
React native iOS Developer /Android with react native
at Mobile OS Developer



- 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

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Job Description:
We are looking for a talented and motivated Full Stack Development Intern to join our team. This internship offers an exciting opportunity to work on real-world project, enhance your skills, and gain hands-on experience in full-stack development using Flutter for mobile applications and React for web development.
Key Responsibilities:
- Mobile App Development: Collaborate on building and enhancing the Flutter mobile application for Android and iOS.
- Web App Development: Assist in creating responsive and feature-rich web applications using React.
- Backend Integration: Work on integrating the frontend with our backend systems and APIs.
- Debugging & Optimization: Identify and resolve issues across platforms to ensure high performance and scalability.
- Collaboration: Work closely with designers, developers, and product managers to bring ideas to life.
- Feature Development: Implement new features across the mobile app, web app, and backend to enhance the user experience.
Skills and Qualifications:Must-Have:
- Experience or academic exposure to Flutter and React.
- Basic knowledge of Dart for Flutter and JavaScript/TypeScript for React.
- Understanding of RESTful APIs and how to consume them.
- Familiarity with Node.js.
- Knowledge of Git for version control.
- Basic database concepts (MongoDB).
- Strong problem-solving skills and the ability to work in a collaborative environment.
Nice-to-Have:
- Exposure to state management tools like Redux.
- Knowledge of Keys(Global keys) in Flutter.
- Knowledge of AWS.


#Must be Proficient in Swift, Objective C, Apple’s Xcode IDE
#Knowledge of frameworks and APIs like Foundation, UIKit, and CocoaTouch
#Apple Human Interface Guidelines
#OpenGL or Metal, iOS graphics APIs
#Familiarity with iOS 10 and newer OS versions
#Knack for benchmarking and optimization
#Experience on web service integration (SOAP, REST, JSON, XML)
#Familiarity with cloud message APIs and push notifications
#Using version control (e.g. SVN, GIT)
#Excellent debugging and optimisation skills
#Good to have backend development skills

Position Title: Mobile Developer - Android Location: Bangalore, India
Reports To: Manager of Mobile Development
Position Summary:
Bottomline is at the forefront of digital transformation. We are a growing global market leader uniquely equipped to address the changing needs of how businesses pay and get paid. Our culture of working with and for each other enables us to delight our customers. We empower our teams to think like owners driving customer delight, helping them grow their business and win in their markets.
Bottomline Technologies delivers award-winning user experiences for large banks and financial institutions globally. Our Mobile Team seeks talented individuals who will deliver solutions across both business and consumer markets that are innovative, thoughtful, and set a new standard in the industry. The selected individual will be working with a talented and dynamic team building native applications for large enterprise system used by banks, insurance companies, and healthcare organizations around the world.
Essential Job Functions:
- Design and develop native apps for Android with Kotlin and Flutter/Dart
- Build high quality and secure mobile application
- Work in fast based SCRUM teams
- Interact with Product Owners periodically; understand the requirements and provide application solutions.
- Engage with other mobile developers to create reusable code modules, flutter plugins.
- Promotes and adheres to good development practices: code/design reviews, optimization, and maintainability.
- Maintaining and contributing to technical documentation and coding standards.
- Keeps up to date with mobile application development trends and industry news.
- Design, implement and unit test SaaS applications for the mobile environment.
Required Skills:
- 3+ years hands on design and development with Android SDK with at least two apps in the PlayStore.
- A good understanding of OOPS, MVC, MVP, MVVM and other design patterns.
- Good to have worked in Test Driven Development, or Behavior driven development
- Working experience with WCAG 2.1 Level A and AA success criteria.
- Experience with Git and an understanding of CI/CD
- Experience with REST web services with JSON or XML formatted return data
- Strong communication and problem-solving skills
- Experience working in an Agile Scrum Development process
Education and Experience:
- BE / B Tech / MCA in Computer Science from a reputed university with good academic record

