Senior Full-Stack Engineer — React/TypeScript + .NET

Position Overview We are looking for a highly skilled and motivated Senior Full Stack Software Engineer to join our development team. In this exciting role, you will design, build, and support scalable web applications using React, TypeScript, C#, .NET, and REST APIs, delivering secure, reliable, and user-friendly solutions. The position offers the opportunity to serve as a change agent by driving innovation, improving technical capabilities, and helping move the business forward through thoughtful, high‑impact engineering solutions. The ideal candidate brings strong technical depth across the stack, takes ownership of complex initiatives from design through deployment, and collaborates effectively with product, design, QA, engineering, and business partners to deliver high-quality software. Essential Duties and Responsibilities Design, develop, and maintain scalable web applications using React and TypeScript for front‑end development and C#/.NET for back‑end services Build, enhance, and support secure, scalable REST APIs and service integrations that meet business and technical requirements Lead or contribute to technical design discussions, making sound architecture decisions that support maintainability, performance, and scalability Collaborate with product, design, QA, engineering, and business partners to translate requirements into high-quality technical solutions Participate in the full software development lifecycle, including requirements gathering, design, coding, testing, deployment, monitoring, and ongoing maintenance Apply software engineering best practices, including secure coding, automated testing, code reviews, and CI/CD workflows, to deliver reliable and maintainable solutions Use GitHub and related development tools to support version control, collaboration, and efficient engineering workflows Leverage AI‑assisted development tools appropriately to improve productivity while validating AI‑generated output for correctness, security, maintainability, and alignment with engineering standards Troubleshoot and resolve application, integration, and performance issues, identifying root causes and implementing durable solutions Provide technical guidance and mentorship to other developers through collaboration, knowledge sharing, and constructive code reviews Temporary or permanent duties and responsibilities may be added to or modified as deemed necessary Qualification Requirements Bachelor’s degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience 5+ years of professional full‑stack software engineering experience building and supporting production web applications Strong front‑end development experience with React and TypeScript, including component‑based architecture, state management, and responsive UI development Strong back‑end development experience with C# and .NET building secure, scalable REST APIs and service integrations Proficiency with relational databases and data access patterns, including schema design, query optimization, and ORM frameworks Experience with version control and collaborative development workflows using GitHub Familiarity with AI coding tools such as GitHub Copilot and Claude Code to support developer productivity, code generation, and technical workflows Demonstrated understanding of AI‑assisted development and review best practices, including validating AI‑generated output, applying secure coding standards, and maintaining human accountability for code quality and correctness Hands‑on experience with automated testing, code reviews, and CI/CD pipelines to support reliable software delivery Understanding of software architecture, design patterns, and best practices for building maintainable, high‑performance applications Experience working in Agile development environments and collaborating effectively with product, design, QA, and other cross‑functional teams Strong troubleshooting, analytical, and problem‑solving skills with the ability to independently diagnose and resolve technical issues Preferred Skills Experience working with cloud platforms (e.g., AWS) Familiarity with microservices architecture and containerization (Docker/Kubernetes) and serverless compute Interest in Data Engineering work, familiarity with Python is a plus Supervisory Responsibilities This position does not have supervisory responsibilities. Compensation $140,000 – $175,000 per year #J-18808-Ljbffr Fontainbleau