
ExtJS Developer
at One of the leading product-based companies in India.
Mandatory Skills
- Very strong hands on experience of web technologies: - HTML JavaScript, HTML5/CSS3,
- 3 + years of UI Development Experience
- Has implemented coding patterns and built UIframework
- Cross browsers support/experience and knowledge of DOM manipulation on different browsers
- Performance enhancements on web page load and execution
- Experience with tools like Firebug.
- Basics knowledge on Ajax, jsp etc.
- Experience in Adobe Photoshop & Adobe Dreamweaver to mock up UIelements.
- Knowledge in any prototyping tools.
- Use responsive web design to create applications that automatically conform to multiple screen sizes/devices.
- Conduct usability testing to identify and fix UIissues
- Familiar with popular UIlibraries like Sencha, AngularJS, ExtJS & JQuery
- Collaborate with business analyst to discuss user interface requirements and brainstorm UIideas.
Job roles and Responsibilities:
- Ability to develop UIframework on JavaScript and CSS which confines to requirement of Solutions.
- Ability to work on cross browser compatibility
- Develop reusable components.
- Work closely with other developers in the team

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Remote opening
min 3.5 years
What you’ll do:
You will be working as a senior software engineer within the healthcare domain, where you will focus on module level integration and collaboration across other areas of projects, helping healthcare organizations achieve their business goals with use of full stack technologies, cloud services & DevOps. You will be working with Architects from other specialties such as cloud engineering, data engineering, ML engineering to create platforms, solutions and applications that cater to latest trends in the healthcare industry such as digital diagnosis, software as a medical product, AI marketplace, amongst others. Focuses on module level integration and collaboration across other areas of projects
Role & Responsibilities:
We are looking for a Full Stack Developer who is motivated to combine the art of design with 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.
• 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 back-end
• Collaborate with other team members and stakeholders
• Would be responsible to provide stable technical solutions which are robust and scalable as pe business needs
Skills expectation:
• Must have
o Frontend:
Proficient understanding of web markup, including HTML5, CSS3
Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS
Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
Good understanding of at least one of the advanced JavaScript libraries and frameworks such as AngularJS, KnockoutJS, BackboneJS, ReactJS etc.
Familiarity with one or more modern front-end frameworks such as Angular 15+, React, VueJS, Backbone.
Good understanding of asynchronous request handling, partial page updates, and AJAX.
Proficient understanding of cross-browser compatibility issues and ways to work
around them.
Experience with generic Angular testing frameworks
Must-haves:
1. You need to be excited about the problem that we are trying to solve
2. 2+ years of experience building applications in React Native
3. Build pixel-perfect, buttery smooth UIs across both mobile platforms.
4. Strong JS fundamentals
5. Experience with iOS or Native Android development experience
6. Ability to give clarity and communicate well with the team, including
Product, Backend and Dev-Ops (if and when needed)
7. Ability to use profiling tools well, getting to root causes of bugs fast
8. Ability to pick and work on adjacent technologies if and when
required (Eg: If the best performance monitoring solution needs a
basic firebase setup, that should not be a blocker for you to go ahead
and do so)
9. Maintain code and write unit tests to ensure the product is of the
highest quality.
10. Reach out to the open-source community to encourage and help
implement mission-critical software fixes—React Native moves fast.
11. You need to be comfortable working in a remote environment (Good
internet connection and availability on phone is required)
12. Keen to learn!
Good to have:
1. Experience with React.js
2. Experience in Test Driven Development
3. Ability to tell Product what creates better User Experience, ability to
tell backend what API responses will help the user get a faster load
time
4. Inquisitiveness to understand the system as a whole, and not only be
stuck to your domain of expertise (Eg: Asking questions like why
does this particular response take so much time as compared to
others, and brainstorming with the backend engineer on how to
improve on it
We are seeking a highly skilled Frontend Tech Lead with extensive experience in React.js developmentand team leadership. As a Tech Lead, you will be responsible for leading a team of developers while alsocontributing to the development of high-quality software solutions using React.js and related technologies.
Responsibilities :
● Lead a team of software developers in the design, development, and implementation of React.js-based software solutions.
● Provide technical guidance and mentorship to team members, ensuring best practices are followed and code quality is maintained.
● Collaborate with product managers, designers, and other stakeholders to understand requirements and translate them into technical solutions.
● Architect and design scalable, maintainable, and high-performance software systems using React.js and related technologies.
● Implement and maintain coding standards, code reviews, and other processes to ensure high-quality deliverables.
● Stay up-to-date with the latest trends and best practices in React.js development and incorporate them into the development process.
