



Requirements:
• Minimum 3 years of experience in React Native.
• Integration of Rest APIs in react native.
• Firm grasp of the JavaScript and Typescript language and its nuances, including ES6+ syntax
• Knowledge of functional and object-oriented programming
• Ability to write well-documented, clean JavaScript code
• Rock solid at working with third-party dependencies and debugging dependency conflicts
• Familiarity with native build tools, like XCode, Gradle, Android studio and IntelliJ
• Proficient understanding of releasing and monitoring apps on IOS App store, Play store.
• Should be able to communicate to backend developers on API building and modifications needed.
• Testing and releasing builds Experience in application testing software’s Appium is preferable.
• Understanding of REST APIs, the document request model, and offline storage
• Experience with automated testing suites, like Jest or Mocha
• Experience with handling production mobile apps.
• Experience with performance testing and optimization.
Responsibilities:
You’ll
• We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms.
• 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.
• Build pixel-perfect, buttery-smooth UIs across both mobile platforms.
• Leverage native APIs for deep integrations with both platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native.
• Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.
• Maintain code and write automated tests to ensure the product is of the highest quality.
• Transition existing React web apps to React Native.

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Android Full-Stack Engineer
📍 Location: Remote
💼 Type: Full-Time
💰 Salary: $800 - $1,000 USD / month
📩 Apply Now at: https://forms.gle/1XrseYnbCUsJDDuTA
About Us
At Momenta, we're committed to creating a safer digital world by protecting individuals and businesses from voice-based fraud and scams. Through innovative AI technology and community collaboration, we're building a future where communication is secure and trustworthy.
Position Overview
We’re looking for an experienced Android Full-Stack Developer to help us bring our user-facing Android app to life. You’ll work closely with our design and engineering teams to build out our map-based UI and integrate key features that power voice scam detection and reporting.
Key Expectations
📌 End-to-End Android Client
- Take our existing codebase from prototype to production-grade
- Implement core features: secure login flows, background call listeners (VoIP/SIP), real-time UI feedback on fraud scores, and call history dashboards
- Optimize across devices for CPU, memory, battery, and low-latency audio processing
- Handle permissions, call audio capture, and background service behavior
- Launch and manage app distribution via Google Play
📌 Serverless Backend & API Development
- Design, build, and maintain AWS-based microservices using Lambda, API Gateway, DynamoDB, and S3
- Implement endpoints for audio streaming, ML model inference (via AWS SageMaker or custom endpoints), and event logging
- Define REST/WebSocket contracts and integrate with Twilio or SIP gateways for VoIP call control
📌 Performance, Security, and DevOps
- Ensure real-time responsiveness and scalable audio data processing
- Implement robust CI/CD pipelines using Git and Gradle
- Build secure auth flows using OAuth/token-based authentication
- Apply best practices in encryption, permissions, and Android security architecture
📌 Cross-Team Collaboration
- Work closely with our CTO and product team to align implementation with roadmap
- Provide clear technical insights, raise blockers, and proactively recommend solutions
- Document backend services and client workflows for maintainability
Required Skills & Qualifications
🎯 Android Expertise
- Kotlin & Java, Android Studio, Jetpack libraries (WorkManager, Room, LiveData)
- Material Design, custom views, background services, and VoIP call handling
- Experience launching Android apps on Google Play
🎯 Backend & DevOps Proficiency
- AWS Lambda, API Gateway, DynamoDB, S3
- Node.js, Python, or similar backend experience
- REST and WebSocket API development
- CI/CD pipelines, Git, Gradle, Serverless Framework
🎯 VoIP & Audio Experience
- Familiarity with SIP/WebRTC, call audio capture, Twilio integrations
- Experience with background audio services and event-driven processing
🎯 Security & API Design
- OAuth/token-based auth
- Secure mobile data handling and encryption in transit
- Android permission model and security best practices
🎯 Bonus
- Experience with AWS SageMaker or deploying custom ML endpoints
- Prior experience with real-time event processing or analytics in telecom or fraud detection
Why Join Momenta?
Work on a real product with a clear mission—protecting users from voice scamsShip a full-stack mobile experience that will be used globallyCollaborate directly with founders and see your work go liveRemote-first, builder-led team with deep focus on product delivery
🚀 Apply now and help shape the future of voice security


