

**TL;DR:** Seeking an experienced Front-end Developer proficient in React and Next.js to build user-friendly interfaces for Proof of Skill, a blockchain-based protocol for skill verification and credentialing.
Proof of Skill protocol is a decentralized system where industry experts (Validators) evaluate candidates' skills and issue verifiable Skill Credentials. Organizations can then shortlist candidates based on these credentials.
**Qualifications and Skills:**
5+ years of experience in front-end development, with a strong focus on React and Next.js
Proficiency in JavaScript, HTML5, CSS3, and related front-end technologies
Solid understanding of React ecosystem, including Redux, React Router, and React Hooks
Experience with Next.js and its server-side rendering (SSR) and static site generation (SSG) capabilities
Familiarity with modern front-end build tools and workflows (e.g., Webpack, Babel, ESLint)
Knowledge of responsive design and cross-browser compatibility
Experience with RESTful APIs and integration with back-end services
Familiarity with web accessibility standards (WCAG) and best practices
Understanding of blockchain technology and decentralized applications (dApps) is a plus
**Responsibilities:**
Design and develop user-friendly interfaces for the Proof of Skill platform using React and Next.js
Implement reusable and modular front-end components following best practices
Integrate with blockchain-based back-end services and decentralized data sources
Optimize performance, scalability, and security of the front-end applications
Collaborate with the design team to ensure pixel-perfect implementation of UI/UX designs
Write clean, maintainable, and well-documented code
Participate in code reviews and ensure adherence to coding standards
Stay up-to-date with the latest front-end technologies, frameworks, and industry trends
**Ideal Candidate Traits:**
Strong problem-solving and analytical skills
Excellent communication and collaboration abilities
Attention to detail and commitment to writing clean, efficient code
Passion for creating intuitive and engaging user experiences
Entrepreneurial mindset and willingness to take ownership
Curiosity and eagerness to learn and grow in a dynamic environment
Experience building for crypto is a huge plus

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We are looking for a Frontend Developer. As a Frontend Developer, you should be comfortable with Front-end languages, Frameworks, and third-party Libraries. You should also be a team playerwith a a knack for visual design and utility.
Responsibilities:
- Work with development teams and product managers in agile methodology
- Design client-side architecture
- Build the front-end of applications through appealing visual design
- Troubleshoot, debug and upgrade software
- Build features and applications with a mobile responsive design
Requirements:
- Proven experience as a Frontend Developer or similar role.
- Knowledge of multiple front-end languages and libraries (e. g. HTML/ CSS, JavaScript, XML, jQuery).
- Sound Knowledge of ES5 ES6 Javascript Standards
- Knowledge of multiple JavaScript Libraries/frameworks (e. g. React, Angular).
- Knowledge of multiple Global State Management Library (e. g Redux).
- Knowledge of Class-Based Component and Functional Components(Hooks)
- Familiarity with UI/UX design (Mobile Responsive).
- Excellent communication and teamwork skills.


and design with the experience and credentials to back up that passion.
Someone who can take ownership of applications, solve technical
challenges and take pride in their solutions and code.
The ideal candidate will have experience building native applications,
javaScript knowledge and a portfolio of applications already published
either in the app store or self-hosted.
You’ll be a key member of the team tasked with contributing to a
number of high-value projects within Kinara to educate the teams to
increase the effectiveness of technology solutions
Essential Skills:
● Have one or more iOS/Android apps developed with Flutter.
Either deployed on the AppStore/Google Play or available on
Github
● 3+ years in mobile/web software development;
● 2 years of experience in developing Flutter applications.
● Good understanding of flutter state management approaches.
● Understanding of the Agile development life-cycle
● Strong understanding of OOP concepts.
● Experience with Git.
● Proven experience in writing readable code, creating extensive
documentation for existing code and refactoring previously
written code.
● Typescript/JS experience.
Good to Have
● Vue/React experience.
● Firebase/Realm experience.
● NoSQL & SQL experience


Job Description:
We are looking for a React JS or React Native Developer to join our team.
In this role, you will be entrusted with developing JavaScript applications using React.js or React Native.
Apply now for the role of a React.js or React Native Developer at Codebuddy, which is opening doors for skilled, energetic developers looking for MERN Stack Developer Jobs.
If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.
Responsibilities:
- Developing existing programs by analyzing user requirements and identifying areas for modification by R&D followed by coding.
- Develop UI in HTML, CSS, and JS and integration with the backend using REST API.
- Translate storyboards and various use cases to create high-performing apps.
- Write, execute, and maintain clean, reusable, and scalable code.
- Integrate our various data storage solutions.
- Ensure responsiveness and boost the performance of our apps.
- Find and address the various bottlenecks and bug-fixes.
- Work on JavaScript/Typescript using React Native/React, Redux & Node.js.
- Help in code automatization.
What You Need To Apply(Technical Competency):
- Good knowledge of JavaScript, React, API.
- Knowledge of JavaScript Stack / Framework.
- Knowledge of Object-Oriented Programming
- Ability to document their code.
- Understanding accessibility and security compliance.
- Good knowledge of GIT
- Ability to multitask and work in a fast-paced environment.
- Self-motivated with the ability to work independently or jointly in a self-directed way.
- Demonstrated successful development of web or mobile-based applications
- Proven analytical and problem-solving capabilities
- Keen attention to detail
- Strong work ethic and desire to build industry-leading products
- Proactive instead of reactive
- Looking for ways to improve self and projects.
Interpersonal skills:
- Must be comfortable working in a team and independently when required.
- Must be disciplined, proactive and self-motivated.
- Needs to have problem-solving and analytical skills.
If you have it all in you, we are happy to have you with us!

