Staff Software Engineer, Payments Orchestration: Transactions

Trustly • San Francisco, CA

4d

About The Position

Trustly is hiring a Staff Software Engineer to own Payments Orchestration: Transactions end to end, including its architecture, reliability, production operations, and future direction. The role covers the transaction path, payments APIs, transaction lifecycle and state, and coordination of payments across account data, risk scoring, and execution on bank rails.

The engineer will quickly learn and document a mature, business-critical codebase, using AI tools to support code understanding and implementation. They will work with engineers across the Americas and Europe to transfer knowledge, own service health and operational responsibilities, and help hire and lead the team that will own this domain.

Requirements

• Typically 10+ years building and operating production software systems, including several years owning systems at staff level or equivalent.
• Hands-on experience with payments, banking, or other financial systems where correctness, auditability, and uptime matter.
• Experience carrying the pager for systems built and improving them based on operational experience.
• A track record of taking over an unfamiliar, business-critical codebase and becoming its owner.
• Daily use of AI coding tools such as Claude Code, Cursor, or Copilot, with clear judgment about their appropriate use and the need for human review.
• Strong distributed-systems design skills, including data consistency, idempotency, and concurrency.
• Clear writing skills, including reusable design documents and incident write-ups.
• Production experience with Java or a comparable backend language.
• Experience owning transaction processing where correctness under concurrency and idempotency are critical.

Nice To Haves

• Experience with ACH, RTP, FedNow, or open banking.
• Experience helping build a new engineering hub or leading a major platform transition.

Responsibilities

• Own the architecture, service contracts, and production health of Payments Orchestration: Transactions.
• Operate the services, including on-call duties, SLAs, incident response, and root-cause fixes.
• Meet service observability standards and measurably improve the service each quarter.
• Use AI tools to understand existing code and produce design documents, interface definitions, and runbooks for engineers and AI agents.
• Partner with current system owners across the Americas and Europe to transfer knowledge.
• Direct AI-assisted implementation by writing and closing implementation plans, reviewing outputs against requirements, and owning integration testing.
• Help hire and shape the team responsible for the domain.

Benefits

• Flexible paid time off and generous PTO accrual plans.
• Comprehensive medical, dental, vision, and other insurances.
• FSA and HSA plans for medical and dependent care.
• Home office set-up allowance.
• Internet stipend.
• Retirement plan match for 401k and RRSP.
• Gender-neutral paid parental leave.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed