Frontend Engineer - React Js

Job Title: Frontend Engineer- Reactjs, Nextjs, MUI 

Location: Hybrid weekly ⅔ days WFO (Bengaluru- India)

About the Role:

We're looking for a passionate and skilled Frontend Engineer with 1–3 years of experience to join our growing development team. This role is front-end-heavy, focused on building clean, scalable, and high-performance user interfaces using the latest technologies in the MERN stack—particularly Next.js, React, TypeScript, and Material UI (MUI).

You’ll work alongside a collaborative and talented team to design and build seamless web experiences that delight users. If you're excited about modern frontend architecture and want to grow in a fast-moving, remote-first environment, we'd love to hear from you.

Key Responsibilities:

• Develop responsive, high-performance web applications using Next.js, React, and TypeScript.
• Translate UI/UX designs into functional frontend components using MUI.
• Collaborate with backend developers, designers, and product managers to deliver new features and improvements.
• Ensure code quality through best practices, code reviews, and testing.
• Optimize applications for maximum speed and scalability.

Must-Have Skills:

• 1–3 years of professional experience in frontend development.
• Strong proficiency in React, Next.js, and TypeScript.
• Experience with Material UI (MUI) or similar component libraries.
• Understanding of responsive design, modern frontend tooling, and web performance best practices.
• Familiarity with Git and collaborative workflows.

Nice-to-Have (Bonus) Skills:

• Familiarity with testing libraries (Jest, React Testing Library, Cypress).
• Experience working with design tools like Figma or Adobe XD.
• Basic knowledge of accessibility (a11y) standards and performance optimization.
• Basic experience with Node.js, MongoDB, or working in a MERN stack environment.
• Familiarity with AWS services or cloud deployment practices.
• Experience with RESTful APIs or integrating with backend services.

We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.

The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.

Key Responsibilities

Core Development

• Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
• Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
• Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
• Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows

Collaboration & Integration

• Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
• Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
• Integrate with real-time market data APIs and trading execution systems

Technical Excellence

• Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
• Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
• Debug and resolve complex performance issues, particularly in real-time data processing and rendering
• Maintain high-quality code through reviews, testing, and comprehensive documentation

Required Skills & Experience

React & JavaScript Mastery

• 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
• Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
• Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility

Real-time & Performance Expertise

• Proven experience with WebSockets and real-time data streaming protocols
• Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
• RESTful API integration with experience in handling high-frequency data feeds
• Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools

Development Tools & Practices

• Proficiency with modern build tools: Webpack, Babel, Vite, or similar
• Experience with Git version control and collaborative development workflows
• Agile/Scrum development environment experience
• Understanding of testing frameworks (Jest, React Testing Library)

Financial Data Visualization

• Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
• Understanding of market data structures, order books, and trading terminology
• Knowledge of data streaming optimization techniques for financial applications

Nice-to-Have Skills

Domain Expertise

• Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
• Algorithmic trading knowledge or exposure to quantitative trading systems
• Financial market understanding - equities, derivatives, commodities

Technical Plus Points

• Backend development experience with GoLang, Python, or Node.js
• Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
• Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
• Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
• Microservices architecture understanding and API design principles

Advanced Skills

• Service Worker implementation for offline-first applications
• Progressive Web App (PWA) development
• Mobile-first responsive design expertise

Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
• 5+ years of professional React.js development with demonstrable experience in performance-critical applications
• Portfolio or examples of complex real-time applications you've built
• Financial services experience strongly preferred

Why You'll Love Working Here

We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.

What We Offer

💰 Competitive salary – Get paid what you're worth

🌴 Generous paid time off – Recharge and come back sharper

🌍 Work with the best – Collaborate with top-tier global talent

✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings

🎯 Performance rewards – Multiple bonuses for those who go above and beyond

🏥 Health covered – Comprehensive insurance so you're always protected

⚡ Fun, not just work – On-site sports, games, and a lively workspace

🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers

📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft

🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best

🚚 Relocation support – Smooth move? We've got your back

🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting

We work hard, play hard, and grow together. Join us.

• Job Title - Software Engineer - Frontend

• Reports Into - Lead Frontend Web Developer

• Location - Hybrid / Bangalore

A Little Bit About Kwalee….

Kwalee is one of the world’s leading multiplatform game developers and publishers, with well over 900 million downloads worldwide for mobile hits such as Draw It, Teacher Simulator, Let’s Be Cops 3D, Airport Security and Makeover Studio 3D. We also have a growing PC and Console team of incredible pedigree that is on the hunt for great new titles to join TENS!, Eternal Hope, Die by the Blade and Scathe.

What’s In It For You?

