
Job Title: Senior React.js Developer
Experience: 5+ Years
Location: Pune
Employment Type: Full-Time
Job Summary:
We are looking for a skilled React.js Developer with 5+ years of experience to join our team. You’ll build scalable, high-performance web and mobile applications, work closely with designers and backend developers, and ensure responsive and user-friendly UI/UX across platforms.
Key Responsibilities:
- Develop dynamic, reusable components using React.js, JavaScript, HTML5, and CSS3
- Integrate wireframes and UI/UX designs into functional front-end interfaces
- Ensure cross-browser/platform compatibility and responsive design
- Optimize apps for speed and scalability
- Implement and maintain unit and E2E tests (Jest, Playwright, Puppeteer)
- Integrate with RESTful APIs and backend services
- Maintain code quality and performance standards
- Collaborate with designers, product managers, and backend engineers
- Mentor junior developers and contribute to best practices
Required Skills:
- 5+ years in front-end/UI development
- Strong in React.js, JavaScript (ES6+), HTML5, CSS3
- Experience with Redux, SASS/LESS, REST APIs
- Familiarity with performance optimization tools
- Solid understanding of UI/UX design principles
- Excellent communication and team collaboration skills
- Bachelor’s degree in Computer Science or related field

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
Similar jobs
About Us
We believe the future of software development is AI-native — where engineers operate at a higher level of abstraction and quality remains non-negotiable.
Incubyte is a software craft consultancy where the “how” of building software matters as much as the “what”.
We partner with companies of all sizes, from helping enterprises build, scale, and modernize to early-stage founders bring their ideas to life.
Our engineers operate in an AI-native development model, using AI as a collaborator across the SDLC to accelerate development while upholding the discipline of software craftsmanship. Guided by Software Craftsmanship and Extreme Programming practices, we build reliable, maintainable, and scalable systems with speed, without compromising quality. If this way of building software resonates with you, we’d like to talk.
Our Guiding Principles
These principles define how we work at Incubyte. They are non-negotiable.
Relentless Pursuit of Quality with Pragmatism
We build high-quality systems without losing sight of delivery.
Extreme Ownership
We take responsibility end-to-end for decisions, execution, and outcomes.
Proactive Collaboration
We collaborate closely, challenge each other, and solve problems together.
Active Pursuit of Mastery
We continuously improve our craft and raise our bar.
Invite, Give, and Act on Feedback
We seek, give, and act on feedback to get better every day.
Ensuring Client Success
We act as trusted partners and focus on real outcomes, not just output.
Job Description
This is a remote position.
Experience Level
This role is ideal for engineers with 5+ years of full-stack software development experience, with a strong developer mindset and hands-on experience building and maintaining production systems.
An experienced individual contributor who thrives in ownership-driven environments, can operate effectively with minimal oversight, and is comfortable working in the absence of a traditional Product Manager while demonstrating a strong product mindset.
