Senior Full-Stack Developer (.NET/React)

Access Softek has been building software for the financial industry for over 30 years. Headquartered in Berkeley, California, we work with hundreds of banks and credit unions across the U.S., helping them deliver modern digital banking experiences to millions of users. We are looking for a Senior Full-Stack Software Developer to join our Business Banking & External Payments Team . This team builds and supports business banking and external payment features used in real financial workflows. Their work includes ACH transfers, checks, bill pay, balance transfer, and business payment tools — the kinds of functionality that combine customer-facing product work with integration-heavy backend logic. The team works in a SAFe environment and is a strong fit for an engineer who likes solving practical full-stack problems in a complex domain. You will work with React, TypeScript, C#, .NET, SQL Server, and AWS , partnering closely with product managers, QA engineers, and developers in a distributed team. AI tools are also part of the team’s everyday workflow, helping developers move faster with coding, debugging, refactoring, testing, and documentation. Important: this role requires at least 4 hours of overlap with morning Pacific Time (6–10 AM PST) .