Backend Software Engineer

About the company Our client is a fast-growing financial technology company. The role Raydar is recruiting for this role on behalf of our client. Own the backend services that handle payment flows and identity checks as a product moves into live production use. The work covers security, reliability, compliance controls and performance, with an emphasis on correctness and recoverability. What you'll do - Build protective controls into the code itself, keeping sensitive card data scope small and covering credentials, permissions, activity records and attack analysis. - Manage cloud infrastructure as code, along with automated build and deployment pipelines, staged releases and rollback procedures. - Ensure payment authorization, settlement and reconciliation logic is safe to retry, traceable and easy to recover. - Set and monitor reliability targets, add instrumentation, prevent outages and write clear operational runbooks. - Improve response times on the transaction path and reduce the cost of each transaction. - Set architecture direction, write production code and take on-call responsibility for the systems you ship. Requirements What we're looking for - Experience building backend systems that other engineers and teams rely on. - Solid grasp of keeping operations correct when things fail, including repeat-safe requests, retries, distributed state and failure modes. - Everyday safety habits: limiting access to what is needed, handling credentials with care, keeping activity records and anticipating how a system could be attacked. - Hands-on experience with cloud infrastructure and infrastructure as code. - Proficiency in TypeScript or Python. - Clear written communication about incidents, root causes and fixes. - Availability to work roughly six days a week, Sunday through Friday. - 2 to 5 years of relevant experience. Bonus points - Experience with AWS. Benefits Compensation and benefits - Base salary: USD 140,000 to 300,000 per year - Health, dental and vision coverage Location and work model - San Francisco, California, United States - On-site - Roughly 6 days a week (Sunday through Friday), with flexibility on weekends - Full-time