React.js Developer
at provides specialized technology and consulting services
We are looking for UI developers with good knowledge of React JS. As a developer you will be responsible for understanding the requirements and developing the UI as per UX / VDs provided by the business / product team. You will be responsible for delivering a performant, robust and easy to maintain application. You will co-ordinate with different teams like backend developers, QA, product team and devops team to ensure quality deliverables.
Qualifications
- Bachelor’s or higher degree in Computer science or related technical field
- 2-4 years of experience in developing UI components leveraging React.js
- Experience in eCommerce domain is an advantage

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What you’ll do:
● Own and build next-generation web applications which are efficient, reusable front-end abstractions
and systems.
● Explore and design lively and compelling consumer experiences.
● Ensure that all the assigned systems are performing to scale.
● Actively participate in design and code reviews to build robust applications and prototypes
● You will mentor junior engineers on design and proper coding practices
What you will need:
● A deep expertise in Angular / React, Javascript, HTML5 and CSS3.
● Understanding of browser internals and a basic understanding of the network stack.
● Understanding of common design patterns followed in front-end projects.
● Basic awareness of application security practices and deployment techniques for front-end projects.
● Should have sound knowledge in computer science fundamentals like data structure, object-oriented
programming and possess excellent communication skills.
Location: Mumbai
Experience Required: 2+ Years
Job Type: Full-Time
Notice Period: Immediate Joiners
About the Role
We are seeking a skilled and experienced Front-End Developer to join our product engineering team. The ideal candidate must have experience working in a product-based software development company and should have hands-on involvement in e-commerce platform projects.
Mandatory Criteria
- Candidate must be currently working or have prior experience in a product-based software development company
- Candidate must have worked on at least one e-commerce platform project (end-to-end involvement)
Key Responsibilities
- Develop and maintain responsive, high-performance web interfaces using React.js
- Translate UI/UX designs into pixel-perfect, reusable front-end components
- Optimize components for maximum performance and cross-browser compatibility
- Integrate front-end components with backend RESTful APIs
- Collaborate with design, backend, and QA teams to deliver seamless user experiences
- Participate in code reviews, testing, and agile development ceremonies
Required Skills
- Strong proficiency in JavaScript (ES6+), React.js, HTML5, and CSS3
- Experience with state management libraries such as Redux or Zustand
- Solid understanding of responsive design and cross-browser compatibility
- Familiarity with RESTful APIs and API integration
- Knowledge of version control systems like Git
- Understanding of performance optimization, debugging, and front-end testing practices
Job description
Overview
The infrastructure for regulation-compliant AI. Train and deploy generative AI for the large enterprise.It is the most private solution for enterprise AI. Achieve best-in-class and compliant AI at the fraction of the time and cost. It is an enterprise AI platform that provides state-of-the-art and regulatory-compliant AI for a fraction of the cost. It simplifies model training across privacy-critical datasets using Federated Learning and Differential Privacy.
Ø Roles & Responsibilities:-
Strong proficiency in JavaScript.
Thorough understanding of React.js and its core principles.
Experience with popular React.js workflows (such as Flux or Redux)
Familiarity with newer specifications of Ecma Script.
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.
Develop reusable components and front-end libraries for future use.
Optimize components for maximum performance across a vast array of web-capable devices and browsers.
Collaborate with other team members and stakeholders. Utilize Redux for state management.
In this role, you will be responsible for developing and implementing user interface components using React. js concepts and workflows such as Redux, Flux, and Webpack. You will also be responsible for profiling and improving front-end performance and documenting our front-end codebase.
· Skills: HTML and CSS. HTML and CSS are key abilities to consider. ...
· Fundamentals of JavaScript. JavaScript is the most important skill for developers to have. ...
· JavaScript ES6. ...
· JSX (JavaScript XML) ...
· Variables and Scoping. ...
· Git. ...
· DOM and Event Handling Facility.
Location-Bangalore/Remote
P.S-Only IIT, atlassian,google,slack,zoom,e-commerce,internet & product based startup companies
Profile Overview:
We are looking for passionate and keen-eyed front-end developers with 5+ years of experience in React JS for a major project to join our creative front-end development team who can add optimization and efficiency to the user experience and maintain brand consistency across all web page of the web products.
The front-end developer will closely coordinate with our back-end developers, graphic designers and UI designers to ensure all elements of the web creation are consistent.
Responsibilities:
• Turning UI/UX designs into prototypes, creating excellent interactive forms of designs, writing reusable modules and maintainability of the code.
• Implement UI development principles to ensure that the product client-side serves at scale.
• Review and optimize the application usage by monitoring key metrics and rectifying the issues proactively.
• Determining the structure and design of web pages.
• Ensuring user experience by analyzing the design choices.
