
**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

About ProofofSkill
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What You’ll Do:
- Build and ship responsive, high-performance web applications using React.
- Translate UI/UX designs into clean, maintainable code.
- Integrate frontend with backend services via REST/GraphQL APIs.
- Optimize applications for speed, scalability, and cross-browser compatibility.
- Write reusable, modular components and maintain design consistency.
- Collaborate with product managers, designers, and engineers to deliver features end-to-end.
- Identify performance bottlenecks and improve frontend architecture.
- Participate in code reviews and contribute to best practices.
What We’re Looking For:
- 4–6 years of experience in frontend development.
- Strong hands-on experience with React.js.
- Solid understanding of JavaScript (ES6+), HTML5, and CSS3.
- Familiarity with state management (Redux / Zustand / Context API).
- Experience working with REST APIs and asynchronous programming.
- Understanding of responsive design and cross-browser compatibility.
- Experience with build tools (Webpack, Vite, etc.).
- Familiarity with Git-based workflows.
- Good problem-solving and communication skills.
Good to Have:
- Experience with testing frameworks (Jest, React Testing Library).
- Exposure to performance optimization techniques.
- Basic understanding of backend technologies (Node.js / Python).
What You’ll Work On:
- Building intuitive and scalable user interfaces for our core product.
- Improving performance and user experience across the platform.
- Contributing to frontend architecture and design systems.
- Solving real-world problems at scale.
Why Join Us
- Work on impactful products used by real customers.
- Opportunity to own features end-to-end.
- Collaborative and fast-paced environment.
Company
Stackera is a leading Fintech Development Services company located in Pune. We are dedicated to delivering quality and innovative solutions to our clients with seamless service.
About the Role
We are looking for a Frontend Developer who is highly skilled in Next.js and modern JavaScript frameworks to join our frontend engineering team. This role is ideal for someone who is passionate about building user-friendly interfaces that are fast, responsive, and scalable.
You’ll be working on high-impact fintech products that require both technical excellence and creative thinking. Your work will directly influence user experience and engagement across a range of web applications, including financial dashboards, analytics platforms, and client portals.
What You’ll Do
- Design, develop, and maintain modern web applications using Next.js, React.js, and associated technologies.
- Collaborate with cross-functional teams including backend developers, UI/UX designers, and product owners.
- Translate UI/UX design wireframes into high-quality code with pixel-perfect accuracy.
- Build responsive, accessible, and cross-browser compatible components.
- Optimize application performance for speed, scalability, and usability.
- Integrate front-end logic with RESTful APIs and real-time systems (e.g., WebSockets).
- Write clean, reusable code and maintain clear documentation.
- Participate in sprint planning, daily stand-ups, and code reviews to ensure continuous improvement.
- Ensure security best practices in frontend implementation.
Required Qualifications
- Bachelor’s degree in Computer Science, Information Technology, or a related field.
- 5+ years of hands-on experience in frontend development using Next.js and React.js.
- Proficient in Redux, Hooks, Context API, and component-based architecture.
- Solid understanding of HTML5, CSS3, JavaScript (ES6+), and responsive design principles.
- Experience building high-performance web applications with real-time data updates.
- Familiarity with frontend testing frameworks like Jest, Cypress, or similar.
- Ability to work in an agile environment with CI/CD processes.
Preferred (Good to Have)
- Exposure to Web3 technologies
- Experience with Ethereum, Solana, or other blockchain ecosystems.
- Understanding of containerized deployment using Docker.
- Familiarity with CI/CD tools like GitHub Actions, Jenkins, or GitLab CI.
What We Offer
- A collaborative and supportive team environment
- Exposure to cutting-edge projects in fintech and emerging tech
- Freedom to innovate and bring ideas to life
- Competitive compensation and performance-based growth
- Flexible work hours and focus on work-life balance
About the Role
We're seeking a talented Frontend Developer to join our engineering team. You'll be responsible for building and maintaining high-quality web applications, collaborating with designers and backend developers to create seamless user experiences.
