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.

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Position: Android Developer (1- 4 years)
Location: Marol, Andheri East, Mumbai
Company: Big Rattle Technologies Private Limited
Immediate Joiners only.
Summary
We are seeking an experienced and dedicated Android Developer to join our mobile team. You will be responsible for designing, developing, and maintaining high-performance, user-centric Android applications. You will be instrumental in driving the technical implementation of our mobile strategy, ensuring high code quality, and leveraging the latest Android development best practices. You must have delivered at least 3-4 projects.
Required Skills (more the better):
- Kotlin Mastery: Strong proficiency in the Kotlin programming language, including experience with functional programming concepts, null safety, and extension functions.
- Android SDK & IDE: Deep expertise with the Android SDK and Android Studio.
- Architecture Components: Proven experience with key Android Jetpack libraries: Lifecycle, ViewModel, LiveData/StateFlow, Navigation, and Room persistence library.
- Asynchronous Programming: Extensive practical experience with Kotlin Coroutines for efficient background processing.
- Version Control: Expert knowledge of Git for source control management.
- Testing: Experience with automated testing methodologies, including unit testing and UI testing.
- Experience on Android Architecture Components – MVVM Architecture
- Experience with integratingRESTful API
- Strong understanding of object-oriented programming
- Knowledge of Push Notifications & cloud-based messaging
- Understanding of security principles including secrets, encryption, etc
- Bonus Skills (Preferred): Experience with Jetpack Compose, Dependency Injection frameworks (e.g., Hilt/Dagger), and cloud service integration (e.g., Firebase), Local DB e.g., Room, Realm, etc
Responsibilities will include:
- Design & Development: Lead the design and development of advanced, feature-rich applications
- Quality & Performance: Write robust, well-tested code, conduct rigorous unit and integration testing (using JUnit and Espresso/Compose Testing), and continuously optimize app performance, stability, and responsiveness.
- Collaboration: Participate actively in code reviews, technical design discussions, and work closely with Product Managers, UX/UI Designers, and QA teams in an Agile environment.
- Ensure the application is secure and free of vulnerabilities
- Evaluate third party IDEs and tools to build relevant applications.
- Conduct code reviews & peer reviews.
- Establish coding standards.
- Integrate user interface with code.
- Prepare necessary documentation.
- Review updates/patches and make necessary code updates.
- Develop apps for different versions of Android and ensure compatibility with different screen sizes
- Maintenance & Deployment: Manage application releases, debugging, and deployment to the Google Play Store, and maintain the build system using Gradle.
Required Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.
Why should you join Big Rattle?
Big Rattle Technologies specializes in AI/ ML Products and Solutions as well as Mobile and Web Application Development. Our clients include Fortune 500 companies. Over the past 13 years, we have delivered multiple projects for international and Indian clients from various industries like FMCG, Banking and Finance, Automobiles, Ecommerce, etc. We also specialise in Product Development for our clients.
Big Rattle Technologies Private Limited is ISO 27001:2022 certified and CyberGRX certified.
What We Offer:
- Opportunity to work on diverse projects for Fortune 500 clients.
- Competitive salary and performance-based growth.
- Dynamic, collaborative, and growth-oriented work environment.
- Direct impact on product quality and client satisfaction.
- 5-day hybrid work week.
- Certification reimbursement.
- Healthcare coverage.
How to Apply:
Interested candidates are invited to submit their resume detailing their experience. Please detail out your work experience and the kind of projects you have worked on. Ensure you highlight your contributions and accomplishments to the projects.
Classplus is India's largest B2B ed-tech start-up, enabling 1 Lac+ educators and content creators to create their digital identity with their own branded apps. Starting in 2018, we have grown more than 10x in the last year, into India's fastest-growing video learning platform.
Over the years, marquee investors like Tiger Global, Surge, GSV Ventures, Blume, Falcon, Capital, RTP Global, and Chimera Ventures have supported our vision. Thanks to our awesome and dedicated team, we achieved a major milestone in March this year when we
secured a “Series-D” funding.
Now as we go global, we are super excited to have new folks on board who can take the rocketship higher🚀.
Do you think you have what it takes to help us achieve this? Find Out Below!