• Developing features to enhance the user experience.
• Striking balance between functional and aesthetic design.
Requirements:
- Bachelor’s or Master’s degree in computer science, computer applications or related fields.
- Proven working experience as a React Developer for 5+ years and above.
- Hands-on experience with HTML5, CSS3, and CSS frameworks.
- Demonstrable knowledge of Web services, Web API, REST services & GraphQL.
- Expertise in UI design and development of responsive web applications using React, Redux, Flask and Hooks.
- Applicable knowledge of Social API integration, Core location APIs, Web Views, Payments integration
- Proficiency in understanding layout aesthetics.
- Excellent analytical, problem-solving and multitasking skills.
- Ability to solve novel and challenging React problems.
- Capability to understand, develop and sustain continuous integration and delivery.
We are looking for a React JS/React-Native developer interested in building performant and pixel-perfect web applications. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Responsibilities
- Build pixel-perfect, buttery smooth UIs across both web and mobile platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Reach out to the open-source community to encourage and help implement mission-critical software fixes—ReactJS moves fast and often breaks things.
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Build and deliver features end to end. (frontend and backend)
Skills
- Firm grasp of the JavaScript and TypeScript language and its nuances, including ES6+ syntax
- Knowledge of functional or object-oriented programming
- Ability to write well-documented, clean Javascript code
- Rock solid at working with third-party dependencies and debugging dependency conflicts
- Understanding of Firebase cloud functions, firestore and offline storage
- Experience with automated testing suites, like (Jest or Mocha)
Responsibilities:
● Take end to end ownership of all products right from conceptualization till production.
● Develop cross-platform user-facing features using React JS.
● Drive major frontend architecture decisions along with Product Managers and
Engineering Head.
● Building reusable components and front-end 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
Requirements:
● 6+ years of relevant experience in core frontend technologies (JS, React,
Redux,GraphQL)
● You're an engineer by heart and not just a developer.
● You're innovative and able to pitch ideas to your colleagues.
● You're able to work with Product Managers, Designers and call out things upfront
from an engineering perspective.
About us:
Equal parts creative agency, engineering firm, and consultancy, Grappus has a reputation of doing things differently. We work with brands big and small, far and wide, helping them understand, prototype and deploy a broad range of custom tech. We value design and we cringe at bad UX. Each project is a clean slate, we don’t have frameworks, or any pre-made formulas. We’re not here to just grow big, make money and win awards. We’re here to crack the process of building truly innovative products from scratch. Products that make people say ‘damn’.
People at Grappus usually experience a highly accelerated career growth well beyond the narrow constraints of their ‘job description’. Here, the growth ladder is tailored to you. It operates exactly as fast as you can manage to grow. We think it's a waste when smart people are unable to make an impact. Our aim is to unleash your potential by giving you massive challenges and the freedom to solve them.
We’re in a fluid world, where we don’t know what technologies we’ll use next, or the projects we’ll work on. We’re actively searching for ways to shine a light on our blind spots, whether it is in the products we want to build, the problems we like to solve, or the company culture we try to create. That’s what makes life at Grappus so exciting. Grappus is an ongoing experiment and you are a part of it. We'll be a different company a few years from now because you are going to change it for the better. We can’t wait to see where you take us.
About the role:
We are seeking a Sr. Frontend Developer who has a knack for coming up with creative solutions to unique problems, planning development cycles and writing technical documentation while leading a team of developers. You can get in where needed to write clean, reusable, and performant code, with creative sensibilities to push projects towards perfection. 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:
● Ability to write elegant and readable code
● Excellent problem solving skill and love technical challenges
● Lead a team of developers and showcase managerial skills
● Comfortable working in a team-oriented and collaborative environment
● Strong understanding of Agile and Lean software development processes and practices
● Stays plugged into emerging technologies/ industry trends and applies them proactively
● Knowledge of software best practices, like test driven development and continuous integration
Must have:
● BE/ B.Tech in Computer Science or a related field or equivalent practical experience
● Proven working experience in frontend programming for a minimum of 3 years
● Good understanding of frameworks like Bootstrap, Backbone, ReactJS, Redux and libraries like jQuery, LESS and Ajax
● Knowledge of performance testing frameworks including Mocha and Jest
● Experience with browser-based debugging and performance testing software
● Strong understanding of server-side scripting and Javascript frameworks, including jQuery
● Aggressive problem diagnosis and creative problem solving skills and client handling skills
● Ability to work and thrive in a fast-paced environment, learn rapidly and master diverse web technologies and techniques
● Experience with coaching and mentoring junior web developers
● Experience in working with a variety of external frameworks and libraries
● Proven experience integrating with, along with a deep understanding of, service-based Web APIs including REST and/or GraphQL
● Good knowledge of User Interface patterns and techniques to solve common UI problems
Nice to have:
● Familiarity and experience using a variety of architectural design patterns
● Personal projects or contributions to the open source community
● Knowledge of modern authorization mechanisms, such as JSON Web Token
● Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
● 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
Why you’ll love it here:
(Besides working with our team with infinite charm)
● We have no fixed work timings or leave policy, you can take unlimited leaves and start your day whenever you want. (Just make sure others in your team don’t suffer)
● We don’t track these hours you put in or ask you to fill time sheets. We don’t believe in
micromanaging, if you’re struggling, ask for help. If someone else is, offer some support.