Key Responsibilities
Development & Implementation
- Build responsive, performant web applications using modern JavaScript frameworks (React, Vue, or Angular)
- Write clean, maintainable, and well-documented code following best practices and coding standards
- Implement pixel-perfect UI designs from mockups and wireframes
- Optimize applications for maximum speed and scalability across devices and browsers
- Integrate RESTful APIs and work with backend teams to define API requirements
Collaboration & Communication
- Work closely with UX/UI designers to translate designs into functional interfaces
- Participate in code reviews and provide constructive feedback to team members
- Collaborate with backend developers to ensure seamless integration between frontend and backend systems
- Contribute to technical discussions and help make architectural decisions
Quality & Maintenance
- Write and maintain unit and integration tests to ensure code quality
- Debug and troubleshoot issues across different browsers and devices
- Stay current with emerging frontend technologies and best practices
- Improve existing codebases through refactoring and optimization
Required Qualifications
- 2-5 years of professional experience in frontend development
- Strong proficiency in HTML5, CSS3, and JavaScript (ES6+)
- Solid experience with at least one modern JavaScript framework (React, Vue, Angular)
- Understanding of responsive design principles and mobile-first development
- Experience with version control systems (Git)
- Familiarity with CSS preprocessors (Sass, Less) or CSS-in-JS solutions
- Knowledge of modern build tools and package managers (Webpack, Vite, npm/yarn)
- Understanding of web performance optimization techniques
- Strong problem-solving skills and attention to detail
Preferred Qualifications
- Experience with TypeScript
- Knowledge of state management libraries (Redux, Vuex, Zustand)
- Familiarity with testing frameworks (Jest, React Testing Library, Cypress)
- Understanding of CI/CD pipelines
- Experience with design systems and component libraries
- Knowledge of accessibility standards (WCAG)
- Experience with Agile/Scrum methodologies
- Portfolio or GitHub profile showcasing relevant projects
frame work and can also handles API integration part.
Insightful knowledge of, Angular8+, JavaScript, Typescript,HTML5, CSS3,Bootstrap
Conducting analysis of website and application requirements.
Developing back-end portals with an optimized database.
Troubleshooting application and code issues.
- You have a strong appreciation for design and interaction, as well as an intimate understanding and appreciation for presentation layer code.
- You love puzzles, problem-solving and have proven in-depth knowledge in a variety of tech stacks.
- You are passionate about being precise in the implementation of designs and do not compromise on quality.
- You are comfortable working in a high-pressure environment and are able to adapt to the needs of the day.
- You are open-minded and curious to learn
Expectations and Responsibilities
- See a project through from conception to finished product
- Strong organizational skills. You should not need someone to “manage” you
- Excellent verbal communication skills
- Good problem-solving skills
- Attention to detail
- Be able to push the boundaries of technology to deliver an unparalleled product
- Able to research and use cutting edge tools to deliver seamless experiences for users
We expect you to have some exposure to the following technologies
- HTML5, CSS, SASS, JS
- CSS Libraries - Boostrap, CSS Grid
- Front-end frameworks (React/Angular/Vue)
- Git
- Coordinate with development teams,analysts and product managers to ideate software solutions.
- Meet both technical and consumer needs.
- Design client-side and server-side architecture that can scale to thousands of end users.
- Develop and manage well-functioning servers, databases and applications.
- Ensure cross-platform optimisation and responsiveness of applications.
- Diagnose and fix bugs and performance bottlenecks.
- Document code and write automated tests to ensure the product is of the highest quality.
- Create security and data protection processes.
- Design and develop secure APIs.
- Monitor & optimise application performance
- Staying abreast of developments in web applications and programming languages.
- Ability to quickly adapt and migrate code to most current technologies.
- 3+ years of proven experience working as a Full Stack Developer
- 5+ years of enterprise software development experience
- Experience developing desktop, mobile and web applications
- Proficiency with multiple front-end languages and frameworks (e.g. HTML, CSS, JavaScript, React, React Native, Kotlin, Swift, jQuery)
- Knowledge of multiple back-end languages, specifically JavaScript frameworks (Node JS, Python)
- Knowledge of AWS, Firebase, GIT and Jenkins.
- Expertise in algorithms, data structures, JSON manipulation/ parsing, XML, caching and logging frameworks.
- Hands on experience with databases (e.g. Postgres, MongoDB), web servers (e.g. Apache, NGINX) and UI/UX design implementation.
- Strong organisational and project management skills.
- An analytical mind with good problem-solving skills and attention to detail.
- Excellent communication and teamwork skills.
- Degree in Computer Science, Statistics or relevant field.
- Work in a high-trust, high-transparency environment, that will literally change the way you engage with people in your professional and personal life.
- Do massive scale, meaningful work that transforms the workdays and lives of people.
- Join us in Goa or remotely from anywhere across the world.
- Strong experience in building new features into one of the most advanced interfaces on the web
- Take a lead role with other engineers and designers to deliver strong customer-focused experiences
- Keep our product up to date with the latest frontend technologies such as React
- Practice disciplined software engineering (e.g. automated testing, code reviews, and writing beautiful, pragmatic code)
- Actively contribute to team and company standards
- Strong JavaScript development skills, understanding of new concepts, and proficiency in React, Angular, or other modern JS frameworks
- Extensive experience developing large-scale application software
- Have full knowledge of new HTML5 constructs, and CSS3
- Have experience with Single Page Application development
- Keep up to date with the newest technologies
- Develop features and create fulfilling user experiences
- A strong understanding of, and practical experience with, web application development
- A sincere commitment to crafting readable and reliable code
- 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.
- 2 Years of 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.
- Proficient understanding of code versioning tools, such as Git









