Senior Software Engineer

Company: Fraud Deflect Role: Senior Software Engineer Language: Native/fluent English. Resumes in English. About the role Own and evolve critical payments/back-office services end-to-end: design, build, ship, and operate API-first Python systems that automate disputes/chargebacks and related workflows. You’ll partner directly with clients and internal teams to translate business rules into reliable integrations, services, and data models— leveraging Linux, with a pragmatic DevOps mindset. Responsibilities Lead project execution: technical design, implementation plans, code reviews, and delivery coordination. Build and operate REST APIs in Python (versioning, idempotency, auth, webhooks, integrations). Own API integrations with external partners/processors: onboarding, validation, retries, error handling, and SLAs. Implement complex payments/chargeback business logic from requirements and client workflows; ensure correctness and auditability. Model API/domain data with strong data-struc...