● Troubleshoot and debug complex technical issues, providing timely resolutions to ensure project deadlines are met.
● Work closely with cross-functional teams to ensure alignment on project goals, timelines, and deliverables.
● Participate in Agile/Scrum ceremonies such as sprint planning, daily stand-ups, and retrospectives.
Requirements :
● Bachelor's degree in Computer Science, Engineering, or related field.
● Minimum of 8 years of professional experience in software development.
● Extensive hands-on experience with React.js and related libraries/frameworks.
● Minimum 2-3 years of experience in leading and managing software development teams, with a proven track record of overseeing teams of at least 5-6 members.
● Strong understanding of software engineering principles, design patterns, and best practices.
● Experience with implementing or contributing to design systems, which helps maintain consistency across large applications.
● Experience with modern front-end development tools and workflows.
● Proficiency in HTML, CSS, and JavaScript.
● Excellent problem-solving and analytical skills.
● Strong communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.
● Understanding and application of security best practices in React applications, such as preventing XSS attacks, managing authentication/authorization securely, and understanding common vulnerabilities.
● Experience with Agile/Scrum methodologies is a plus.
- Working 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.
- Being able to develop new user facing features.
- Ensuring the technical feasibility of UI/UX designs.
- Optimizing application for maximum speed and scalability.
- Assuring that all user input is validated before submitting to the back end.
- Collaborating with other team members and stakeholders.
What you need to have:
- Proficient understanding of web mark-up, including HTML5, CSS3
- Basic understanding of CSS pre-processing platforms, such as LESS and SASS
- Rock-solid understanding of JavaScript. Should have experience in React, Redux, or any other state management library.
- Huge plus if you are worked on complex UIs which involved drag & drop interactions.
- Good understanding of asynchronous request handling, partial page updates and AJAX.
- Hands-on experience in optimizing the UI of an application.
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- Proficient understanding of code versioning tools, such as Git.
- Knowledge about Docker, Nginx, Angular and RxJs are nice to have and adds as a bonus.
Key Result Areas:
- Build world class Webapps for the Ola Electric ecosystem.
- Work on a full product development lifecycle from requirement gathering, product design, development, to roll out and maintenance
- Effectively collaborate with multiple teams and stakeholders including product and design
- Own the delivery of multiple features of the product end to end
- Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure) and code modularity, extensibility, quality
- Experience in building Websites from Scratch is a big plus
Key Skills Required:
- Min 3+ Years in Web Application Development
- Write clean, solid and testable code while keeping the user experience fast and reliable
- Strong understanding of HTML, CSS, JS, JQuery, Reach, Redux
- Proficient in Web Interface designing
- Experience in developing reusable UI components
- Deep functional knowledge or hands on design experience with Web Services
- Strong grasp of security principles and how they apply to E-Commerce websites.
● Experience Level: Min 2+ years
● JavaScript and react.
● RESTful API’s, basic HTTP knowledge, GET/POST.
● Experience using technologies like React, Redux, TypeScript, modern CSS frameworks and
web pack.
● Good Communication Skills
- Hands-on experience in developing User Interfaces (more than 4 years) using Angular 4+.
- Hands-on experience of using reactive frameworks like Redux, NgRX.
- Strong understanding of using UI testing frameworks like Jasmine, Mocha.
- Focus on building reusable components by employing Design patterns.
- Ability to remote diagnose user issues (With or without tools).
- Strong understanding of Object-oriented concepts.
- Ability to suggest alternative solutions for micro-level problems considering the environment constraints.
- Ability to diagnose development issues independently.
- Self-motivated learner.
Why us?
We at Wow Labz are always striving to look for exciting problems to solve. Whether we’re creating new products or helping a small startup extend its reach, we build from our heart. We’re entrepreneurial and we love new ideas. Fun culture with a team that cares about your development and growth.
What are we looking for?
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.
Desired Skills and Experience:
- 4 – 6 years of core experience in React JS.
- 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 (such as Flux or Redux)
- Familiarity with newer specifications of EcmaScript
- Experience with data structure libraries (e.g., Immutable.js)
- 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.
- Ability to understand business requirements and translate them into technical requirements
- A knack for benchmarking and optimization
- Familiarity with Redux middleware such as thunk, saga etc.
- Familiarity with code versioning tools such as Git.
Nice to have
- Knowledge of isomorphic React is a plus
Builds reusable components and front-end libraries for future use.
Experience with popular React.js workflows (such as Flux or Redux).
Familiarity with RESTful APIs.










