Full Stack Engineer $1000 USD Sign-on Bonus ID69805

Join us and earn $1000 USD Sign-on Bonus AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. **WHY JOIN US** If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! **ABOUT THE ROLE** We are looking for a **Senior/Lead Full Stack Engineer** to build and scale core capabilities of an enterprise DEX platform trusted by large enterprise customers, working across C#/.NET on the backend and React with TypeScript on the frontend. You will design APIs, build high-availability database systems, deliver accessible and performant user interfaces, and mentor junior engineers across both disciplines. The role expects active use of AI-assisted development tools such as GitHub Copilot as part of the daily engineering workflow. **WHAT YOU WILL DO** - Build, enhance, and scale core platform capabilities in C#/.NET; - Define architecture, design, and develop new backend features and services; - Design and implement common APIs following architecture guidelines and best practices; - Design and build high-availability, high-quality database systems; - Optimize performance, reliability, and scalability using modern tooling and techniques; - Monitor core platform performance and proactively propose improvements; - Ensure backend solutions are secure, stable, scalable, and efficient; - Develop responsive, accessible, and high-performing user interfaces using React and TypeScript; - Collaborate closely with UX/UI designers to translate designs into production-ready implementation; - Integrate front-end applications with REST/GraphQL APIs, collaborating on API contract design; - Maintain front-end quality through testing, reviews, and best practices; - Work independently on solutions and be accountable for time and quality commitments; - Participate actively in sprint planning, technical design discussions, and continuous improvement initiatives; - Coach and mentor junior engineers across backend and front-end disciplines; - Act as an advisor to product owners on technical feasibility and delivery estimates; - Communicate with customers to analyze and resolve product defects or support major implementations; - Stay up to date with developments across cloud, backend, front-end, and AI-assisted engineering. **MUST HAVES** - **6+ years of professional software development experience**; - Strong expertise in **.NET (C#) and SQL**, with a focus on backend/API development; - Commercial experience with modern UI frameworks, such as **React, Angular and VueJs**; - Experience with **GitHub Copilot or similar AI developer tools**; - Solid knowledge of **TypeScript and modern JavaScript (ES6+)**; - **AI-empowered mindset**: proven experience optimizing enterprise-level solutions with AI-assisted engineering; - Experience designing and consuming **REST and/or GraphQL APIs**; - Experience writing and maintaining **automated tests** (unit, integration, and/or UI); - Strong understanding of **Clean Code, SOLID principles, and design patterns**; - Experience working on **distributed, cloud-based systems**; - Excellent debugging skills and strong root-cause analysis capabilities; - Understanding of **secure coding principles and best practices**; - Fluency in English; - Experience with **cloud native technologies**; - Experience delivering **containerized solutions (Docker)**. **NICE TO HAVES** - University degree in Computer Science, Engineering, or a related field; - Experience with UI component libraries (such as MUI Base, MUI Core, Radix UI, etc.); - Understanding of web accessibility standards (WCAG); - Experience with observability platforms (e.g. DataDog) and structured logging; - Exposure to CI/CD tooling such as Kustomize, ArgoCD; - C++ language experience is a pl…