React.js Developer
Job Description
We are looking for a skilled react.js developer to join our front-end development team.
React.js Developer Requirements:
- Previous experience working as a react.js developer.
- In-depth knowledge of React.JS, JavaScript, CSS3, HTML, and front-end languages.
- Experience with user interface design.
- Experience: 04 to 08 years
- Salary: As Per Market Standard
- Work from Home /Work from Office – Both available

Similar jobs
About the Role
We're seeking a talented Frontend Developer to join our engineering team. You'll be responsible for building and maintaining high-quality web applications, collaborating with designers and backend developers to create seamless user experiences.
Key Responsibilities
Development & Implementation
- Build responsive, performant web applications using modern JavaScript frameworks (React, Vue, or Angular)
- Write clean, maintainable, and well-documented code following best practices and coding standards
- Implement pixel-perfect UI designs from mockups and wireframes
- Optimize applications for maximum speed and scalability across devices and browsers
- Integrate RESTful APIs and work with backend teams to define API requirements
Collaboration & Communication
- Work closely with UX/UI designers to translate designs into functional interfaces
- Participate in code reviews and provide constructive feedback to team members
- Collaborate with backend developers to ensure seamless integration between frontend and backend systems
- Contribute to technical discussions and help make architectural decisions
Quality & Maintenance
- Write and maintain unit and integration tests to ensure code quality
- Debug and troubleshoot issues across different browsers and devices
- Stay current with emerging frontend technologies and best practices
- Improve existing codebases through refactoring and optimization
Required Qualifications
- 2-5 years of professional experience in frontend development
- Strong proficiency in HTML5, CSS3, and JavaScript (ES6+)
- Solid experience with at least one modern JavaScript framework (React, Vue, Angular)
- Understanding of responsive design principles and mobile-first development
- Experience with version control systems (Git)
- Familiarity with CSS preprocessors (Sass, Less) or CSS-in-JS solutions
- Knowledge of modern build tools and package managers (Webpack, Vite, npm/yarn)
- Understanding of web performance optimization techniques
- Strong problem-solving skills and attention to detail
Preferred Qualifications
- Experience with TypeScript
- Knowledge of state management libraries (Redux, Vuex, Zustand)
- Familiarity with testing frameworks (Jest, React Testing Library, Cypress)
- Understanding of CI/CD pipelines
- Experience with design systems and component libraries
- Knowledge of accessibility standards (WCAG)
- Experience with Agile/Scrum methodologies
- Portfolio or GitHub profile showcasing relevant projects
Meet with stakeholders, customers, and project teams to collect requirements, scope projects, and contribute to creative
and technical concepts
∙Implement modifications to existing campaigns to accommodate changes in user requirements
∙Employ best practices in developing, conducting, and interpreting A/B tests and personalization campaigns focused on user
experience and effectiveness against project goals
∙Identify areas for improvements and assist in managing projects to implement enhancements to completion
∙Maintain campaign code in GitHub following established organization standards and development guidelines
∙Ensure team process to enter and track implementation information including work items, tasks and issue management
using JIRA
Tools:
∙Must have 5+ years minimum experience in building and maintaining web applications.
∙Must have experience in web technologies HTML5, CSS3, JSON, JavaScript, Web services (SOAP/REST).
∙Must have Experience in CSS and JavaScript frameworks like Bootstrap, jQuery etc.
∙Experience with SASS/LESS frameworks.
∙Experience with source control systems like TFS, GIT etc.
∙Experience with JavaScript application frameworks such as Angular, React or Vue.js is a plus.
∙Knowledge of scripting languages and object-oriented concepts.
∙Experience with Agile / Scrum software development practices.
∙Excellent troubleshooting and communication skills.
∙Experience in any content management systems (CMS) preferred but not required.
∙Ability to work independently and as part of a team.
∙A/B Testing or Personalization experience is preferred but not required.
∙Bachelor's degree in computer science, engineering or a related discipline with an information technology focus or
equivalent experience
Job Description
Job Location - Hyderabad & Ahmedabad
What you'll do:
· Perform complex application programming activities with an emphasis on mobile development: Angular, ionic, Node, TypeScript, JavaScript, Apache Cordova, RESTful APIs and more
· Assist in the definition of system architecture and detailed solution design that are scalable and extensible
· Collaborate with Product Owners, Designers, and other engineers on different permutations to find the best solution possible
· Own the quality of code and do your own testing. Automate feature testing and contribute UI testing framework
· Become a subject matter expert for our mobile applications
· Deliver amazing solutions to production that knock everyone’s socks off
· Mentor junior developers on the team
What we’re looking for:
· Amazing technical instincts. You know how to evaluate and choose the right technology and approach for the job. You have stories you could share about what problem you thought you were solving at first, but through testing and iteration, came to solve a much bigger and better problem that resulted in positive outcomes all-around.
