Senior React JS Developer (TypeScript, Responsive UI, Redux)

Job Summary:
Synechron is seeking a highly skilled Senior React JS Developer to design, develop, and optimize enterprise-grade web applications. This role is vital in delivering innovative, high-performance front-end solutions that are responsive, scalable, and aligned with modern web standards. The successful candidate will collaborate closely with cross-functional teams to create seamless user experiences, ensure code quality, and implement best practices, ultimately supporting our clients’ digital transformation objectives.

Software Requirements:
Required:

• Proficiency with React.js, including hooks, lifecycle methods, and state management
• Strong experience with TypeScript, HTML5, CSS3, Tailwind CSS, and CSS-preprocessors or CSS-in-JS solutions like Styled Components
• Development and implementation of responsive UI components
• Experience with build tools such as Webpack, Babel, npm, and yarn

Preferred:

• Familiarity with modern front-end testing frameworks like Jest, Enzyme, or Jasmine
• Experience with performance monitoring and optimization tools (e.g., Lighthouse, Chrome DevTools)
• Knowledge of version control systems like Git

Overall Responsibilities:

• Design, develop, and maintain high-performance, responsive web applications using React and TypeScript
• Develop reusable UI components and libraries in accordance with user experience and accessibility standards
• Collaborate with UX/UI designers, back-end developers, and product managers to deliver seamless interfaces that meet business needs
• Write well-documented, clean, and testable code while adhering to best practices and coding standards
• Optimize application performance, including load times and responsiveness
• Monitor and improve front-end application performance and scalability
• Participate in code reviews, Agile ceremonies, and continuous improvement initiatives
• Stay updated with the latest trends and technological advancements in front-end development

Technical Skills (By Category):

Programming Languages:

• Essential: JavaScript (ECMAScript 2020 or later), TypeScript
• Preferred: Basic familiarity with JavaScript frameworks/libraries beyond React

Frameworks and Libraries:

• React.js (core principles, Hooks, Context API, React Router)
• State management libraries such as Redux, MobX, or Context API
• CSS-in-JS solutions like Styled Components or Emotion
• UI libraries (optional but advantageous)

Development Tools & Methodologies:

• Webpack, Babel, npm, yarn
• Version control with Git (GitHub, Bitbucket, etc.)
• Testing frameworks such as Jest, Enzyme, Jasmine
• Familiarity with CI/CD pipelines and deployment tools

Build & Performance Optimization:

• Breadth of experience with responsive design, cross-browser compatibility, and performance benchmarking tools (Lighthouse, Chrome DevTools)

Databases/Data Management / Cloud:

• Not primary, but familiarity with RESTful APIs, JSON, and back-end integration helpful
• Cloud deployment experience is a plus but not mandatory

Experience Requirements:

• 5-9 years of professional coding experience with React.js and front-end technologies
• Demonstrable experience building scalable web applications for enterprise environments, ideally in banking or retail sectors
• Strong background in TypeScript, HTML, and CSS, with a focus on high-performance applications
• Experience with Agile development methodologies and collaborative team environments
• Alternative experience pathways include extensive experience with relevant JavaScript frameworks and leading large-scale front-end projects

Day-to-Day Activities:

• Develop and refine interactive, user-friendly, and performant web interfaces
• Write and maintain modular, reusable, and well-tested UI components
• Collaborate with designers, product owners, and back-end teams during sprint planning and reviews
• Perform code reviews, provide constructive feedback, and improve code quality standards
• Monitor application performance, troubleshoot issues, and optimize front-end delivery
• Participate actively in Agile ceremonies such as daily stand-ups, sprint planning, and retrospectives
• Stay informed on the latest React features, best practices, and front-end development trends

Qualifications:

• Bachelor’s degree or higher in Computer Science, Software Engineering, or related fields (or equivalent industry experience)
• Relevant certifications (e.g., React Certification, Front-End Developer certifications) are preferred
• Proven experience in designing and delivering enterprise web applications with React & TypeScript

Professional Competencies:

• Strong critical thinking and problem-solving skills
• Effective communication and interpersonal skills to articulate technical ideas to diverse audiences including senior management
• Self-motivated with the ability to work independently and drive results
• Adaptability to evolving project requirements and emerging technologies
• Strong teamwork and collaboration skills
• Time management skills to prioritize tasks efficiently

S​YNECHRON’S DIVERSITY & INCLUSION STATEMENT
 

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.

All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

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