React.js Developer

Front-End Developer (React.js) – Mumbai | Immediate Joiners

Location: Mumbai

Experience: 2+ Years

Job Type: Full-Time

Notice Period: Immediate Joiners Only

About the Role

We are hiring a Front-End Developer to join our product engineering team. The ideal candidate has experience working in product-based companies and has contributed to at least one end-to-end e-commerce platform project.

Key Responsibilities

• Develop and maintain responsive UIs using React.js
• Convert UI/UX designs into reusable front-end components
• Optimize components for performance and cross-browser compatibility
• Integrate front-end with backend RESTful APIs
• Collaborate with product, design, QA, and backend teams
• Participate in code reviews, agile ceremonies, and testing

Required Skills

• Strong in JavaScript (ES6+), React.js, HTML5, CSS3
• Experience with Redux/Zustand for state management
• Knowledge of REST APIs, responsive design, and Git
• Familiarity with debugging and front-end performance optimization

About Rupeestop

Rupeestop is a fintech platform helping people take control of their financial future through highly personalized investing experiences. We are building intuitive, trustworthy, and delightful financial products—designed to simplify complex financial decisions for everyday users.

We move fast, experiment often, and iterate relentlessly. We are looking for a Frontend Intern who is technically curious, detail-oriented, and excited to turn high-fidelity designs into seamless digital reality.

Role Overview

We are seeking an In-Office Intern in Jaipur who is efficient in frontend development and specializes in Next.js. You will be responsible for bridging the gap between design and implementation, working closely with our UI/UX Lead to build responsive, high-performance web interfaces that reflect our premium brand identity.

Key Responsibilities

• Build & Deploy: Develop responsive and user-friendly web interfaces using React and Next.js.
• Design-to-Code: Translate high-fidelity Figma wireframes and prototypes into functional, pixel-perfect frontend components.
• API Integration: Integrate REST APIs and manage dynamic data rendering for investment dashboards and user portfolios.
• Performance Engineering: Assist in implementing Server-Side Rendering (SSR), static site generation, and reusable component architectures.
• Optimization: Focus on application performance, core web vitals, and basic SEO to ensure a top-tier user experience.
• Quality Control: Debug and resolve frontend issues across various devices and browsers to maintain a "trust-first" fintech experience.
• Collaboration: Work directly with our UI/UX designer and backend engineers to ensure design feasibility and smooth handoffs.
• Best Practices: Follow clean coding standards, maintain organized documentation, and participate in version control (Git) workflows.

Key Skills & Qualifications

• Modern Web Tech: Strong proficiency in HTML5, CSS3, and JavaScript/TypeScript.
• Frameworks: Practical experience with React and a solid understanding of Next.js (Routing, Hooks, Data fetching).
• Styling: Proficiency in Tailwind CSS or similar utility-first styling frameworks.
• Version Control: Comfortable with Git/GitHub and collaborative development workflows.
• Design Literacy: Ability to interpret Figma files, including auto-layouts, components, and spacing systems.
• Efficiency: A proactive "builder" mindset—you enjoy solving problems and shipping code quickly.

Preferred Skills

• Familiarity with state management libraries (e.g., Redux, Zustand).
• Experience with Framer Motion or CSS animations for micro-interactions.
• Interest in fintech, wealth management, or personal finance.

Who You Are

• Detail-Oriented: You notice when a margin is 2px off and it bothers you.
• Adaptable: You thrive in a fast-paced startup environment where priorities can shift.
• Communicator: You can clearly explain technical constraints to designers and product owners.
• Growth-Minded: You are eager to learn from senior engineers and grow into a potentially full-time role.

Engagement Details

• Role Type: Internship 
• Work Mode: In-Office
• Location: Jaipur, Rajasthan
• Start Date: Immediate

Why Join Rupeestop?

• Direct Impact: Build tools that help users manage real money and secure their financial futures.
• Mentorship: Work closely with leadership and experienced designers in a flat hierarchy.
• Modern Stack: No legacy code. We use the latest versions of Next.js and modern deployment pipelines.
• Growth: High-performing interns are prioritized for full-time opportunities as we scale.
• High-performing interns will be fast-tracked for a Pre-Placement Offer (PPO) for a full-time role based on their contribution and impact during the internship. 

How to Apply: Please share your Resume and GitHub profile/Portfolio. We are particularly interested in seeing any live Next.js projects you have deployed.

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

We are looking for a skilled react.js developer to join our front-end development team. In this role, you will be responsible for developing and implementing user interface components using React.js concepts. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.

React.js Developer Responsibilities: 

1.     Reviewing application requirements and interface designs.
2.     Identifying web-based user interactions.
3.     Developing and implementing highly responsive user interface components using react concepts.
4.     Writing application interface codes using JavaScript following react.js workflows.
5.     Troubleshooting interface software and debugging application codes.
6.     Developing and implementing front-end architecture to support user interface concepts.
7.     Monitoring and improving front-end performance.
8.     Documenting application changes and developing updates. 