- 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.
- Experience 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.


Job Role:
- Build pixel-perfect, buttery smooth UIs across both mobile platforms.
- Leverage native APIs for deep integrations with both platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Maintain and write clean code to ensure the product is of the highest quality.

As a Senior Experience Technologist, you’ll be working as part of an agile team with other passionate, driven, and talented people, creating innovative solutions for our clients. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using Sapient as well as industry best practices to deliver high value and quality to Publicis Sapient clients.
What are we looking for in you?
• Technical end-to-end design for stories by collaborating with business analyst/product owner, technical architect and clients
• Implement stories end-to-end, which includes Frontend, Backends for Frontend (BFF), Caching and also service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional requirements like performance, scalability, security or cloud readiness (as applicable) at the story level
• Automates testing at unit, module and integration level as needed using tools relevant for the platform (e.g. Jasmine, Jest, Karma, Webdriver.io etc.)
• Focus on quality by implementing best practices like logging, calling out technical debt, meeting KPIs using code quality tools like SonarQube, ESLint (customize and sync with Sonar), Stylelint/Sasslint and so on.
• Hands-on with automating redundant work, like common component structure, both in terms of scaffolding as well as using the right design patterns / creating abstractions.
• Mentor junior engineers in helping review code, guiding on technical decision making
Key Requirements:
• 4-9 years’ experience
• Hands-on knowledge of HTML5, CSS3, JavaScript
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015+. You should be up-to-date with new specifications (different stages), and also, using transpilers like Babel to use features from all stages
• Good understanding of creational and structural design patterns in JavaScript
• Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of React.js, its core principles - lifecycle methods, virtual DOM etc. and at least 6 – 12 months hands-on experience with the same
• Understanding of one-way data flow and the Flux architecture.
• Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components
• Core understanding of how React’s state management works out of the box.
• Understanding of different CSS architectures that go hand-in-hand with React.js application development. Pros and cons of component-level CSS vs global and where to apply each
• Thorough understanding of Webpack bundler (version 2+).
• Good understanding of the Web Components standard.
• Hands-on experience with building Progressive Web Apps (PWAs) on any framework.
• Hands-on experience with Frontend Performance Optimization – especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser.
• Hands-on experience with test-driven development using Jest or equivalent. Familiar with snapshot testing, code coverage. Experience working with utilities like Enzyme
• Experience using fluid grids, and building responsive/adaptive websites using Bootstrap etc.
• Understanding of SEO and accessibility and making it part of the development workflow
• Moderate to Strong graphics manipulation/optimization skills using Photoshop is a plus.
Knowledge & experience of the below skills will earn additional brownie points:
• Logically understands relational databases like MySQL and non-relational databases like MongoDB and can manage to work with it.
• Hands-on experience with GraphQL.
• Hands-on experience working with client-side templating languages like Handlebars, Mustache, etc.
• Hands-on experience with Functional Programming (FP)
• Hands-on experience working with frontend build systems and automating the same using any task runner
• Understanding of hybrid vs native mobile apps – and pros/cons with respect to PWA.
Hands-on experience working with server-side JavaScript frameworks like Express, Koa, Hapi etc. (based on Node.js
• Good understanding of REST APIs and Microservices. Should have an understanding of how resources are organized and how an application should align based on the same. You are expected to have an understanding of how CRUD operations map to HTTP methods for a well-designed service.
• Hands-on with DevOps pipeline and able to tweak/change build/deployment pipeline as needed in the context of a module (e.g. Jenkins / Travis / Now.sh / Gitlab)
• Experience with configuring Webpack from scratch and working knowhow of Rollup / Parcel.
Education:
Bachelors in Computer Science or equivalent education covering Math, Algorithms, Data Structures, Networking, Databases, Operating Systems, Graphics.
About us: At Publicis Sapient, we enable our clients to thrive in Next and to create business value through expert strategies, customer-centric experience design, and world-class product engineering. The future of business is disrupting, transforming, platforming, and becoming digital to the core. We see it in every major industry, from financial services to automotive, consumer products, retail, energy, and travel. We are looking for people who have the courage to break out of what has always been to go do what will be. If you have an optimism that says there is no limit to what we can achieve in this exciting time, then we should talk. Our work is fueled by challenging boundaries, multidisciplinary collaboration, highly agile teams, and the power of the newest technologies and platforms. Our people thrive because of the belief that it’s both our privilege and
responsibility to usher our clients and the world into Next. We are seeking those deeply skilled, bold, collaborative, flexible, and who want to reimagine the way the world works to help businesses improve the daily lives of people, and the world. This is the world-class engineering team where you should build your career.

