
Strong hands-on experience with ReactJS, Redux, TypeScript, HTML, Bootstrap, Material UI, CSS3/SCSS, Webpack, NPM, NVM, Visual Studio Code
Knowledge/Experience on Restful APIs integration.
Unit testing with Jasmine or an equivalent framework
Experience or Knowledge in developing complex reusable component libraries such as complex grids, spreadsheet components etc.,
Strong in UI/UX standards implementation
Understanding of browser fundamentals and Page Optimizations
Experience working with Git and Azure

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Company Overview
VC-backed Fintech startup with an innovative online trading application seeking an experienced Frontend Engineer to join our growing team.
We're based out of UK and have our engineering team in India.
Job Description
We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). 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. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important.
Responsibilities
- Developing new user-facing features using React.js
- 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
- Maintain existing React systems, including fixing bugs
- Handling backend infra written in Next/Node/Express
Skills
- Strong proficiency in debugging, JavaScript, including DOM manipulation and the JavaScript object model
- Thorough understanding of React.js and its core principles
- Experience with popular React.js workflows (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- Knowledge of isomorphic React is a plus
- Knowledge of isomorphic Next js and Node js 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
- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
- Familiarity with basic authentication mechanism and security
- 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
[Please note: Our HQ is in Wales and we're in the process of creating an Indian Entity. This means that the candidate will be responsible for all Tax related compliances until the entity is setup.]
Looking for candidates only with tier 1 colleges OR have experience in a product-based company.
You will be designing front-end architecture with architectural guidelines in mind (secure,high-performing, scalable, extensible, flexible, simple).
● Architect, Design and develop front-end applications.
Desired Skills
● Minimum 6+ years of coding experience.
● Strong hands-on experience on React.js, MVC & related JS Frameworks.
● Strong knowledge of HTML5, CSS3, responsive design, single page applications.
● Build a highly scalable product right from scratch.
● Expertise in caching, minification, bundling techniques to improve front-end performance.
● Experience in working with AB Testing.
● Experience in using front-end monitoring tools to troubleshoot errors and recognise performance bottlenecks.
● Strong foundation in computer science fundamentals: data structures, algorithms, and coding.
● Proficient understanding of code versioning tools(GIT, SVN), working experience with Agile methodology and fast iterative development cycles
Responsibilities:
• Develop and maintain mobile applications using React Native.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization, and automation.
• Write clean, maintainable, and scalable code.
• Participate in code reviews to ensure code quality and share knowledge with the team.
• Stay updated with the latest industry trends and technologies.
Requirements:
• Strong proficiency in JavaScript and familiarity with ES6+ syntax.
• Experience with Redux or other state management libraries.
• Familiarity with RESTful APIs to connect mobile applications to back-end services.
• Knowledge of mobile app architecture and design patterns.
• Experience with third-party libraries and APIs.
• Understanding of mobile development best practices.
• Ability to write well-documented, clean code.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork skills.
Candidate will be responsible for designing, developing, testing, and debugging responsive web and mobile applications for the company. Using Angular/React, JavaScript, HTML, and CSS, this candidate will be able to translate user and business needs into functional front-end design.
Responsibilities :
- Designing, developing, and testing UI for mobile and web applications.
- Build reusable code and libraries for future use.
- Accurately translate user and business needs into functional front-end code.
Requirements :
- Bachelor's degree or equivalent in Computer Science, Information Technology or MCA.
- 2-5 years of experience
- Good in fundamentals of Computer Science and Programming Languages
- Understanding of HTML, CSS or JavaScript will be an added advantage.
Who are we?
Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users.
What sets us apart from the rest?
With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.
With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space.
We are pleased to have an Employee rating of 4.6 on https://www.glassdoor.co.in/Reviews/Whatfix-Reviews-E1016569.htm" target="_blank">Glassdoor and our Customer obsession can be seen in our reviews on platforms like https://www.g2.com/products/whatfix/reviews" target="_blank">G2 Crowd & https://www.gartner.com/reviews/market/customer-communications-management-software/vendor/whatfix/product/whatfix" target="_blank">Gartner Peer Insights.
