What you will be Doing
- Design and build applications for the Android platform
- Ensure the performance, quality, and responsiveness of applications
- Collaborate with a team to define, design, and ship new features
- Identify and correct bottlenecks and fix bugs
- Help maintain code quality, organization, and automatization
What you need
- Expertise with Java, XML, and Material Design
- Experience with offline storage, threading, and performance tuning
- Familiarity with RESTful APIs to connect Android applications to back-end services
- Experience with Firebase is a plus (FCM, analytics) - Understanding of Android’s design principles and interface guidelines
- Strong communication skills, get-things-done attitude, and empathy
- Strong sense of ownership, drive and obsessive attention to detail. - Comfortable with iterative development practices and code reviews
- Previous experience as part of a product-oriented team is a plus
Why you should consider this role seriously?
- We have an audacious vision of helping companies fight counterfeiting and managing their supply
chain more efficiently
- We have built a product and solved problems for some of the largest brands in the country and
tested platform at scale (With our tags present in over 50 Million products already). We have plans to
grow 10x in the next 1 year
- Ownership of key problems. Fast-paced environment
- We are a well-balanced team of experienced entrepreneurs and are backed by top investors across
India and the Silicon Valley (Venture Highway, Startup Buddy etc.) - Competitive market salary
- Opportunity to work directly with the CEO, COO, CTO of the company
- A chance to interact with top-notch executives from multiple industries
- Open vacation policy (and we really mean it!) - Open Pantry
- As a team, we love to travel :). An off-site every quarter

About O4S
About
Connect with the team
Similar jobs
•Should know about OOPS Concept, Core java, and basic Android
•Able to Design, Develop, Test & Implement an Android Application
•Basic knowledge of Javascript, Jquery gets a chance to work on React Native.
•Understanding of Linux/Ubuntu, Web servers, Cross Browser compatibility.
•Strong knowledge of UI development.
•Knowledge of 3rd party APIs implementation, while iOS & Android app development is good.
We are looking for a Senior iOS Developer, who should be able to
- Strong knowledge on iPad, iPhone And Mobile compatibility developments.
- Solid understanding of iOS application architecture patterns (e.g., MVC, MVVM).
- Proficient in working with RESTful APIs and integrating third-party libraries.
- Strong knowledge of software engineering principles, design patterns, and best practices.
- Familiarity with agile development methodologies.
- Excellent problem-solving and analytical skills.
- Ability to work independently.
- Strong communication and interpersonal skills.
What does the core role include?
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
- Designing stateless components in React Native
- Contributing in all phases of the development lifecycle
- Working with the developers to create and maintain a robust framework to support the apps
- Working with the developers to build the interface with a focus on usability features
What else can you expect in the role?
- Prepare and produce releases of software components
- Optimizing performance for the apps
- Problem-solving skills, analytical mind, and positive attitude
- Ability to think from end users perspective and focused on improving the overall product experience.
- Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
What can fetch you brownie points?
- Hands on experience with React Native is required
- Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
- Strong understanding of JavaScript ecosystem
- Hands on experience on Android in creating Hybrid / Native applications
- Demonstrable UI/UX experience on a large-scale app.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
- Good knowledge of JS frameworks like ReactJS is a plus.
- Desired Skills and Experience
- Hybrid Apps,React Native, Native iOS and Android Architecture understanding
- Writing clear, maintainable and testable code.
- Experience with Git
- Experience in Cross-platform mobile app development using Flutter. Prior experience developing with Flutter is a plus.
- Experience developing with Dart, whether with Flutter and/or for the web, is required.
- Additionally, deep experience contributing to and managing high-scale production mobile apps is desired.
- Expertise in Android development is preferred.
- Minimum of 2-3 years full-time mobile development experience (Android or iOS or cross-platform).
- Strong system design and architecture skills - specifically for android.
- Curiosity to tinker around, explore new paradigms and strong zest for continuous improvement.
- E2E App development and/or experience of developing SDKs is good to have.
- Experience launching and managing Production mobile apps.
- Experience authoring, testing, and deploying code mission-critical applications.
- Debugging mobile apps using simulators and related tooling.
- Developing and releasing complex, data-driven map based apps using Native as the primary application framework.
- Persisting data for offline-first apps using flutter Developing reusable UI Components or libraries.
- Networking and integrating third-party APIs using Flutter.
- Experience developing integrations with common APIs (e.g., Firebase, Twitter, Instagram, Stripe, Youtube, Google etc.)
- Knowledge of Data Structure and Algorithms.
- Knowledge of OOPs principles.
