ReactJS Developer

position Summary

§  Title: UI Developer

§  Location: Bangalore

§  Type: Full Time

§  Qualifications: Bachelor’s/Master’s degree in computer science/Information Science

§  Experience: 4to 7 years

Development skills

§  Top-notch programming skills and in-depth knowledge of modern HTML/CSS, JavaScript

§  Hands-on experience in React JS, ECMAScript (ES5,ES6/above)

§  Experience in Unit and E2E test automation (preferably Jest &Cypress)

§  Knowledge of web components and different component patterns

§  Experience using a state management library (Redux, Context API)

§  A solid understanding of how web applications work including security, session management, performance, and best development practices

§  Adequate knowledge of Object-Oriented Programming and web application development

Methodologies

§  Git, Jenkins

§  Test driven development

Good to have

§  Very good at programming and debugging for cross- browser compatibility and accessibility code

§  Unit testing experience on tools such as chai, mocha, jasmine

§  Reusable components development that can be used across web/ mobile applications.

§  Build tools such as webpack, grunt, gulp, babel

Other skills

§  Collaborate with business partners to gather requirements, implement new functionality, and drive continuous improvements

§  Excellent written, communication & presentation skills

§  Strong analytical skills and enjoys solving complex technical problems.

§  Participate in all phases of software life cycle including architecture, technical design, implement, test, and launch

§  You enjoy wearing multiple hats and roles, and titles are not important to you.

§  You enjoy doing it right first time and utilize tools & techniques to constantly excel in what you work to deliver it on time.

§  You are comfortable working under strict confidentiality agreements and often behind the-scenes.

§  You are self-organized and manage time and resources well.

§  Work independently and as part of a team

§  You are constantly growing your own knowledge, and helping to grow the knowledge of others

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

1. Good understanding of AJAX and JavaScript
2. Experience with RESTful services
3. Experience in building user interfaces with JavaScript frameworks like Angular
4. Skilled with common front-end technologies such as HTML, CSS, JS
5. Strong understanding of JavaScript concepts like Promises and asynchronous programming
6. Ability to decompose a problem into clear software and UX design actions.
7. Understands how to optimize the delivery of code and assets (e.g., images, fonts) to a browser or device (e.g., lazy loading assets, using CDNs, caching, compression, etc.)
8. Experience in working with jasmine, karma, and Angular TestBed
9. Experience in working in agile environments
10. Able to maintain versioning for the source code using Git