
Required Skills and Experience:
- 5 - 11 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, WebSocket's
- Hand’s on experience with web components, micro frontends
- Deep understanding of browser apis like history, intersection observer, 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.

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
- 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
React.js Developer Responsibilities:
- 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.
- 2-5 experience of working with SPA
- Highly skilled at front-end engineering using Object-Oriented JavaScript (ES5, ES6), various JavaScript libraries and frameworks (ReactJS), HTML and CSS
- Experience with Asynchronous and Futures (Promises) Design Patterns
- Proficient understanding of code versioning tools, such as Git
- Experience in developing Large-scale, Single-Page Applications (SPAs) and Unit Testing
- Good understanding of browser rendering behavior and performance
- Proficient understanding of cross-browser compatibility issues and ways to work around such issues
Good to have: Optional
- Working with Secure APIs using JWT/OAUTH
Who should not apply for this job
- If you are looking for a 100% hike in your salary but can't commit to what value you will bring to the team
- If you never read books
- If you jump companies every 11-12 months
- If you are not comfortable working on Saturdays
- If you have less than 1 years of experience
- If you have more than 4 years of experience
About the Role:
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.
Key-Skills Required:
Node.js | Express | REST Api | Javascript | Redux-Saga | MongoDB | Web security TLS/SSL | Web Sockets | Promises & Call-backs | Database & Data structures | Redis | React.Js
Key Deliverables:
- New feature design and implementation, Bug fixing, testing, and performance tuning.
- Work on the API and Engines.
- Code deployment on cloud & maintenance of the same.
- Take complete ownership of a product/feature from setup to deployment.
- Time-bound feature delivery & updating.
- Cost-saving using efficient & effective technologies
Role and Responsibilities:
- Work on back-end (+ frontend integration) development of core scripts using React/Redux/Saga/Hooks and Redis.
- Manage Key-value based databases like Redis.
- Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular and database level.
- Be able to write unit tests.
- Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
- Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
- 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 the back-end
- Collaborate with other team members and stakeholders
3-6 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on delivery schedule)
(We do ZERO deductions since the salary will be paid from US/Singapore)
- Convert design to Angular 5 components.
- Must have good experience in UI Developer + Angular.
- In-hand experience on UI Developer, Discovery, Angular, Brand and platform exploration, Styleguide, Proof of concept, Design production, Usability testing.
- Use SCSS as the CSS macroprocessor.
- Integrate the Angular services with APIs from the backend team.
- Test your screens using a tool for all browsers and resolution compatibility.
- Handle and track tasks assigned using Agile methodology.
- Strong commitment towards quality and schedule.
- Cross team coordination.
- Implement UI development best practices to write optimized and non-buggy code.
- Work in Agile environment with sprint releases ranging from 2 to 4 weeks.
- Feasibility study of requirement and suggest multiple approaches for a problem after sufficient RnD.
- Keep abreast with trending recent UI tools, technologies, plugins and software in the industry.
- Roll-up your sleeves attitude to get things done.
What we're looking for
AdPushup is an award-winning ad revenue optimization platform and Google Certified Publishing Partner (GCPP), helping hundreds of web publishers grow their revenue using cutting-edge technology, premium demand partnerships, and proven ad ops expertise. Our team is a mix of engineers, marketers, product evangelists, and customer success specialists, united by a common goal of helping publishers succeed. We have a work culture that values expertise, ownership, and a collaborative spirit.
Your Day-to-Day Tasks Include:
Ship product, independently and/or as part of a small team
Collaborate with other engineers to build new features
Debugging using dev consoles, firebug, firecookie, or any of your favorite tools. Help troubleshoot production issues and resolve critical customer facing issues Provide top-notch support to our customers
You Should Have:
3+ years of experience with React.
A strong body of prior front end work, including significant projects written in React and Redux. Mastery of JavaScript; expertise in most of the following technologies, and proficiency in all of them: CSS3, HTML5, AJAX.
Deep understanding of closures, prototypal inheritance, HTTP, web security, cross browser compatibility challenges.
Experience with NodeJS and Express JS will be a plus
Hands-on with a code management system like GIT, SVN.
Experience with NoSQL databases, preferably CouchDB or CouchBase.
Good to have: Experience with Typescript.
Responsibilities
- Developing new user-facing features using ReactJS
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high quality code
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Understand business requirements and translate them into technical requirements
- Building robust applications that can handle both unexpected errors and heavy load
- 3+years experience in Reactjs
- Strong proficiency in JavaScript and Typescript
- Strong Knowledge of Redux/React Context/Hooks
- Strong Knowledge of frontend end technologies such as HTML/CSS
- Experience developing with responsive applications
- Knowledge of modern authorization mechanisms, such as JSON Web Token
- Familiarity with modern front-end build pipelines and tools like Webpack or Create React App
- Familiarity with Git
Responsibilities:
- Work 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.
- Implement UI development principles to ensure that the product client-side serves at scale.
- Review and optimize app usage by monitoring key metrics and rectifying the issues proactively.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
- Developers should be team player or should work individually when required.
- Developer should work parallel to backend developers.
- 1 to 2 years of relevant work experience as a web developer, UI developer, JavaScript expert, or frontend engineer
- Proficiency in HTML, CSS, JavaScript, and jQuery.
- Good understanding of APIs and how to use them to get the work done fast.
- Proficiency in writing clean and optimized code.
- Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system.
- Experience debugging using popular JavaScript-based tools like Chrome Developer Console.
- Knowledge of ReactJs/VueJs & Python will be a plus
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