


passion for all things JavaScript, having built complex single-page applications on React/Redux for at least 2 years.
Profound understanding of HTML, CSS, and browser capabilities to build beautiful, fast and snappy applications.
Comfortable with jest for writing unit and integration tests/puppeteer for e2e tests.
Curiosity to remain updated with the newest technologies and frameworks. Intuition for usability and UI design, with an ability to balance polish with the constraints of timing and scope.
Comfort with any of WebRTC/Backend Stack/React Native is a strong plus.
Most importantly, love coding and debugging gnarly problems!

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📍 Position : Lead Angular Developer
📅 Experience : 7 to 12 years
🧑💼 Open Positions : 2
📍 Work Location : Bangalore, Pune, Chennai
🏢 Work Mode : Hybrid – 3 days/week in-office
📅 Notice Period : Immediate to 15 days preferred
🔧 Key Responsibilities :
- Lead the design, development, and optimization of responsive and scalable web applications.
- Collaborate closely with UI/UX designers to translate wireframes into high-quality code.
- Drive component-based architecture using modern Angular frameworks.
- Develop reusable, testable, and efficient frontend components using Angular (v2+), JavaScript/ES6, and HTML5/CSS3.
- Ensure seamless integration with APIs, services, and backend systems.
- Conduct thorough unit testing and support integration testing using tools like Jasmine, Karma, Cypress, or similar.
- Promote coding best practices, maintain code quality, and align with SOLID principles and modern design patterns.
- Participate in pair programming, Agile, and Extreme Programming (XP) practices.
🛠️ Must-Have Technical Skills :
- Expertise in Angular (latest versions) and core JavaScript/ES6
- Working knowledge of ReactJS (preferred)
- Strong understanding of HTML5, CSS3, and responsive design techniques
- Familiarity with design tools : Figma, Adobe XD, InVision, Sketch
- Performance optimization for web apps and knowledge of deployment to various web servers
- Testing frameworks : Jasmine, Karma, Cypress, or similar
🎯 Ideal Candidate Profile :
- Currently working as an Individual Contributor in a product-based company
- Proven expertise in leading frontend modules or small teams
- Ability to build user interfaces that are beautiful, functional, and intuitive
- Passionate about clean code and frontend craftsmanship
- Strong communicator and a natural collaborator
🧪 Interview Process :
- Round 1 : Technical pairing assessment
- Round 2 : Technical round with panel
- Round 3 : HR discussion

Certa (getcerta.com) is a Silicon Valley-based tech product start-up that is automating the vendor, supplier, and other stakeholder onboarding processes (think background checks, agreements, and the works) for companies across industries and geographies. With multiple Fortune 500 and Fortune 1000 clients, at Certa's tech team, you will be working on stuff that is changing the way huge companies do business.
Must Haves:
- Experience developing enterprise-grade quality software.
- 3+ years of experience building large-scale front-end applications using React.
- 3+ years of experience using type-safe JavaScript-based languages, such as TypeScript.
- Understanding of modern frontend ecosystems, including Bundling(preferably using vite), Linting, Testing and Releasing
- Success with mentoring mid-level & junior Engineers.
- Experience in Agile software development methodologies.
- Experience writing automated tests (e.g., Vitetest, Cypress, Jest, Testing Library).
- Experience in building, scaling & maintaining a design system from scratch.
- Experience in improving rendering as well as delivery performance for front-end applications.
- Experience in writing semantic HTML.
- Experience in building scalable, responsive, and cross-browser-compatible web applications.
- Experience in a peak-performance organization, preferably a tech startup.
- Experience working with a remote team.
- Data analysis experience, and understanding of how analytics can help with product decisions.
Bonus:
- Experience building integrations and data synchronizations with event pub/sub-models.
- Experience with WebGL
- Experience in building offline applications using Web Workers
- Open source contributions.
- Running his/her own blog.
- Experience with building 100% keyboard and screen reader-accessible applications.
- Experience setting up and customizing JavaScript tooling and building systems.




Job Description
As a React Native Developer at Marmeto, you will play a critical role in building high-performance, cross-platform mobile applications for iOS and Android. You will collaborate with UX/UI designers, backend engineers, and product stakeholders to deliver intuitive and scalable mobile experiences. This role demands a developer with a deep understanding of mobile architecture, native modules, and modern development best practices.
Skills:
- Minimum 4 years of hands-on experience with React Native for Android and iOS development.
- Strong proficiency in JavaScript, TypeScript, and ES6+ features.
- Solid understanding of React Native architecture, including Hooks, Redux/MobX, and Context API.
- Experience with native module integration (Android/iOS) and third-party libraries.
- Proficient in using React Navigation, AsyncStorage, and mobile design patterns.
- Familiarity with debugging tools like Flipper, Chrome DevTools, and React Native Debugger.
- Experience in publishing apps to the App Store and Google Play.
- Good understanding of mobile performance optimization and memory management.
- Proficiency with version control systems like Git.
Roles & Responsibilities:
- Design, develop, and maintain cross-platform mobile applications using React Native.
- Collaborate with UI/UX designers to implement pixel-perfect interfaces and interactions.
- Work closely with backend teams to integrate APIs (REST/GraphQL) seamlessly.
- Write clean, modular, and scalable code following best practices and design patterns.
- Troubleshoot, debug, and optimize mobile apps for maximum performance.
- Stay updated on emerging trends in mobile development and bring innovation into the team.
Requirements
Mandatory
- Should have built solutions/applications end-to-end, not just contributed as part of a larger team.
- Should envision continuing in a deep mobile development role 5+ years down the line.
- Strong command over JavaScript, TypeScript, and React Native internals.
- Experience working with Redux, React Hooks, and lifecycle methods in mobile contexts.
- Deep understanding of platform-specific limitations, capabilities, and mobile UI/UX standards.
Essential
- Proficiency with Git and collaborative workflows (e.g., branching, PRs).
- Familiarity with CI/CD for mobile.
- Understanding of offline storage, background sync, and performance monitoring.
Good to Have
- Knowledge of native development (Swift/Kotlin) to bridge native modules when needed.
- Exposure to tools like Figma, Sketch, or Zeplin for design collaboration.
- Experience with e-commerce platforms like Shopify, BigCommerce, or similar.

