Underdog
Sports
SeniorSoftwareEngineer
Neural analysis suggests this role is
optimal for Senior candidates.
“Senior Software Engineer at Underdog. Skills: exchange infrastructure, latency, reliability, accuracy, APIs (FIX+REST+WebSockets), market data syndication, connectivity, order matching, trade execution algorithms, clearing infrastructure, position management, margining. design, build and scale the systems that underpin our exchange infrastructure. focusing on latency, reliability, and accuracy across the most critical paths in our platform”
What You'll Achieve.
build the best products; build the biggest company in the space; hold a high bar on performance and availability for customers that expect both; your contributions will be visible and impactful
Industry & Context.
Hunt down performance bottlenecks; make good tradeoffs
This position may require sports betting licensure based on certain state regulations
What They're Looking For.
Must Have
At least 5+ years of engineering experience, track record on high-performance, low-latency systems, command of highly performant programming languages (C, Rust, C++, Go, Java, or similar), willingness and desire to flex into others, product minded, scope well, make good tradeoffs, don't need hand-holding, Demonstrable experience thriving in fast-paced and ambiguous environments, high-agency and ambition go hand-in-hand, Experience in TradeFi, prediction markets, crypto exchange infrastructure or SOR
Nice to Have
Background in sports, fantasy, or gaming, Proven experience building highly available, high-volume consumer-facing systems, Deep understanding of concurrency, threading models, and the tradeoffs in performance-sensitive systems
What You'll Do.
build and scale the systems that underpin our exchange infrastructure
and accuracy across the most critical paths in our platform
owning core components end to end
making system design decisions that matter
optimizing performance under real
high-throughput conditions
Build and scale core exchange infrastructure - order matching
trade execution algorithms
and the data structures that underpin them
Build APIs and data feeds that clients depend on - REST
WebSockets - and make them fast and reliable
Design robust clearing infrastructure
and how money actually moves
Hunt down performance bottlenecks - in databases
and anywhere latency is costing us
Put systems under pressure before production does - rigorous testing of the things that can't go down
Help invent what prediction market structure looks like beyond what exists today - new contract types
How You'll Work.
Team & Collaboration
work closely with teams across Underdog to hold a high bar on performance and availability for customers that expect both; Drive technical relationships with our customers (market makers, traders, etc.)
Process & Methodology
Move fast, make calls, and own the outcome
Full Job Description
At Underdog, we make sports more fun. Our thesis is simple: build the best products and we’ll build the biggest company in the space, because there’s so much more to be built for sports fans. We’re just over five years in, and we’re one of the fastest-growing sports companies ever, most recently valued at $1.3B. And it’s still the early days. We’ve built and scaled multiple games and products across fantasy sports, sports betting, and prediction markets, all united in one seamless, simple, easy to use, intuitive and fun app. Underdog isn’t for everyone. One of our core values is give a sh* t. The people who win here are the ones who care, push, and perform. If that’s you, come join us. Winning as an Underdog is more fun. Our exchange is the core technology powering our predictions market offering - we're building an entirely new foundation for sports predictions at scale, and we're looking for the engineers to help us do it right. The role We are building the future of prediction markets. You will design, build and scale the systems that underpin our exchange infrastructure — focusing on latency, reliability, and accuracy across the most critical paths in our platform. This means owning core components end to end, making system design decisions that matter, and optimizing performance under real, high-throughput conditions. The team is responsible for the APIs (FIX+REST+WebSockets), market data syndication, and connectivity that sophisticated clients depend on to interact with our markets. You will work closely with teams across Underdog to hold a high bar on performance and availability for customers that expect both. We are a team of highly accountable and ambitious people, and you see yourself the same way. This is high-ownership, high-impact work and your contributions will be visible and impactful. What you'll do Build and scale core exchange infrastructure - order matching, trade execution algorithms, and the data structures that underpin them Build APIs and da
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