- Working 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.
- Implementing UI development principles to ensure that the product client-side servers at scale.
- Reviewing and optimizing usage by monitoring key metrics and rectifying the issues proactively.
- Performing well in a fast-paced environment and bring in optimal flow for rapidly changing design / technology.
What you need to have:
- B.Tech / B.E.; M.Tech; MBA / PGDM; MCA
- 3 to 4 years of relevant work experience as a web developer, UI developer, JavaScript expert, or frontend engineer
- Sound knowledge in Javascript, Typescript, ReactJs, NextJs, Gatsby, HTML, CSS
- Familiar with UI layouts, SASS, bootstrap, and the CSS GRID system
- Understanding of REST API, GraphQL
- Understanding of web sockets
- Must have used TDD frameworks mocha, chai, jest et
- Proficient with JavaScript frameworks such as jQuery, Angular et al
- Experience debugging using popular JavaScript-based tools like Chrome Developer Console
- Passionate to create good design and usability
- A team player with good communication skills

Our frontend (React) team is passionate about React Technology and we are working on a few world-class products which have their roots and frontend in React Technology along with Redux, web-hooks, and Reducers. Keeping performance, scalability, usability, and user acceptance in mind, we are looking for a smart frontend engineer that has experience developing a variety of Web Applications using React Technology. (Along with strong frontend expertise, needs a good understanding of how frontend applications work in different browsers and have a mobile responsive design)
Roles & Responsibilities
Basic roles and responsibilities are mentioned for the engineer at our team:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- You will ensure that these components and the overall application are robust and easy to maintain.
- You will coordinate with the rest of the team working on different layers of the infrastructure.
- Good understanding of async functions and their concepts.
- Your primary focus will be on developing user interface components and implementing them following well-known ReactJS workflows (such as Flux or Redux).
- A Commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities.
- Developing new user-facing features using ReactJS
- Familiarity with modern front-end builds pipelines and tools.
- Translating designs and wireframes into high-quality code.
- Thorough understanding of ReactJS and its core principles.
- Experience with popular React.js workflows. (such as Flux or Redux)
- Familiarity with RESTful APIs.
- Building reusable components and front-end libraries for future use.
- Knowledge of modern authorization mechanisms, such as JSON Web Token and Oauth.
- Good knowledge of CSS and other latest frameworks like a tailwind CSS / Bootstrap.
Person Specification and Qualifications
- Experience developing highly scalable Web applications.
- Knowledge of Media Queries and CSS via useful frameworks.
- Strong experience with React frameworks with components like Redux, Flux, Webhooks.
- Good knowledge of code versioning (git / Github)
- Good experience with code deployment on servers like Ubuntu, Linux systems.
- In-depth knowledge of designing and developing software in distributed architectures for multi-tier applications
- Basic understanding of docker to work with different major versions of Node js and database release(Postgres, MySQL, etc)
- Good knowledge to write and train the team to write unit test cases for the application code.
How to Code Review
- You would be knowing how to do a basic code review of team and junior NodeJS engineers.
Plus points if you're familiar with the following:
- Experience with deployment and CI/CD is a plus!
- Have worked with Testing libraries
- Good Verbal and Written communication Skills.


- We are looking for techies with a passion to develop high-performance web applications.
- If you are interested and looking to build scalable and high-performance apps, then join us. We are building web app based on React with server-side rendering. For mobile, we are building PWA.
Roles & Responsibilities :
1. Build scalable web applications using ReactJS, Redux and other related libraries.
2. Integrating back-end API's with front-end.
3. Build reusable code and libraries for future use.
4. Optimize application performance and reduce page loading speed.
5. Solid experience in architecting and implementing highly scalable front-ends in modern technologies such as React or Vue.
6. Gathering requirements from design and technical staff and client on web development needs/Defining effective solutions for business and process problems.


ReactJS and/or React-Native and Redux.
Experience working with NextJS.
Deep understanding of RESTful technologies, microservices, and API integration
Strong understanding of HTML and CSS.
Systemic exposure to VCSl (GIT), Issue tracking (JIRA), Knowledge based
(Confluence)
Exposure to AWS and DevOps culture
Experience with Writing unit tests using JEST
Exposure to Axios, Lodash and other common front-end development tools such as
Babel, Webpack, NPM, etc.
Ability to continuously structure and organize the code base, anticipate
technical-debt, and do peer code reviews.
Good to have: Domain knowledge in the BFSI tech stack.

