Senior Software Engineer Rust Core Services
Payward, Inc. is the parent company and operating platform behind Kraken and a portfolio spanning trading, custody, payments, lending, tokenized assets, onchain finance, and benchmarks.
Funding history
Investors
Projects
About Payward, Inc.
Payward operates unified financial infrastructure across crypto and traditional markets, including shared liquidity, risk and margin systems, collateral and settlement, compliance, and licensing. Its first-party portfolio includes Kraken, Kraken Pro, NinjaTrader, Breakout, xStocks, Payward Services, CF Benchmarks, Reap, Krak, Kraken Prime, Kraken OTC, Kraken Custody, and Bitnomial.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will design and implement robust Rust services and foundational libraries for core infrastructure. You will write efficient, reusable, testable code; shape distributed systems architecture; and build low-latency, fault-tolerant services with strong security, observability, and operational resilience.
Requirements
- 7+ years of software engineering experience
- Experience building and scaling shared systems and internal platforms
- Rust network services or asynchronous programming
- Security-first system design
- Cross-stack debugging across operating system, network, and application layers
- Distributed systems
- RPC protocols
- Kafka
- Event-driven systems
- Requirements gathering
- End-to-end systems ownership
Responsibilities
- Design and implement robust Rust services and foundational libraries
- Write reusable, testable, efficient code for scalable production environments
- Collaborate on distributed systems architecture
- Build low-latency, fault-tolerant services