
Job Title: Senior Software Engineer – Frontend
About the Role
We are looking for a highly skilled Senior Frontend Engineer to join our fast-growing product engineering team. As a senior contributor, you will play a key role in designing, building, and scaling modern, intuitive, and performant web applications that delight our users. You will collaborate closely with product managers, designers, and backend engineers to bring ideas to life—while mentoring junior engineers and driving best practices across the frontend discipline.
Key Responsibilities
- Build & Deliver: Design, develop, and maintain high-quality, scalable, and responsive web applications using React.js and modern JavaScript/TypeScript.
- Own the Frontend: Drive architecture decisions, contribute to reusable component libraries, and ensure the frontend stack remains cutting-edge.
- Collaborate: Work with cross-functional teams (Product, Design, Backend) to translate business needs into elegant technical solutions.
- Performance & UX: Optimize applications for maximum speed, responsiveness, accessibility, and seamless user experience.
- Best Practices: Champion code quality through code reviews, automated testing, CI/CD pipelines, and documentation.
- Mentorship: Provide technical guidance, support, and mentorship to junior and mid-level engineers.
- Innovation: Stay current with frontend technologies, tools, and frameworks, continuously improving how we build software.
What We’re Looking For
- Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
- 5–8 years of professional experience in frontend or full-stack software development.
- Deep expertise in React.js, JavaScript (ES6+), and modern frontend ecosystems (Webpack, Babel, NPM/Yarn, etc.).
- Solid understanding of data structures, algorithms, and software design patterns.
- Strong experience with unit testing, debugging, and performance profiling.
- Familiarity with RESTful APIs, and micro-frontend architectures is a plus.
- Experience working in Agile/Scrum environments.
- Excellent problem-solving skills, with strong attention to detail and a focus on delivering value.
- Strong communication and collaboration skills, with a passion for teamwork.
Why Join Us
- Opportunity to own impactful projects end-to-end, from ideation to deployment.
- A culture that values technical excellence, continuous learning, and innovation.
- Work alongside talented engineers and thought leaders in a fast-paced, growth-oriented environment.
- Competitive compensation, flexible work options, and comprehensive benefits.

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Hi,
Please refer to the below Job description and revert with you updated resume –
About Client: Digital accelerator to Startups, SMEs, MSMEs, and large enterprises with a significant contribution across 22+ industries including BFSI, Healthcare, Ecommerce & Retail, Education & eLearning, Insurance, Tech Startups, Government & Semi-Government, and more. Backed with an impressive experience of 25+ years and a fast-growing family of 4000+ engineering professionals our capabilities span across IT Consulting, Strategy Planning & Execution, Business Process Re-engineering, IT Modernization, and Business Analysis Consulting, our solutions are devised meticulously to address the needs of specific industries.
We are a CMMI Level 5 organization global IT Solution provider and Outsourcing company headquartered in Mumbai and footprints with 10 delivery centres in India and 15 global offices. Our success portfolio boasts of 7500+ projects accomplished across 1500+ clients in 50+ countries with client retention rate as high as 85%
Location: Navi Mumbai, CBD Belapur
Domain: Banking (Payment Gateway Project)
NOTE: 1st and 3rd Saturdays working as per banking norms
Education: B.E. or Graduation in Computer Science or related field
job Summary:
We are seeking a talented and motivated React.js Developer to join our development team. The ideal candidate will be responsible for designing and developing user interface components using React.js concepts and workflows such as Redux, Flux, and Webpack. 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, including back-end services and APIs. Therefore, a commitment to collaborative problem-solving, sophisticated design, and quality products is essential.
Key Responsibilities:
Develop new user-facing features using React.js.
Build reusable components and front-end libraries for future use.
Optimize components for maximum performance across a vast array of web-capable devices and browsers.
Translate designs and wireframes into high-quality code.
Write clean, scalable, and maintainable JavaScript code.
Ensure the technical feasibility of UI/UX designs.
Collaborate with back-end developers and web designers to improve usability.
Debugging, troubleshooting, and enhancing application performance.
Stay updated with emerging trends and technologies in front-end development.
Skills and Qualifications:
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 RESTful APIs and integrating them into front-end code.
Knowledge of modern authorization mechanisms, such as JSON Web Token (JWT).
Familiarity with modern front-end build pipelines and tools (e.g., Babel, Webpack, NPM, etc.).
Experience with code versioning tools such as Git.
Familiarity with browser developer tools and debugging.
Understanding of cross-browser compatibility issues and ways to work around them.
Familiarity with unit testing and testing frameworks (e.g., Jest, Enzyme, Cypress).
Ability to understand business requirements and translate them into technical requirements.
