Sr Software Engineer (React JS)

Unidel Group; Pune District; On-site; INR 900,000 - 1,200,000; Full time

Job summary

Unidel Group is seeking a Senior Software Engineer – Frontend (React JS) in Pune, India. The ideal candidate will design and maintain scalable web applications, working independently to translate business requirements into technical designs.

Strong expertise in React JS, TypeScript, and AWS is essential. The role involves ensuring high performance and security, along with participation in Agile/Scrum processes and collaboration with cross-functional teams.

Qualifications

• 4-6 years of experience in frontend development, specifically with React JS.
• Strong knowledge of secure coding practices and frontend optimization techniques.
• Experience with AWS services for deploying and hosting applications.

Responsibilities

• Design, develop, and maintain responsive web applications using React JS.
• Integrate frontend with backend systems using RESTful APIs.
• Implement secure coding practices and ensure application performance.

Skills

React JS

TypeScript

JavaScript (ES6+)

HTML5

CSS3

AWS Cloud Services

RESTful API integration

Agile/Scrum methodologies

Education

Bachelor's degree in computer science, IT, or equivalent

Tools

Git

JIRA

Confluence

Job description

• Designation - Sr Software Engineer
• Qualification - Bachelor's degree in computer science, IT, E&TC, Mechanical or equivalent.
• Location - Pune
• Experience - 4 - 6 Years

Job summary

We are looking for a highly skilled and self-driven Senior Software Engineer – Frontend (React JS) to design, develop, and maintain modern, scalable, and secure web applications. The ideal candidate should be capable of working independently, translating business requirements into detailed technical designs, and delivering high-quality frontend solutions deployed on AWS cloud infrastructure.

Key Responsibilities

• Design, develop, and maintain responsive, high-performance web applications using React JS.
• Develop clean, maintainable, and reusable code using TypeScript, JavaScript (ES6+), HTML5, and CSS3.
• Translate business and functional requirements into detailed technical specifications and design documents.
• Integrate frontend with backend systems using RESTful APIs, WebSocket, and MQTT.
• Implement secure coding practices, including encryption of data in transit (HTTPS, TLS).
• Implement unit and component testing using modern testing frameworks.
• Ensure cross-browser compatibility and consistent user experience across devices.
• Deploy and maintain frontend applications on AWS cloud services.
• Follow Agile/Scrum methodologies and actively participate in sprint ceremonies.
• Use JIRA and Confluence for task tracking and technical documentation.
• Perform code reviews and enforce best practices and coding standards.
• Collaborate with backend, QA, DevOps, and product teams.
• Proactively identify performance, security, and scalability improvements.
• Experienced in implementing secure development methodologies, ensuring robust protection of sensitive data and systems integrity

Mandatory Technical Skills

Core Frontend Strong hands-on experience with:

• React JS (4–6 years)
• TypeScript, JavaScript (ES6+)
• HTML5, CSS3, Responsive Web Design

AWS Frontend & Cloud Integration Hands-on experience with:

• AWS S3 – Hosting static web applications
• AWS CloudFront – CDN for global content delivery
• AWS API Gateway – API integration with backend services
• AWS Cognito – Authentication, authorization, JWT token handling
• AWS Amplify – CI/CD and frontend hosting (preferred)
• AWS WAF (basic) – Web security rules (preferred)
• AWS Route 53 (basic) – DNS configuration

Communication & Integration Experience with:

• RESTful API integration (JSON over HTTPS)
• WebSocket and MQTT for real-time communication
• CORS, browser security policies, and OAuth flows

Testing & Quality Experience with:

• Unit testing frameworks (Jest, React Testing Library, Mocha, etc.)
• Component and integration testing
• Code quality tools and linting

Security & Performance Solid understanding of:

• Secure coding practices
• Encryption in transit (TLS, HTTPS)
• Frontend performance optimization (lazy loading, caching, bundling, code splitting)

Tools & Process Proficient in:

• Git (branching strategies, pull requests)
• JIRA, Confluence
• Agile/Scrum development practices

Soft Skills

• Excellent verbal and written communication skills
• Ability to work independently with minimal supervision
• Strong analytical and problem-solving mindset
• Ability to create:
• Detailed Requirement Specifications
• Technical Design Documents
• Mentoring and technical leadership skills

Good to Have (Preferred Skills)

• Knowledge of:
• GDPR compliance principles
• ISO 2701...> }