What will you do?
You will be our go-to person when it comes to ensuring that Classplus’ digital architecture functions smoothly. Though not a traditional customer-facing role, your work will be reflective of our brand quality as a whole.
With so much riding on your shoulders, we’ll need you to: -
• Guide the team in the implementation of visual elements from computer users' vantage points within a web application and translation of UI/UX design wireframes to actual code
• Design and implement low-latency, highly available and performing applications that scale for millions of users, and assure that all user input is validated before submitting to the back-end
• Develop application code and unit test in the Javascript technologies for the application development center
• Work with Test-Driven development, help define architectures and design patterns, and actively participate in PR reviews on GitHub
You should apply, if you
• Bring your A-game: Have knowledge of advanced JavaScript libraries and frameworks, such as ReactJS, NextJS, VueJS, and experience with rendering techniques and writing high performing code
• Offer guaranteed efficiency: Have a good understanding of SEO principles and ensuring that application will adhere to them, and server-side CSS pre-processing platforms, such as LESS and SASS
• Show promising experience: Have a good understanding and exposure to serverside rendering, and asynchronous request handling, partial page updates, and AJAX
• Show proficiency: Display in-depth understanding of code versioning tools, such as (Git / Mercurial / SVN), and cross-browser compatibility issues and ways to work around them
Being a Part of the Clan!
At Classplus, you’re not an “employee” but a part of our “Clan”. So, you can forget about being bound by the clock as long as you’re crushing it workwise😎. Add to that some passionate people working with and around you, and what you get is the perfect work vibe you’ve been looking for!
It doesn’t matter how long your journey has been or your position in the hierarchy (we don’t do Sirs and Ma’ams); you’ll be heard, appreciated, and rewarded. One can say, we have a special place in our hearts for the Doers! ✊🏼❤️
Are you a go-getter with the chops to nail what you do? Then this is the place for you
● Experience in NextJs, ReactJS, Redux, and component-based design
● Experience in HTML5/CSS3, SASS or LESS
● Experience in Mobile web Specific Technologies Like PWA, Service Workers.
● Experience in Any Unit testing and Flow testing using Jasmine/Karma, Jest Framework
● Experience in Functional Testing using Cypress or any other frameworks
● Knowledge of front-end build tools and frameworks. Webpack and Babel.
● Experience in TDD (test-driven development)]
● Experience of developing and consuming RESTful web services Proficient understanding of
Work Location: Hyderabad
J.D:
- Minimum 3+ years of professional experience in Angular 2+ and above, React JS and scripting Language.
- Excellence in modern JavaScript, HTML5 and design patterns.
- Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, React testing library, server side rendering, and Type script.
- Validating user input on the client side and implementing meaningful feedback.
- Skill in designing a modern build process that integrates testing and continuous delivery.
- Hands-on experience with creating configuration, build, and test scripts for continuous integration environments.
1. Core Java.
2. Thorough understanding of React.js and its core principles.
3. Strong proficiency in JavaScript, JQUERY, including DOM manipulation and the JavaScript
object model.
4. Experience with popular React.js workflows (such as Flux or Redux).
5. Knowledge of modern authorization mechanisms, such as JSON Web Token, SSO
authentication.
6. Familiarity with RESTful APIs.
7. Familiar with Linux
8. Experience with common front-end development tools such as Babel, Webpack, NPM, etc.
9. Familiarity with Spring Boot, Hibernate (JPA)
10. Oracle or any other DB experience
11. Any J2EE server or Tomcat container experience required
SaveIN is a fintech platform that aims to offer unique financial products and services to its members in a never seen before, fully digital avatar through its mobile app on Google and Apple play store. You can also call us a neo-banking platform!
Founded by a group of experienced CXOs from Banking, Fintech, Consulting and Media, SaveIN is working towards disrupting the way Indians transact, bank and save money.
At present, SaveIN is offering a revolutionary, new to market, product called Social Finance (SoFin™) allowing users to lend and borrow money, within their trusted contacts like family, friends and acquaintance. In due course, SaveIN aims to launch several other financial products and services in the personal finance and banking domain.
