Full-Time

Senior Frontend Engineer

Mobile

Confirmed live in the last 24 hours

Sleeper

Sleeper

51-200 employees

Fantasy sports platform with social features

Consumer Software
Gaming

Compensation Overview

$150k - $235kAnnually

Senior

Las Vegas, NV, USA + 4 more

More locations: Seattle, WA, USA | San Francisco, CA, USA | Los Angeles, CA, USA | New York, NY, USA

Hybrid role with potential in-office requirements in Los Angeles, Las Vegas, New York, San Francisco, and Seattle.

Category
Frontend Engineering
Mobile Engineering
Software Engineering
Required Skills
JavaScript
React.js
GraphQL
TypeScript
Web Development
React Native
Requirements
  • A degree in Computer Science or equivalent experience
  • 5+ years of mobile / web development with an emphasis on frontend
  • Proven ability to develop and implement algorithms or systems in a professional setting, with strong coding skills in Javascript and knowledge of best practices
  • Highly proactive, with a track record of building processes from scratch and a willingness to challenge traditional risk management paradigms.
  • Comfortable in fast-paced, ambiguous environments, thriving on innovation and the challenge of creating something new.
Responsibilities
  • Collaborate with designers to understand user requirements and translate them into technical specifications for our products.
  • Write clean, maintainable, and efficient code using React Native, TypeScript, and related libraries (React Query, Navigation, Reanimated, etc).
  • Develop reusable UI components and implement a well-structured component hierarchy for the application.
  • Implement user interface (UI) functionality and logic using React features like state management, props, hooks, and lifecycle methods.
  • Integrate front-end components with back-end services using APIs (RESTful or GraphQL).
  • Troubleshoot and debug complex performance, socket, data caching and other issues
  • Stay up-to-date on the latest advancements in React, mobile development best practices, and accessibility guidelines.

Sleeper operates a platform for managing fantasy sports leagues, particularly focusing on fantasy football and bracket pools. Users can engage with the platform through features like in-app chat, live game watching, and an easy-to-navigate design, which fosters communication and shared experiences among sports fans. Unlike many competitors, Sleeper does not rely on ads for revenue; instead, it offers premium features and services, such as advanced draft modes and customization options, to enhance the user experience. This focus on quality and user engagement has led to significant growth, with over 4 million users and high retention rates. Sleeper's goal is to create a social and immersive fantasy sports environment that keeps users engaged throughout the sports season.

Company Stage

Series C

Total Funding

$67.3M

Headquarters

San Francisco, California

Founded

2014

Simplify Jobs

Simplify's Take

What believers are saying

  • Integration of AI-driven analytics enhances user engagement and retention.
  • Expansion into eSports fantasy leagues taps into a growing market.
  • Partnerships with major sports leagues offer exclusive content and experiences.

What critics are saying

  • Increased competition from new platforms could dilute Sleeper's market share.
  • AI-driven sports analytics platforms may attract users seeking advanced insights.
  • Changes in sports broadcasting rights could impact live game watching features.

What makes Sleeper unique

  • Sleeper offers a premium user experience without intrusive ads.
  • The platform includes in-app chat and live game watching for social interaction.
  • Sleeper focuses on quality with a small, dedicated team of experts.

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