your responsibilities will vary frequently. You will wear multiple hats and will work with
many different technologies. You might have to talk to clients directly, and you have an
active say in the direction of our product. We want someone who is passionate about
working in this type of environment!
What you’ll do
● Be an active contributor to the team to plan, design, and build solutions for our mobile
platform.
● Work closely with the founders to decide the direction of the product
● You will collaborate closely with other engineers of the team and lend help in your
areas of expertise.
● Implement UI for mobile app.
● Bind our business layer with the SDK.
● Deliver maintainable and high-quality code
● Work in an environment that supports your individual growth.
● Ensure that our customer’s experience is the very best it can be. You might have to
interact with the dev team of our initial clients.
Who you are
● You are intensely curious and passionate about the prospect of diving deep into
multiple technologies, platforms, and problem spaces, even if they are currently
unfamiliar.
● You embrace uncertainty. Our space is a rapidly growing one and specifications are
continuously changing.
● You are experienced with modern React Native coding, testing, debugging and have
built at least 1 production-ready app.
● You care about the user experience and you know how to build user-friendly mobile
applications.
● You have a working understanding of object-oriented and functional programming
paradigms.
● You have experience with continuous integration. Experience with AWS is a bonus.
● Experience with WebRTC, iOS, Android, or C++ development is a bonus.
● A degree in Computer Science or a similar area is a bonus.


We create digital products with purpose that have a lasting impact on users' lives and clients' businesses. We are a team of dreamers and doers united by a simple idea: If we make a difference for your customers, we will make a difference for your business too. And it works. Since 2009, we have led early-stage startups and top-tier brands to "wow" their customers with best-in-class digital products and experiences. The Wall Street Journal calls us “YML is one of the most innovative companies in Silicon Valley.” Through next-generation technologies and world-class design, we help brands like Apple, PayPal, L'Oreal, Home Depot, Kaiser Permanente, State Farm, First Republic Bank etc develop solutions
that drive major business outcomes. Founded in 2009, Y Media Labs is headquartered in Silicon Valley with four offices worldwide including Atlanta, Indianapolis, Bangalore & Sao Paulo. We came of age with the invention of the app store. We have mobile in our DNA. We create
solutions across the digital ecosystem. Unlike agencies who are born desktop, we are deeply connected to how consumer perception has shifted thanks to the mobile lifestyle. We have built and launched 207 products, delighted over 407 million users, built over 200+ apps, work with 30 Fortune 500 clients, been responsible for over 400 billion transactions through our work and generated over $200 billion in transactions for our clients, and been featured on the app store
over 700+ times!
• Portfolio of our work can be found @ ymedialabs.com/work
• Live look into our engineering team @ medium.com/ymedialabs-innovation
• Live look into our design team @ dribbble.com/ymedialabs
Our team in Bangalore is close to 250 strong, and we are growing in a variety of ways. Our goals include a culture of excellence and we are looking to transform the team to be one of the best tech teams in Bangalore. We are looking to hire multiple iOS Engineers at different levels to help us code the world class apps we are creating. If you are a mobile engineer looking to build apps that will be used by millions of consumers worldwide, build apps for brands that you can be proud to show to your family and friends – you need to join us!
Key Responsibilities
• Design and build advanced high-quality applications for the iOS platform
• Ensure the performance, quality, and responsiveness of the applications
• Code reviews, automated unit testing, documentation for any code you write
• Deal with ambiguity and work in a rapidly evolving environment, with time-sensitive projects
• Deadlines matter to us. Plan your work and meet your deadlines, while maintaining code
quality.
• Get involved in client interactions and gathering project requirements
• Lead product initiatives and work on next generation prototypes
• Work with other engineers, product management, QA, and operations teams to develop and
meet functional and non-functional requirements
• Work in an environment of agile, test-driven fast feedback cycle (continuous integration, unit,
functional, integration and acceptance testing)
• Learn and adapt to new technologies
• Bring new ideas and technologies to the team that can improve the product or process.
• Depending on your level of skills and maturity (not seniority), mentor other engineers.
What we are looking for
• Strong foundation in Computer Science fundamentals like data structures and algorithms, and
software engineering principles
• Passionate about creating great code
• Proficient with Swift and/or Objective-C.
• Understanding of end to end mobile development life cycle
• Experience with latest iOS frameworks
• Experience with databases like Realm, Coredata etc.
• Experience with third-party libraries and Cocoapods
• Experience with memory management and caching mechanisms
• Solid Understanding of Apple’s design principles and interface guidelines.
• Experience with performance and memory tuning with tools such as Instruments
• Experience coding with RESTful APIs to connect iOS applications to back-end services.
• Great team player who works well in collaborative situations
• Experience with Android app development is a major plus. Experience with cross-platform
tools would be an advantage
• Experience with tools like Git, Jira, Basecamp, BitBucket, Azure DevOps would be an
advantage.
• Good to have experience working with IOT projects, Bluetooth technologies
• Working knowledge of the general mobile landscape, architectures, trends & emerging
technologies.
• Active Open Source, GitHub or Stack Overflow contribution will be a big plus
• Published personal apps in play store will be an added advantage

