Senior Staff Software Engineer - Market Making

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THE POSITION

Our roster has an opening with your name on it

We’re growing our Market Making Engineering team that works on some of the coolest software in the industry - the systems that quote, price, and manage risk in real time for high-volume, high-velocity sports markets. This work spans the full RFQ/quote lifecycle (request → quote → accept → outcome) in low-latency, event-driven services. The team you will join works with quantitative analysts and trading/risk stakeholders to implement and run market making strategies, while proactively identifying opportunities for technical innovation within the Risk and Trading organization. Our stakeholders are the people who establish prices and manage risk for the #1 sports book in America! We’re looking for a Senior Staff Software Engineer.

As a Senior Staff Software Engineer, you will lead an empowered, multidisciplinary team, autonomously tackling complex challenges that provide the very best experiences and products for a growing community of millions of players. The ideal candidate will have the confidence to propose pragmatic solutions to complex problems and be eager to learn from and educate others. You will help make technical decisions that will impact the broader organisation. This necessitates empathetic communicators with a commitment to outreach, documentation, assisting others, and continuous improvement.

THE GAME PLAN

Everyone on our team has a part to play

• Experience in both quantitative modeling practices and coding. You will be assisting in the creation of models/strategies and working with other engineers on your team to productionalize this software.
• You work in project ideas with stakeholders, and peers
• You own parts of product and technology & become subject matter experts
• You write simple and extendable code following standards and best practices. You test your code thoroughly
• You help balance customer requirements with the team requirements
• You lead team evolution by actively participating in the code review process, design discussions, team planning, and ticket/metric/COE reviews
• You classify, store, and handle data in accordance with FanDuel policies
• You track security risks and mitigate and/or escalate them in a timely manner
• You focus on operational excellence, constructively identifying problems and proposing solutions
• You take on projects and make software enhancements that improve the team software and processes
• You work to resolve the root cause of complex problems, leaving software better and easier to maintain than when you found it
• You are able to train new team-mates on how your team's software is constructed, how it operates, how secure it is, and how it fits into the bigger picture
• Your influence extends beyond the team at and org level
• You foster a constructive dialogue and seek resolutions in a professional way
• You help recruit and interview for your team
• You estimate stories/tasks accurately and deliver them in time
• You mentor and help to develop others
• On-call rotation where required. You provide excellent customer support
• You keep yourself up to date with market standards, open-source frameworks
• You build and evolve components that support real-time quoting and decisioning with careful attention to latency, throughput, and correctness
• You implement and maintain risk controls and guardrails (e.g., exposure checks, limits, throttling/filters, kill switch patterns)
• You ensure high-quality decision logging so strategies can be debugged, replayed, and improved using real quote/fill outcomes
• You partner with quants and stakeholders to define and monitor key metrics (e.g., quote ratio, win rate, expected vs realized margin, exposure/capital utilization)
• Most importantly, you are; humble, pragmatic, self-managed, thirsty for knowledge, never satisfied and always challenging the norm. Responsible for the state of the code you both inherit and produce
• Creative problem-solving ability
• A passion for learning and always getting better

THE STATS

What we’re looking for in our next teammate

• BA/BS degree in Computer Science or related software engineering field, or equivalent practical experience. 7+ years of relevant work experience OR 5+ years of relevant work experience with a MS in Computer Science or related technical field.
• At least one frontend specialisation in any of the following: building native apps (Kotlin, Swift) or web apps using React (JavaScript or TypeScript) or hybrid apps using React Native
• Experience building or contributing to an advanced shared library, design system, or SDK
• Understanding of modern architectures, design patterns, and platform nuances
• Knowledge of web libraries and frameworks, such as Typescript, React, Angular, and/or Bootstrap
• Familiarity with full stacks, single-page applications and/or micro frontends
• 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

PLAYER BENEFITS

We treat our team right

From our many opportunities for professional development to our generous insurance and paid leave policies, we’re committed to making sure our employees get as much out of FanDuel as we ask them to give. Competitive compensation is just the beginning. As part of our team, you can expect:

• An exciting and fun environment committed to driving real growth
• Opportunities to build really cool products that fans love
• Career and professional development resources to help you refine your game plan for owning and driving your career and development
• Be well, save well and live well - with FanDuel Total Rewards your benefits are one highlight reel after another

Diversity, Equity and Inclusion

FanDuel is an equal opportunities employer. Diversity and inclusion in FanDuel means that we respect and value everyone as individuals. We don't tolerate bias, judgment or harassment. Our focus is on developing employees so that they reach their full potential.

The requirements listed in our job descriptions are guidelines, not hard and fast rules. You don’t have to satisfy every requirement or meet every qualification listed. If your skills are transferable and you are in the ballpark experience-wise, we'd love to speak to you!