Urgently Hiring Android developer either in Android java (android studio) or React native Android app developer or Flutter Android app developer.
Job Location : Indore ( work from Office)
Experience needed : minimum 6 months needed
******
1) Android developer must have expertise in designing as well as development on any technology( either on Android java or React-native or Flutter)
2) Must have expertise in implementing api ( json parsing )
3) Must have done some fully dynamic Android app before.
4) Can work individually or in a team , immediate joiner
*****


We are looking "iOS Mobile Developer" for Reputed Client @ Coimbatore Permanent Role
Experience: 3+ Yrs
Essential Duties and Responsibilities:
The candidate would be responsible for iOS development for mobile platform for new products & services.
• To engage hands-on in the development activity of products / services.
• Participate in daily scrum meets & scheduling of tasks, review accomplishments by end of day.
• To contribute to coding / build & also guide the junior developers.
• To estimate task schedules of junior developers & support development team to achieve the tasks.
• Review code quality.
• Preparing time & cost budgets for new projects & revamping of existing products
Education and/or Work Experience Requirements:
• Candidate should possess B. E / B. Tech / MCA or relevant IT academic background.
• Excellent verbal and written communication skills, including ability to effectively communicate with internal and external customers.
• Thorough knowledge of budgeting time & cost of projects.
• Should have 3+ years of relevant experience in Android mobile development process with proficiency in – iOS SDK, Objective C, Swift, Cocoa Touch, Realm.
• Should have the capability to handle & deliver projects with emphasis on quality & delivery schedule.
• Experience in working with cross cultural environment will be an advantage.
• Must be able to work under pressure and meet deadlines, while maintaining a positive attitude and providing exemplary customer service.
• Should possess necessary skills to collaborate with mobile development teams.
• Ability to manage independently and to carry out assignments to completion within parameters of instructions given, prescribed routines, and standard accepted practices.

A Delhi NCR-based Applied AI & Consumer Tech company tackling one of the largest unsolved consumer internet problems of our time.
We are a motley crew of smart, passionate and nice people who believe you can build a high-performing company with a culture of respect aka a sports team with a heart aka a caring meritocracy.
Position Overview:
As an Android Developer, you will have the exciting opportunity to work on developing, testing, and maintaining Android applications that deliver exceptional user experiences. Collaborating closely with cross-functional teams, you will play a key role in transforming ideas into functional and user-friendly applications that meet the needs of our customers.
Key Responsibilities:
● Participate in the entire application development lifecycle, from concept and design to testing and deployment.
● Write clean, efficient, and maintainable code following coding standards and best practices.
● Continuously research and stay up-to-date with the latest Android development trends, tools, and technologies.
● Assist in maintaining code repositories and version control using tools like Git.
● Collaborate with UI/UX designers to ensure seamless integration of design elements and optimal user experience.
Qualifications:
● Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
● Strong passion for mobile app development and a genuine interest in the Android platform.
● Solid understanding of Java and/or Kotlin programming languages.
● Basic knowledge of Android application architecture and components (Activities, Fragments, Services, etc.).
● Familiarity with development tools and frameworks such as Android Studio and Gradle.
● Adept problem-solving skills and the ability to think critically.
● Strong communication skills, both verbal and written.
● Prior experience with personal or academic Android projects is a plus.
● Knowledge of UI/UX principles and design patterns is a bonus.


Some of the key responsibilities of this candidate are:
- Understand the EdTech context
- Innovate, evaluate, and deploy various android and IOs Features
- Ability to take ownership over your work.
- An understanding of React Native best practices and a commitment to following them.
We like those candidates who have these skills:
- Experience with React Js, React Native, JavaScript including DOM Manipulation and JavaScript object model.
- Thorough understanding of React Native and its core Principles.
- Good Knowledge of HTML5, CSS.
- Familiarity with code versioning tools (Such as Git, SVN or Mercurial)
- Familiarity with RESTful APIs
- Good knowledge of database (MySQL, SQLlite, RealM etc ..)
- Familiarity with modern front-end build pipelines and tools.
- Experience with common front-end development tools such as Babel, Web pack, NPM etc.
- Experience with Native Mobile app deployment on App store and google play store.