Preferred Qualifications:
Bachelor's degree in Computer Science, Software Engineering, or a related field.
Experience with TypeScript and GraphQL.
Experience with other JavaScript frameworks like Next.js or Gatsby.js.
Familiarity with CI/CD pipelines and containerized applications (e.g., Docker).
Good understanding of SEO principles and ensuring that application adheres to them.
Soft Skills:
Strong problem-solving skills and attention to detail.
Excellent communication and teamwork abilities.
Ability to work in a fast-paced environment and meet deadlines.
Open to learning new technologies and frameworks.
React.js, Java Script, Redux, React,React.js,Angular,Frontend Developer, UI Developer, Full Stack Developer
- Develop Websites in React JS
- Use the best architecture suited for the project
- Familiar with state management
- Integrate API & SDKs
- Covert design to code
- Knowledge of typescript is a plus
- Write clean, structured code
- Should have good experience in Redux / Next
Responsibilities:
- Build next-generation web applications which are efficient, reusable front-end abstractions and systems.
- Work closely with designers to implement versatile front-end solutions while embracing emerging standards and pushing the limits of what a browser can do.
- Actively participate in design and code reviews to build robust applications and prototypes.
Requirements:
- A deep expertise in Javascript.
- Looking for people with Mean STACK experience that includes: Node JS, Mongo DB, Angular JS, Bootstrap, Express, React JS.
- The above needs to be coupled with Javascript, HTML, CSS.
- Constantly and consistently implementing new features and optimise existing ones from controller- level to UI.
- Vigilantly and rapidly fix bugs.
- Continuously solving problems to give our customers a delightful shopping experience.
- Work closely with Team Lead, UX designers and back-end engineers to implement front end solutions.
- Endorsing upcoming standards, launching, iterating and making a difference.
- Passionate about implementing elegant User Interfaces using HTML and CSS.
- Ability to write well-abstracted, reusable, highly performant code for UI components.
• Technical end-to-end design for stories by collaborating with business analyst/product owner, technical architect and clients
• Implement stories end-to-end, which includes Frontend, Backends for Frontend (BFF), Caching and also service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional requirements like performance, scalability, security or cloud readiness (as applicable) at the story level
• Automates testing at unit, module and integration level as needed using tools relevant for the platform (e.g. Jasmine, Jest, Karma, Webdriver.io etc.)
• Focus on quality by implementing best practices like logging, calling out technical debt, meeting KPIs using code quality tools like SonarQube, ESLint (customize and sync with Sonar), Stylelint/Sasslint and so on.
• Hands-on with automating redundant work, like common component structure, both in terms of scaffolding as well as using the right design patterns / creating abstractions.
• Mentor junior engineers in helping review code, guiding on technical decision making
Key Requirements:
• 4-9 years’ experience
• Hands-on knowledge of HTML5, CSS3, JavaScript
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015+. You should be up-to-date with new specifications (different stages), and also, using transpilers like Babel to use features from all stages
• Good understanding of creational and structural design patterns in JavaScript
• Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of React.js, its core principles - lifecycle methods, virtual DOM etc. and at least 6 – 12 months hands-on experience with the same
• Understanding of one-way data flow and the Flux architecture.
• Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components
• Core understanding of how React’s state management works out of the box.
• Understanding of different CSS architectures that go hand-in-hand with React.js application development. Pros and cons of component-level CSS vs global and where to apply each
• Thorough understanding of Webpack bundler (version 2+).
• Good understanding of the Web Components standard.
• Hands-on experience with building Progressive Web Apps (PWAs) on any framework.
• Hands-on experience with Frontend Performance Optimization – especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser.
• Hands-on experience with test-driven development using Jest or equivalent. Familiar with snapshot testing, code coverage. Experience working with utilities like Enzyme
• Experience using fluid grids, and building responsive/adaptive websites using Bootstrap etc.
• Understanding of SEO and accessibility and making it part of the development workflow
• Moderate to Strong graphics manipulation/optimization skills using Photoshop is a plus.
Key Responsibilities
- Design and Build complicated Workflow
- Understanding the user persona and deliver slick experience
- Experience in JavaScript (ReactJS / Redux) React Native, HTML, CSS, JQuery, HTTP
- Strong understating of XML, JSON, DOM, and w3c standards
- Providing technical expertise for every phase of the project lifecycle; from concept development to solution design, implementation, optimization and support
- Be an Interface with Stockholder sand architects to create technology specifications from business requirements for one or more modules within the project
- Responsible to prepare the technical design of the components within the module (one or more of client/web presentation tier, server tier, data access and data model, integration component, package function customization)
- Proficient in articulating the pros and cons of using a certain technology stack or component or design pattern versus another to the clients and project team and drives selection of technologies, designs to come up with the optimal architecture
- Drives the performance tuning, re-design and re-factoring for a module
- Contributes to designing and implementing the build, release process as well as system configuration and deployment characteristics of the application
- Implements (hands-on) the module components based on prevailing Framework and Open-source standards & its best practices.
