We're looking for a hands-on Principal Full Stack Engineer to help build our next-generation SaaS application from the ground up. You'll work closely with Architects, Product Managers, UX Designers, and fellow engineers to define technical solutions, establish engineering best practices, and deliver secure, scalable, high-performance software. This role is ideal for a technical leader who enjoys writing code, solving complex problems, mentoring engineers and leveraging AI-assisted development to accelerate delivery with full shift-left and no QA.
What You'll Do:
Design, develop, and deliver scalable SaaS applications using .NET, Angular, SQL Server/PostgreSQL, and AWS.
Own end-to-end delivery of features—from domain modeling and backend services through frontend development, automated testing, deployment, and production support.
Generate production-ready code using AI Assisted development tools from Replit designs with internal design standards, reusable components, accessibility guidelines, responsive design principles, and frontend best practices.
Collaborate with Architects to define application architecture and validate technical approaches by building proof-of-concepts (PoCs) where appropriate.
Design solutions using modern architectural patterns including Domain-Driven Design (DDD), CQRS, Event-Driven Architecture, Backend-for-Frontend (BFF), and API Gateway.
Build modern Angular applications using standalone components, Signals, RxJS, Reactive Forms, and reusable component architecture.
Design efficient data models, optimize SQL performance, and implement scalable integration and messaging patterns.
Troubleshoot complex production issues, perform root cause analysis, and continuously improve system reliability and performance.
Mentor engineers through technical guidance, architecture discussions, code reviews, and knowledge sharing.
Leverage AI-powered development tools such as GitHub Copilot, Cursor, Claude Code, and agentic AI workflows to improve software quality and engineering productivity.
Required Qualifications:
10+ years of professional software engineering experience.Experience as a Principal, Lead Engineer, or equivalent technical leadership role.