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Jobs / Flutter (FanDuel) / Senior Software Engineer – Java
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Posted 2026-05-21

Senior Software Engineer – Java

Description

FanDuel Group (“FanDuel") is an innovative sports-tech entertainment company that is changing the way consumers engage with their favorite sports, teams, and leagues. The premier gaming destination in the United States, FanDuel consists of a portfolio of leading brands across gaming, sports betting, daily fantasy sports, advance-deposit wagering, and TV/media. FanDuel has a presence across all 50 states with approximately 17 million customers and 28 retail locations. FanDuel is based in New York with offices in New Jersey , Georgia, California, Oregon, Canada and Scotland. Its networks FanDuel TV and FanDuel+ are broadly distributed on linear cable television and through itsrelationships with leading direct-to-consumer over-the-top platforms. FanDuel Group is a subsidiary of Flutter Entertainment plc, the world's largest sports betting and gaming operator with a portfolio of globally recognized brands and traded on the New York Stock Exchange (NYSE: FLUT). At FanDuel, we give fans a new and innovative way to interact with their favorite games, sports and teams. We’re dedicated to building a winning team and we pride ourselves on being able to make every moment mean more, especially when it comes to your career. So, what does “winning” look like at FanDuel? It’s recognition for your hard-earned results, a culture that brings out your best work—and a roster full of talented coworkers. Make no mistake, we are here to win, but we believe in winning right. That means we’ll never compromise when it comes to looking out for our teammates. From creatives professionals to cutting edge technology innovators, FanDuel offers a wide range of career opportunities, best in class benefits, and the tools to explore and grow into your best selves. At FanDuel, our principle of “We Are One Team” runs through all our offices across the globe, and you can expect to be a part of an exciting company with many opportunities to grow and be successful. We’re looking for passionate technologists, strong communicators and those with a commitment to continuous improvement. The ideal candidate will have the confidence to propose pragmatic solutions to complex problems and be eager to learn from and educate others. As a Senior Software Engineer, you will work in empowered, multidisciplinary teams, autonomously tackling complex challenges that provide the very best experiences and products for a growing community of millions of players. You use technology to solve straightforward problems, seeking input and guidance from team members. You may create or have responsibility to improve or invent small tools or applications. You can take defined design and turn it into code and deliver it on schedule, applying appropriate technologies and current software engineering best practices. You writeecure, stable, testable, maintainable code with minimal defects. You are proficient in a broad range of data structures and algorithms, knowing when it is appropriate to use them and when it is not. You make appropriate implementation trade-off decisions. You participate in team design, scoping and prioritization discussions. You seek to learn the business context and technologies behind your team's software. You work effectively with other team members & identify any opportunities/problems arising from technical decisions. You invent, refine and develop your solutions to ensure they are meeting customer needs and team goals. You are a passionate advocate for your customer. Our Responsible Gaming team's mission is to create a best in class regulatory experience for our customers. We do this by working with internal stakeholders and our Regulatory Partners to build scalable, flexible solutions to satisfy regulatory requirements in jurisdictions across the US and Canada. We strive to build internal tools that have clear contracts and are easy to integrate with to enable teams across FanDuel’s portfolio.

Responsibilities
  • Own parts of product and technology & strive to become a subject matter expert.
  • Design the software or systems required in my area of ownership and ensuring that they meet their design objectives.
  • Give quality feedback on designs written by other members of my team, asking probing, insightful questions that solidify choices and surface erroneous assumptions.
  • Effectively and quickly debug cross-module issues, and may intuit where bugs might lie due to my deep knowledge of the libraries, platforms, and systems that my software relies on.
  • Write simple and extendable code following standards and best practices.
  • Test your code thoroughly.
  • Help balance customer requirements with the team requirements.
  • Create coherent designs with multiple components interacting across API or system boundaries; bugs do not creep in at the boundaries between components due to mismatches in expectations of what is technically feasible.
  • Roll out a component or major feature (and deprecating an existing system or feature) reliably - including appropriate monitoring, paging, etc are in place, and that failure domains are understood and characterized appropriately before large scale rollout.
  • For early stage products, roll out with an eye toward achieving learning goals untainted by poor quality.
  • Help your team evolve by actively participating in the code review process, design discussions, team planning, and support ticket reviews.
  • Take on projects and make software enhancements that improve the team software and processes.
  • Work to resolve the root cause of complex problems, leaving software better and easier to maintain than when you found it.
  • Estimate stories/tasks accurately and deliver them in time.
  • Keep yourself up to date with industry tools, utilities, and open-source frameworks.
  • Participate in the interview process and help your team train other Software Engineers
  • Keep yourself up to date with market standards and open-source frameworks.
  • Participate in the on-call support rotation for your organization.
  • Be humble, pragmatic, self-managed, thirsty for knowledge, never satisfied and always challenging the norm.
Requirements
  • Degree in Computer Science, related field, or equivalent work experience.
  • Experience and passion for writing highly scalable, fault tolerant and always available backend systems & APIs using Java or similar Object-Oriented programming languages
  • Good grasp on relational, non-relational databases, messaging queues and handling concurrency
  • Understanding of modern architectures, design patterns, and platform nuances
  • Knowledge of release process best practices for APIs and services within production systems
  • Experience working with cloud-based infrastructure and technologies, preferably AWS.
  • Familiarity with defining infrastructure as code using Terraform or similar
  • Understating of containers (e.g. Docker), and orchestration (Kubernetes).
  • Expert experience with testing concepts, test tools, and integrating testing and best practices in the SDLC
  • Strong sense of ownership, urgency, and drive.
  • Familiarity working in an Agile environment
  • Passion for working within a fast-paced environment and can adapt to change
Benefits
  • Competitive compensation is just the beginning.
  • An exciting and fun environment committed to driving real growth
  • Opportunities to build really cool products that fans love
  • Mentorship and professional development resources to help you refine your game
  • Be well, save well and live well - with FanDuel Total Rewards your benefits are one highlight reel after another
About Flutter (FanDuel)

FanDuel Group is an innovative sports-tech entertainment company that is changing the way consumers engage with their favorite sports, teams, and leagues. The premier gaming destination in the North America, FanDuel Group consists of a portfolio of leading brands across gaming, sports betting, daily fantasy sports, advance-deposit wagering, and TV/media, including FanDuel, Stardust Casino and TVG. The company is based in New York with US offices in Los Angeles, Atlanta, and Jersey City, as well as global offices in Canada and Scotland. The company’s affiliates have offices worldwide, including in Ireland, Portugal, Romania, and Australia. FanDuel Group is a subsidiary of Flutter Entertainment, the world's largest sports betting and gaming operator with a portfolio of globally recognized brands and traded on the New York Stock Exchange (NYSE: FLUT).

Read more about Flutter (FanDuel) →

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