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Job Title : Frontend Developer (React.js) – Blockchain Experience
Location : Remote
Experience : 3+ Years
Key Skills : React.js, TypeScript, Web3.js, blockchain integration, UI/UX design
Job Description :
We are looking for a skilled React.js Frontend Developer with experience in blockchain applications. The ideal candidate should have expertise in React.js, Web3.js, and UI/UX best practices to build seamless decentralized applications (dApps).
Requirements :
- 3+ Years of React.js development experience.
- Strong knowledge of Web3.js or Ethers.js.
- Experience integrating smart contracts with frontend.
- Proficiency in TypeScript and modern frontend frameworks.
- Understanding of blockchain fundamentals and dApp development.

Job Summary:
We are looking for a skilled Frontend Developer with a strong foundation in modern frontend technologies. The ideal candidate must have experience working with React.js, Redux, Next.js, and TypeScript while following industry best practices. You should be proficient in writing clean, scalable, and maintainable code and have experience with performance optimization, unit testing, and frontend architecture.
Key Responsibilities:
- Develop and maintain scalable and high-performance frontend applications using React.js, Redux, Next.js, and TypeScript.
- Implement complex UI components and reusable design patterns with Storybook.
- Utilize RxJS for reactive state management and asynchronous data handling.
- Optimize frontend performance by analyzing browser behaviors, implementing lazy loading, code-splitting, and caching techniques.
- Collaborate with backend developers to integrate GraphQL APIs efficiently.
- Ensure cross-browser compatibility and responsive design.
- Write unit tests using Jest, React Testing Library, or Cypress to maintain code quality.
- Adhere to frontend best practices, coding standards, and accessibility guidelines.
- Debug and troubleshoot frontend-related issues and improve application performance.
- Work closely with UI/UX designers to translate Figma/Adobe XD designs into high-quality frontend components.
- Continuously research and implement modern frontend technologies and frameworks to enhance the development workflow.
- Develop and optimize Shopify storefronts using React.js.
- Work with PrimeReact for efficient UI component development.
- Utilize Tailwind CSS framework for styling and responsive design.
- Implement design patterns for scalable and maintainable code.
Required Skills & Qualifications:
- 2+ years of hands-on experience in frontend development with a strong emphasis on React.js and Next.js.
- Experience with Webpack, build systems, and production optimization
- Proficiency in TypeScript for type-safe development.
- Experience with state management libraries such as Redux, Zustand, or Recoil.
- Strong understanding of RxJS and reactive programming concepts.
- Hands-on experience with GraphQL and Apollo Client.
- Experience with Storybook for UI component documentation and testing.
- Strong knowledge of browser behavior, event handling, and performance optimization techniques.
- Familiarity with CSS-in-JS solutions (Styled Components, Emotion) or modern CSS methodologies (BEM, TailwindCSS, etc.).
- Experience writing unit and integration tests using Jest, React Testing Library, or Cypress.
- Strong debugging skills and familiarity with Chrome DevTools.
- Understanding of Web Performance Optimization (WPO) techniques.
- Familiarity with CI/CD pipelines and Git version control.
- Experience with Shopify storefront development using React.js.
- Proficiency in using PrimeReact UI components.
- Experience implementing design patterns for frontend development.
- Excellent problem-solving skills and attention to detail.
- Strong communication and collaboration skills.
Good to Have:
- Experience with Micro Frontends architecture.
- Exposure to Server-Side Rendering (SSR) and Static Site Generation (SSG) in Next.js.
- Knowledge of WebAssembly, PWA development, or WebSockets.
- Familiarity with cloud platforms like AWS, Firebase, or Vercel.
- Contributions to open-source projects or a strong GitHub portfolio.
Why Join Us?
- Work with cutting-edge technologies and best practices.
- Collaborate with a passionate and innovative team.
- Opportunity for professional growth and career advancement.
- Competitive salary, flexible work environment, and great company culture.
If you are passionate about frontend development and eager to work with modern technologies, we would love to hear from you.

