ReactJS Developer

Job Overview:

We are looking for a skilled and experienced React developer to join our web development

team. You will play a key role in designing and developing modern, scalable single-page

applications using React and related technologies. You will collaborate with cross-functional

teams, contribute to architectural decisions, and guide junior developers while remaining

hands-on with code.

Key Responsibilities:

● Design, develop, and maintain enterprise-grade React applications.

● Collaborate with UI/UX designers, product owners, and backend developers to deliver

efficient solutions.

● Contribute to and maintain scalable architecture and reusable component libraries.

● Ensure performance, accessibility, and responsiveness of applications.

● Review code and mentor junior developers, promoting best practices and clean code.

● Participate in sprint planning, technical discussions, and continuous improvement

initiatives.

● Research and propose modern frontend technologies and tools for future adoption.

● Create and maintain technical documentation.

Required Skills and Qualifications:

● 7+ years of experience in front-end development, with strong expertise in React and

Redux.

● Hands-on experience building Single Page Applications (SPA).

● Proficiency in JavaScript (ES6+) and TypeScript.

● Familiarity with frontend tooling: Webpack, Babel, ESLint, NPM/Yarn.

● Solid understanding of RESTful APIs, browser internals, and HTTP.

● Exposure to RxJS or similar reactive programming libraries is a plus.

● Should have experience in Hooks concepts.

● Familiarity with REDUX Middlewares like Saga or Redux Thunk.

● Knowledge of testing frameworks like Jest, React Testing Library, Cypress, etc.

● Experience working in Agile/Scrum teams.

● Strong communication and teamwork skills.

● Bachelor’s degree in Computer Science or a related field.

● Experience leading small teams or mentoring junior developers.

● Familiarity with CI/CD pipelines and code quality tools.

● Knowledge of accessibility (WCAG), internationalization (i18n), and performance tuning.

● Contributions to architectural decisions or project planning.

Company

Stackera is a leading Fintech Development Services company located in Pune. We are dedicated to delivering quality and innovative solutions to our clients with seamless service.

About the Role

We are looking for a Frontend Developer who is highly skilled in Next.js and modern JavaScript frameworks to join our frontend engineering team. This role is ideal for someone who is passionate about building user-friendly interfaces that are fast, responsive, and scalable.

You’ll be working on high-impact fintech products that require both technical excellence and creative thinking. Your work will directly influence user experience and engagement across a range of web applications, including financial dashboards, analytics platforms, and client portals.

What You’ll Do

• Design, develop, and maintain modern web applications using Next.js, React.js, and associated technologies.
• Collaborate with cross-functional teams including backend developers, UI/UX designers, and product owners.
• Translate UI/UX design wireframes into high-quality code with pixel-perfect accuracy.
• Build responsive, accessible, and cross-browser compatible components.
• Optimize application performance for speed, scalability, and usability.
• Integrate front-end logic with RESTful APIs and real-time systems (e.g., WebSockets).
• Write clean, reusable code and maintain clear documentation.
• Participate in sprint planning, daily stand-ups, and code reviews to ensure continuous improvement.
• Ensure security best practices in frontend implementation.

Required Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 5+ years of hands-on experience in frontend development using Next.js and React.js.
• Proficient in Redux, Hooks, Context API, and component-based architecture.
• Solid understanding of HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
• Experience building high-performance web applications with real-time data updates.
• Familiarity with frontend testing frameworks like Jest, Cypress, or similar.
• Ability to work in an agile environment with CI/CD processes.

Preferred (Good to Have)

• Exposure to Web3 technologies
• Experience with Ethereum, Solana, or other blockchain ecosystems.
• Understanding of containerized deployment using Docker.
• Familiarity with CI/CD tools like GitHub Actions, Jenkins, or GitLab CI.

What We Offer

• A collaborative and supportive team environment
• Exposure to cutting-edge projects in fintech and emerging tech
• Freedom to innovate and bring ideas to life
• Competitive compensation and performance-based growth
• Flexible work hours and focus on work-life balance

About Plum

We are making health insurance - simple, accessible and affordable. Hundreds of businesses of all sizes from startups to large corporates trust Plum for their employee's health protection.

Healthcare in India is seeing a phenomenal shift. Healthcare cost is seeing an inflation that is three times the general inflation. Treatments of diseases including Covid-19 can wipe out entire household savings. Majority of Indians won't be able to afford a health insurance on their own. As many as 600mn Indians would depend on employer-sponsored insurance.

Enter Plum. Plum is re-imagining the health insurance stack, and accelerating the penetration of health insurance in India to 100%. Plum has forged new underwriting and fraud detection algorithms to enable companies as small as 2 to benefit from a group insurance. The platform enables realtime insurance design & pricing to enable companies to buy insurance in 3-clicks. And offers employees a hassle-free claims experience through an integrated digital process.