What You’ll Do as a Software Craftsperson
- Design and build high-quality, maintainable systems using disciplined engineering practices such as TDD, Test Pyramid, and a strong focus on overall software quality
- Operate in an AI-powered development environment, leveraging AI as a collaborator to explore solutions, accelerate development, and improve outcomes while maintaining strong engineering judgment
- Take end-to-end ownership of tasks, from understanding requirements to execution and delivery, with minimal supervision
- Work extensively on modern JavaScript/TypeScript-based systems as a core part of the development stack
- Develop and maintain backend systems using Ruby on Rails, ensuring scalability, performance, and reliability
- Build and manage DevOps workflows, including creating and maintaining CI/CD pipelines using tools such as CircleCI and GitHub Actions
- Set up and monitor systems using tools like Datadog dashboards to ensure system reliability and observability
- Make thoughtful technical decisions that balance simplicity, scalability, and maintainability
- Work in a highly autonomous environment, defining problems, interacting with customers when needed, and driving solutions independently
- Contribute to improving engineering practices, developer experience, and system quality across the team
- Contribute to mobile development efforts using React Native or Flutter (where applicable)
Requirements
What You’ll Bring
- 5+ years of hands-on full-stack software development experience with a strong developer mindset
- Expert-level proficiency in JavaScript and/or TypeScript
- Strong experience or familiarity with Ruby on Rails (Intermediate level or above preferred)
- Solid understanding of Software Craftsmanship principles, including TDD, Test Pyramid, and quality-first development
- Experience or familiarity with DevOps practices (CI/CD pipelines, GitHub Actions, CircleCI) at an intermediate level
- Familiarity with monitoring and observability tools such as Datadog
- Exposure to or interest in AI Engineering (beginner level acceptable) and the ability to work effectively in AI-assisted environments
- Experience with mobile development- Flutter
- Strong critical thinking and problem-solving skills, with the ability to independently define and execute tasks
- Comfort working in a high-ownership, low-structure environment without a dedicated Product Manager
What We Value
- Extreme ownership – you take responsibility for outcomes and drive work end-to-end
- Ability to independently execute and define problems, not just solve assigned tasks
- A strong product mindset – willingness to talk to customers, understand problems deeply, and define direction when needed
- Deep care about developer experience and engineering quality
- High standards, autonomy, and a bias toward action
Life at Incubyte
We are a remote-first company with structured flexibility. Teams commit to shared rhythms during core hours, ensuring smooth collaboration while maintaining autonomy. Twice a year, we come together in person for a co-working sprint and once a year for a retreat - with all travel expenses covered.
Our environment is built for crafters: pairing, refactoring, experimenting with AI, and pushing the boundaries of software excellence. We are all lifelong learners, and our work is our passion.
Perks
- Dedicated learning & development budget.
- Sponsorship for conference talks.
- Comprehensive medical & term insurance.
- Employee-friendly leave policies.
- Home Office fund
- Medical Insurance
Experience: 5-10 years experience
Location: Bangalore
Required Skills and Experience:
- 5-10 years of experience in front-end development, with a strong focus on React.js.
- Proven experience with React.js and related technologies (e.g., Redux, React Router, Hooks, Context API).
- Strong proficiency in JavaScript, HTML5, CSS3, and modern front-end build tools (e.g., Webpack, Babel, etc.).
- Hands-on experience with RESTful APIs, Server Sent Events, WebSockets
- Hand’s on experience with web components, microfrontends
- Deep understanding of browser apis like history, intersectionobserver, event handling, virtual panes, drag and drop etc
- Ability to work on a complex and fast moving code base.
- Familiarity with TypeScript and its integration with React applications.
- Strong problem-solving skills and attention to detail.
Job Summary:
Core Technical Skills
Strong JavaScript OR TypeScript experience (minimum 2 years)
Angular OR good balance of JS/TS + Angular skills
Understanding of HTTP requests & web technologies
Hands-on project experience in JavaScript ecosystem
Good to have (not mandatory):
Node.js
XPath
Puppeteer
Automation scripting exposure
Coding & Development Skills
Building and maintaining UI components
Writing clean, maintainable code
- Debugging & troubleshooting in production/test environments
Share Cv to
Thirega@ vysystems dot com - WhatsApp - 91Five0033Five2Three
We build the best of commerce tools for brands across India. We power commerce for some of the top brands like Levis, boAt, Birkenstock, Kohler and lot more. We are looking for a rockstar Reactjs developer to join us and build the best of tools to empower the largest brands of India.
- 3-5 years of experience in front-end development with React.js.
- Strong proficiency in JavaScript (ES6+), TypeScript (preferred).
- Hands-on experience with Redux, Context API, or Zustand.
- Good understanding of RESTful APIs, GraphQL, and WebSockets.
- Experience with front-end build tools (Webpack, Babel, Vite, etc.).
- Knowledge of CSS frameworks like TailwindCSS, Bootstrap, Material UI.
- Familiarity with unit testing (Jest, Cypress, React Testing Library).
- Experience with Git, GitHub, and CI/CD pipelines.
- Ability to work in an Agile development environment.
- Strong problem-solving skills and attention to detail.
Skills:
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (Redux)
- Familiarity with newer specifications of ECMAScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Familiarity with RESTful APIs
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial)
- Lead multiple client projects in the organization.
