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

About Grappus
About
With a team comprising of tech enthusiasts, we are a high energy startup exploring the domains of emerging mobile market. Looking for a smart, sexy and intuitive mobile app to bring a significant impact to your business? We, at Grappus are committed to deliver innovative mobility solutions that surpasses customer expectations - building brand loyalty and nurturing continuous engagements. Our collaborative approach brings digital strategy to life through our custom-built versatile solutions fortified to meet your ever changing business environment. We strive to build high quality products for startups and enterprise clients across iPhone, iPad, Android and the web. With a valuable experience and knowledge of the mobile market along with our passion towards technology, we bring complete perfection to our work.
Connect with the team
Similar jobs
Job Description: React Developer (3–5 Years Experience)
Location: Mumbai
Employment Type: Full-time
Role: Frontend Developer (React.js)
About the Role
We are looking for a highly skilled React Developer with 3–5 years of hands-on experience in building modern, scalable, and responsive web applications. The ideal candidate should be proficient in React.js, frontend architecture, state management, and UI best practices.
Key Responsibilities
- Develop responsive, high-performance web applications using React.js, JavaScript/TypeScript.
- Build reusable components and front-end libraries for future use.
- Work closely with UI/UX designers to convert wireframes and prototypes into functional user interfaces.
- Optimize applications for maximum speed, scalability, and cross-browser compatibility.
- Integrate RESTful APIs and work collaboratively with backend teams.
- Participate in code reviews and contribute to continuous improvement of best practices.
- Troubleshoot, debug, and enhance existing applications.
- Ensure high code quality through proper testing and documentation.
Required Skills & Experience
- 3–5 years of professional experience in React.js development.
- Strong proficiency in JavaScript (ES6+) and TypeScript.
- Hands-on experience with Redux, Context API, or other state-management libraries.
- Good understanding of HTML5, CSS3, SASS, and modern UI frameworks.
- Experience working with REST APIs, JSON, and asynchronous programming.
- Familiarity with build tools like Webpack, Vite, Babel, etc.
- Understanding of Git and version control workflows.
- Knowledge of React hooks, performance optimization, and component lifecycle.
- Experience with testing frameworks (Jest, React Testing Library) is a plus.
Good to Have
- Experience with Next.js or server-side rendering.
- Knowledge of UI libraries such as Material-UI, Ant Design, or Chakra.
- Familiarity with Agile/Scrum methodologies.
- Basic exposure to DevOps tools and CI/CD pipelines.
Why Join Us?
- Opportunity to work on cutting-edge technologies.
- Collaborative, fast-paced, and growth-oriented environment.
- Competitive compensation and employee benefits.
Brief:
We are pursuing a complex set of problems that involve building for an international audience and for an industry that has largely been service-centric. As an SDE at GradRight, you’ll bring an unmatched customer-centricity to your work, with a focus on building for the long term and large scale.
You’ll be part of the Innovation Projects team at GradRight. This team works on third party integrations and adopting new tools/technologies to help build a cutting edge platform for the higher education space.
Responsibilities:
- Contribute to design discussions and decisions around building scalable and modular frontend.
- Participate in sprint ceremonies and actively contribute to scaling the engineering organization from a process perspective
- Stay on top of the software engineering ecosystem and propose new technologies/methodologies that can be adopted
- Contribute to engineering hiring by conducting interviews
- Champion infrastructure as code mindset and encourage automation
Requirements:
- At least 3 years experience as an SDE
- Strong experience with at least one frontend framework, preferably vue.js
- Strong understanding of software design principles and patterns
- Passion for solving complex problems
- Really quick learner and able to dive deep into new ideas/experiments at breakneck speed
- Passion for trying out new technologies and focusing on iterative development
- Experience with team management
- Excellent written and verbal communication skills
Good to have:
- Worked in a full-stack capacity at high growth startups
- Worked on products that addressed an international audience
- Exposure to emerging/latest technologies like blockchain, bots, AR/VR
About Company:
Espressif Systems (688018) is a public multinational, fabless semiconductor company established in 2008, with headquarters in Shanghai and offices in Greater China, India, and Europe. We have a passionate team of engineers and scientists from all over the world, focused on developing cutting-edge Wi-Fi and Bluetooth, low-power IoT solutions. We have created the popular ESP8266 and ESP32 series of chips, modules, and development boards. By leveraging wireless computing, we provide green, versatile, and cost-effective chipsets. We have always been committed to offering IoT solutions that are secure, robust, and power-efficient. By open-sourcing our technology, we aim to enable developers to use Espressif’s technology globally and build smart connected devices. In July 2019, Espressif made its Initial Public Offering on the Sci-Tech Innovation Board (STAR) of the Shanghai Stock Exchange (SSE).
Espressif has a technology centre in Pune. The focus is on embedded software engineering and IoT solutions for our growing customers.
About Role:
https://rainmaker.espressif.com/">ESP RainMaker provides a complete solution to makers to develop connected devices with ease. It also focuses on solving a major challenge about how the quality of connected devices can be improved. It constitutes device-side SDK, mobile apps and a cloud application. This role requires product engineering for the web UI for the RainMaker cloud.
Minimum Qualification:
- BE/B.Tech in Computer Science with 5 to 10 years of experience
- Strong Computer Science Fundamentals
- Excellent understanding of UX and design sensibilities
- Design, develop, and test UI for web applications
- Experience with one or more of these: React, Redux, Webpack, ES6, Async JS Communication, WebSockets
- Strong debugging and troubleshooting skills
Desired Qualification:
- Significant experience with JavaScript, React and Redux.