- Mentors the team (people working on the module and other project team members) on technology concepts and best practices for design, implementation and other processes
Job Brief
The job requires Sr Frontend Developer. This Developer is expected to have strong technical skills, work closely with the other team members in development and ability to work stand alone. Ability to work on a small team with minimal supervision, Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
Skills Requirement
- Bachelor’s degree in Computer Science or related field plus 3-5 Years of frontend relevant experience
- Familiarity with architecture styles/APIs (REST, RPC)
- Understanding of Agile methodologies
- Strong attention to detail
- Proficiency in HTML, CSS and Bootstrap
- Understanding of server-side CSS
- Strong knowledge of frontend scripting languages like JavaScript, jQuery, React js or Angular etc.
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of cross-browser compatibility issues and ways to work around them
- Familiarity with browser testing and debugging
- Experience with responsive and adaptive design
- Experience with GitHub, Tortoise SVN Version Control
- Understanding of key design principles
- Strong attention to detail
- Knack for writing clean, readable, and easily maintainable code
- Sound analytical, problem-solving, and communication skills.
Responsibilities
- Translate application storyboards and use cases into functional applications
- Design, build and maintain efficient, reusable, and reliable code
- Ensure the best possible performance, quality, and responsiveness of applications
- Identify bottlenecks and bugs, and devise solutions to mitigate and address these issues
- Help maintain code quality, organization, and automatization
- Collaborating with coworkers to facilitate the creation of large, complex developments, as required.
- Reformulating existing code to ensure adherence to stipulated guidelines.
- Checking your code to detect and remedy errors and omissions.
- Testing your outputs to ensure that they are in excellent working order.
- Deploying developments and monitoring uptake by the target audience.
- Using clients' feedback to inform the creation of subsequent versions of each development.
- Remaining abreast of coding and technological changes that will impact your work.
- Knowing and working on what specific framework problems need to be solved, what new problems they give rise to, and the architectures that work at scale.
- Coordinating with the design and back-end teams
- Taking risks, and learning quickly from your mistakes.
- Brainstorming between various approaches, doing small experiments to test the hypotheses
- Aligning the team to follow a particular approach, being thorough in your research.
- Collaborating well with others, knowing that better solutions come from working together.
What you need to have:
- Bachelor's degree in Computer Science (or related field)
- A passion for system design problems, exposure to various tech frameworks
- Experience with React Js, React Native, JavaScript including DOM Manipulation, and JavaScript object model.
- Should have a crystal understanding of App architecture and how React Native interacts with the native layers for iOS and Android respectively
- Familiarity in using Hooks for functional components with state, PureComponents.
- Hands-on experience in using State Management Libraries (Mainly Redux).
- Understanding React Native internals, memory profiling, and performance improvements of the application.
- Experience with building projects in Gradle (Android Studio) or xCode with iOS.
- Create Energy - Insatiably curious.
- Experience in Agile/ SCRUM methodology and modern tools like Jira, Slack, GitHub, etc
Location: Bangalore
Hello! We are looking for the right Frontend Developer.
What you will work on Your primary focus will be to implement a complete user interface in the form of a responsive web app, with a focus on performance. Your main duties will include creating modules and components and coupling them together into a functional app. A thorough understanding of all the components of our platform and infrastructure is required as you will be working closely with the back-end team to decide REST contracts.
Responsibilties
• Assess the technical feasibility of UI/UX designs
• Develop new user-facing features
• Build reusable code and libraries for future use
• Optimize application for maximum speed and scalability
• Assure that all edge cases are handled
• Collaborate with other team members and stakeholder
What can CasaOne promise you – An opportunity to - increase your rate of learning exponentially by defining hard problems and solving them - partake in a high-growth journey and increase revenues 5x+ Y-o-Y - be an early innovator in the shifting trend: ‘ownership economy’ -> ‘access economy’ - build a category-defining platform for FF&E (Furniture, Fixture, and Equipment) leasing - build high-performance teams
The must-haves
• Good understanding of single-page web applications and Javascript libraries and frameworks, such as ReactJS, AngularJS, and jQuery.
• Good understanding of asynchronous request handling, partial page updates, and AJAX.
• Proficient understanding of web markup, including HTML5, CSS3.
• Basic understanding of CSS pre-processing platforms, such as LESS and SASS.
• Good understanding of responsive web development.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Basic understanding of SEO








