Bachelor’s degree in Computer Science, Information Technology, or a similar field.
Previous experience working as a React.js Developer.
In-depth knowledge of JavaScript, CSS, HTML and front-end languages.
Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
Experience with user interface design.
Knowledge of performance testing frameworks including Mocha and Jest.
Experience with browser-based debugging and performance testing software.
Excellent troubleshooting skills.
Good project management skills.

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Job Title: Senior Frontend Developer (Angular) – L4
Location: Mumbai
Experience: 7–12 Years
Role Overview
We are seeking an experienced Angular Developer (L4 level) with strong expertise in modern frontend technologies to build scalable, high-performance web applications. The ideal candidate will have deep experience in Angular, TypeScript, RxJs, ngRx, and a strong focus on unit testing and code quality.
Key Responsibilities
- Develop and maintain complex web applications using Angular (latest versions)
- Write clean, scalable, and maintainable code using TypeScript
- Implement reactive programming patterns using RxJs
- Manage application state effectively using ngRx (Store, Effects, Reducers)
- Design and implement reusable, performant UI components
- Ensure high code quality through unit testing (Jasmine/Karma or similar)
- Collaborate with backend teams, UX designers, and product stakeholders
- Optimize applications for maximum performance and scalability
- Participate in code reviews, architecture discussions, and technical decision-making
- Troubleshoot and debug complex application issues
Required Skills
- Strong experience with Angular (v10 or above preferred)
- Proficiency in TypeScript, JavaScript (ES6+)
- Hands-on expertise in RxJs (Observables, Operators, Subjects)
- Solid understanding of ngRx architecture and state management concepts
- Experience in Unit Testing frameworks (Jasmine, Karma, Jest, etc.)
- Knowledge of REST APIs and integration
- Familiarity with HTML5, CSS3, SCSS, and responsive design
- Understanding of frontend performance optimization techniques
- Experience with Git/version control systems
Preferred Qualifications
- Experience with CI/CD pipelines
- Exposure to micro-frontend architecture
- Knowledge of Agile/Scrum methodologies
- Familiarity with AWS/Azure or cloud-based deployments
- Strong problem-solving and analytical skills
- Behavioral Competencies
- Strong communication and collaboration skills
- Ability to mentor junior developers
- Ownership mindset and attention to detail
- Adaptability in a fast-paced environment
Seniority Level
L4 (Senior Individual Contributor)
Expected to drive modules independently and influence technical decisions
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
Excellent work experience in Javascript , HTML, CSS
Experience in Angular / ReactJS
Good Frontend Skils
Desired Candidate profile
● Architect and build scalable front-end web solutions using JavaScript, React, HTML, CSS and other fundamental web technologies.
● Build reusable code and libraries using iterative development practices for future use
● Ensuring high performance on mobile and desktop.
● Implement monitoring, metric dashboards, runbooks, logging, escalations, and alerts.
● Drive code and design reviews of components / systems / products in scope and drive the architectural governance for them.
● Implement best practices and constantly learn new ways of keeping code bases up to date
Roles and Responsibilities:
● A solid grounding in Computer Science fundamentals (based on a Bachelor's or Master's in Computer Science or related field) from reputed institutes
● 4+ years of development experience in modern web technologies (HTML/CSS, JavaScript), frameworks (React, Backbone.js, AngularJS, , etc)
● Ability to build a feature from scratch & drive it to completion
● Prior hands-on experience in building responsive web interfaces at scale for consumers in a product engineering setup
● Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system
● Excellent problem solving, debugging and optimization skills
● Strong knowledge of browser behavior, performance, compatibility and cross-browser issues
● Good understanding of REST API
● Familiar with front-end build tools, such as Webpack, Grunt and Gulp.js
● Proficient understanding of code versioning tools, such as Git
● Open source contribution is a plus.
- Work closely with our customers to understand their needs and build high-quality user interfaces.
- Build, test and ship dashboards using frameworks like React, ES6, and Webpack.
- Work with engineers and senior leadership to turn our vision into a tangible roadmap every quarter.
- Add positive energy in every meeting or interaction with your coworkers.