The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - http://www.sequoiacap.com/" target="_blank">Sequoia Capital || http://www.stellarisvp.com/whatfix-what-we-learnt-from-series-a-to-series-b-in-a-saas-business/" target="_blank">Stellaris || https://blogs.cisco.com/innovation/tomorrows-customer-experience-why-cisco-invested-in-whatfix" target="_blank">Cisco || https://eightroads.com/en/news/our-investment-in-whatfix" target="_blank">Eight Roads || http://www.helionvc.com/blog/we-are-pleased-collaborate-whatfix.html" target="_blank">Helion Ventures
“Hustle Mode ON” is something we live by.
Our Team:
The Engineering team at Whatfix provides end-to-end engineering throughput that forms part of core platforms and services that drive Whatfix's business.
Our team is responsible for creating the Customer Platform and everything around it - be it Analytics, Infrastructure, or Core Algorithms. The team owns and is responsible for all pieces that we design, build and support end to end for Whatfix product/ business.
Our product is built around a core of JAVA with enterprise businesses using the Whatfix system. On a monthly basis, millions of interactive guides are processed. Building, testing, and deploying to any of our environments are as simple as pushing a commit to a git branch. We like to keep our technology up-to-date. All of the technology is built and maintained by this small development team, so from day 1, the software you write will be used by people from all over the world.
RESPONSIBILITIES:
- Design and develop highly scalable, reliable, and fault-tolerant systems for one of the world’s fastest-growing startups
- Work with business to define requirements
- Perform technical design and hands-on coding for development and enhancement efforts
- Develop new user-facing features
- Building reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize applications for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end services
- Promote best practices in design and coding
- Conduct design and code reviews
- Understand the customer needs & implement
- Articulate complex problems communicating viable architecture and design approaches in a clear and concise manner
- Enhance the agile SDLC within the Development Team through new learning, continued growth, and applying industry best practices and processes
- Occasionally participate in customer demos & provide inputs wherever required
- Keep optimizing & automating mundane tasks
You'll be a core member of the team.
Individual growth is important to us. We schedule time every week to explore an interest or learn something new. Team members have also used it to do everything from learning new algorithms to playing with the new framework, to exploring what the new analytics layer could be used for. We also take some time each day to discuss what we're working on, and even pair programs to teach each other about parts of the codebase. There's no risk of stagnation in this job, you would still be hands-on after a few years.
REQUIREMENTS:
We are looking for a Front-End Engineer to help us scale and go deep on our technical capabilities.
- 4 -12 years of professional front-end development experience
- Hands-on experience with Front end technologies - JavaScript, Typescript, HTML, CSS
- Experience with React Ecosystem (React Router, Styled-components, Server-side rendering, Context API, React Hooks) is strongly preferred
- Experience with state management libraries such as Redux is a huge plus.
- Proficient understanding of cross-browser compatibility issues and ways to work around such issues
- Experience in backend programming languages such as Java is strongly preferred
- Experience in building Web applications using frameworks like Spring, Microservice architecture
- Work experience, preferably from internet companies, products, or startups
- Expertise in design principles and their application
- Strong verbal and written communication skills
- Fast Learner & a Team Player
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
- Gathering and evaluating user requirements in collaboration with product owners and engineers.
- Ensuring design consistency with the client’s development standards and guidelines.
- Ensuring high performance on mobile and desktop and fluency in mobile-based information architecture and design.
- Creating visually appealing experiences that feature user-friendly design and clear navigation.
- Guiding and maintaining developer teams and best practices.
What you need to have:
- Hands-on experience in building Web User Interface (UI) using HTML/HTML5, CSS, SCSS, Advance Javascript Libraries, Jquery, Bootstrap and UI frameworks like Node.js React, redux/angular.js/ backbone, Hapi.js.
- Experience in creating ‘Responsive’ and ‘Adaptive’ web-sites using HTML5 and CSS3 targeting desktop, tablet, and mobile devices.
- Proficiency with Angular 2/4/5/6/7/8
- For UI developer Job- must have good understanding of AJAX and JavaScript Dom manipulation Techniques
- Strong expertise with HTML, CSS, and writing cross-browser compatible code
- Experience in JavaScript build tools like grunt or gulp
- Expert in any one of the modern JavaScript MV-VM/MVC frameworks (AngularJS, JQuery, NodeJS, GruntJS, ReactJS)
- Strong understanding of front-end coding and development technologies.