React.js Developer Requirements: 

1.     Previous experience working as a react.js developer.
2.     In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
3.     Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
4.     Experience with user interface design.
5.     Experience with browser-based debugging and performance testing software.
6.     Excellent troubleshooting skills.
7.     Good project management skills.

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

Location: Bangalore, Delhi, Gurgaon

Function: Software Engineering → Frontend Development

Requirements:

• 2-5 years of experience in building large complex and performant web applications using JavaScript, HTML, and CSS across multiple browsers.
• Strong Object Oriented JavaScript fundamentals.
• Experience in java script frameworks such as React and a good understanding of the basics of these frameworks and their life cycles.
• Deep understanding of various deployment strategies and their pros and cons.
• Understanding of Docker.
• SSR experience is a must.
• You should have enough understanding of SEO principles.
• Experience of working with React Hooks desirable.
• Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of ECMAScript (ES6 ES7).
• Experience with server-side rendering using nextjs, express, hapi etc.
• Hands-on experience with any unit testing framework (mocha/chai, jest etc).
• Deeper understanding of Chrome Dev Tools.
• Should understand nuances of the timeline for perf monitoring.
• Deeper knowledge of UI optimizations and performance.
• Deeper understanding of network layer, HTTP, HTTPS, cookies, local storage.
• Understanding of JavaScript Design patterns and ability to use them in applicable scenarios.
• Good understanding of data structures and algorithms and their space and time complexities.
• Strong in open source technologies, agile development.
• Excellent communication skills, good visual design sense, in-depth experience in developing web-based applications.
• Familiarity with code versioning tools such as Git, SVN, and Mercurial.

Web Development Interview:

• Technical Round 1 JS + Web fundamentals + React (Based on Experience)
• Technical Round 2 React JS - Problem solving (Machine coding round)
• Technical Round 3 Technical evaluation/Team fitment
• HR Round

Roles and Responsibilities :

• Lead the delivery of high quality, innovative, flexible, cost-optimized, and scalable technical solutions that meet business requirements
• Design, Develop, test, and maintain software applications with MVC architectures, Microservices, and scalable cloud-native apps.
• Perform hands-on coding and provide thoughtful code reviews
• Mentor and lead team members to continuously improve quality and productivity of deliverables
• Demonstrate ability to work within an agile team as well as collaborate with many other teams on design and implementation strategies. Follow SCRUM Agile Development methodology
• Effective Communication Skills- An ability to express your ideas to the recipient & Co-ordinate and communicate with cross-functional team along with the client's team
• Problem Solving, Hustler - Get Stuff Done, Self-Disciplined Open-minded, User-Focused, Adaptive
• Lean Principles & Analytical Thinking
• Project planning, timelines, and milestones for execution and deliverables
• Participate in the Evaluation Review of your team member

Primary Skills

• Experience in building an enterprise web application using ReactJS as the frontend framework
• Experience with Redux and React Hooks
• Expert in HTML5, CSS3
• Experience in Bootstrap4 or CSS pre-processor like Less or Sass is highly desirable
• Strong knowledge of best practices and modern web design trends is necessary.
• Some experience with modern web-based typography.
• Excel at rapid prototyping and at writing good code.
• Experience with testing/debugging in multiple browsers and platforms.
• Expertise in using JavaScript
• Should have worked on REST client and WebSockets
• Should be able to write Unit testing using any one of the frameworks like Cypress, Jasmine, Karma, Jest, Enzyme, or any other similar framework.
• Should have experience in either one of the Build scripts like Gulp or Grunt or Webpack
• Low-Latency UI, Page optimization, and bundle build+caching
• Problem-solving and debugging skills
• Component-based architecture

We Anju Siima Technologies Private Limited are looking for a Flutter developer who is proficient with dart programming language. Your primary focus will be on developing user interface components and implement them following well known Flutter workflows.

Responsibilities:

• Develop new user interfacing features using Dart / Flutter framework
• Building reusable widget components and front-end libraries/packages for future use
• Maintain existing codebase on repositories
• Translate design and wireframes into high quality code
• Optimising widget components for maximum performance across mobile devices
• Stay updated with emerging technologies and implementing them into the current code base.
•  

Skills:

• Strong skills in Dart & Flutter
• Experience with understanding of Mobile Application Development Lifecycle
• Familiarity with third party libraries and its integration
• Experience with GIT
• Familiarity with RESTful API’s
•  

Job Description:-

• React.js with Redux and Typescript 
• Experience working with Git, JIRA
• End to end responsibility from development to production.
• Work with product and design teams to translate designs and wireframes into high-quality products.
• Good written and verbal communication skills
• Eager to learn new things in technology