Senior Full Stack Developer
תיאור משרה
About the Role
We are looking for a Senior Full Stack Developer to join a CommIT team delivering mission-critical systems for a leading financial institution. You will own features end-to-end across the full stack, working in a secure, highly regulated banking environment where reliability, code quality, and disciplined process matter as much as speed.
This is a hands-on senior role on a layered enterprise architecture. You will be expected to operate confidently across all tiers — from the React client through to the core banking integration — and to raise the engineering bar for the team. We build with modern, AI-assisted workflows, so developers who are fluent with tools like Cursor and Claude Code will feel at home.
Architecture at a Glance
You will design and build across a layered banking architecture, understanding the responsibilities and boundaries of each tier and how data and transactions flow through them:
Client (React) ? BFF (Next.js / JavaScript) ? Middleware (.NET / C#) ? Core Banking
?Key Responsibilities
• Design, build, and maintain full-stack features end-to-end across the client, BFF, and middleware tiers.
• Develop responsive, accessible UIs in React and build the Backend-for-Frontend layer in Next.js / JavaScript.
• Implement and integrate middleware services in .NET / C#, connecting to core banking systems and third-party financial APIs.
• Write secure, well-tested, maintainable code, with unit and integration test coverage as part of the definition of done.
• Work within the bank's SDLC and governance — change management, environment promotion, security and compliance gates, code review, and release control.
• Participate in design discussions and code reviews; mentor team members and improve engineering practices.
• Collaborate with product, QA, architects, and the client's teams in a delivery-focused, client-facing setting.
דרישות התפקיד
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.
Advantages
• Banking / financial domain depth — prior experience with core banking, payments, or other financial systems.
• AI-assisted development — hands-on experience with tools such as Cursor or Claude Code (ideally 1+ year). A meaningful plus on this team.
• Cloud & modern infra — AWS, microservices, containers (Docker / Kubernetes).
• Local context — familiarity with the Israeli banking landscape and Hebrew.
* משרה זו פונה לנשים וגברים כאחד.
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