Senior Ui Developer

Wissen Technology is Hiring for React Developer

About Wissen Technology:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide. Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Job Summary:

We are seeking highly motivated React Developer

Experience: 8+ Years

Location: Pune/ Mumbai

Mode of Work: Full Time

Key Responsibilities:

• Should have 8+ years hands on experience in web technologies like JavaScript, HTML5 & CSS.

• Expert level knowledge of JavaScript including latest edition(s) of JavaScript (ES2023). Knowledge of typescript is a plus.

• Hands on experience with JavaScript frameworks like React 17 and above versions

• Good understanding of asynchronous request handling, partial page updates like Promises, RxJS

• Proficient in advanced CSS3, HTML5 and Bootstrap. Exposure to css-in-js libraries like styledjs or others is beneficial.

• Able to translate mockups in figma or illustrator to actual working components.

• Working experience on testing tool like karma/jasmine/enzyme.

• Basic understanding of nodejs is beneficial.

• Proficient understanding of code versioning tools, such as Git

• Excellent analytical/reasoning skills

• Good team player

• Excellent written and verbal communication skill

Role Summary

We are looking for Front-End Web Developers who are 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
• Writing tested, idiomatic, and documented JavaScript, HTML and CSS/SCSS
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Cooperating with the back-end developer in the process of building the RESTful API
• Build reusable code and libraries for future use
• Builds the interactive data visualization and data interfaces using web technologies.
• Assure that all user input is validated before submitting to back-end
• Translation of the UI/UX design wireframes to actual code that will produce visual
• elements of the application.

Minimum Qualifications

• Minimum 3 + years of experience in ReactJS / Native development
• Experience in writing extensive unit test.

• 
  8+ years of experience in software development using modern languages (ReactJS/Native etc)
• Thorough understanding of ReactJS, Redux, Node.Js, Express Js etc
• Familiarity with modern front-end build pipelines and tools
• Design and develop scalable, performant and responsive FE architecture.
• Ability to deliver in test-driven method
• Critical thinker and problem-solving skills
• Nice to have worked on mobile products (IOS & Android)
• Experience in writing extensive unit tests
• Own code quality and experience in writing extensive unit tests
• Proven ability to learn and adapt to new technologies and frameworks quickly
• Excellent debugging and problem-solving capability.
• Team player
  Good time-management skills

• Work with creative and business partners to understand, build, and adjust web application functionality and visual presentation to support business goals
• Develop reusable, maintainable, accessible cross-platform HTML, CSS, and JavaScript for front end web application components while adhering to web and team standards
• Working in an AT/CI/CD paradigm develops with testing in mind; authors unit tests to provide sufficient testing coverage for each developed component
• Identifies opportunities to optimize and improve front end performance
• Remain curious and current with new developments in front end web development industry

Qualifications

• 0-2 years of practical front-end web development experience in writing and testing valid, web standards-based HTML, CSS, JS
• Understanding of basics of computer science such as Object-Oriented Programming, Data Structures, Development Patterns
• Good experience in front end development with both technical and visual expertise
• Some exposure to agile methodologies and supporting practices, tools, and technology
• Comfortable learning new technologies, tools, development/CI/CD processes, and best practices
• Ability to collaborate effectively with teams across different locations
• Possess effective verbal communication, writing, and presentation skills
• Analytical thinker with attention to detail
• E-commerce experience is a plus
• Knowledge of WCAG 2.0 AA is a plus
• Experience with react framework a plus
• Bachelor’s degree or equivalent relevant experience

• Minimum 3 years experience in React redux and Flux
• 3 years experience in Frontend skills
• Familiarity with database technology such as MySQL,  MongoDB. ·
• Good communication. 

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. 

Looking for someone to join our startup and work with us on several different projects. Strong communication skills are a must. 
Skills:

• Candidate with 2+ yrs of experience in UI development or theme implementation.
• Mandatory proficient understanding of web markup, including HTML5, CSS3, Javascript, JQuery, Bootstrap, Photoshop.
• Front-end (CSS) frameworks like Foundation or Bootstrap, Semantic UI.
• Design wireframe/layout for website, web application, mobile apps.
• Up-to-date, in-depth knowledge of modern HTML, CSS and JS.
• Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
• An eye for design to pixel perfect website conversion.
• Hands on experience on creating responsive websites using media queries (not just Bootstrap).
• Working knowledge of cross-browser-compatibility and different sizes of different screens.
• Self-motivated, good communication and ready to learn attitude.
• Experience with various JS libraries like jQuery, BackboneJS, UnderscoreJS etc.
• Experience in layout designing & theme conversion on open source CMS’s like WordPress, Drupal.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Optimize application for maximum speed and scalability.
• Good understanding of SEO principles and ensuring that application will adhere to them.
• Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them. - Proficient understanding of code versioning tools, such as Git

Responsibilities:

• Develop new user-facing features.
• Build reusable code and libraries for future use.
• Develop functional and appealing web and mobile-based applications based on usability
• Provide website maintenance and enhancements.
• Translation of the UI/UX design wireframes to actual code that will produce visual elements of the application
• Ensure the technical feasibility of UI/UX designs.
• Maintain graphic standards and branding throughout the product’s interface
• Stay up-to-date on emerging technologies promotes usability best practices.
• Optimize application for maximum speed and scalability. 
• Collaborate with other team members and stakeholders.
• Create quality mockups and prototypes on tight timelines.
• Proficient understanding of cross-browser compatibility, devices, responsive issues and ways to work around them.