Senior Web Engineer (Fantasy Sports)

About Sleeper:

Sleeper is a rapidly expanding platform for fantasy sports and games revolutionizing the way sports fans connect and engage. Though once only an NFL fantasy football company we have continued to expand our offerings over 10 years of operation with NBA LCS and Sleeper Picks our real-money Daily Fantasy Sports (DFS) game users predict player performance against projections provided by third-party vendors. We are at the forefront of innovation in the sports gaming industry backed by some of Silicon Valleys top investors.

Role Overview:

Youll be working on our fantasy sports product season-long leagues drafts matchups live scoring and the social layer that connects them. Its the core of Sleeper with traffic that peaks hard on game days and a season calendar that doesnt move. You will play a crucial role in developing the fantasy experience on web ensuring its scalable reliable and fast for millions of dedicated users every day.

Our web experience is built with React and Typescript along with Tailwind React Query and NextJS. Were looking for an experienced web developer who can bring their knowledge and skills to help shape it; bringing new features improved quality and lightning fast performance to our millions of users. Youll have real ownership over what you build and a direct hand in the product decisions behind it.

Responsibilities:

• Collaborate with designers to understand user requirements and translate them into technical specifications for our fantasy sports product.

• Write clean maintainable and efficient code using React Typescript and related libraries (Tailwind React Query NextJS etc.).

• Build fluid responsive interfaces with a strong emphasis on animation and gesture the interactions that make the product feel fast and alive.

• Troubleshoot and debug complex performance socket data caching and other issues.

• Develop reusable UI components and implement a well-structured component hierarchy for the application.

• Integrate front-end components with back-end services using APIs (RESTful or GraphQL).

• Stay up-to-date on the latest advancements in React web development best practices and accessibility guidelines.

Who You Are:

• An active fantasy sports player: youre in leagues each season and have opinions about how the product should work

• 5 years of web application development experience with React as your primary framework

• Experience building and owning a large-scale consumer-facing application not a series of smaller one-off projects

• A strong eye for interaction detail with real depth in animation and gesture work on the web

• Desire to take on and own a large scale product with freedom to design and develop a best in class experience

• Comfortable in fast-paced and ambiguous environments equally at home extending an existing codebase and standing up new surfaces

• Hold a degree in Computer Science or have equivalent experience

What We Offer:

• A salary range of $160000 to $220000 USD based on experience plus benefits including Medical Dental PTO and 401k.

• A small impactful team environment where you can truly make a difference.

• Support for professional growth with a company backed by leading investors.

Required Experience:

Senior IC