- Experience in consumption of cloud services and REST interfaces (implementation experience would be added advantage)
- Experience with CSS pre-processors like LESS or SASS
- Expertise with cross-browser, cross-platform, and responsive design
- Solid understanding of user interactions required for Single-Page Applications
- Experience with modern browser technologies
Responsibilities:
- Designing and developing User Interface for web applications
- Write code based in HTML, CSS, JavaScript and ReactJS
- Accurately translate user and business needs into functional, secure and efficient frontend design and code
- Experience and desire to take product/feature ownership from delivery and customer support perspective
- Collaborate with backend and quality engineers to spec, write, test, and deploy code that integrates with data streams and API endpoints
- Utilise responsive design techniques and ensure cross-browser compatibility
- Perform code reviews and improve/ensure the quality of product
What to expect from our interview process
- The first step is to email your resume or apply to the relevant open position, along with a sample of something you have worked on such as a public GitHub repo or side project etc.
- Next, post shortlisting your profile recruiter will get in touch with you via a mechanism that works for you e.g. via email, phone. This will be a short chat to learn more about your background and interests, to share more about the job and Espressif, and to answer any initial questions you have.
- Successful candidates will then be invited for 2 to 3 rounds of the technical interview as per the previous round feedback.
- Finally, Successful candidates will have an interview with HR.
What you offer us
- Ability to provide technical solutions, support that fosters collaboration and innovation.
- Ability to balance a variety of technical needs and priorities according to Espressif’s growing needs.
What we offer
- An open-minded, collaboration culture of enthusiastic technologist.
- Competitive salary
- 100% company paid medical/dental/vision/life coverage
- Frequent training by experienced colleagues and chances to take international trips, attend exhibitions, technical meetups and seminars.
- 5+ years of experience as a Full Stack front end developer
- Proficient understanding of web markup, including HTML5, CSS3.
- Good understanding of client-side scripting and advanced JavaScript libraries/frameworks, AngularJS
- Good understanding of asynchronous request handling, knowledge of AngularJS practices and hand on implementation of complex AngularJS applications, directives, controllers, services.
- Good understanding of AJAX and JavaScript Dom manipulation Techniques.
- Experience in JavaScript build tools like grunt or gulp.
- Proficient with the JavaScript language and its modern ES6+ syntax and features.
- Proficient with .NET framework and its core principles
- Proficient understanding of code versioning tools, such as GIT/Bitbucket.
- Critical thinker and problem-solving skills.
- Good time management skills.
- Great interpersonal and communications skills.
Strong on typescript/java script.
Strong on agile methodology.
Should have knowledge on writing unit test cases using jasmine/jest
As the technical lead, you will oversee the company's technical team and all projects they undertake, analyze briefs, write progress reports, identify risks, and develop work schedules. You should be able to work with your team and inspire them to reach their goals.
To be successful as a technical lead, you should always be expanding your industry knowledge and be able to quickly identify problems. Outstanding technical leads are accountable, trustworthy, and able to build lasting relationships with their teams.
Responsibilities:
- Determining project requirements and developing work schedules for the team.
- Delegating tasks and achieving daily, weekly, and monthly goals.
- Liaising with team members, management, and clients to ensure projects are completed to standard.
- Identifying risks and forming contingency plans as soon as possible.
- Analyzing existing operations and scheduling training sessions and meetings to discuss improvements.
- Keeping up-to-date with industry trends and developments.
- Updating work schedules and performing troubleshooting as required.
- Motivating staff and creating a space where they can ask questions and voice their concerns.
- Being transparent with the team about challenges, failures, and successes.
- Writing progress reports and delivering presentations to the relevant stakeholders.
Requirements:
- Bachelor's/Master's degree in computer science, engineering, or a related field.
- A 3-4 years of experience in a similar role would be advantageous.
- In-depth experience in working with Reactjs and Go.
- Excellent technical, diagnostic, and troubleshooting skills.
- Experience with blockchain technology preferable.
- Strong leadership and organizational abilities.
- A self-driven UI engineer with an eye for detail UI Design and Development
- Build solutions that’ll be used by thousands of enterprises globally
- Meld UX and great looking UI and Wireframe while keeping excellent code quality
- Thrive in a collaborative team environment and work with challenging timelines
- Design and build web apps that are scalable, puts user experience front and center
- Develop modular UI components for company-wide reuse
- Evolve a common design language for UI across apps
- Establish and advocate front-end coding guidelines
- Iterate UI features with high speed
- Work with ambiguous product requirements and shared backend APIs
REQUIREMENT-
- 2-4 years of experience with working on UI frameworks like Angular
- Experience in product companies would be a plus
- Must have a solid understanding of JavaScript and related libs, CSS
- Big plus if familiar with Django, Flask, Postgres, Linux, Git, AWS
- Writing high-performance, reliable and maintainable code
- Ability to define cross-core contracts and bring them to closure through collaboration.
- Analytical and problem-solving skills
- Working knowledge of Git and proficiency with Jenkin
We are looking for an React.js Developer to join our awesome team and deliver a streamlined user experience. We want a team member who strives to develop a first class codebase using react best practices. As an ReactJS Developer, you will implement a complete user interface in the form of a mobile and desktop web app.
Duties and Responsibilities
• Designing and developing user interfaces using React.js best practices.
• Adapting interface for modern internet applications using the latest front-end technologies.
• Writing tested and documented JavaScript, HTML and CSS
• Make design and technical decisions for ReactJS projects.
• Develop application code and unit test in the ReactJS, Rest Web Services and Java technologies for the Application Development Center.
• Ensuring high performance
Requirements and Qualifications
• Bachelor’s Degree in Computer Science, Computer Engineering or similar.
• Previous work experience as an React.js Developer.
• Proficient in CSS, HTML, and writing cross-browser compatible code.
• Excellent project management skills.
• Proven experience implementing front-end and back-end JavaScript applications.
• Excellent communication skills.
• Critical thinker and good problem-solver.