• Hybrid working - 3 days in the office, 2 days remote/ WFH is the norm

• Flexible working hours - we trust you to choose how and when you work best

• Profit sharing scheme - we win, you win 

• Private medical cover - delivered through BUPA

• Life Assurance - for long term peace of mind

• On site gym - take care of yourself

• Relocation support - available

• Quarterly Team Building days - we’ve done Paintballing, Go Karting & even Robot Wars

• Pitch and make your own games on https://www.kwalee.com/blog/inside-kwalee/what-are-creative-wednesdays/">Creative Wednesdays! 

Are You Up To The Challenge?

As a Software Engineer - Frontend you’ll be part of the Frontend team, implementing beautiful web designs made by our designers to keep both our site and the internal web-based tools we use fresh and up to date on top of working on new projects alongside this, there is always something new and interesting to work on. 

Your Team Mates

The frontend team consists of both our frontend developers and designers, we work closely with all parts of the business to create tools that vary across the whole company, from the publishing team to create a portal for people to submit games, the marketing team on things like our website, all the way to our internal teams for things like administration and analytics.

What Does The Job Actually Involve?

• Implementing designs for our website/web tools created by our design team

• Create and update interactive interfaces used throughout the company

Your Hard Skills

• Minimum 2 years browser-based programming experience

• A proven track record of programming high quality and innovative web pages using Javascript, HTML5 & CSS3 and relevant frameworks (ideally ReactJS but could also be others e.g. AngularJS, NodeJS, Handlebars, jquery, gulp)

• An excellent working knowledge of various programming languages, databases and scripting tools including at least one of bash, MySQL, CouchBase, Python, Java, C#, JSP, PHP

• A creative mindset motivated by challenges and constantly striving for the best

• Interest in mobile games

Your Soft Skills

Kwalee has grown fast in recent years but we’re very much a family of colleagues. We welcome people of all ages, races, colours, beliefs, sexual orientations, genders and circumstances, and all we ask is that you collaborate, work hard, ask questions and have fun with your team and colleagues. 

We don’t like egos or arrogance and we love playing games and celebrating success together. If that sounds like you, then please apply.

A Little More About Kwalee

Founded in 2011 by David Darling CBE, a key architect of the UK games industry who previously co-founded and led Codemasters, our team also includes legends such as Andrew Graham (creator of Micro Machines series) and Jason Falcus (programmer of classics including NBA Jam) alongside a growing and diverse team of global gaming experts.

Everyone contributes creatively to Kwalee’s success, with all employees eligible to pitch their own game ideas on Creative Wednesdays, and we’re proud to have built our success on this inclusive principle.

We have an amazing team of experts collaborating daily between our studios in Leamington Spa, Lisbon, Bangalore and Beijing, or on a remote basis from Turkey, Brazil, Cyprus, the Philippines and many more places around the world. We’ve recently acquired our first external studio, TicTales, which is based in France. 

We have a truly global team making games for a global audience, and it’s paying off: - Kwalee has been voted the Best Large Studio and Best Leadership Team at the TIGA Awards (Independent Game Developers’ Association) and our games have been downloaded in every country on earth - including Antarctica!

As a senior engineer you will be working independently in designing and implementing new visuals and also helping improve code quality. A lot of emphasis is on usability; so any specific experience is ux is a big plus. Any experience with backend implementation is also a plus

You will work with a mix of front end technologies, primarily JavaScript, D3, HTML 5, SVG, CSS (and related tech like SaSS/LESS). You'd also work with Git, WebPack. You don't already need to know all of these technologies.The key requirement is a keen interest in UI/UX work, solid front-end programming skills (thorough understanding of JavaScript, CSS and browser rendering workflow) and critical thinking.

Remote working is allowed

Job Details:-

Designation - Front-end Developer

Location:- Mumbai

Minimum Experience Required:- 2-4 Years.

Package Offered:- Rs.4,00,000/- to 7,00,000 pa.

Must have experience in React.js

We are looking for a qualified Front-end developer to join our IT team. You will be responsible for building the ‘client-side’ of our web applications. You should be able to translate our company and customer needs into functional and appealing interactive applications.

Front-end Developer Job Description:-

Responsibilities

• Use markup languages like HTML, React.js to create user-friendly web pages
• Maintain and improve web apps
• Optimize applications for maximum speed
• Collaborate with back-end developers and web designers to improve usability
• Get feedback from, and build solutions for, users and customers
• Write functional requirement documents and guides
• Help back-end developers with coding and troubleshooting
• Stay up-to-date on emerging technologies

Required Experience and Knowledge

• Proven work experience as a Front-end developer and hands-on experience with markup languages
• Experience with React.js (Saga), JavaScript, CSS (less) and Ant Design
• Familiarity with browser testing and debugging.
• In-depth understanding of the entire web development process (design, development and deployment)
• Understanding of layout aesthetics and knowledge of SEO principles
• An ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills