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About the Role

As a Senior Software Engineer in Payward Services, you will build and scale the systems that power our enterprise infrastructure platform, enabling companies to seamlessly integrate trading, payments, funding, and digital asset services. You will focus on real-time coordination across services and the infrastructure enterprise partners depend on to move money and assets safely, at scale, every day. We are looking for builders who thrive in ambiguity, move quickly with ownership, and care deeply about creating robust solutions.

Responsibilities

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 hundreds of experienced Rust engineers, contributing to a high-performance, product-driven engineering culture.
Provide mentorship to other engineers while contributing to defining the technical culture.

Requirements

5+ years of software engineering experience
Proficient in writing network services or asynchronous code in Rust
Have a security-first mindset during system design to ensure robustness
Demonstrate the ability to autonomously debug issues across the stack (OS, network, application)
Apply a solid understanding of distributed systems and technologies, including RPC protocols, Kafka, and Event-Driven Systems, to design scalable solutions
Collaborate effectively with product teams to gather requirements and constraints for designing appropriate systems
Take complete end-to-end ownership of systems and libraries

Skills

Rust
Network services
Asynchronous code
Security-first mindset
Distributed systems
RPC protocols
Kafka
Event-Driven Systems

Location

Remote

Work Type

Full-time

Experience Level

Senior

About the Company

Payward, the parent company behind Kraken, NinjaTrader, Breakout, xStocks, Payward Services and CF Benchmarks, has spent the last 15 years building one of the most modern and globally accessible financial infrastructure platforms in the industry, built to advance an open, global financial system.
Payward Services is an enterprise infrastructure platform that enables companies to seamlessly integrate trading, payments, funding, and digital asset services through a single unified system.
It provides coordinated liquidity, custody, compliance, risk management, and settlement capabilities, reducing operational complexity for fintechs, banks, brokerages, and payment providers.

Equal Opportunity

We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.
Payward is powered by people from around the world and we celebrate the diverse talents, backgrounds, contributions, and unique perspectives that everyone brings to the table.
We hire based on merit, seeking out people with the right abilities, knowledge, and skills for the job.
We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgeable about crypto.
We may ask candidates to complete job-related skills or work-style assessments as part of our hiring process.
As an equal opportunity employer, we don't tolerate discrimination or harassment of any kind, whether based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status, or any other protected characteristic as outlined by federal, state, or local laws.