Description Robert Half is seeking a Senior Full-Stack Developer to lead the evolution of modern web applications and cloud-native systems for our client in Wisconsin. This role will take AI-assisted prototypes and transform them into secure, scalable, production-grade solutions. You will own application architecture across the stack and help guide the transition from legacy platforms to modern web technologies.
This is a hands-on technical leadership role for someone who can move quickly, think strategically, and balance speed with long-term maintainability.
Key ResponsibilitiesApplication Development
- Own and productionize modern React and TypeScript applications, refactoring prototype or AI-generated code into secure, maintainable systems.
- Design and build API-first, cloud-native full-stack solutions using JavaScript/TypeScript, Node.js, and relational or NoSQL databases.
- Implement complex business logic such as pricing rules, workflow automation, and multi-level authorization.
- Support and modernize legacy components as needed.
Cloud & Architecture
- Design and maintain scalable cloud-native architectures.
- Develop serverless backend services and optimize database performance.
- Implement secure document storage and file management solutions.
- Enforce security best practices, identity management, and access controls.
API & Database Development
- Design and optimize relational and NoSQL database schemas.
- Build RESTful APIs with structured service layers and role-based access.
- Implement event-driven and real-time data patterns.
- Manage third-party integrations, data migrations, and ETL processes.
DevOps & Deployment
- Establish CI/CD pipelines for automated testing and deployment.
- Configure hosting environments and manage environment variables and secrets.
- Implement monitoring, logging, and performance optimization.
- Ensure reliability, scalability, and cost efficiency.
Collaboration & Leadership
- Mentor team members transitioning from legacy or low-code platforms to modern web stacks.
- Conduct code reviews and establish development best practices.
- Translate business requirements into technical solutions.
- Document architecture decisions and development standards.
- Bridge rapid prototyping efforts with production-ready deployment.
Requirements Required Qualifications
- 5+ years of professional software development experience.
- Advanced proficiency in React, Node.js, JavaScript, and TypeScript.
- Strong experience designing RESTful APIs.
- Hands-on experience with cloud platforms and serverless architectures.
- Experience with relational and NoSQL databases.
- Solid understanding of authentication, authorization, and security best practices.
- Experience with version control and collaborative development workflows.
- Proven ability to refactor and harden rapidly developed or AI-generated code.
- Strong debugging skills across frontend, backend, and infrastructure.
Preferred Qualifications
- Experience with AI-assisted development tools.
- Background working with low-code or legacy platforms.
- Familiarity with modern UI frameworks and component libraries.
- Experience building internal business systems such as inventory, financial, or workflow platforms.
- Experience with infrastructure as code and DevOps automation.
- Real-time application development experience.
- Experience integrating third-party APIs in enterprise environments.
Professional Traits
- Self-directed and proactive problem solver.
- Strong communicator who can explain technical concepts clearly.
- Committed to code quality, security, and user experience.
- Comfortable balancing business deadlines with architectural integrity.
- Enjoys mentoring and elevating teammates.
- Adaptable in a fast-moving environment.
Technology Doesn't Change the World, People Do.
Robert Half is the world's first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.
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All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.
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