Plum is backed by leading global investors including Tiger Global, Sequoia Capital, Tanglin Ventures and Incubate Fund (read more https://www.plumhq.com/blog/plum-series-a-funding">here)

About the role

Having found exceptional product/market fit, we’re in the midst of transitioning from 'start-up' to ‘scale-up’, and looking for a senior frontend engineer to help us scale Plum, and spearhead the frontend of our product.

You will have a direct impact on the customer experience through the design and implementation of new features and functionalities in our product. You'll work as part of a small but rapidly growing high-energy team delivering incredible, creative improvements to our product. You'll be in charge of reviewing the implementation of applications following code standards and style guides. You would analyze and build UI Pattern Libraries (Design Systems, UI Kits, etc.)

• Spec, build, test, and deliver new features while improving the performance and quality of the product.
• Run test-harness to guarantee the structure, integrity, and design of the application.
• Solve complex CSS, HTML, and User Interface compatibility issues across browsers.
• Optimize JavaScript implementations to ensure that code remains performant.
• Implement front-end development workflows: build systems, dependency management, quality checkers (linting), etc.
• Ability to push things over the line, ship awesome features, and delight customers.

• 2+ years of hands-on experience building web applications with JavaScript, HTML5, and CSS.
• Comfortable with Responsive Web Design and Development and weave out beautiful code in React.
• Strong product and design sensibilities and has an obsessive attention to detail.
• Write testable, maintainable code that's easy to understand.
• Understand complex problems and break them down into smaller tasks.
• Strong sense of ownership and integrity demonstrated through clear communication and collaboration.

• Build fast and efficient next-generation web applications
• Implement new features and optimize existing ones
• Collaborate with Designers to iterate on the design
• Work closely with Backend Engineers to integrate APIs and other services
•  Find and address performance issues
• Identify and communicate front-end best practices
• Customer-focused, whether responding to support queries or developing new features and functionality.
• Able to provide constructive feedback and effectively review code, guiding other UI engineers in the right direction

• 3+ years of experience in UI/frontend development.
• Hands-on experience using React as a front-end development framework.
• Sound knowledge of front-end development languages, tools and methodologies like HTML5, CSS3, JavaScript and associated technologies and toolsets (e.g. jQuery, Sass)
• Able to write front-end code that is cross-browser and cross-device friendly, through responsive or adaptive techniques is essential.
• Working knowledge of AWS for product development and deployment is preferred
• Experience using Continuous Integration (CI) / Continuous Delivery (CD) systems for development and deployment.
• Proven knowledge of Test-Driven Development (TDD).

Mentor To Go is an android and web based platform to help students improve their work readiness through self-learning sessions, personalised mentorship provided by mentor professionals from a range of careers, and work experience opportunities.

The technology platform implements  functionalities such as: screening surveys of mentors and mentees, training content for mentors, matching through an algorithm, and mentorship through the delivery of structured activities. 

The application technology architecture comprises of the following:

o   a Python Django web application with NGinx and Gunicorn

o   PostgreSQL database

o   A React Android and Web app

o   Rest APIs which interact between the Android app and the Django webserver

Our vision at Mentor To Go is to provide career mentorship to young people anywhere, anytime across the length and breadth of India.

We are looking for a frontend software developer who is passionate about using web technologies to solve social problems and creating experiences that are elegant and effective.    You will own the front end development of features  of the Mentor To Go web and mobile platforms, from conceptualisation through design and testing. You will work closely with other developers,the technical project manager, and the program operations team. You are user-centric, continuously demonstrate strategic & analytical abilities, and are laser focused on executing at speed. You must have the ability to succeed in a fast paced environment, where success is dependent on your ability to collaborate with cross-functional team members  in a positive, productive, and transparent way.

Minimum requirements

• Bachelor’s degree in engineering preferably  CS  or related discipline
• 3+ years experience with the development of applications for Android, iOS and  web preferably using React Native/ReactJS

• Experience working in Unix/Linux environments
• Experience with a complete mobile software development life cycle
• Strong written and oral communication skills
• Familiarity with version control software such as Git

Desired  requirements

• Strong written and oral communication skills
• Ability to participate in technical discussions and help make technical trade-offs

About Mentor Together

https://mentortogether.org/">Mentor Together is India’s first and largest youth mentoring  non-profit organization with a mission to facilitate empowering mentoring relationships and networks that help young people break the inequalities of opportunity and actualise their potential.

http://bit.ly/mentortogo">Mentor To Go is the world’s first mobile mentoring platform created by Mentor Together with the support of Cisco India, LinkedIn Social Impact, British Telecom and Sterlite Technologies.

• Looking for 0-30 Days and Immediate joiners
• Minimum total experience should be 7 Years
• Overall with 4+ years experience in HTML, CSS and JavaScript and OOJS
• 2+ years' experience working with any JavaScript framework/library, preferably ReactJS or VueJS
• In-depth understanding of JavaScript, HTML5, CSS3 (pre-processors LESS/SASS) and relevant concepts.
• Proficiency with browser based debugging.
• Understanding of progressive web apps.
• Experience with a testing framework (Jest/Mocha).
• Experience using Git