Must-Have Qualifications • 5+ years of professional full-stack development experience. • Front-end: strong React, including modern patterns, state management, and component architecture. • BFF / JavaScript: hands-on experience building Backend-for-Frontend layers with Next.js (Node / JavaScript / TypeScript). • Middleware: solid .NET / C# development, building services and integrations. • Layered architecture: proven experience designing and developing across a Client → BFF → Middleware → Core structure, with a clear grasp of each tier's responsibilities and boundaries. • Banking / regulated SDLC: experience working within a bank's (or comparable regulated enterprise's) software development lifecycle — formal change management, security and compliance gates, and release governance. • Testing: strong testing discipline with hands-on unit and integration testing using NUnit (.NET) and Jest (JS/TS). • Fundamentals: REST APIs, relational databases (e.g. SQL Server / Oracle / PostgreSQL), Git, and CI/CD pipelines. • Messaging / event-driven: hands-on experience with messaging and event-streaming tools such as RabbitMQ and Kafka, and asynchronous integration patterns between services. • State machines: deep knowledge of state machine design and implementation for modeling complex, multi-step workflows and transaction lifecycles. • Security mindset: writes with security and data sensitivity front of mind, appropriate to a banking context. • Communication: strong verbal and written English; effective in a collaborative, client-facing delivery environment.