- Define & build technical architecture for projects.
- Introduce & ensure right coding standards within the team and ensure that it is maintained in all the projects.
- Ensure the quality delivery of projects.
- Ensure applications are confirmed to security guidelines wherever required.
- Assist pre-sales/sales team for converting raw requirements from potential clients to functional solutions.
- Train fellow team members to impose the best practices available.
- Work on improving and managing processes within the team.
- Implement innovative ideas throughout the team to improve the overall efficiency and quality of the team.
- Ensure proper communication & collaboration within the team
Requirements
- 5+ Years of experience in developing large scale applications.
- Solid Domain Knowledge and experience with various Design Patterns & Data Modelling
- Must be well-aware of the latest technological advancements for relevant platforms.
- Should have Research Oriented Approach
- Solid at Logical thinking and Problem solving
- Solid understanding of Coding Standards, Code Review processes and delivery of quality products
- Experience with various Tools used in Development, Tests & Deployments.
- Sound knowledge of DevOps and CI/CD Pipeline Tools
- Solid experience with Git Workflow on Enterprise projects and larger teams
- Should be good at documentation at project level and code level
- Should have solid experience with Agile Methodology and process
- Should have good understanding on Software UX
- Proficient with communication and good at making judgments
Expected Outcomes
- Growing the team and retaining talent, thus, creating an inspiring environment for the team members.
- Creating more leadership within the team along with mentoring and guiding new joiners and experienced developers.
- Creating growth plans for the team and preparing training guides for other team members.
- Refining processes in the team on a regular basis to ensure quality delivery of projects- such as coding standards, project collaboration, code review processes etc.
- Improving overall efficiency and team productivity by introducing new methodologies and ideas in the team.
- Working on R&D and employing innovative technologies in the company.
- Streamlining processes which will result in saving time and cost optimization
- Ensuring code review healthiness and shipping superior quality code
Benefits
- Unlimited learning and growth opportunities
- A collaborative and cheerful work environment
- Exceptional reward and recognition policy
- Outstanding compensation
- Flexible work hours
- Opportunity to make an impact as your work will directly contribute to our business strategy.
At Nickelfox, you have a chance to craft a career path as unique as you are and become the best version of YOU. You will be part of a team with a ‘no limits’ mindset in an inclusive, people-focused culture. And we’re counting on your unique perspective to help Nickelfox grow even faster.
Are you passionate about tech? Dedicated to learning? Come, join us to build an extraordinary experience for yourself and a dignified working world for all.
What makes Nickelfox a great place for you?
In Nickelfox, you’ll join a team whose passion for technology and understanding of business has driven the company to serve clients across 25+ countries in just five years. We partner with our customers to fuel their growth story and enable them to make the right decisions with our customized technology services and insights. All in all, we are passionate to see our customers win the day. This is the reason why 80% of our business comes from repeat clients.
Our mission is to provide dignified employment and an environment that recognizes the uniqueness of every individual and values their expertise, and contribution. We have a culture that encourages everyone to bring their authentic selves to work. Our people enjoy a collaborative work environment with exceptional training and career development. If you like working with a curious, youthful, high-performing team, Nickelfox is the place for you.
Required Skills
As a developer, you have a passion for development and a thirst to learn. You enjoy working in a fast-paced and dynamic environment. You are a quick learner who can step up and take ownership of work to get things done on time. You also enjoy and appreciate working and collaborating with others from various backgrounds as part of a team.
Job Requirement
- Full-stack developer with exposure working in building products from scratch
- Have 2+ years in implementing front-end of applications using ReactJS
- Proficient in HTML 5, CSS 3, Bootstrap Ant-D, Redux, JavaScript and writing cross-browser compatible code
- Good knowledge of MVC, MVVM, OOPS concepts, Web Development Concept.
