React Native Developer

Job Title: Sr. Frontend Developer (Javascript)

Location: Remote Only

Experience Required: 4–6 years

Salary Range: 7L – 10L per year

About the Role:

We are looking for an experienced Sr. Frontend Developer with strong expertise in Javascript to join our remote team. The ideal candidate will have 4–6 years of hands-on experience in frontend development, with a focus on building responsive, high-performance web applications. You will work closely with cross-functional teams to design, develop, and implement user-facing features that align with business goals and enhance user experience.

Key Responsibilities:

• Develop and maintain scalable, reusable frontend components and applications using modern Javascript frameworks and libraries.
• Collaborate with UI/UX designers, product managers, and backend developers to deliver seamless user experiences.
• Optimize applications for maximum speed, scalability, and accessibility.
• Write clean, modular, and well-documented code following best practices.
• Participate in code reviews, sprint planning, and agile development processes.
• Troubleshoot, debug, and resolve frontend-related issues.
• Stay updated with emerging frontend technologies and industry trends.

Must-Have Skills:

• Javascript (ES6+)
• React.js
• React Native
• NodeJS (Node.js)
• SQL

Nice-to-Have Skills:

• Experience with state management libraries (Redux, Context API, etc.)
• Familiarity with testing frameworks (Jest, Cypress, React Testing Library)
• Knowledge of frontend build tools (Webpack, Babel, NPM/Yarn)
• Understanding of RESTful APIs and GraphQL
• Experience with version control systems (Git)
• Familiarity with CI/CD pipelines and deployment processes

Qualifications:

• 4–6 years of professional frontend development experience.
• Proven track record of delivering high-quality, production-ready applications.
• Strong understanding of responsive design, cross-browser compatibility, and web performance optimization.
• Excellent problem-solving skills and attention to detail.
• Ability to work independently in a remote environment and communicate effectively with distributed teams.

What We Offer:

• Competitive salary within the range of 7L – 10L per year.
• Fully remote work flexibility.
• Opportunity to work on innovative projects with a talented and supportive team.
• Professional growth and skill development opportunities.

Senior / Lead Full Stack or Frontend Engineer

Hiring for a Series E, 3.1 Billion Dollar rapidly growing organisation focused on payments, marketing and customer loyalty.

• To take ownership of delivering performant, scalable and high quality cloud based software, both frontend and backend side.
• Code reviews.
• Mentoring Team members to develop in line with product requirements.
• Collaborate with Senior Architect for design and technology choices for product development roadmap.

• Thorough knowledge of developing cloud based software including backend apis and react/angular based frontend.
• Thorough knowledge of scalable design patterns and message based systems such as Kafka, RabbitMq, Redis, MongoDB, ORM, Sql etc.
• Experience with AWS services such as S3, IAM, Lambda etc.
• Expert level coding skills in NodeJs,TypeScript,Scala,ReactJs,Angular.
• Eye for user centric mobile first designs on the frontend.
• Experience with hybrid frontends such as react-native, electronJs is a plus.    

React.js Developer Job Description

We are looking for a skilled react.js developer to join our front-end development team. 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.

To ensure success as a react.js developer, you should have in-depth knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications. Ultimately, a top-class react.js developer should be able to design and build modern user interface components to enhance application performance.

React.js Developer Responsibilities:

• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Developing and implementing highly responsive user interface components using react concepts.
• Writing application interface codes using JavaScript following react.js workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.

React.js Developer Requirements:

• Bachelor’s degree in computer science, information technology, or a similar field.
• Previous experience working as a react.js developer.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• Experience with user interface design.
• Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.
• Good project management skills.

• Firm grasp of the JavaScript / Typescript language and its nuances,
• including ES6+ syntax
• Knowledge of 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 REST APIs, the document request model, and offline storage

We are building for the future of work by changing the way the world looks at information and data paradigms. The Meaning Engine by India-based Needle Innovision enables building solutions by processing meaningful data out of anything stored anywhere - structured, unstructured data types, distributed, at scale and more. 

In our quest to do more, we are looking for an exceptionally creative, and technically brilliant Lead React Engineer to join us in a hybrid setting from New Delhi. For us 2 key green flags (read as must-haves) are 

🟢 A need to evolve complete solutions with visibility of end to end modules and not just work on tasks in the next leg of their careers. Basically the excitement to architect.

🟢 Preparedness to move into enterprise-ready environments but as part of a smaller team, so more responsibility to deliver + lead.

