/ranking/information retrieval or e-commerce product discovery, and AI/LLM-facing infrastructure such as MCP or agent tooling.
Benefits
- Unlimited vacation time, with at least three weeks per year encouraged.
- Fully remote work arrangement.
- Work-from-home stipend.
- Apple laptop provided for new employees.
- Annual training and development budget.
- Maternity and paternity leave for qualified employees.
- Base salary of $80k–$120k USD, depending on qualifications and interview results.
- Stock options in addition to base salary.
- Regular team offsites.
About Constructor
Constructor builds an AI-powered search and product discovery platform for ecommerce retailers, marketplaces, and distributors, delivered as enterprise SaaS. Its tools power on-site search, browse, recommendations, and shopping agents to optimize conversions and merchandising outcomes. Founded in 2019 by Eli Finkelshteyn and Dan McCormick, the San Francisco–based, privately held company counts brands such as Sephora, Under Armour, and Petco as customers and raised a Series B in 2024.