- Experience with RESTful services
- Work experience any one of the backend technologies such as Java, NodeJS, .NET will be a major plus
- Experience in JavaScript build tools such as web-pack /gulp
- Familiar with testing frameworks (such as Jasmine) and Test runner framework (such as Karma) (good to have)
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
- Knows unit testing
- Critical thinker and problem-solving skills
- Good time-management skills
- Great interpersonal and communication skills
Duty /Responsibility
- Your specific duties in this role will include:
- Responsible for the front end/UI development for of the web-based and mobile-based application
- Responsible for communicating with clients
- Responsible for communicating with Designing Team and Team Manager
- Responsible for Requirement Analysis
- Responsible for mentoring junior front-end developers
- Responsible for researching new web technologies
- Responsible for developing POCs
- Respond to technical queries/requests from team members and customers.
- Coach, guide, and mentor junior members in the team.
- Lead the design and implementation of our new web-based user interface for our partner management service
• Work effectively with product management, UX designers and backend engineers
• Commit to deliver high quality, robust, and accessible user interface
• Follow software development best practices including writing unit tests and perform code reviews
• Build reusable components and libraries and optimize for maximum performance
• Provide production deployment support and troubleshooting
What you need to be ready:
- Minimum 3+ years of experience in UI Development
- Thorough understanding of React.js and its core principles with minimum 2 years of experience
- Prior experience in building customer facing web Application
• In-depth knowledge of HTML, Typescript/JavaScript, CSS/Sass, and related frameworks and libraries
• Thorough understanding of React.js and its core principles with minimum 2 years of experience
• Experience in Single Page Application architecture
• Proficient in writing tests using Jest, Mocha or any similar framework
• Strong computer science fundamentals in design, data structures, and problem solving
• Excellent troubleshooting skills
Technology Skills
- Advanced Javascript framework: ReactJS, AngularJS, BackboneJS.
- Familiarity with common Javascript Libraries such as jQuery would be a plus.
- NodeJS knowledge is a plus.
- Fluent in responsive design and mobile / tablet UI / UX.
- Knowledge about UI testing automation.
- Web mobile (touch devices: mobiles and tablets) experience is expected.
- UI Performance: should have hands on experience of optimising page load, rendering, caching
- Good understanding of AJAX and its UI implications.
- Sense for appeal & aesthetics from a usability perspective.
Soft Skills
- Obsessed with best practices and have an eye for detail.
- Self starter with a high level of drive and commitment.
- High energy and drive to work in a startup environment.
- Conceptual thinking, flexibility and ability to juggle with multiple responsibilities.
- Ability to work under pressure and confidence to deal with complex issues.
- Strong communication skills.
- Hands-on and detail oriented.
Gupshup is a product development company which was IIT incubated in 2005.
Headquartered in Silicon Valley, Gupshup is a global leader in cloud messaging, enabling businesses to build engaging conversational experiences, seamlessly across 30+ messaging channels, using a globally available cloud API.
Gupshup handles over 4.5 billion messages per month and has processed over 225 billion messages, enabling over 36,000 businesses to engage nearly a billion users across channels including SMS, WhatsApp, Facebook Messenger, Twitter, WeChat, Viber, Slack, Android RCS, Mobile App and Mobile Web.
Gupshup offers a comprehensive product portfolio that includes an easy to use omni-channel messaging API, advanced bot building platform and mobile marketing tools. Gupshup has also forged strategic partnerships with Facebook, WhatsApp, Google and Cisco to offer innovative mobile messaging solutions with broad reach.
We have an opportunity for Software Engineer-UI
Job Responsibilities:
Highly skilled at front-end engineering using Object-Oriented JavaScript, various
JavaScript libraries and micro frameworks (jQuery, Angular, Prototype, Dojo, Backbone,
YUI), HTML and CSS.
A very strong Javascript foundation and clear understanding of Javascript classes,
prototype based inheritance, modules, private member scopes, etc
Well-versed in software engineering principles, frameworks and technologies.
Involvement in developing and enhancing main front end platform - website
Experience in performing code analysis, requirements analysis, identification of code
metrics, system risk analysis and software reliability analysis.
Develop specifications and designs for complex applications or modifying/maintaining
complex existing applications
Excellent communication skills
Self-directed team player who thrives in a continually changing environment.
Regards,
Tina Dsouza