· A love for learning. Technology is continually evolving around us, and you want to keep up to date to ensure we are using the right tech at the right time.
· A love for working in ambiguity—and making sense of it. You can take in a lot of disparate information and find common themes, recommend clear paths forward and iterate along the way. You don’t form an opinion and sell it as if it’s gospel; this is all about being flexible, agile, dependable, and responsive in the face of many moving parts.
· Confidence, not ego. You have an ability to collaborate with others and see all sides of the coin to come to the best solution for everyone.
· Flexible and willing to accept change in priorities, as necessary
Preferred Qualifications:
· Proficient with Apache Cordova framework
· Built or maintained custom Cordova plugin
· Demonstrable knowledge of native coding background in iOS
· Understanding of Apple certificate and profile management
· Experience developing and deploying applications within Kubernetes based containers
· Experience in Agile and SCRUM development techniques
- Proficiency in Angular (v8+) and TypeScript.
- Strong knowledge of HTML5, CSS3, and JavaScript/ES6+.
- Hands-on experience with RxJS for reactive programming.
- Experience with state management libraries like NgRx or similar.
- Familiarity with RESTful APIs and JSON data structures.
- Understanding of authentication and authorization mechanisms (OAuth, JWT).
- Experience with Angular CLI for project setup and management.
- Proficiency in browser developer tools for debugging.
- Strong experience with Jasmine, Karma, or other testing frameworks.
- Familiarity with build tools like Webpack or Vite.
- 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.
- Experience 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.
React + Next.js + Microfrontend, strong communication skills, and the ability to work independently.
Skillset required: Javascript, React.js, Good CSS and Designing, React Native, Unit testing, Next.js, Microfrontend, HTML, Redux
Additional Technical requirements: SSR, (GitHub Actions, GitHub/bitbucket/Git, GitLab CI/CD); JavaScript, TypeScript, Linting), Competitive Coding Experience (good to have)
Freelance Job HTML/CSS HTML5 React JavaScript Redux Next.Js
Tentative start date of the project: 2/1/2023 for about 2 months or more
Full allocation - 8 hrs a day * 20 days per month
Timezone: IST overlap with US timezone 8-11 PM IST
Location: Bangalore, Delhi, Gurgaon
Function: Software Engineering → Frontend Development
Requirements:
- 2-5 years of experience in building large complex and performant web applications using JavaScript, HTML, and CSS across multiple browsers.
- Strong Object Oriented JavaScript fundamentals.
- Experience in java script frameworks such as React and a good understanding of the basics of these frameworks and their life cycles.
- Deep understanding of various deployment strategies and their pros and cons.
- Understanding of Docker.
- SSR experience is a must.
- You should have enough understanding of SEO principles.
- Experience of working with React Hooks desirable.
- Experience with popular React.js workflows (such as Flux or Redux).
- Familiarity with newer specifications of ECMAScript (ES6 ES7).
- Experience with server-side rendering using nextjs, express, hapi etc.
- Hands-on experience with any unit testing framework (mocha/chai, jest etc).
- Deeper understanding of Chrome Dev Tools.
- Should understand nuances of the timeline for perf monitoring.
- Deeper knowledge of UI optimizations and performance.
- Deeper understanding of network layer, HTTP, HTTPS, cookies, local storage.
- Understanding of JavaScript Design patterns and ability to use them in applicable scenarios.
- Good understanding of data structures and algorithms and their space and time complexities.
- Strong in open source technologies, agile development.
- Excellent communication skills, good visual design sense, in-depth experience in developing web-based applications.
- Familiarity with code versioning tools such as Git, SVN, and Mercurial.
Web Development Interview:
- Technical Round 1 JS + Web fundamentals + React (Based on Experience)
- Technical Round 2 React JS - Problem solving (Machine coding round)
- Technical Round 3 Technical evaluation/Team fitment
- HR Round
As a front end product engineer, you will work with product engineers & designers to improve the overall user experience, performance, reliability and scalability of our systems. From handling millions of messages/ payments a minute to extract buyer intent and priority for processing these transactions to building tools to trace and visualize payments made across a business you'll be involved in projects that span all aspects of the business. Our goals includes scaling and architecting systems to support advanced product features that may not be currently viable because of hard technical considerations. You'll collaborate with our small, but effective, framework team with a track record of highly impactful work for Finly.
