Senior Software Engineer - Full-Stack

HappyRobot
San Francisco
Workplace: OnsiteFull timeUSD 180,000 - 250,000 annuallyFunction: Software EngineeringExperience: 5+ yearsSkills: ["Communication","Collaboration","Problem-solving","Ownership","Ambition"]

Senior full-stack engineer responsible for owning end-to-end sections of the product, from UI to APIs and infrastructure, while collaborating with founders. You’ll optimize a voice AI infrastructure, ship features quickly, and balance speed with quality in a high-growth AI startup.

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HappyRobot
HappyRobot
8 months ago

Senior Software Engineer - Full-Stack

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 28 minutes agoStatus: Live

Job Summary

Senior full-stack engineer responsible for owning end-to-end sections of the product, from UI to APIs and infrastructure, while collaborating with founders. You’ll optimize a voice AI infrastructure, ship features quickly, and balance speed with quality in a high-growth AI startup.
Location: San Francisco
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Sr. Manager level

Key Responsibilities

  • •Build and own entire sections of the product, including major parts of the web application.
  • •Design, implement, and ship features end-to-end — from UI to APIs to infrastructure.
  • •Help optimize and scale our voice AI infrastructure, improving latency, reliability, and cost.
  • •Collaborate closely with founders and teammates to shape product direction.
  • •Ship to production frequently and iterate based on real user feedback.

Pay and Benefits

Salary: USD 180,000 - 250,000 annually
Perks:Health InsuranceDentalVision

Key Requirements

  • •5+ years of professional experience.
  • •Strong generalist — you’re excellent on either the front end or back end, and comfortable working across the stack.
  • •Front-end expertise with TypeScript and Next.js, including performance, UX, and clean architecture.
  • •Back-end experience with Go, building reliable, scalable systems.
  • •Product-minded engineer who understands tradeoffs between speed, quality, and scale.
Experience:5+ yearsAIStartupWebCloudSaaSSoftware
Skills:CommunicationCollaborationProblem-solvingOwnershipAmbition
Tech Stack:TypeScriptNext.jsGoGoLangAPIsUIInfrastructureCloudJavaScript

Company Brief

HappyRobot
Builds and manages enterprise AI workers (conversational and document-processing agents) to automate operational workflows for supply chain and logistics companies, integrating with systems to execute tasks, collect real-time data, and drive operational insights.
Industry: Supply Chain Technology
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Valuation: USD 250M to 500M
Funding: Series B
Headquarters: San Francisco, United States
Founded: 2022
WebsiteLinkedInGlassdoor