Senior Javascript Developer

Zolvit is seeking a highly motivated and experienced Frontend Software Engineer to join our

growing engineering team. As a key member of the team, you will play a crucial role in

designing, developing, and maintaining high-performance, user-centric frontend experiences

across web and mobile platforms. You will have the opportunity to work on challenging problems

at scale and contribute to a product that will potentially power millions of businesses in India.

Responsibilities:

● Design, develop, and deploy high-quality, user-friendly frontend applications using

modern JavaScript frameworks (e.g., Next.js, React, Angular, Vue.js).

● Develop and maintain native mobile applications for both iOS and Android platforms.

● Collaborate with backend engineers to integrate frontend applications with backend APIs

using microservices architecture.

● Write clean, efficient, and well-documented code, adhering to best practices and coding

standards.

● Collaborate with cross-functional teams, including product, design, and QA, to deliver

exceptional user experiences.

● Participate in code reviews, design discussions, and knowledge sharing sessions.

● Implement and maintain CI/CD pipelines, promoting automation and continuous delivery.

● Monitor and optimize the performance of frontend applications, ensuring a smooth and

responsive user experience.

● Champion a quality-driven development approach, including unit testing, integration

testing, and end-to-end testing.

● Stay up-to-date with the latest trends and technologies in frontend development and

mobile app development.

Qualifications:

● Bachelor's degree in Computer Science or a related field, or equivalent practical

experience.

● Proven experience in frontend software engineering, with a strong focus on building and

scaling web and mobile applications.

● Strong proficiency in JavaScript and at least one modern JavaScript framework (e.g.,

Next.js, React, Angular, Vue.js).

● Experience developing and deploying native mobile applications for iOS and Android

platforms using languages like Swift, Kotlin, or React Native.

● Solid understanding of object-oriented programming principles and design patterns.

● Experience integrating frontend applications with backend APIs, preferably within a

microservices architecture.

● Familiarity with RESTful APIs and other common API protocols.

● Experience with state management libraries and techniques (e.g., Redux)

● Experience with modern CSS frameworks (e.g., Tailwind CSS, Material UI).

● Experience with CI/CD pipelines and tools (e.g., Jenkins, GitLab CI, CircleCI).

● A strong understanding of computer science fundamentals and excellent

problem-solving and analytical skills.

● A proactive and collaborative approach to work.

● A passion for building high-quality user experiences and a commitment to continuous

improvement.

● Experience working in an Agile environment.

Bonus Points:

● Experience with GraphQL, performance optimization techniques.

● Contributions to open-source projects.

● Experience working in a fast-paced, high-growth environment..

Wissen Technology is Hiring for React Developer

About Wissen Technology:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Summary:

We are seeking highly motivated React Developer

Experience: 8+ Years

Location: Pune/ Mumbai

Mode of Work: Full Time

Key Responsibilities:

• Should have 8+ years hands on experience in web technologies like JavaScript, HTML5 & CSS.

• Expert level knowledge of JavaScript including latest edition(s) of JavaScript (ES2023). Knowledge of typescript is a plus.

• Hands on experience with JavaScript frameworks like React 17 and above versions

• Good understanding of asynchronous request handling, partial page updates like Promises, RxJS

• Proficient in advanced CSS3, HTML5 and Bootstrap. Exposure to css-in-js libraries like styledjs or others is beneficial.

• Able to translate mockups in figma or illustrator to actual working components.

• Working experience on testing tool like karma/jasmine/enzyme.

• Basic understanding of nodejs is beneficial.

• Proficient understanding of code versioning tools, such as Git

• Excellent analytical/reasoning skills

• Good team player

• Excellent written and verbal communication skill

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.

Job title: React.js Developer 

Location: Gurugram (Onsite)

Notice: Immediate joiner 

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.

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.

• Basic knowledge of Data Structure and Algorithm required

As a Front-end Developer, your responsibility would be to create visual elements that users see and interact within our web platform. This makes your role crucial for the success of the product. We are looking for an exceptional problem solver, with attention to details. You will be working closely with design, product management and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.

You must take responsible actions in ensuring the application is optimised both in terms of technology and in delivering the best educational content.

Responsibilities:

• Build web platform for our live tutoring platform
• Creating interactive learning activities for K12 students
• Work on upcoming products

Requirements:

• Great programming skills
• Fundamentals of JavaScript and ES modules, new ECMASCRIPT concepts
• Experience in ReactJS web app development (1-4 years)

Brownie Points:

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

Ono Labs Private Limited is committed to providing equal opportunities without any discrimination on the grounds of age, ancestry, marital status, color, physical or mental disability, origin, nationality, political affiliation, religion, race, gender, sexual orientation, and any other characteristics protected by applicable law, regulations, and ordinances.

React JS Developer

Exp - 5+ years

Skills: React, Redux, Javascript, HTML, CSS
Location: Bangalore, Hyderabad, Chennai

Job Description: Senior React.js Developer

• 2+ years of relevant experience in software development building web applications
• Well acquainted with cutting edge front-end framework like React Javascript dialects like ES6.

• CSS frameworks like Bootstrap, Foundation HTML5, CSS3 and tools like Gulp/Webpack
• Strong analytical and problem- solving skills paired with the ability to develop creative and efficient solutions.
• Enjoys and gets energized by complex problem solving and ability to push the innovation on solutions.
• Ability to work both independently and in various team settings.

1. Work closely with design, product management, and development teams to create elegant, usable, responsive, and interactive interfaces across multiple devices.
2. Turning UI/UX designs into prototypes, creating awesome interactions from designs, writing reusable content modules, and maintainability of the code.
3. Implement UI development principles to ensure that the product client-side serves at scale.
4. Review and optimize app usage by monitoring key metrics and rectifying the issues proactively.
5. An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
6. Developers should be team player or should work individually when required.
7. Developer should work parallel to backend developers.

1. 1 to 2 years of relevant work experience as a web developer, UI developer, JavaScript expert, or frontend engineer
2. Proficiency in HTML, CSS, JavaScript, and jQuery.
3. Good understanding of APIs and how to use them to get the work done fast.
4. Proficiency in writing clean and optimized code.
5. Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system.
6. Experience debugging using popular JavaScript-based tools like Chrome Developer Console.
7. Knowledge of ReactJs/VueJs & Python will be a plus