- For UI developer job- must have the ability to provide SEO solutions for websites
- Experience with building the infrastructure for serving the front-end app and assets.
- Sound knowledge of IT concepts and the latest trends.
- Strong verbal and written communication and interpersonal skills

Integrate and extend Python REST APIs and create visually stunning UI experiences for analysts and
users.
Create flexible dashboards and reports (using plotly, d3, etc) and leverage open source technology to
create various components.
Create a flexible UI for data analytics and big data usecases which can be used by Large Tier banks as
well as smallscale agile startups
Write unit tests and functional tests for the component using tools like Jasmine, Karma, Cypress, etc.
Follow software development practices with continuous testing, development and integration (CD/CI)
Write and maintain technical design documents and new-feature documents
Collaborate closely with developers, engineers, testers, and product managers
Participate in peer-based code reviews and design reviews
Follow agile methodology and encourage collaboration with tools such as GIT, Confluence and Slack
applications
- Optimizing components for maximum performance across a vast array of web-capable devices and browsers
- Ability to understand business requirements and translate them into technical requirements
- You will ensure that these components and the overall application are robust and easy to maintain.
- Have a good understanding of design and user experience principles.
- Open-minded, flexible, and willing to adapt to changing situations
- Ability to work independently as well as on a team and learn from colleagues
- High adaptability in a dynamic start-up environment
- Ensuring technologies are used efficiently, profitably, and securely. Evaluating and implementing new systems and infrastructure.
- Excellent troubleshooting, analytical and problem-solving abilities with a tenacious commitment to finding the root cause of issues.
Qualifications :
- B. Tech/B.E/MTech or a related technical discipline from reputed universities
Skills Required :
- Minimum 1+ years experience in Front-End Development using ReactJS Framework
- Experience in consuming Restful Web services
- Strong hands-on experience on HTML5, CSS3, JavaScript, Bootstrap & CSS preprocessors
- Should be adept at converting PSD to HTML
- Should know UI/UX
- Excellent development skills on best practices for cross-browser compatibility and Responsive UI.
- Good with agile development practices such as continuous integration and deployment
- Knowledge of Version Control System
- Write and maintain technical documentation
- Knowledge of MVVM Architecture
- Cares deeply about writing Quality, Testable & Modular code
Roles and Responsibilities
- Lead the delivery of high quality, innovative, flexible, cost-optimized and scalable technical solutions that meet business requirements
- Design, Develop, test and maintain software applications with MVC architectures, Micro services and scalable cloud native apps.
- Perform hands-on coding and provide thoughtful code reviews
- Mentor and lead team members to continuously improve quality and productivity of deliverables
- Demonstrate ability to work within an agile team as well as collaborate with many other teams on design and implementation strategies. Follow SCRUM Agile Development methodology
- Effective Communication Skills- An ability to express your ideas to the recipient & Co-ordinate and communicate with cross functional team along with client's team
- Problem Solving, Hustler - Get Stuff Done, Self-Disciplined Open-minded, User Focused, Adaptive
- Lean Principles & Analytical Thinking
- Project planning, timelines and milestones for execution and deliverables
- Participate into the Evaluation Review of your team member
Desired Candidate Profile
- Experience in building enterprise web application using ReactJS as the frontend framework
- Experience with Redux and React Hooks
- Expert in HTML5, CSS3
- Experience in Bootstrap4 or CSS pre-processor like Less or Sass is highly desirable
- Strong knowledge of best practices and modern web design trends is necessary.
- Some experience with modern web-based typography.
- Excel at rapid prototyping and at writing good code.
- Experience with testing/debugging in multiple browsers and platforms.
- Expertise in using Javascript
- Should have worked on REST client and WebSockets
- Should be able to write Unit testing using any one of the frameworks like Cypress, Jasmine, Karma, Jest , Enzyme or any other similar framework.
- Should have experience in either one of the Build scripts like Gulp or Grunt or Webpack
- Low-Latency UI, Page optimization, and bundle build+caching
- Problem-solving and debugging skills
- Component-based architecture







