# Senior Web Engineer

**Company:** [Sleeper](https://hotfix.jobs/companies/sleeper)
**Location:** San Francisco, CA
**Role:** Frontend Engineering
**Salary:** $160k – $220k/yr
**Experience:** 5+ years
**Skills:** React, TypeScript, Tailwind, React Query, Next.js, REST APIs, GraphQL, Web Animation, Gesture Interaction, Web Accessibility, Data Caching
**Posted:** 2026-09-05

> Build and own scalable, consumer-facing fantasy sports web experiences using React and TypeScript. The role emphasizes responsive interaction design, animation, performance, reusable components, and API integration, requiring 5+ years of web development experience.

## Job Description

## Responsibilities
- Collaborate with designers to understand user requirements and translate them into technical specifications for a fantasy sports product.
- Write clean, maintainable, and efficient code using React, TypeScript, and related libraries.
- Build fluid, responsive interfaces with a strong emphasis on animation and gesture interactions.
- Troubleshoot and debug complex performance, socket, data-caching, and related issues.
- Develop reusable UI components and implement a well-structured component hierarchy.
- Integrate front-end components with back-end services using RESTful or GraphQL APIs.
- Stay current with React advancements, web development best practices, and accessibility guidelines.

## Requirements
- 5+ years of web application development experience, with React as the primary framework.
- Experience building and owning a large-scale, consumer-facing application.
- Strong interaction-design skills, including depth in web animation and gesture work.
- Ability to own and develop large-scale products in fast-paced, ambiguous environments.
- Bachelor's degree in Computer Science or equivalent experience.
- Active interest and participation in fantasy sports.

## Compensation
- Salary range: $160,000–$220,000 USD.
- Benefits include medical, dental, paid time off, and 401(k).

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**Apply:** https://hotfix.jobs/jobs/1c3526c8-1197-4fbd-b4dd-c61551ebbbe7
**Canonical:** https://hotfix.jobs/jobs/1c3526c8-1197-4fbd-b4dd-c61551ebbbe7