esponsibilities
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI 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
Key Skills
- Should have hands-on experience in advanced JavaScript libraries and frameworks, such as ReactJS, Bootstrap. (ReactJS is Mandatory)
- Proficient in web markup, including HTML5, CSS3
- Good understanding of server-side CSS pre-processing platforms, such as LESS and SASS and experience in building/using REST APIs
- Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
- Good understanding of asynchronous request handling and partial page updates.
- Good understanding of SEO principles and ensuring that the application will adhere to them.
Company Information
We are a technology company developing state-of-the-art products in the 3D technology space. We help our clients in the luxury retail space, enhance their online presence and ability to showcase their products to the end customer as life-like.
We are looking for a skilled react.js developer to join our development team. In this role, you will be responsible for developing and implementing 3D React.js concepts and technologies.
You should have working or implementation experience in Three.js JavaScript 3D Library
Job description
- Strong Understanding of Threejs Concepts
- Experience working with Threejs Immersive projects
- Render 3D objects using WebGL & Javascript API in all standard browsers.
- Strong knowledge of mobile web standards
- Proficient understanding of cross-browser compatibility issues and ways to work around them.
- This would be added advantage: experience in setting up Projects with Webpack and the various loaders and plugins.
Mandatory : Javascript 3D, Three.JS, Library
React.js Developer Requirements:
- Bachelors in computer science, information technology, or 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 would be beneficial
Education:
- Bachelor's (Preferred)

Excellent work experience in Javascript , HTML, CSS
Experience in Angular / ReactJS
Good Frontend Skils

for multiple enterprise application projects to solve complex business problems.
You will help develop new features or improvements in the existing workflow.
You will be responsible for writing modular, scalable, optimized and reusable code.
Ensuring technical feasibility and product requirement.
Analyze specifications and business needs to determine appropriate technologies and
configurations to meet those business requirements
Desired Skills:
Must have experience in React.js with proficiency in HTML5, CSS3, JavaScript
Have good knowledge of OOPs concept.
Extensive knowledge of web technologies and building large-scale web applications
Expertise with cross-browser platforms and design constraints on the web
Experience building responsive user interfaces that work seamlessly across mobile, tablet
and desktop web platform
Translate storyboards and use cases into functional applications
Must have experiences in any state management tools like Redux, Flux and Mobx
Sound knowledge of Front-end testing tools like Jest and Enzyme
Should have good knowledge of build tools like web pack
Should have exposure to different UI libraries like MaterialUI, ant
ROLE REQUIREMENTS
- Expertise level knowledge of HTML5 : Comprehensive knowledge of tags, HTML API (Geo, Storage, More APIs), Canvas APIs, META Tags and Semantic markup
- Expertise level knowledge of CSS3 : CSS Object Model, Selectors & Hierarchy, Layouts, Responsive Designs, Build Tools, SASS / SCSS & Flexbox
- Expertise level knowledge of ES6: Object-Oriented programming principles, DOM Selectors, Event Handlers, Jquery - Functions, Callbacks, Promises, Debugging tools & approach
- Experience in creating build scripts from scratch using Webpack & Gulp with relevant plugins to improve DevOps
- Ability to independently create technical design of an Epic utilising the knowledge of JavaScript design patterns and CSS best practices
- Experience in reviewing the technical design and implementation of other frontend team members
- Ability to Suggest better alternatives to existing solutions for improving the solution quality (both functional and non-functional problems)
- Ability to coach and line-manage senior frontend engineers, to help them grow their career
- Experience in Typescript and contemporary FE development frameworks like ReactJS, Angular & VueJS is preferred
QUALIFICATIONS & CHARACTERISTICS
- 8+ years of industry experience.
- Analytic and positive mindset with a personable and professional approach.
- Sharp attention to detail and a passion for new technology.
- Professional written and verbal communication.

As one of the first members of the frontend development team, you will be the sole owner of the entire front end development cycle for our consumer-facing web
products. Also, you will be responsible for shaping up the entire system for scale and
collaborating intensively with the backend and design teams to create the best consumer
experiences.
Responsibilities :
Develop all user-facing products preferably in React
Build reusable components and front-end libraries for future use
Translate designs and wireframes into high-quality code
Optimize components for maximum performance across a vast array of web-capable
devices and browsers
Focus on code maintainability and performance of the application.
Provide technical advice and assists in solving programming problems.
Enhance SEO, Analytics and overall frontend architecture for better performance
Requirements :
Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object
model
Good foundation in design and a knack for designing interactions and elegant interfaces
Good to have - understanding of React.js and its core principles
Good to have - experience with popular React.js workflows (such as Flux or Redux)
Experience with data structure libraries
Familiarity with RESTful APIs
Familiarity with modern front-end build pipelines and tools
A knack for benchmarking and optimization
Familiarity with code versioning tools (such as Git)
Proficient in industry-standard best practices such as Design Patterns, Coding Standards,
Coding modularity, Prototypes, etc.
Experience in using debugging tools used for profiling/optimizing performance
Experience in debugging, tuning and optimizing UI components
A minimum of two (2) years of relevant development or engineering experience.