Our promise to you:
- We aim to hire the best of talent, passionate about the vision of SaveIN
- We aim to create an equal opportunity, open, challenging as well as rewarding environment to bring the best out of our people
- We are here to be a large, prosperous, profitable, and resilient organization so that we may serve our customers sustainably across economic cycles, we aim to achieve this in the most ethical and transparent manner possible
- Being compliant is not only an obligation, but a chosen way of life
- We would love to see you grow and are committed to do our best in contributing towards your success
About the role:
SaveIN is looking for a Software Engineer | React JS
You will be responsible for building visually engaging user experiences as well as using out of the box thinking to devise new techniques for presenting content and data. You will work with developers, designers, product and also the founding team.
Location: Gurgaon/ Work from home
Key responsibilities:
- Develop class leading and highly responsive front-end interfaces using React.js
- Translating designs and wireframes into high quality code and output
- Communicate effectively with UI/UX team and technical development team
- Create unit tests to ensure visual consistency and adequate functionality across releases
- Ensure cross-browser, cross-platform and multiple device compatibility and resolve issues.
- Document technical design as per internal compliance standards
- Work with senior management and external stakeholders to ensure that deliverables are met
Skills and competencies:
- Education: BE/BTech/ME/MTech/MCA
- Minimum 3-year industry experience and proficiency in developing front-end components using React JS, Angular.io, Vue.js, HTML 5, Web markup and CSS 3
- Experience in Typescript
- Hands on experience with state management tools like Redux/Mobx
- Fine understanding of Node.js based tooling like Webpack, Grunt/Gulp, NPM, Express JS, Babel, Create React App etc.
- Good knowledge of working with dynamic data (e.g., JSON, XML) through various interface types (e.g., REST, SOAP)
- Experience of working with responsive web designs across multiple platforms
- Experience with integrating Analytics Tool like Google Analytics, Mix Panel etc
- Experience in creating mock-ups/ proof-of-concepts based on wireframes
- Ability to learn new UI technologies quickly
- Understanding of SEO and accessibility issues
- Experience of full software development life cycle, standard and secure coding practices and pro
- Experience with content delivery networks and an understanding of web caching
- Experience with unit testing using frameworks such as Mocha, Chai, Enzyme, Cypress, or Jest
- Experience with Jenkins and Docker a plus
- Experience on any backend technologies Node.JS, Python, Java, PHP will be a good add on
- Experience in Scrum/Agile is desirable
We are looking for a React.js Developer to join our team! If you are interested in creating the best user experience and UI, you will love this job!
- Plan, develop and implement user interface strategy
- Work with designers and developers to develop modern, intuitive user interfaces for our web properties
- Work on design, look, and feel of our web properties
- Continuously improve the user experience
- Research user preferences
- Research new technologies and best practices
- Work in a team environment with shared code; disciplined use of source code control and process documentation
- Improve JS and CSS quality by conducting code analysis, and recommending changes in policies and procedures
- 1+ year of experience with ReactJS, Next.js
- 1+ years of experience with SASS/LESS
- 1+ years of experience with TypeScript
- 1 years of experience with node
- 1 years of experience with HTML
- 1 years of experience with CSS
- 1 years of experience with DOM
- 1 years of experience with AJAX, AXIOS, etc
- Critical thinker and problem-solving skills
- Team player
- Good time-management skills
- Great interpersonal and communication skills
- Degree in Computer Science
Key Skills
Typescript, React, React.js, Javascript, Node
KeepTruckin is on a mission to modernize the trucking industry. With the leading fleet management platform, we are bringing trucks online and fundamentally changing the way freight is moved on our roads.We see our hard work rewarded in tangible ways every day and we believe that intelligence is most powerful when paired with humility. We're motivated by the opportunity to impact and improve every facet of a trillion-dollar industry that touches everyone's lives. KeepTruckin is proud to be a Forbes Cloud 100 company, a 2020 Career-Launching Company by Wealthfront and named a Forbes Best Startup Employer 2020.