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.
Company Name: Curl Tech
Location: Bangalore
Website : www.curl.tech
Company Profile: Curl Tech is a deep-tech firm, based out of Bengaluru, India. Curl works on developing Products & Solutions leveraging emerging technologies such as Machine Learning, Blockchain (DLT) & IoT. We work on domains such as Commodity Trading, Banking & Financial Services, Healthcare, Logistics & Retail.
Curl has been founded by technology enthusiasts with rich industry experience. Products and solutions that have been developed at Curl, have gone on to have considerable success and have in turn become separate companies (focused on that product / solution).
If you are looking for a job, that would challenge you and desire to work with an organization that disrupts entire value chain; Curl is the right one for you!
Job Type: Full time
Designation: Front End/UI Developer
Job Description:
-
We are looking for a skilled JavaScript developer to join our Front-End developer team, a person who has experience developing applications in React.js and Angular 8+
-
As a Front-End developer, your role would involve designing, developing and implementing user interface components using React.js, Redux, Webpack, Angular, CSS, HTML, REST Web Services.
-
You also need to optimize the application for better performance and a large number of concurrent users.
-
A strong technologist at Curl cares about doing things the right way rather than just doing them and thrives in a
complex and challenging environment.
Who are we looking for?
- Bachelors / Masters in Computer Science or equivalent with at least 3+ years of professional experience.
- Solid understanding of design patterns, data structures, and advanced programming techniques
- As an Engineer in our team, you will design, code, test and debug quality software programs.
- Proficient in developing cross browser compatible applications with an eye for creating impressive UX designs.
- Experience in React.js, Redux, Webpack, Angular 8+, CSS, HTML, REST web Services
- Experience in Unit Testing Tools.
- Experience in MV-VM/VMC frameworks and JavaScript building tools.
- Demonstrate the ability to work in a fast paced and hyper-growth environment where the requirements are constantly changing.
- Familiar with agile techniques like code reviews, pair programming, collective code ownership, clean code, TDD and refactoring.
- Remuneration offered: Industry standard
Work Experience: 3-5 years of hands on experience.


- Having working experience in Service based company
- Having Engineering as bachelor degree is must
- Experience working ecommerce platform
- Soft spoken and good listener
- Good with Quant and reasoning
- Understanding of agile and scrum
- Good with commitment
- Integration of user-facing elements developed by front-end developers with server side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Integration of data storage solutions
- Strong proficiency with JavaScript
- Good understanding of server-side CSS preprocessors
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Understanding fundamental design principles behind a scalable application
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git


About Nua
Nua was founded on a dream to transform women’s wellness in India.
Our story began with a pad. And not just any pad that could be picked off the shelves but one that was truly thought around a woman’s needs.
However, we soon realised that the need for safe & effective products went beyond just pads. So, we asked the women in our community to tell us what they were looking for.
We believe that our Sanitary Pads, Cramp Comfort (India’s first unique self-heating patch), Foaming Intimate Wash, 1mm Everyday Liners & Uplift (period nutrition drink mix) are made by us but are created by our community of over 4 Lakh women who wanted to start a new and improved wellness journey.
As for our dream, it just got bigger from where we started. As of today, we continue to transform the women’s wellness space in India through safe, innovative, inclusive and effective products that are Made Safe Certified and backed by science.
About the role
Nua's storefront team is looking for a senior front end developer. You will work on building next-gen web applications using VueJS/ReactJS and a wide array of front-end technologies. The UI layers have to be highly responsive, beautiful, performant and work for consumer sites and mobile apps. You will be working closely with the Product, and QA team to build and launch the product.
Must Have Qualifications
- 5+ years of experience in building highly scalable UI on the Web/Mobile.
- Highly skilled at front-end engineering using Object-Oriented JavaScript, various JavaScript libraries and micro frameworks (Vuejs/Reactjs Prototype, Backbone), HTML and CSS.
- Knowledge of Vuejs/React Framework- at least 1-2 years.
- Expert knowledge of CSS, CSS extension languages (Less, Sass), and CSS preprocessor tools.
- Excellent proficiency in responsive design and performance optimization techniques for the web and mobile web.
- Knowledge of selenium or any other testing framework is a plus
- Working knowledge of a backend programming language (PHP/Java/C#).
Preferred Qualifications
- Well versed in software engineering principles, frameworks and technologies
- Excellent communication skills
- Self-directed team player who thrives in a continually changing environment
- Experience in working with Magento 2.x would be a plus
What’s in it for you
- An opportunity to work in one of India’s most innovative digital, direct-to-consumer brands
- Experience a once-in-a-lifetime opportunity to part of a fast-growing company at an early stage
- Steep learning curve with exposure to wider marketing and community management teams’ functions
- A performance-based environment with no limits to career growth and personal development



Experience with Rest APIs;
NodeJS, Webpack;
Grunt, Gulp;
Git, SVN;
Proficient in HTML, CSS (LESS/SASS), responsive design, semantic markup;
Awareness of cross-browser compatibility issues and client-side performance consideration