● We never mind if people make mistakes or screw up in any way, and offer full encouragement to help people learn fast by failing fast.
● We always encourage people to be completely candid, raise alarms, or log complaints
anonymously in our feedback tool, no matter how harsh.
● We are a ‘Work from Anywhere’ company, since passionate, driven people can work from
anywhere they want; their homes, or cafes, or mountains, or beaches, anywhere.
● We have a 15-day notice period. We want to build a place where people work willingly and passionately.
- Hands-on with contemporary javaScript frameworks(React.js / Angular.js)
- Hands-on with UI layouts, SASS, LESS, Bootstrap
- Developed reusable components and libraries for frontend.
- Frontend optimization techniques to reduce latencies
- Frontend optimization for SEO
- Excellent written and verbal communication skills, design thinking
- Practical experience with engineering best practices
Responsibilities
- Build desktop and mobile web applications using contemporary javascript frameworks
- Actively participate in design and code reviews to build robust applications and prototypes
- Explore and design simple and intuitive consumer experiences
- Work closely with Product Managers, UX designers, and back-end engineers to implement frontend solutions
- Build reusable code and libraries for future use, focus on long term code maintainability
- Work in a fast-paced and agile development environment
What you will do
If you are looking to be part of the early-stage start-up team that is charting the course and solving a key pain point for the CXO, this opportunity is for you. The opportunity will provide you join a company where you can contribute to all aspects of the product definition, product building and solving some key challenges.
- Architect solutions and execution through hands-on development, quality-assurance, and prototyping
- Collaborate with a UX/UI designers and other front-end and middle-tier engineers to design, prototype, and build user interface for complex cloud-based product
- Participate in complete development life cycle activities like design, coding, testing and production release
- Develop and maintain a scalable web and responsive applications
- Exhibit Devops mindset – Work on continuous integration, including provisioning, deployment, testing, and version control of the software
- Mentor new software developers and junior engineers
What you will bring
- Passionate engineer with 5 – 8 years of hands-on experience of developing next-generation user interface with high quality and performance
- Strong desire to learn & evaluate new libraries/frameworks, and share knowledge with others
- Ability to work in a fast-paced and agile development environment
- Sound knowledge of front end standards and practices
- Translating designs and wireframes into high-quality code
- Knowledge of Redux, React.js and its core principles
- Familiarity with RESTful APIs
- Strong proficiency in JavaScript, AJAX, HTML5, CSS3, JSON, including DOM manipulation and the JavaScript object model
- Experience with popular JS frameworks and libraries (React, Angular, JQuery, Ember, Babel, Webpack etc.)
- Experience of building Single-page Web Apps
- Ability to understand business requirements and translate them into technical requirements
- Experience with test automation: TDD, unit/integration/functional testing
- Proficient with debugging and testing tools to troubleshoot and optimize the UI
- Solid understanding of object-oriented design and programming concepts, core JavaScript concepts like scope/closures, the event loop and asynchronous callbacks, promises
Good to have
- Full-stack development experience
- Prior Startup Experience
- Prior experience in developing real-time web applications
- Experience with continuous deployment
- Proficiency with Git/Github
- Experience with GraphQL
Success Factors
- Start-up mindset
- Good problem solving abilities
- ‘Can-do’ attitude
- Prior experience of working with globally distributed teams is an added advantage
- Work with minimal supervision
- Excellent communication skills and being able to work independently or in a full team
Why Join Us
Our team is looking for fast-moving engineers with an entrepreneurial mindset. As a software engineer, you will help grow the platform by identifying new features, products, and business opportunities. You will write and own scalable production-grade code across the platform in collaboration with the small, close-knit and dedicated global development team.
We keep cloud-native concepts close to our heart whenever we design any software component and you will have exciting opportunities to work on new software frameworks, modern tech stack and cloud-native applications using latest cloud technologies.
If you want to feel and see that your contributions matter, have a strong desire to work for an early-stage startup and if you love working in a dynamic, agile, continually improving environment and most importantly, work with good people, come talk to us. If you are excited about the opportunity to build a cool new Cyber Security SaaS product ground-up then lets talk!!