- Working understanding of Relational NoSQL Databases
- Mindset to take up project individually.
- Experience working in an agile development process.
Founded by two MDI alumnus, it is a student centric and personalised learning platform that delivers enjoyable learning content as per the state boards. This ed-tech provides a solution which is easy to use, lets students enjoy learning, makes life easy for a teacher and delivers learning in the language that students are most comfortable. The organisation has worked in 14 states across India and awarded Google India under "Impacting Change through Digital".
What you will do:
- Collaborating with design and development teams, and participating in requirement analysis to decide upon, building and/or improving complex, high-performance Flutter-based architectures and applications
- Analysing and developing components and / or libraries to re-use in various products
- Testing and deploying iOS/Android applications to their respective stores
- Revising, updating, refactoring and debugging code
- Helping develop extensive documentation throughout the lifecycle of software development
- Designing solutions and/or coding practices to increase productivity for the team
- Serving as an application expert and providing technical support
- Assessing and communicating about projected timelines for deliverables and future product growth
- Having a customer-centric approach to all activities
What you need to have:
- Minimum of 1 to 2 years of deep and passionate experience of App development in Flutter along with preferably firebase, Node. JS, databases, cloud and server side integration and development
- Hands-on abilities in Flutter to develop all feature requirements that may come up in our app products on Android, iOS and Web
- Ability to develop APIs and SDKs for cross integration of applications with other applications
- Should have developed and released an app on both play store and iOS app store
- Should have managed, stabilized and scaled an app based product in your past experience
- Command on Google Play Console and iOS Console and all skills to use/manage the same
- Practical Experience of user data management, user journey and user engagement to improve app’s usage
- Experience of user analytics, apt UX/UI for user engagement
- Strong design sense with amalgamation of development to bring features to best usage
end-to-end development. We’re looking for people who
● Design and implement large-scale mobile application with React-Native in a fast
paced environment
● Code pixel-perfect UIs across both mobile platforms
● Optimize performance bottlenecks for experience on par with native applications
● Set up best practices for development and drive their adoption
● Have an eye for detail and obsess over implementation quality
● Mentor young minds and build a great team.
What Are We Looking For?
● 3-5 years of experience building mobile applications
● Proficient with React Native with a minimum of 2 years of experience
● Experience in developing and delivering large scale Android and iOS mobile
applications via React-Native
● Engineers who are obsessed with optimizations and are ready to go the extra mile
to deliver the best app experience to the customers
● Firm grasp of the JavaScript language and Typescript(optional)
● Good knowledge of monitoring and tracking down app crashes and bugs using
advanced tools
● Worked in a startup environment with high levels of ownership and commitment
● A growth mindset and passionate about building things from the ground up, and
most importantly, you should be fun to work with
- Mosaic Wellness is looking for an Android developer responsible for the development and maintenance of existing applications along with continuous integration of new features, who can take the ownership and work independently.
- 1.5+ years of experience in Kotlin is must
- Your primary focus will be development of Android applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure.
- Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.
- Integrate the design into high-quality code.
- Ensure the performance, quality, and responsiveness of an application.
- Identify and correct bottlenecks and fix bugs.
- Work along-side other developers working on a different platform for the Application. Therefore, commitment to collaborative problem solving, design implementation and creating a quality product is essential.
- Minimum 2+ years of experience in Android Application Development.
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes.
- Understanding of Android design principles and interface guidelines.
- Must have already deployed at least one app on PlayStore.
- Working knowledge of Web Services & REST (JSON) APIs, Websocket, Kotlin, Retrofit, SQLite, Google API Integration, Firebase.
- Familiarity with cloud message APIs and push notifications.
- Experience with third-party libraries and APIs.
- Strong mobile UI design and implementation experience.
- Experience with the E-commerce store app
- Understanding of code versioning tools.
- Positive attitude
- Good analytical skills
- Hungry for growth
- Problem solving
- Quick learner
- Deep knowledge of ( List here the mobile platforms on which the app runs,
e.g., Android, iOS, etc. )
- Developing new features and user interfaces from wireframe models
- Ensuring the best performance and user experience of the application
- Fixing bugs and performance problems
- Writing clean, readable, and testable code
- Cooperating with back-end developers, designers, and the rest of the team
to deliver well-architected and high-quality solutions
- Developing new features and user interfaces from wireframe models
- Ensuring the best performance and user experience of the application
- Fixing bugs and performance problems
- Writing clean, readable, and testable code
- Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions
- (Add any other relevant responsibilities here)