About the Role:
As a Senior Frontend Engineer, you will play an integral part in designing components and platforms for new services within KeepTruckin's Freight product line. You will implement complex features using modern frameworks and work on a fast-growing team eager to make a significant impact by connecting the world's trucks.We are looking for senior engineers who are driven by impacting and revolutionizing a space where the last major technical innovation was the invention of the diesel engine. We are seeking team players who have strong problem solving skills, and thrive on innovation and continuous improvement. We pride ourselves on our culture and the ability to work effectively across a highly diversified team.
What You'll Do:
Work alongside product and other cross-functional counterparts including designers, back end, and QA on features that power freight productsCreate the best possible user experience in our web applications, and come up with creative, outside-the-box solutions for complex problemsWrite modular and maintainable front-end code, and actively participate in writing unit tests, improving quality, and performing code reviewsParticipate in full SDLC process in a CI/CD centered development, and actively work on our AWS cloud infrastructureResearch new technology and design patterns in collaboration with fellow engineers; propose changes that bring both short term and long term benefits
What We're Looking For:
BTech/MTech in Computer Science or related fields and 5+ years of experience building front-end software that is shipped in productionExperience with modern front-end frameworks, patterns, and browser technologies, and experience building single-page frontend applicationsExpert in HTML, CSS, JavaScript, and other display-centric web technologies, and in at least one modern JS framework (ReactJS, AngularJS, VueJS, etc)Proficient knowledge of asynchronous request handlingExperience working with REST APIs, GraphQL, -or- similar APIs, and experience with automated testing, Agile/Scrum, and SaaS, as well as B2B Enterprise applications and AWS infrastructureCreating a diverse and inclusive workplace is one of KeepTruckin's core values.
We are an equal opportunity employer and welcome people of different backgrounds, experiences, abilities and perspectives.Please review our Candidate Privacy Notice here. ( https://drive.google.com/file/d/1Xs7GivrHCj05XC6-mn6MsRGG3V5AcgZ5/view?usp=sharing )
Job Description:
- We are looking for a seasoned front-end developer to join our product team. This role requires you to be a tech-savvy contributor in translating the customer needs and user expectation into interactive web apps. You’ll be an exceptional problem solver and take responsible actions in ensuring the application is optimized both in technology and in delivering the best user experience. You’ll be working on various projects in collaboration with different teams.
Responsibilities:
- Work closely with design, product management, and development teams to create elegant, usable, responsive and interactive interfaces across multiple devices.
- Turning UI/UX designs into prototypes, creating excellent interactions from designs, writing reusable content modules and maintainability of the code.
- Implement UI development principles to ensure that the product client-side serves at scale.
- Review and optimize the app usage by monitoring key metrics and rectifying the issues proactively.
- An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
- Responsible for the development of a complete set of architectural views for an enterprise in accordance with numerous open-source technologies, messaging/web service protocols (REST, JSONRPC, SOAP, etc.) and one of the more common architecture frameworks.
- Understanding and presenting the immediate/tactical and strategic benefits of adopting a consistent architectural approach within the context of the client’s business to help the stakeholders justify investments.
- Assessing the requirements and presenting architectural recommendations that are in line with the strategic vision for the enterprise and wider best practice.
Requirements:
- 5 to 7 years of relevant work experience as a UI developer, JavaScript expert or front-end engineer
- Sound knowledge in HTML and CSS
- Familiar with UI layouts, SASS, Bootstrap, and the CSS GRID system
- Proficient with JavaScript frameworks such as jQuery, Angular 2+ and Ionic framework
- Experience debugging using JavaScript-based tools like Chrome Developer Console
- Passionate to create good design and usability
- Knowledge of Pixi js (is plus)
- Strong business analysis skills and experience, including development of business vision and strategies, functional decomposition, requirements capture, process modeling.
- Strong knowledge of design and architectural patterns.
- Experience of software development methodologies and structured approaches to system development.
- Write high quality source code to program complete applications within deadlines
Person Specification:
- Should have strong communication and interpersonal skill
- Bright and enthusiastic, self starter
- Excellent analytical and problem-solving skills
- Outstanding presentation skills
- Implemented CI and Automated frameworks in Enterprise environment
- Past experience in CI/CD/DevOps practices
- Qualified in any technical skill assessment platform (Eg: Hacker Ranker, member, stars) in respective technical capabilities








