Java Front-End Senior Engineer - ReactJS & Modern Frameworks

Role: Java Front-End Senior Engineer - ReactJS & Modern Frameworks

Location: Windsor, CT or Atlanta, GA

Duration: Longterm Contract

Position Summary The Front-End Developer is responsible for architecting, developing, and maintaining secure, high-performance enterprise web applications with a focus on user experience and modern front-end technologies. This role combines hands-on coding with technical leadership, operational excellence, and collaboration across teams. The developer will drive front-end initiatives, shape scalable and maintainable UI systems, and deliver resilient solutions aligned with long-term business strategy.

Must-Have Requirements

• Technical Mastery: Extensive experience designing, developing, and maintaining scalable front-end applications using ReactJS, TypeScript, and modern frameworks (e.g., Redux Toolkit, Next.js, or similar), Good experience required with NodeJS.
• Enterprise Frameworks: Proven expertise with production-ready frameworks and libraries commonly used in large organizations, including advanced state management patterns.
• UI/UX Excellence: Strong understanding of responsive design, accessibility (WCAG), and cross-browser compatibility.
• API Integration: Experience integrating with RESTful and GraphQL APIs, ensuring security, performance, and efficiency.
• Testing & Quality: Hands-on experience with front-end testing frameworks (e.g., Jest, React Testing Library, Cypress) and championing BDD/TDD methodologies.
• Performance Optimization: Demonstrated ability to tune and optimize front-end performance; familiarity with monitoring and profiling tools (e.g., Lighthouse, Chrome DevTools).
• Security Best Practices: Understanding of front-end security, including XSS, CSRF, and secure session management.
• DevOps & CI/CD: Experience with CI/CD pipelines and tools (e.g., Azure DevOps, Jenkins, GitHub Actions) for front-end deployments.
• Collaboration: Proven track record of working with cross-functional teams (backend, product, design, DevOps, QA).
• Mentorship: Experience leading code reviews, technical mentorship, and team knowledge sharing.

Should-Have Requirements

• Design Systems: Experience building or contributing to design systems and reusable component libraries.
• Cloud Platforms: Familiarity with deploying front-end applications on cloud platforms (Azure, AWS, or similar).
• Infrastructure as Code: Exposure to infrastructure automation practices (e.g., Terraform) for front-end hosting.
• Analytics & Monitoring: Proactive monitoring of production systems for high availability and fast incident resolution.
• Security Assessment: Participate in threat modeling, security assessments, and code reviews to identify and remediate potential vulnerabilities.

General Requirements

• Education: Bachelor's or Master's degree in Computer Science, Engineering, or related field.
• Experience: 5+ years in front-end software development, with at least 2 years in a senior or lead engineering role.
• Programming Languages: Proficiency in JavaScript, TypeScript, and familiarity with HTML5/CSS3.
• Framework Mastery: Deep experience with ReactJS, Redux Toolkit, Next.js (or similar), and advanced state management.
• SDLC Knowledge: Deep understanding of systems integration, software development lifecycle, and agile methodologies.
• Communication: Excellent written and verbal communication skills; ability to engage with business stakeholders.

Recommended Qualifications

• Leadership: Experience influencing technical direction, mentoring junior engineers, and driving engineering standards.
• Strategic Thinking: Ability to balance immediate business needs with long-term technical scalability and innovation.
• Industry Certifications: Relevant certifications in front-end development, cloud, or software architecture.
• Business Acumen: Understanding of business value, cost implications, and strategic impact of technical decisions.
• Continuous Learning: Commitment to staying current with technology trends, best practices, and emerging tools.

Responsibilities

• Lead the design, development, and maintenance of scalable front-end applications and reusable UI components.
• Architect and implement secure, cloud-native, and production-ready front-end solutions.
• Drive CI/CD automation and DevOps best practices for front-end deployments.
• Mentor and guide engineering teams in front-end best practices.
• Collaborate with stakeholders to clarify requirements and deliver impactful user experiences.
• Ensure system reliability, performance, and maintainability.
• Participate in roadmap planning and strategy sessions.
• Promote simplicity, maintainability, and technical excellence.