Cinergy Technology

Job Title: Senior React JS Developer

Location: Woonsocket (Hybrid – 3 Days Onsite)

Employment Type: Contract (W2 Preferred)

Industry: Healthcare

Job Description

We are seeking a highly skilled Senior React JS Developer to join our healthcare client's technology team in Woonsocket, RI. This is a hybrid role requiring onsite presence 3 days per week. We are looking for strong frontend engineers with deep expertise in React JS and modern web application development.

Candidates who are willing to relocate are welcome to apply.

Required Experience

• Overall IT experience: 7–8 years
• Strong hands-on experience in React JS: 6–7 years
• Proven experience building scalable, enterprise-level web applications
• Experience working in Agile/Scrum environments

Required Skills

• Strong expertise in React JS, JavaScript (ES6+), TypeScript
• Experience with Redux, Hooks, Context API
• Strong knowledge of HTML5, CSS3, Responsive UI development
• Experience integrating REST APIs
• Familiarity with modern frontend tools such as Webpack, Babel, npm/yarn
• Experience with Git/version control systems
• Understanding of performance optimization and frontend best practices
• Strong debugging and problem-solving skills

Preferred Qualifications

• Prior experience working with healthcare clients/projects
• Experience with testing frameworks such as Jest or React Testing Library
• Knowledge of CI/CD pipelines
• Strong communication and collaboration skills

Responsibilities

• Design and develop responsive, high-performance frontend applications using React JS
• Collaborate with cross-functional teams including backend developers, QA, and business stakeholders
• Translate business requirements into technical solutions
• Write clean, maintainable, and reusable code
• Participate in code reviews and contribute to frontend architecture decisions
• Ensure application performance, scalability, and reliability

Work Model

• Hybrid role – 3 days onsite in Woonsocket, RI
• W2 candidates preferred
• Relocation candidates are acceptable