Senior Software Engineer - Rust - Payward Services

As a Senior Software Engineer in Rust at Payward Services, you build and scale the systems powering an enterprise infrastructure platform that enables companies to integrate trading, payments, funding, and digital asset services. You'll work on real-time coordination across services and the infrastructure enterprise partners depend on to move money and assets safely, at scale, every day.

What you'll do

• Design and implement robust Rust services and libraries that power trading, payments, and crypto experiences with a focus on reliability, performance, and user impact
• Write reusable, testable, and highly efficient code that scales across teams and supports revenue-critical systems without compromising safety or security
• Collaborate on large-scale distributed systems architecture, translating evolving product requirements into resilient, low-latency solutions
• Work alongside experienced Rust engineers, contributing to a high-performance, product-driven engineering culture
• Autonomously debug issues across the stack, from OS and network to application layer
• Take complete end-to-end ownership of systems and libraries
• Provide mentorship to other engineers while contributing to defining the technical culture

What you bring

• 5+ years of software engineering experience
• Proficiency in writing network services or asynchronous code in Rust
• A security-first mindset during system design to ensure robustness
• A solid understanding of distributed systems and technologies, including RPC protocols, Kafka, and Event-Driven Systems
• The ability to collaborate effectively with product teams to gather requirements and constraints for system design

Nice to have

• Experience building B2B focused products, ideally in the fintech or crypto space

About Payward

Payward, the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks, has spent 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry.