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Job Title : React.js + Web3 Developer
Experience : 2+ Years
Location : Gurgaon, Sector 48 (Work From Office)
Working Days : 6 Days
Employment Type : Full-Time, Permanent
Job Summary :
We are seeking a talented React.js + Web3 Developer to join our fast-growing engineering team.
The ideal candidate should have strong front-end development skills along with hands-on experience in blockchain/Web3 integrations.
Mandatory Skills : React.js, JavaScript/TypeScript, Web3.js/Ethers.js, Wallet Integrations, State Management (Redux/Zustand), REST APIs, Git.
Key Responsibilities :
- Develop responsive, scalable front-end applications using React.js & TypeScript.
- Integrate Web3.js / Ethers.js to connect UI with blockchain networks.
- Work with REST & GraphQL APIs for backend communication.
- Implement wallet integrations (MetaMask, WalletConnect, Coinbase Wallet, etc.).
- Collaborate with blockchain engineers for smart contract interactions.
- Optimize UI performance, handle state management, and write clean, maintainable code.
- Troubleshoot and enhance Web3 features within the application.
Mandatory Skills :
- Strong hands-on experience in React.js, JavaScript/TypeScript.
- Experience with Web3.js/Ethers.js, blockchain interactions.
- Understanding of wallet integrations, dApps, and blockchain basics.
- Knowledge of state management (Redux/Zustand/Context API).
- Strong debugging, problem-solving, and Git experience.
Nice to Have :
- Familiarity with Solidity, Smart Contracts, and Ethereum ecosystem.
- Experience with Node.js or backend systems.
- Understanding of IPFS, Layer 2 solutions, and NFT standards.
● 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.
● Responsible for developing and implementing user interface components using React.js
concepts and workflows such as Redux, Flux, and Webpack.
We are looking for an enthusiastic and passionate Web Developer Intern with a proven track record of building Web apps from the ground up using ReactJs.
Skills Required
- 1-3 Years of experience in Web Development
- Strong proficiency in ReactJS and Firebase
- Knowledge of Twilio API is a plus.
- Understanding of front-end development tools such as Webpack, NPM, etc.
- Ability to understand business requirements and translate them into technical requirements.
-
Any production project on ReactJs is a plus.
Roles and Responsibilities
- Developing new user-facing features using ReactJS.
- Building reusable components and front-end libraries for future use
- Translating UI/UX design wireframes into high-quality code for producing visual elements of the application.
-
Optimizing components and creating docs, unit, scenario, integration sanity test, etc. if required.
About Us:
Spacenos is the fastest-growing start-up which is innovating in the finance, edtech and marketing domain since 2015 and won multiple awards and recognitions from more than 40+ MNCs and Fortune 500 companies. Our Clients are based out of the U.S.A and Australia. We are funded & Supported by Government of Karnataka, Angel Investors and International Grants.
Hiring Process:
- Apply for your CV and past work to be reviewed.
- Receive a telephonic interview or assessment upon filling the final step form.
-
Receive offer letter if selected.
Hiring Duration:
Our hiring process takes less than 24 hours from the time you receive the Final Step form.
Validity: Up to Dec 2023
- Apply soon, the earliest applicant would be preferred over the late applicants.
Qualification:
BE/ B.Tech/ M.Tech in Electronics/ Computer Science / MCA
Job Description
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities
- Develop new user -facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end
- 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.
- Bachelor’s degree in computer science, information technology, or a similar field.
- Minimum 2 years 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, Web pack, 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.
About Haber
At HABER, we are solving the challenges of tomorrow, today. We are bringing together the best minds in process, engineering, computing and chemistry to develop solutions to address some of the world’s toughest challenges – water and energy scarcity and sustainability. Over the past few years there has been an explosion in unstructured data across industry driven by affordable sensing technologies and adoption of analytical instrumentation. This sudden increase in data has resulted in industries spending significant amounts of time collecting, organizing and analysing content and very little time driving value with the data. HABER is focused on reversing this trend by helping our customers spend less time collecting and analysing data and more time using HABER’s platform to drive efficiency, identify issues before they happen and uncover hidden potential. Follow us on Twitter @haber_tech or LinkedIn at linkedin.com/company/haber-technologies or visit us at haberwater.com/careers
• Strong experience in core Java programming.
• Good experience in Spring and Hibernate
• Proficiency with JSF/third party JSF components framework
• Must have at least 2+ year exp. of Web application development with exp. in using
any MVC framework
• Knowledge of OOP concepts, industry best practices and design
• Professional, precise communication skills
• Work experience writing Unit tests
• Good understanding of web technology and enterprise level applications
• Work experience on applying the best practices of Web Application development
• Working experience in an Agile team especially with SCRUM
• Good to have experience in JavaScript frameworks
• Good to have experience in JSON, HTML5, CSS and XML
CANDIDATES MUST HAVE
• 2+ year exp. of Web application development with exp. in using any
MVC framework
• Deep Understanding of Java8/11 , Core Java
• Spring Framework
• Hibernate
• JSF/third party JSF components framewor
Job Title
Senior Frontend Developer (SDE-2)
Responsibilities:
- Collaborating with the UX team, product managers, back-end engineers and other technical teams to create new, delightful and scalable UI
- Taking responsibility for all front end development on a project
- Taking initiatives to build better and faster solutions to the problems of scale
- Adhering to style standards on fonts, colors and images
- Mentoring junior devs and helping them out with bugs
- Taking initiatives to improve the codebase, DX, abd performance
- Building out UI from design mockups & conducting layout adjustments based on feedback from users
- Being on production support
Requirements:
- Knowledge of and experience in advanced Javascript framework: ReactJS, AngularJS, and VueJS
- 3-5 years of overall experience
- Familiarity with common Javascript Libraries such as jQuery would be a plus
- NodeJS knowledge is a plus
- Knowledge about UI testing automation
- UI Performance: should have hands on experience of optimizing page load, rendering, and caching
- Sense for appeal & aesthetics from a usability perspective
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Skills
REACT.JS, FRONT END, LEADERSHIP SKILLS
• Graduate in Computer Science or any other engineering degree
• Very strong in Javascript & other framework like Angular.
• Knowledge of HTML/CSS
• Candidate need to work as a contributor in an agile team.
• Work with complete ownership & contribute on design & development of new features.
• Contribute on bug fixing & writing auto tests.
• Good verbal & written communication skills.
The Web Developer Intern role supports and assists the web development team in coding, modifying and delivering technically feature rich websites web applications, portals and platforms with focus on robustness, security, technical superiority and innovative features in line with client expectations.
1. Basic principles of clear navigation and interactive experiences is an essential.
2. Development tasks range from basic site layouts to complex ecommerce portals and start up solutions.
3. The roles are fungible to accommodate front end or server side development.










