React.js Developer

Job overview:

We are seeking an experienced React.js Developer who is passionate about crafting high-quality, scalable, and performant front-end applications. The ideal candidate should have strong hands-on experience in modern JavaScript frameworks, UI development, and a keen eye for detail.

Key Responsibilities

• Develop and maintain responsive web applications using React.js, JavaScript (ES6+), HTML5, and CSS3.
• Build scalable and reusable UI components with React Hooks, Redux/Context API, and component-driven architecture.
• Optimize app performance to ensure fast load times, smooth interactions, and cross-browser compatibility.
• Write clean, modular, well-documented code following industry best practices and Git-based workflows.
• Troubleshoot, debug, and enhance existing features based on user feedback, analytics, and technical requirements.
• Integrate RESTful APIs and collaborate closely with backend engineers, designers, and product managers.
• Stay updated with emerging trends, tools, and best practices in front-end development to continuously improve the codebase and architecture.

Required Skills

• 4+ years of hands-on experience in React.js and JavaScript (ES6+).
• Strong understanding of HTML5, CSS3, Flexbox, Responsive Design, and UI frameworks (Tailwind/Bootstrap).
• Experience with state management using Redux, Redux Toolkit, or Context API.
• Hands-on experience with REST APIs, asynchronous programming, and front-end build tools (Webpack, Babel, npm/yarn).
• Good understanding of version control using Git.
• Ability to write efficient, scalable, and re-usable components following best practices.

What you’ll be doing

• Lead the development of our platform’s front end.
• Work with the product and design teams along with the founders to build new product features from start to finish: through conception, research, implementation, and maintenance.
• Work closely with founders and internal/external stakeholders to build products, tools, and services from scratch and deliver high-quality software solutions.
• You'll leverage your frontend knowledge to help improve performance and reliability, and polish existing features.
• Share your technical expertise to help the team make thoughtful and scalable design decisions and identify performance bottlenecks to troubleshoot quickly.
• Manage product development priorities, deadlines, and deliverables.
• Ensure high-performant and responsive web applications and websites.

Skills & Qualities we’re looking for

• Bachelor’s/Master’s degree in Computer Science (or equivalent experience).
• 2-4 years of experience as a frontend developer (rare exceptions for highly skilled developers) at a fast-paced, preferably early / growth stage start-up.
• You're familiar with HTML, CSS, Javascript, and a React-like UI framework.
• Knowledge of codebases and version control systems (Git).
• You have experience debugging performance issues with UI in modern browsers across multiple platforms.
• Well-versed with SQL database design & RDBMS concepts.
• Strong arithmetic reasoning, logical and analytical thinking skills.
• Strong knowledge of code quality maintenance and performance analysis.

What you need to have:

• ReactJS
• AngularJS HTML/
• CSS
• Javascript/jQuery
• AWS Knowledge
• Microservices and Nanoservices along with a monolith.

• If you want to work on a high scale production grade mission-critical app in a fun, relaxed
• and sometimes crazy environment
• Opportunity to work in the region's ONLY AWS Certified Advanced consulting partner with a
• chance to get trained by AWS solution architects and get certified.

• Write high quality code in ReactJS using TypeScript or JSX that is easy to maintain and test.
• Participate in an Agile environment using Scrum software development practices, Automated unit testing, Continuous integration, Code reviews, Version control systems, Automated build processes. Raise issues proactively that might impact delivery commitments.
• Fix production issues and maintain the code as needed .

• BS degree in CS or equivalent work experience 5+ years professional experience building single page applications in ReactJS using TypeScript or JSX with extensive experience working with HTML5 and CSS3.
• Experience working with cross-browser behaviors and quirks.

• Passion for new technologies. Product development experience building large scale web applications.
• Experience designing and developing highly scalable consumer facing web application. Care deeply about writing high-performance, reusable code for components that will be used across our product.
• GraphQL experience is preferred. 

About us:  

We are a fiercely restless creative studio with a broad vision across design & product experiences. Big brands and startups approach us because they find a cool team of committed individuals with great taste, obsessed with technology, originality, music, art & quality. We believe in independence, curiosity, experimentation and reinvention as the beacons to navigate the world. Learn more about us: ​https://grappus.com/">https://grappus.com/ 

About the role:

We are seeking a Frontend developer who has a knack for coming up with creative solutions to unique problems. You should have good time management skills and be able to work both autonomously and collaboratively with a cross-discipline team of product managers, strategists, UX designers, art directors, and developers. Most importantly, you have an eye for detail and the ability to make beautiful designs come to life through code. 

What we’d like to see:

• Developing new user-facing features using React Native
• Building reusable components and libraries for future use
• Translating designs and wireframes into high quality code
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers
• Developing and implementing strong algorithms/techniques for solving problems in a high-volume, high-availability environment
• Good knowledge of User Interface patterns and techniques to solve common UI problems
• Solid understanding of building scalable, maintainable and efficient user interfaces

Must Have:

• Strong proficiency in JavaScript , the JavaScript object model and ES6
• Thorough understanding of React.js and its core principles
• Experience with state management libraries like Redux, Mobx etc.
• Familiarity with Android / iOS platforms and ability to link native libraries with React Native
• Familiarity with newer specifications of EcmaScript 6
• Experience with data structure libraries (e.g., Immutable.js, immer)
• 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
• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
• 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
• Familiarity with frameworks like Bootstrap, Backbone, Angular,  React JS, and libraries like jQuery, LESS and Ajax

Nice to Have:

• Personal projects or contributions to the open source community
• Strong organizational skills to juggle multiple tasks within the constraints of timelines
• Team player (those great personality types that people love to work with)
• Great communication skills 

Benefits of being part of our amazing team:

• Flexible working hours
• We don’t track your leaves & work-from-home
• Freedom to implement latest technologies & new ideas
• Lots of in-house training sessions &  an in-house product lab
• A pretty unique & unconventional culture and a damn cool office space
• Lots of ways to have fun - TT,  Indoor basketball, PS4, board games and variety of books to read