Front end developer - React JS Only

Mandatory Skills:

JavaScript, Typescript, SEO, Next.js, Lit.js

Required Skills & Qualifications:

• 8–10 years of frontend development experience with strong proficiency in TypeScript and JavaScript.
• Extensive hands-on experience in Lit.js (Web Components) and Next.js (SSR/SSG).
• Proven leadership in architecting frontend solutions and guiding teams through scalable development.
• Deep understanding of Technical SEO, including schema markup, crawlability, and frontend optimizations for search.
• Expertise in Core Web Vitals, Lighthouse, and performance optimization tools.
• Strong knowledge of responsive design, accessibility standards (WCAG), and cross-browser compatibility.
• Experience integrating frontend with Strapi CMS and RESTful or GraphQL APIs.
• Strong familiarity with Git, Agile methodologies, and CI/CD workflows.
• Excellent communication and collaboration skills, with experience working across disciplines.

Key Responsibilities:

• Architect and lead frontend development using Lit.js, Next.js, and TypeScript, ensuring scalable, modular, and maintainable code.
• Own and evolve the frontend technical stack, enabling performance, SEO, accessibility, and developer efficiency.
• Guide the team in building highly-performant web interfaces with a focus on Core Web Vitals, Lighthouse, and DevTools insights.
• Champion Technical SEO implementation, including structured data, metadata optimization, and SSR/SSG strategies.
• Lead code reviews, pair programming sessions, and enforce code quality standards through tools like SonarQube.
• Mentor and manage 3–5 frontend engineers, fostering technical growth and ensuring delivery quality.
• Collaborate cross-functionally with design, product, backend, SEO, and QA teams to ship robust and accessible user experiences.
• Drive and enforce best practices in unit testing, CI/CD pipelines, and agile workflows.
• Troubleshoot complex UI issues and proactively improve front-end architecture and processes.

Job Description: 

Why are we here?

We are looking for a Fullstack Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include implementing visual elements and their behaviors with user interactions. You will work with both front-end and back-end web developers to build all client-side logic. You will also be bridging the gap between the visual elements and the server-side infrastructure, taking an active role on both sides, and defining how the application looks and functions. You will be boarded into the team that manages higher secondary school projects on the Salesforce stack. You will be given an opportunity to learn the entire ecosystem of salesforce.

Mandatory skills to have/ Responsibilities:

● Overall 4+ years of experience and a strong understanding of JavaScript, its quirks, and workarounds. 

● Good understanding of web markup, including HTML5 and CSS3. 

● Strong hands-on experience with advanced JavaScript libraries and frameworks such as AngularJS or Angular 2+ etc.

● Understanding of Software Design Patterns. 

● Good understanding of AJAX, REST APIs, Remote functions, and prior development experience in building the same. 

● Proficient understanding of cross-browser compatibility issues and ways to work around such issues. 

● Familiarity with front-end build tools, such as Grunt and GulpJs. 

● Proficient understanding of code versioning tools, such as Git.

Good to have:

● Hands-on experience in Python

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.

Hiring - React JS Developer Freelance Consultant (WFH-Remote)

Greetings from Deltacubes Technology!!

Skillset Required:

React JS

Experience:

5+ years

Thanks

Bavithra

Talent Acquisition Specialist

• Strong programming skills in JavaScript.
• Experience with ReactJ, frontend frameworks like bootstrap, Jquery.
• Good knowledge in HTML5, CSS, CSS3 and Object Oriented concepts
• Experience in working with RESTful APIS.
• Experience with HTTP, HTTPS and WebSockets.
• Knowledge in version control- Git, Subversion.
• Exposure to OWASP standards and guidelines.

Job for Front end Developer

WFH

Lead Front end engineers

Skill sets are:

• Typescript
• Javascript
• React
• Redux - global state management experience.

Good to have Back End Javascript experience as well as there might be times when the front end team has to do some back end work (which is the bulk of engineering work).

• Front End Lead (who is a PM / Scrum Master)
• Sr. Front End person who can do Client Interaction i.e. good Communication Skills.
• UI Engineer / Architect who has evolved as a Manager who can take care of Delivery of Front End team only.
• This role will interact with the Product Team to understand the product requirements so that he can be the point of contact for Product Requirements.