Senior Full Stack Engineers

Kforce's client in Fort Myers, FL is seeking an experienced Senior Full Stack Engineer to architect, develop, deploy, and maintain modern full-stack applications supporting critical business operations. This is a highly hands-on role for an engineer who can own solutions from architecture through production deployment and ongoing support. Summary: The ideal candidate brings deep experience across C#, Node.js, React/Vite, PostgreSQL, SQL Server, Redis, and MongoDB, along with a strong background designing and supporting distributed systems. This individual should be comfortable working independently, translating business requirements into scalable technical solutions, and contributing to engineering standards and long-term application strategy. Key Responsibilities:

• Architect, develop, deploy, and maintain scalable full-stack applications
• Build modern frontend applications using React and Vite
• Develop production-grade backend services, APIs, integrations, and business logic using C# and Node.js/Fastify
• Design distributed systems incorporating backend services, middleware, API routing, service workers, and business logic
• Design, query, maintain, and optimize PostgreSQL and SQL Server databases
• Utilize Redis for caching and performance optimization and MongoDB for document-based workloads
• Own solutions throughout the full Software Development Lifecycle (SDLC), including requirements, architecture, development, testing, deployment, monitoring, and maintenance
• Support CI/CD pipelines, Git-based version control, automated testing, code reviews, and release management
• Troubleshoot application performance, scalability, reliability, and production issues
• Create technical documentation, architecture diagrams, API documentation, deployment procedures, and engineering roadmaps
• Partner with business and technical stakeholders to translate evolving requirements into maintainable technical solutions
• 8-12+ years of professional software engineering experience with strong full-stack development expertise
• 3-5+ years of experience designing or supporting distributed systems in production
• Advanced experience with C# and Node.js, including production services, APIs, integrations, and business logic
• Strong frontend development experience with React and Vite, including component architecture, state management, and performance optimization
• Strong experience with PostgreSQL and/or SQL Server
• Working experience with Redis and MongoDB
• Experience designing APIs, middleware, routing layers, backend services, and end-to-end application architectures
• Strong understanding of RESTful APIs and modern application integration patterns
• Experience with Git, CI/CD, automated testing, deployment, and release management
• Strong understanding of Agile development practices and the complete SDLC
• Ability to independently create technical documentation, architecture plans, and project roadmaps
• Strong troubleshooting, analytical, and problem-solving skills
• Ability to translate complex business requirements into practical technical solutions
• Strong written and verbal communication skills

• Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline
• Experience working in manufacturing, engineering, technology, or another complex enterprise environment
• Experience with Fastify, cloud application deployment, and modern Node.js development
• Familiarity with application monitoring, logging, and observability tools
• Experience mentoring engineers or establishing engineering standards
• Experience modernizing legacy applications and designing scalable platforms