Backend Engineer, Agents

Lapel
San Francisco
Workplace: OnsiteFull timeUSD 190,000 - 240,000 annuallyFunction: Software EngineeringExperience: 3+ yearsSkills: ["TypeScript","React","Node.js","PostgreSQL","Temporal","Pulsar","APIs","Observability"]

Build and maintain the backend infrastructure powering long-horizon AI agents, focusing on memory, context retrieval, and orchestration across multi-tenant systems. Design APIs, ensure production reliability, observability, and tooling to monitor agent behavior. Work in a TypeScript monorepo with Node.js, Postgres, Temporal, and Pulsar to enable scalable, enterprise-ready customer-facing automation.

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FursaFursa
Lapel
Lapel
3 months ago

Backend Engineer, Agents

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Build and maintain the backend infrastructure powering long-horizon AI agents, focusing on memory, context retrieval, and orchestration across multi-tenant systems. Design APIs, ensure production reliability, observability, and tooling to monitor agent behavior. Work in a TypeScript monorepo with Node.js, Postgres, Temporal, and Pulsar to enable scalable, enterprise-ready customer-facing automation.
Location: San Francisco
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering

Key Responsibilities

  • •Design systems that help agents remember, summarize, and retrieve context across long-running customer interactions
  • •Build workflows and tools that reduce failure modes and make agents easier to trust in production
  • •Set up the observability and eval infrastructure we use to monitor agent behavior, debug issues, and raise quality over time
  • •Help to scale multi-tenant systems that keep customer and agent context isolated, reliable, and ready for enterprise use
  • •Collaborate with product and data teams to ensure scalable, reliable agent infrastructure for enterprise customers

Pay and Benefits

Salary: USD 190,000 - 240,000 annually
Equity and Bonus:Equity
Perks:MedicalDentalVision401kCommuter BenefitsEquity

Key Requirements

  • •Have 3+ years of backend or software engineering experience, with a track record of building reliable systems in production
  • •Demonstrated ability to design APIs, work with databases, and build reliable workflows that run over time
  • •Experience with system design, debugging, observability, and production reliability at a practical level
  • •Strong customer-focused mindset and ability to translate product needs into reliable agent infrastructure
  • •Experience shipping code in a fast-paced environment with high ownership and autonomy
Experience:3+ yearsSaaS
Skills:TypeScriptReactNode.jsPostgreSQLTemporalPulsarAPIsObservability
Tech Stack:TypeScriptReactNode.jsPostgreSQLTemporalPulsarAPIs

Company Brief

Lapel
Lapel is an online menswear brand specializing in suits, blazers, and tailored clothing, offering curated styles, accessories, personalized styling services, and made-to-measure options for modern professionals via e-commerce.
Industry: Fashion & Apparel
Website