Full-Time

Senior Staff Software Engineer

React Native

Updated on 7/7/2025

FanDuel

FanDuel

1,001-5,000 employees

Fantasy sports platform for cash prizes

Compensation Overview

$182k - $228k/yr

+ Cash Bonuses + Stock Program Participation

Senior, Expert

Atlanta, GA, USA

Hybrid

This role is hybrid, indicating a mix of remote and in-office work.

Category
Frontend Engineering
Mobile Engineering
Software Engineering
Required Skills
Kotlin
Agile
iOS/Swift
Android Development
React Native
Requirements
  • Expert level experience building and designing highly scalable, fault tolerant and highly available systems.
  • Experience influencing technical decisions across 60+ person Engineering verticals.
  • Understand a broad range of complex data structures and algorithms.
  • Expert level understanding of design patterns and architectural principles.
  • Experience in making pragmatic trade-off decisions between short- and long-term needs.
  • Deep experience in React Native development essential, with a proven history of improving render performance in some mobile frontend framework.
  • Experience in either native iOS (Swift) or Android (Kotlin) development a nice to have.
  • Passion for quality and understanding of quality best practices within an SDLC, with experience in unit testing, testing tools, or integration testing.
  • Strong sense of ownership, urgency, and drive with demonstrated abilities driving operational excellence and best practices.
  • Exceptional verbal and written communication and presentation skills; this role has considerable exposure to senior leaders, with a need to communicate complex technical activities in a simple manner to varying stakeholders.
  • Your leadership skills ensure that you are seen as a role model and able to influence teams with your technical knowledge and experience of delivery and Agile ways of working, particularly scaled agile methodologies.
  • Proficient in responsibility delegating, mentoring, and empowering individuals.
  • Approachability, open-mindedness, and an ability to work well with people at all levels of the business is at the heart of how we work.
  • Degree in Computer Science or equivalent demonstrable knowledge.
Responsibilities
  • Oversee and influence frontend architectural direction, systems design, software implementation, and software quality for the Sportsbook application.
  • Become a leader on Sportsbook operational excellence, taking a hands-on approach to the resolution of the vertical’s most complex issues when needed.
  • Write simple code, taking complex paradigms and implementing them in a way that Engineers at all levels can understand and contribute to.
  • Insist on high standards for code quality while not letting perfection be the enemy of good.
  • Influence the strategy of our engineering teams, helping them understand how to make technical trade-off decisions between short-term business needs and long-term technology needs.
  • Foster a constructive dialogue and seek resolutions in a professional way.
  • Keep yourself up to date with market standards and open-source frameworks.
  • Demonstrate humility, pragmatism, self-management, and a thirst for knowledge.
  • Drive engineering engagement best practices (e.g., Operational Excellence, Security, Quality, etc.) and set standards for the Sportsbook group.
  • Help others leverage your expertise, by coaching and mentoring within the organization. Contribute to the professional development of Engineers within the Sportsbook group, improving their technical knowledge and engineering practices.
  • Provide excellent customer support on an on-call rotation where required.
Desired Qualifications
  • Experience in either native iOS (Swift) or Android (Kotlin) development a nice to have.

FanDuel operates a fantasy sports platform where users can join daily and weekly contests to win cash prizes. Participants create fantasy teams by selecting real players from various sports, including football, basketball, and baseball. The performance of these teams is determined by the actual statistics of the players in real games. FanDuel generates revenue through entry fees for these contests and enhances the user experience with features like live scoring updates and player news. Unlike some competitors, FanDuel focuses on the daily and weekly contest format, catering specifically to sports enthusiasts in the United States, while currently not offering contests in the UK. The company's goal is to provide an engaging and competitive environment for sports fans to enjoy their favorite games.

Company Size

1,001-5,000

Company Stage

Acquired

Total Funding

$4.6B

Headquarters

New York City, New York

Founded

2009

Simplify Jobs

Simplify's Take

What believers are saying

  • FanDuel's expansion into Puerto Rico opens new market opportunities and customer base.
  • AI-driven personalized betting can enhance user experience and retention for FanDuel.
  • Esports betting growth offers FanDuel a chance to diversify its offerings.

What critics are saying

  • Increased competition from new entrants like Soft2Bet may impact FanDuel's market share.
  • Expansion into new markets like Puerto Rico may face operational and regulatory challenges.
  • New product features like Bet Back Token require significant marketing and education efforts.

What makes FanDuel unique

  • FanDuel offers unique parlay features for college basketball tournaments, enhancing user engagement.
  • The Bet Back Token allows users to recover wagers, a first in the industry.
  • FanDuel's strategic partnerships, like with the Carolina Panthers, boost brand visibility.

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Benefits

From peer-to-peer learning to industry conferences, there are a number of ways to develop your career

From your head to your toes we’ve got you covered with our 100% health insurance coverage

We keep a well-stocked supply of snacks and refreshments to keep you going throughout the day

Flexible hours and vacation scheduling let you work when you’re at your best

We provide the latest tech and equipment, you get the job done

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%
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Exclusive new features include an exclusive ability to combine picks from multiple tournament rounds into one parlay and a new Bet Back Promotional TokenNEW YORK, March 14, 2025 /PRNewswire/ -- FanDuel, North America's premier online gaming company, today announced new industry-first product innovations in time for the March college basketball tournament, including an exclusive tournament feature that allows customers to combine picks across multiple rounds into a single parlay and a new Bet Back Token that allows customers to get out of a bet if it is not going to plan. The Bet Back Token will be available for use on any college basketball game beginning March 17, and customers can also begin building their tournament parlays once the bracket is set on Sunday, March 16.College basketball fans can now stack bracket predictions into a single parlay and finally Bet their Bracket. Only available on FanDuel, customers can enjoy more flexibility and combine multiple tournament bets into one parlay, including teams to reach the round of 16, win their region and cut down the nets. This marks the first time customers can build parlays that include bets from multiple rounds of the tournament, allowing customers to transform their brackets into bets. FanDuel is the only sportsbook offering this way of building a parlay for the men's basketball tournament.The new Bet Back Token is a first-of-its-kind reward that gives FanDuel customers the option to get their wager back in Bonus Bets if it is not going to plan. The token comes in handy when a leg of a parlay is trending poorly, there is a player injury or if the customer's team is way down with just minutes remaining