Senior Full-Stack Engineer: Own the Frontend & API

Claryo, Inc.; San Francisco (CA); Hybrid; USD 155,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, vision

401k with employer matching

Parental leave

Unlimited vacation

Job summary

Claryo, Inc. seeks a Senior Full Stack Engineer to own the product layer of our system, responsible for frontend experience and the API/application layer across the stack.

You will collaborate with backend/data engineers and SRE to ship features across multiple facilities, moving from early deployments to a repeatable product. This high-ownership role requires defining patterns, unblocking teams, and shaping how the product works.

Qualifications

• Strong experience with TypeScript and React (Next.js or similar).
• Experience building and maintaining API layers using backend frameworks (Python, Node, or similar).
• 5+ years building and shipping production systems.
• Experience owning end-to-end features or products, not just isolated components.
• Comfortable working across the stack (frontend + API layer).
• Strong ownership and product mindset, with the ability to operate in ambiguous, fast-moving environments.

Responsibilities

• Drive the development of our frontend (Next.js / TypeScript), leveraging modern code-generation agents and oversee the API/application layer, focusing on system integration, security, and data integrity.
• Design robust end-to-end product workflows, acting as the primary reviewer and quality gatekeeper for automated code contributions.
• Implement strict automated testing and CI/CD pipelines to ensure reliability and safety of the features.
• Build and maintain: Customer-facing UI for live operations and analytics; Internal tools for configuring and deploying facilities.
• Collaborate with product to translate high-level requirements into workflows and implementations.
• Collaborate with backend engineers to define and evolve API contracts and data interactions.
• Improve performance, reliability, and maintainability of the frontend.
• Implement and maintain frontend and API testing and CI workflows.
• Own authentication flows and system integration at the product layer.

Skills

TypeScript

React

Next.js

API design

Job description

Claryo, Inc. seeks a Senior Full Stack Engineer to own the product layer of our system, responsible for frontend experience and the API/application layer across the stack.

You will collaborate with backend/data engineers and SRE to ship features across multiple facilities, moving from early deployments to a repeatable product. This high-ownership role requires defining patterns, unblocking teams, and shaping how the product works.