Senior Staff Software Engineer - Market Making

THE POSITIONOur roster has an opening with your name on itWe’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 PLANEveryone on our team has a part to playExperience 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 peersYou own parts of product and technology & become subject matter expertsYou write simple and extendable code following standards and best practices. You test your code thoroughlyYou help balance customer requirements with the team requirementsYou lead team evolution by actively participating in the code review process, design discussions, team planning, and ticket/metric/COE reviewsYou classify, store, and handle data in accordance with FanDuel policiesYou track security risks and mitigate and/or escalate them in a timely mannerYou focus on operational excellence, constructively identifying problems and proposing solutionsYou take on projects and make software enhancements that improve the team software and processesYou work to resolve the root cause of complex problems, leaving software better and easier to maintain than when you found itYou 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 pictureYour influence extends beyond the team at and org levelYou foster a constructive dialogue and seek resolutions in a professional wayYou help recruit and interview for your teamYou estimate stories/tasks accurately and deliver them in timeYou mentor and help to develop othersOn-call rotation where required. You provide excellent customer supportYou keep yourself up to date with market standards, open-source frameworksYou build and evolve components that support real-time quoting and decisioning with careful attention to latency, throughput, and correctnessYou 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 outcomesYou 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 produceCreative problem-solving ability A passion for learning and always getting betterTHE STATSWhat we’re looking for in our next teammateBA/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 NativeExperience building or contributing to an advanced shared library, design system, or SDKUnderstanding 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 fa