Staff Software Engineer – Backend (Consumer, Wallet & Commerce)
BoltFull Time
Expert & Leadership (9+ years)
Candidates should have 5+ years of software engineering experience, with proficiency in Rust and TypeScript/Node.js or Python. A strong track record of building scalable, production-grade APIs and services is required, along with a security-first mindset and the ability to autonomously debug issues across the stack. Solid understanding of distributed systems, RPC protocols, Kafka, and Event-Driven Systems is necessary, as is experience integrating with banking APIs, payment gateways, and internal financial platforms in high-scale settings. Experience collaborating with product teams and taking end-to-end ownership of systems is also expected, with mentorship experience being desirable.
The Backend Engineer will design and implement secure, scalable backend services for payment integrations and treasury operations, working at the intersection of crypto and fiat rails. Responsibilities include developing reusable libraries, APIs, and tooling, and architecting and maintaining core financial infrastructure for cash management, reconciliation, fund routing, liquidity optimization, and reporting. The role involves automating treasury workflows, ensuring the accuracy and auditability of financial data, and writing clean, testable Rust and TypeScript/Node.js or Python code. Engineers will take full ownership of systems from design to production monitoring, collaborate cross-functionally with various teams, and monitor and troubleshoot live systems to ensure high availability and performance.
Cryptocurrency exchange for buying and trading
Kraken is a cryptocurrency exchange platform that allows users to buy, sell, and trade various digital assets. It offers features that cater to both beginners and experienced traders, making it easy to navigate the cryptocurrency market. Users can execute trades with high liquidity, which means their transactions are completed quickly. The platform charges low transaction fees, sometimes as low as 0%, helping users keep more of their profits. Kraken also provides advanced charting tools to help investors track their investments effectively. Security is a major focus, with multiple protective measures in place to keep user assets safe. The platform supports 70 different asset pairs and is continuously expanding its offerings. Additionally, Kraken offers 24/7 global support to assist users with any questions or issues.