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

Preferred Qualifications:

• 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

The pay range is the lowest to highest compensation we reasonably in good faith believe we would pay at posting for this role. We may ultimately pay more or less than this range. Employee pay is based on factors like relevant education, qualifications, certifications, experience, skills, seniority, location, performance, union contract and business needs. This range may be modified in the future.

We offer comprehensive benefits including medical/dental/vision insurance, HSA, FSA, 401(k), and life, disability & ADD insurance to eligible employees. Salaried personnel receive paid time off. Hourly employees are not eligible for paid time off unless required by law. Hourly employees on a Service Contract Act project are eligible for paid sick leave.

Note: Pay is not considered compensation until it is earned, vested and determinable. The amount and availability of any compensation remains in Kforce's sole discretion unless and until paid and may be modified in its discretion consistent with the law.

This job is not eligible for bonuses, incentives or commissions.

Kforce is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

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