
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.
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.
- Experience with browser-based debugging and performance testing software.
- Excellent troubleshooting skills.
- Good project management skills.

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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.
Responsibilities
- Work closely with design, product management, and development teams to create elegant, usable, responsive, and interactive interfaces across multiple devices.
- Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules, and maintainability of the code.
- Implement UI development principles to ensure that the product client-side serves at scale.
- Review and optimize usage by monitoring key metrics and rectifying the issues proactively.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
Requirements
- 2 to 5 years of relevant work experience as a web developer, UI developer, JavaScript expert, or frontend engineer
- Sound knowledge in JavaScript, ReactJS, HTML, CSS
- Familiar with UI layouts, SASS, bootstrap, and Material UI
- Experience debugging using popular JavaScript-based tools like Chrome Developer Console
- Knowledge of TDD frameworks mocha, chai, jest etc.
- Understanding of Typescript
- Understanding of ReactJS based frameworks like NextJS, Gatsby, etc.
- Understanding of REST API
- Passionate to create good design and usability
Location Delhi NCR
Opening Immediate
Search Context
Over 1.8 billion non-salaried informal sector workers globally, and roughly 700m Indians are
not eligible for pension or other social protection benefits. Without an urgent and effective
response to pension exclusion, they face the grim prospect of extreme poverty for over 20
years once they are too old to work.
pinBox is the only global pensionTech committed exclusively to mass-scale digital micropension inclusion among self-employed women and youth. We deploy our white-labelled,
API-enabled pension administration and delivery platform, our unique deployment model and
a simple and intuitive UI/UX to make access to regulated pension, savings and insurance
products easy and simple for non-salaried informal sector workers. We're working actively
with governments, regulators, multilateral aid agencies and leading financial inclusion
stakeholders in Asia and Africa. The pinBox model is already operating in Rwanda, Kenya
and India. We will expand to Bangladesh, Uganda, Chile, Indonesia and Nigeria by 2023.
Governments and pension regulators use the our pensionTech to jumpstart digital micropension and insurance inclusion among informal sector workers. Pension funds and insurers
use our pensionTech to build a mass market for their products beyond their traditional agentled customer base. Banks, MNOs, cooperatives, MFIs, fintech firms and gig-platforms use
our plug-and-play pensionTech to instantly offer an integrated social protection solution to
their clients, members and employees without any new investments in IT or capacity
enhancement.
We’ve recently completed our first equity fundraise to enhance our engineering, business
and delivery capacity and embark on the next stage of pinBox pensionTech development
and expansion. By 2025, we aim to enable and assist 100 million excluded individuals to
start saving for their old age in a secure, affordable and well-regulated environment.
pinBox is looking for a web-developer with UI-UX design expertise who is deeply passionate
and capable about using web and mobile platforms to deliver retail solutions at scale.
The Web-developer and UI-UX designer will be expected to
1. Take broad, conceptual ideas and translate them into high-quality UI-UX design solutions
through wireframes, process flow diagrams, storyboards, visual and graphic designs,
site maps, and prototypes across various devices and platforms,
2. Maintain and optimize the pinBox corporate and product websites for functionality while
maintaining a balance between functional and aesthetic design,
3. Prototype and design UI-UX for new features and work with the product manager and
backend developers to implement, test and deploy the features to production,
4. Optimize the pinBox India and global websites and applications for various screen sizes
and web browsers,
5. Implement design solutions based on an assessment of user familiarity with app design
elements such as hamburger menus, hover items, long presses, swipes, etc.
6. Use a combination of quantitative and qualitative research methods to understand user
behavior and improve usability and UI/ UX of our applications based on the analysis,
7. Ensure all new features or web pages are in line with the pinBox brand identity and
position, and
8. Conduct ongoing research and use analytics tools to better understand user behavior
and how our core target demographic interacts with our web and mobile applications.
The ideal candidate processes
1. At least 4 years’ experience working as a frontend web developer / designer for retail
platforms (preferably for retail financial services) with UI-UX specialization,
2. Proficiency with web markup, including HTML5, CSS3 and Bootstrap,
3. Proficiency with client-side scripting and JavaScript frameworks, including jQuery,
4. Working knowledge of image authoring tools such as Gimp or Photoshop,
5. Experience working on a JavaScript framework such as ReactJS or Angular,
6. Understanding of SEO principles and implementation,
7. Critical thinking and problem-solving skills, and
8. Excellent teamwork and interpersonal skills, a keen eye for detail and the ability to
function effectively and proactively under tight deadlines.
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.
Engineering @ Relevel
- We use cutting edge technologies to build our products which means you get to be updated on the latest tech stack.
- You don’t need to have experience in any of our specific technologies;we are good at teaching our Engineers. Our diverse group of Engineers are a great team to work with and to learn.
- We deploy changes to production multiple times a day.
- Blameless culture and a continuous learning mindset
What engineers do @ Relevel
- Making a global platform with the scale of millions of users.
- Working directly with designers and PMs to make a world class test taking experience.
- Building a platform for companies and writing an ML based algorithm to match candidates and companies.
- Building an Ed-Tech product for the upskilling of candidates.
What you need to bring
- Strong understanding of JS fundamentals and going deep into it coupled with experience in modern frameworks like ReactJs, Vuejs etc.
- The ideal person has worked with product teams in startups and taken features (or entire product modules) to production deployment which was then consumed by real users.
- Proficiency in building a highly scalable frontend.
- Ownership mindset- Taking end to end ownership of frontend initiatives and being part of the core team in driving the overall growth of the organisation in achieving its vision.
6-9 years of relevant experience in building webapps at scale
You must have strong understanding of semantic HTML / HTML5, CSS / CSS3.
You must have a good understanding of MVC architecture.
Prior work experience in ReactJS is Must
You must have experience in setting up the full UI workflow layer right from Development, Testing, Building and Deployment.
Never give up attitude
Experience in frameworks like Bootstrap, Foundation and CSS pre-processors like SASS and LESS is desirable.
You should have exposure to page speed improvement techniques.
Exposure of building responsive websites at scale will be a plus.
Prior exposure to building React Native components for Hybrid mobile apps will be a plus
Prior work experience in Angular, Backbone along with ReactJs is desirable.
Good understanding of webpack and redux
The ideal candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using JavaScript (React), HTML, and CSS, this candidate will be able to translate user and business needs into functional frontend design. Someone with prior experience with Gatsby, Hasura, Redux, etc and live projects to showcase will get prioritised.
Responsibilities
- Designing, developing, and testing UI for mobile and web applications
- Build reusable code and libraries for future use
- Accurately translate user and business needs into functional frontend code
Qualifications
- Bachelor's degree or equivalent in Computer Science
- 2+ years' experience in frontend development
- Familiarity using Scrum/Agile development methodologies
- Experience building object oriented web applications in JavaScript, HTML5, and CSS3
we are looking for React JS developer for Reputed client Permanent role
Experience : 4+ Years
Location : Chennai / Bangalore
Skills : React JS, HTML , CSS,Javascript / Typescript
Notice Period : Immediate to 15 Days
Regards,
Pavithra R,











