Frontend Developer

Job Title: Senior React.js Developer

Experience: 5+ Years

Location: Pune

Employment Type: Full-Time

Job Summary:

We are looking for a skilled React.js Developer with 5+ years of experience to join our team. You’ll build scalable, high-performance web and mobile applications, work closely with designers and backend developers, and ensure responsive and user-friendly UI/UX across platforms.

Key Responsibilities:

• Develop dynamic, reusable components using React.js, JavaScript, HTML5, and CSS3
• Integrate wireframes and UI/UX designs into functional front-end interfaces
• Ensure cross-browser/platform compatibility and responsive design
• Optimize apps for speed and scalability
• Implement and maintain unit and E2E tests (Jest, Playwright, Puppeteer)
• Integrate with RESTful APIs and backend services
• Maintain code quality and performance standards
• Collaborate with designers, product managers, and backend engineers
• Mentor junior developers and contribute to best practices

Required Skills:

• 5+ years in front-end/UI development
• Strong in React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with Redux, SASS/LESS, REST APIs
• Familiarity with performance optimization tools
• Solid understanding of UI/UX design principles
• Excellent communication and team collaboration skills
• Bachelor’s degree in Computer Science or related field

Job Summary

We are seeking an experienced React Native Developer with hands-on expertise in developing and optimizing tvOS applications. The ideal candidate will have strong technical skills in React Native, a deep understanding of mobile app architecture, and prior experience with tvOS and focus navigation on Apple TV.

Key Responsibilities

• Develop and maintain React Native applications for iOS and Android platforms.
• Leverage native APIs for deep integrations across both platforms.
• Diagnose and fix bugs and performance bottlenecks for a native-like experience.
• Engage with the open-source community to encourage and contribute to key software fixes and improvements.
• Write and maintain clean, well-documented, and testable code.
• Create and execute automated tests to ensure product quality.
• Transition existing React web applications to React Native.
• Implement pixel-perfect UI designs and smooth animations for enhanced user experience.
• Integrate third-party APIs and SDKs.
• Ensure consistent UX across Android, iOS, and tvOS platforms.
• Release and manage applications on the Apple App Store and Google Play Store.
• Write performant applications optimized for low-end devices.
• Utilize debugging and development tools such as React DevTools and Charles Proxy.

Required Skills & Qualifications

• 5+ years of experience developing React Native applications.
• Strong proficiency in JavaScript, TypeScript, or ClojureScript (ES6+ syntax).
• Solid understanding of object-oriented programming principles.
• Ability to write clean, maintainable, and well-documented code.
• Expertise in managing third-party dependencies and resolving dependency conflicts.
• Experience with native build tools such as Xcode and Gradle.
• Good understanding of REST APIs, document request models, and offline storage mechanisms.
• Familiarity with automated testing suites and CI/CD pipelines.
• Strong skills in architecting and building React Native applications with clean architecture.
• Experience maintaining UX consistency across multiple platforms.

Preferred / Nice-to-Have Skills

• Experience with react-native-tvos and focus-navigation for Apple TV / tvOS.
• Knowledge of AVPlayer (iOS) and ExoPlayer (Android).

Hi All,

Greetings from LMV Group

We are hiring for a Frontend developer position.

Experience required - 1.5 to 6 years

Skill set required - React js, Html, Material UI, CSS, JavaScript

Location - somajjiguda, Hyderabad

• 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

• 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 and knowledge of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as Git
• Good understanding of SEO principles and ensuring that application will adhere to them

Skills

• Have published at least one original React JS Application.
• Experience with third-party libraries and APIs
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.

Roles 

Should be able to single-handedly build performant mobile apps on the React JS platform. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Responsibilities 

• Build pixel-perfect, buttery smooth UIs across web platforms.
• Leverage APIs for deep integrations with web platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Writing application interface codes using JavaScript following react.js workflows.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.

Job Responsibilities:

• Collaboratively work with UX team, product managers, back-end engineers and other technical teams to create new, delightful and scalable UI
• Mentor junior members through training and individual support
• Responsible for all front end development on a project
• Ensure the technical feasibility of UI/UX designs
• Optimize application for maximum speed and scalability
• Identify and troubleshoot UX problems (e.g. responsiveness)
• Conduct layout adjustments based on user feedback
• Adhere to style standards on fonts, colors and images
• Optimize existing user interface designs
• Proactively learn and accordingly apply new technologies, best design practices and usability patterns

The ideal candidate must - 

• 5+ years of experience working with React or React-based frameworks
• Proficiency with browser-based debugging and performance testing
• Proficiency in Git and version control
• Considerable experience with a testing framework (Jest/Mocha)
• Familiarity with RESTful APIs and GraphQL
• Knowledge of modern authorization mechanisms, such as JWT Tokens
• Good understanding of common front-end development tools such as Babel, Webpack, NPM, Yarn etc
• Hands-on experience with CSS-in-JS libraries
• Proficient understanding of cross-browser compatibility issues and ways to work around them
• Keen to learn, mentor and willingness to take ownership of work items
• Possess strong communication and self-accountability

About Company: Spica Systems (https://spicasys.com )

Spica Systems is a Silicon Valley based start-up, established in 2019 and are recognized as experts in building products and providing R& DandSoftware Development services in wide range of leading-edge technologies such as LTE, 5G, Cloud Services (Public -AWS, AZURE, GCP, Private -Openstack) and Kubernetes. Ithasa highly scalable and secured 5G Packet Core Network, orchestrated by ML powered Kubernetes platform, which can be deployed in various multi cloud modealong with a test tool. Headquartered in San Jose, California, we have our R& D centre in Sector V, Salt Lake Kolkata.

• Looking for a Software developer who will work on the product's Web UI side
• Hands on and working experience with React JS
• Experience in WebUI using Javascript technology.
• Experience: 2-4 years of React development in a team environment
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of REACT tools including React.js, Webpack, Redux.
• Experience with user interface design. Knowledge of performance testing frameworks including Mocha and Jest.
• Experience with browser-based debugging and performance testing software.

Education: Bachelors/Masters in Computer Science, IT or Mathematics or Engineering

Traits: Quick learner, open minded, willing to learn