What we are building?
Businesses need to manage a lot of user infrastructure like authentication, identity verification, user management, security and fraud prevention. Developing these solutions in-house can increase the go to market time, deviation from solving key problem, security lapses and frictional user journeys and lead to business losses. To cater these requirements of an expanding business we provide an one stop solution.
Our mission is to remove technical barriers for the companies when it comes to user infrastructure and create seamless structure for integration with our platform that handles security and provides simple and secure access to digital assets.
Sign3 is looking for an Android Developer.
What you will do?
- Own Android SDKs, working hand-in-hand with the founding team
- Design and build delightful user interfaces for native apps on Android
- You will be (co-) responsible for our software development kit (SDK) for Android
- Building mobile apps in both Swift and Kotlin.
- You work independently on your own code, but you also spend time collaborating with others.
- You are involved in all stages of app development and contribute to the roadmap.
- You get the freedom to experiment with new Android technology.
- Ownership — advocate for projects and solutions that need to be launched ground up.
Experience
- Min 2 to 4 years in developing Android applications in Java / Kotlin / C++ /
- Gradle/Groovy.
- Worked on SDKs/Frameworks.
- Strong understanding of software design patterns as well as Android specifics.
- Experience with authenticated sessions using authentication tokens and have at-least
- fundamental knowledge of app security.
- Good to have:-
- Experience with Cross-platform frameworks is a plus (React Native, Flutter, Cordova,
- Xamarin).
- Have implemented security standards and guides.
- Experience building applications at scale.
- Experience with third-party libraries and APIs like Mobile Vision, MLKit and/or
- Camera API.
- Good understanding of garbage collection, design patterns and continuously
- discover, evaluate, and implement new technologies to maximise development
- efficiency.
- Unit-test code for robustness, including edge cases, usability, and general
- reliability

Translate designs and wireframes into high quality code
Design, build, and maintain high performance, reusable, and reliable Java code
Ensure the best possible performance, quality, and responsiveness of the application
Identify and correct bottlenecks and fix bugs
Help maintain code quality, organization, and automatization
Skills:
Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
Familiarity with RESTful APIs to connect Android applications to back-end services
Strong knowledge of Android UI design principles, patterns, and best practices
Experience with offline storage, threading, and performance tuning
Ability to design applications around natural user interfaces, such as touch
Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
NOTE-Must have exp in Java Language .
Required Experience, Skills and Qualifications
Good knowledge in Java, Programming & Software design principles and expertise in Android application development.
Key Skills:
Knowledge of Android Studio, SDK and Android Application is required.


Good to have :
- Knowledge of Retrofit or Volley
- Knowledge Glide or Picasso
- Knowledge of Dagger, Hilt or Koin
- Understanding of major app architecture patterns
- Knowledge of Jetpack libraries
- Knowledge of Google Play Services
- Knowledge of Firebase Services
- Knowledge of Android Architecture Components
- Experience in Unit tests
- Experience in Instrumentation tests
- Understanding of REST APIs
- Understanding of memory management tools
- Understanding of performance monitoring tools
- Exposure to UI/UX best practices
Great to have:
- Experience with modularized apps
- Experience in Flutter/React-Native
- Experience in Design Systems
- Understanding of localization/internationalization
- Strong drive to learn and grow as the platform evolves