WITHIN 1 MONTH, YOU'LL
- Complete Finly's new-hire training week, and learn Accounts Payable Processes & the various partners we work with to make Finly happen.
- Investigate, solve and release a bug fix to production. In order to do this you will ramp up on Finly's engineering stack by pair-programming with your teammates and attending engineering training sessions designed and presented by the team.
- Meet with cross-functional peers around the company to learn how the product functions.
- Complete your engineering starter project and deploy your first changes to production.
WITHIN 3 MONTHs, YOU'LL
- Learn Finly's technical stack and apply development patterns through your work.
- Engage in your first on-call rotation in Support Engineering to help diagnose and resolve production problems and customer issues
- Individually contribute reliably ship full features to customers.
- Estimate technical scope and time to complete major features and initiatives.
WITHIN 6 MONTHS, YOU'LL
- Move to new product vertical & initiative and start designing scalable frontend systems.
- Have made a visible impact on the product for all the users of Finly.
- Work closely with your team to remove roadblocks, educate on best practices and improve how we work.
- Be comfortable navigating most of frontend stack and infrastructure
- Be responsible for the planning, scoping, design, and implementation of new features
- Participate in interviewing and hiring, as a way to influence team growth and how our values inform our culture
WITHIN 12 MONTHS, YOU'LL
- Individually contribute and lead teams to reliably ship full improvements to our frontend services
- Define tools and standards for product engineering to measure performance impact of releases
- Drive service reliability by developing tooling that enables metric visibility using SLIs, SLOs, and SLAs
- Developing Production Readiness standards to ensure service reliability
- Help grow other engineers technically by mentoring, pairing and developing other learning opportunities
- Collaborate with engineering and product leadership to define priorities and set delivery goals
Your understanding of front-end technologies, web application dev, system design, will be put to the test. You will take up a project for a team and then move to another project.
Join us & have the authority and responsibility to make things happen!
Mentor To Go is an android and web based platform to help students improve their work readiness through self-learning sessions, personalised mentorship provided by mentor professionals from a range of careers, and work experience opportunities.
The technology platform implements functionalities such as: screening surveys of mentors and mentees, training content for mentors, matching through an algorithm, and mentorship through the delivery of structured activities.
The application technology architecture comprises of the following:
o a Python Django web application with NGinx and Gunicorn
o PostgreSQL database
o A React Android and Web app
o Rest APIs which interact between the Android app and the Django webserver
Our vision at Mentor To Go is to provide career mentorship to young people anywhere, anytime across the length and breadth of India.
We are looking for a frontend software developer who is passionate about using web technologies to solve social problems and creating experiences that are elegant and effective. You will own the front end development of features of the Mentor To Go web and mobile platforms, from conceptualisation through design and testing. You will work closely with other developers,the technical project manager, and the program operations team. You are user-centric, continuously demonstrate strategic & analytical abilities, and are laser focused on executing at speed. You must have the ability to succeed in a fast paced environment, where success is dependent on your ability to collaborate with cross-functional team members in a positive, productive, and transparent way.
Minimum requirements
- Bachelor’s degree in engineering preferably CS or related discipline
- 3+ years experience with the development of applications for Android, iOS and web preferably using React Native/ReactJS
- Experience working in Unix/Linux environments
- Experience with a complete mobile software development life cycle
- Strong written and oral communication skills
- Familiarity with version control software such as Git
Desired requirements
- Strong written and oral communication skills
- Ability to participate in technical discussions and help make technical trade-offs
About Mentor Together
https://mentortogether.org/">Mentor Together is India’s first and largest youth mentoring non-profit organization with a mission to facilitate empowering mentoring relationships and networks that help young people break the inequalities of opportunity and actualise their potential.
http://bit.ly/mentortogo">Mentor To Go is the world’s first mobile mentoring platform created by Mentor Together with the support of Cisco India, LinkedIn Social Impact, British Telecom and Sterlite Technologies.
- Delivering complete front end applications
- Ensuring high performance on mobile and desktop
- Writing tested, idiomatic, and documented JavaScript, HTML, and CSS
- Cooperating with the back-end developer in the process of building the RESTful API
- Communicating with external web services










