Overview As a Full Stack Developer who is Backend heavy, you’ll be part of an agile product team delivering new features to a suite of sustainability applications for our Payments, FinTech team. It owns Shared Wallet, a high-impact initiative covering tokenization of payment accounts, digital wallet (Apple Pay) APIs, offline payor capabilities, and related payment services. You will join a small pod as its senior technical lead. Responsibilities • Own technical design for Shared Wallet services, from architecture through rollout, and make and document key design decisions. • Serve as the senior reviewer on pull requests, setting the bar for code quality, security, and test coverage. • Lead resolution of complex production and integration issues across payment flows, using centralized logging and reporting to diagnose and prevent recurrence. • Mentor the Developer I and Developer II on the team, including design reviews, pairing, and career growth. • Partner with product, QA, architecture, and security on scope, estimates, and delivery, and keep the pod's commitments predictable. • Build and ship features hands-on; this is a working lead role, not a management role. Qualifications • 8+ years of professional software engineering experience, with strong • C# and .NET Core backend development. • Proven experience designing, building, and owning production REST APIs on .NET Core. • Hands-on experience with AWS and DynamoDB, including data modeling for NoSQL access patterns. • Experience designing distributed, API-based systems with attention to reliability, idempotency, and failure handling. • Experience with centralized logging, monitoring, and reporting for production support. • Hands-on experience in payments or financial services (card/ACH processing, tokenization, PSP or gateway integrations, or digital wallets). • Working knowledge of secure development for regulated data, ideally PCI DSS. • Strong track record of code review, technical mentoring, and raising a team's engineering standards. • Clear written and verbal communication, including documenting designs for cross-team review. Nice to Have: • • Experience with Azure DevOps. • FinTech background or payments domain experience • Experience with CI/CD pipelines. • Infrastructure as code, observability, and incident response practices.