This could be an awesome launching pad for someone who enjoys working towards big-picture goals, has a keen interest in leadership, and is excited about aesthetic and useful products, Our teams are sustained on values of care and we offer a generous number of vacation days, the opportunity to craft your calendar with flexible schedules and very soon an insurance plan for you and your loved ones. We offer a starting salary range of 11-15LPA.

What you will do: 

• Work with the product team to understand project requirements.
• Perform technical documentation – Designing architecture, flow diagrams, documenting technical implementation approaches and pseudocode.
• Develop and implement pixel-perfect and highly-responsive user interface components using React.js & ReactNative concepts.
• Oversee development process compliance and CI activities.
• Set and evolve standards and best practices for our application development team
• Guide/Mentor junior developers and empower them on React and related trends.

What you will bring: 

• Today - has a portfolio of beautiful engineered frontend UI. At least some of which they can show us. (🟢 #3)
• Can articulate at least one reason of switch which does not only say growth etc but growth's metric (🟢 #4)
• 3 years minimum detail-oriented experience as a Senior Web Developer creating React.js based solutions and expert-level knowledge of ReactJS, ReactNative ecosystem and ES6.
• Demonstrated experience in B2B application development for large enterprises.
• Ability to review specifications documents and provide technical inputs on successfully implementing business solutions.
• Proficient understanding of build tools and code versioning tools, such as Git/SVN.
• Experience using async RESTful services, CSS preprocessors, bundlers and associated libraries, as well as working knowledge of isomorphic React.

As a Lead React Engineer, you would be expected to understand business requirements, represent Needle to external stakeholders, and have experience in working in agile teams.

If leading a squad that implements real-world impacting digital transformation at the intersection of data science and AI excites you and if our awesome bite-sized team inspires you to be a part of our quest, we think you could be the one to help build the impact, we are looking to building here. 

We are looking for a Developers who can create crafted web and mobile applications from UI using the React library. Your primary responsibility will be the implementation of visual elements and their behaviors with user interactions and ensure technical feasibility of UI/UX designs.. You will be defining how the application looks and functions by working with both the front-end and back-end developers.

1.A developer who is proficient with ReactJS (Redux or Flex)

2.Strong hands on the backend with nodeJS and has experience in developing robust web application with javascript

3.Should have basic understanding of AWS, various Databases and able to write simple api with express

4.Familiar with concepts like Isomorphic web apps , state management, push state, local storage, and promises

5.Sufficient knowledge on git, test driven development and browser debugging

SKILLS

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (such as Flux or Redux)
• Experience with data structure libraries (e.g., Immutable.js)
• 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
• Familiarity with code versioning tools such as Git, SVN, and Mercurial
• Educational qualifications of B.E. or M.E. equivalent degrees in Computer Science will be preferred

• 2-5 years of experience developing web applications with modern JavaScript programming frameworks, tooling, and libraries.
• Experience working with Angular or React.js JavaScript Framework.
• Expert knowledge of JavaScript, CSS, HTML and related web technologies.
• Expert knowledge of modern JavaScript and tooling (e.g., Angular, React, Redux, Node).
• Experience with API integration and development.
• Experience developing reusable components.
• Proven experience in understanding complex user needs with multiple stakeholders and providing practical solutions that can work in production.
• Experience working on mobile apps is a plus.

Mastree's engineering team is working towards building a data science engine that enables students to learn in a way they understand the best. We believe in delivering learning experiences through engagement. The product is designed with countless embedded interactive information pieces to help the students imbibe the concepts better. At Mastree we take pride in being a part of the product that holds the potential to revolutionise the education process.

We are looking for folks who are passionate about creating interaction rich interfaces. Creative individuals who believe in the power of visuals.

Responsibilities:

• Creating visual elements that users see and interact within our web platform.
• This makes your role crucial for the success of the product.
• Working closely with the design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
• Ensuring that the application is optimised both in terms of technology and in delivering the best educational content.
• Building web platform for our live tutoring platform
• Creating interactive learning activities for K12 students and work on our upcoming products

Requirements:

• You are an avid programmer
• You have great grasp of fundamentals of JavaScript and ES modules, new ECMASCRIPT concepts
• You have experience in ReactJS web app development
• You are an exceptional problem solver, with attention to details.

Brownie Points:

• Good HTML and CSS skills
• Experience in React-Native app development
• Ability to work in small teams and wear multiple hats