Minimum Qualifications
- B.E/B.Tech/M.Tech in CS/CE/IT
- Must-have requirements for candidates include proficiency in the following areas/aspects:
- Git version control system
- Ability to collaborate and communicate complex technical concepts.
- Experience working with charting libraries (i.e. ChartJS, Chartist, Grafana).
- Experience with ReactJS
- Experience building highly scalable, high performance, responsive web applications
- Experience in fundamental front end web technologies including but not limited to HTML, CSS, JavaScript - Minimum work experience 2 years
Languages/Frameworks
Javascript, React, HTML/CSS
Preferred Qualifications
- Experience building, adopting and maintaining RESTful APIs.
- A passion for all things UI and Front End
- Ability to work in a fast-paced and agile development environment
- Strong customer focus and obsession with quality
- Experience working with UI for data-heavy products.
The ideal candidate needs to be highly resourceful and innovative developer with extensive experience in the layout, design and coding of websites specifically in Wordpress. You must also possess a strong knowledge of web application development using PHP programming language and MySQL Server databases.
Responsibilities
- Perform a mix of enhancements, and new development as required
- Work on development or modification of WooCommerce and WordPress plugins to meet the desired functionalities
- Front-end technologies, including HTML5, CSS3, JavaScript, jQuery
- Building user interfaces for websites and/or web applications
- Work cross-functionally to convert business needs into technical specifications
Qualifications
- 0-1 years of experience in web development and software design
- Expertise in front-end technologies (HTML, JavaScript, CSS), Wordpress, PHP, and MySQL databases
Sportz Interactive (SI) works with its clients and partners to revolutionize the sports fan experience across consumption points by creating best-in-class, kickass products. SI was founded in 2002 as a B2B sports content business. Through the years, it gained immense reputation for its state-of-the-art hosted solutions, digital simulators, match centers and fantasy games. Sportz Interactive has a fantastic reputation in the online sports community, having worked with clients across the globe including the likes of The International Cricket Council, STAR Sports, Yahoo!, AOL, Eurosport, Castrol, Web 18, NDTV, Nimbus, Times of India, Rediff.com and Singtel amongst others.
Sportz Interactive provides in-depth sports information and content and specializes in product development for the web, mobile and other interactive platforms.
http://www.sportzinteractive.net/">www.sportzinteractive.net
2+ years of experience on web technologies.
Primary Responsibilities:
- Coding and debugging pure JavaScript, polyglot and multi-lingual applications.
- Working closely with Technical Lead/Project Manager to ensure development timelines are met.
- Contribute with ideas to improve system design or streamline product delivery.
- Working with challenging applications involving Real Time Data.
- Working on different platforms including the usage of the Native SDKs provided on JavaScript.
Required Skills:
- Strong experience in developing applications using Javascript and Jquery.
- Minimum 2 years of experience in React.JS is a must.
- Experience in any other Javascript libraries is an added advantage.
- Create different types of Charts and Graphics with the help of HTML5 Canvas, SVG etc.
- Should possess understanding of UI design and its behavior across devices (desktops to smart phones).
- Good to have worked with APIs exposed by social media sites like Facebook, Twitter, Instagram etc.
- Experience in working with data structures such as XML and JSON.
- Added knowledge of mobile development frameworks like jQuery Mobile is an added advantage.
- Good communication and problem-solving skills.
- Should be a self-starter and should have the ability to work under pressure.
- Should be passionate about sports.
Mandatory: Passionate about sports, Problem solving, Team player, Target & Result oriented
- Develop Proof-of-Concept and prototype applications using new technologies and frameworks. In addition to collaborating with internal teams and clients to create innovative solutions.
- Help establish GUI best practices and JavaScript frameworks for web development.
- Provide context and guidance for integration and implementation of Front-End Interfaces
- Translate wireframes, comps, and functional requirements into functional HTML/ CSS / Javascript.
- Develop standards-compliant mark-up and code for web sites and applications
- Develop JavaScript using standard Frameworks (jQuery, etc.)
- Develop small to medium size custom JavaScript libraries for reuse across the application
- Provide technology and implementation expertise to the domain, projects, or client
- Maintain leading-edge knowledge in emerging technologies and frameworks
- Participate in knowledge sharing and lessons learned sessions from project experiences