Experience in IOS SWIFT Framework.
Proven experience in React Native components in native iOS and Android.
Good understanding of Android / iOS / Web design guidelines, SDK and excellent JavaScript skills. Knowledge of React and the Java script ecosystem.
Exposure to other hybrid mobile platforms like IONIC,Sencha, HTML5, PhoneGap, jQuery Mobile etc. Familiarity with RESTful APIs development.
Expertise with code testing best practices, including unit and integration testing to ensure quality of code. Familiarity with code versioning tools such as Git, SVN, Github.
Excellent verbal and written communication skills.
Preferred Skills & Knowledge: IOS Development (Swift), React Native.




Key Skill - React Native
Mandatory Skills-
"1. Proficient in React Native, Redux, Type Script 2. Experience architecting and building commercial apps, released in both the App Store and Play Store "
Desired Skills-
1. Knowledge in Android app or iOS app development 2. Have developed and published apps for either Android or iOS"
Job Description -
• Design, build and maintain efficient, reusable, and reliable code • Development of UI elements and Integration with APIs • Identify bottlenecks and bugs, and devise solutions to these problems • Help maintain code quality, organization, and automatization • Ensure high performance and responsiveness of request. • Must be able to write solutions that scale • full-time work experience in React Native • Self-motivated with excellent work ethics • Experience in React Native bridging concepts • Experience with Typescript. • Have developed and published apps for either Android or iOS. • Design, development, coding, testing and debugging skills .


1. Experienced iOS Developer with full-time work experience in developing iOS apps for iPhone, iPad, iPod.
2. Should be proficient in Swift and Objective C and use Xcode, Cocoa libraries, and other third-party libraries to develop apps.

1. At least an undergraduate degree in Computer
Science, Engineering, preferably from IITs/Top RECs.
2. 1-4 years of experience at cutting edge organisations
or startups.
3. Extensive experience in developing mobile apps using
Android SDK with proficiency in Core Java and design
patterns.
4. Experience with e business/e commerce applications
and business environment is a must.
5. Any experience with internet companies will be a plus.
6. Great understanding of Android development SDK and
Kotlin.
7. Expertise in Core Java with solid OOD principles and
design patterns.
8. Good grasp of algorithms, design patterns, memory
management and multithreaded programming.
9. Conversant with JSON, XML, Web services API.
10. Experience with SaaS platforms for mobile
development like Analytics, Push Notifications, Cloud
Storage, Ad Networks, etc.
11. Hands-on experience with Android's debugging, unittesting, memory and performance optimization tools.
12. Great people skills


We are looking for only Local candidates who can appear for face to face interview in Noida. And we are looking for candidates who have atleast 1 year of experience in ReactNative. Candidates who do not have hands on experience in ReactNative are requested NOT TO APPLY.
Responsibility:
1) Building user friendly Android and iOS Apps on React Native platform.
2) Designing state-less components in React Native. State management with any of Redux, mobX or Flux.
3) Writing modular, reusable, maintainable, well documented and fully tested code.
4) Converting designs to mobile applications.
5) Integrating with Rest APIs, while collaborating with Backend deve.
6) Take complete ownership of the apps and change various elements/ technologies as per business need.
7) Ensure optimum speed, performance, quality and responsiveness of application.
Required:
1) Bachelor's Degree in Computer Science or related field from premier college.
2) 2+ years of rich experience in React Native.
3) Exceptional knowledge of Android and iOS design principles and interface guidelines.
4) Hands-on experience on React Native APIs, Reactjs, Javascript, ECMAscript (OOJS) and JXS / TSX.
5) Experience with offline storage, threading and Performance tuning.
6) A user centric mentality for building product.
7) Excellent understanding of stylesheets and responsive styling.
8) Strong analytical skills and ability to assist team members in solving complex problems, inside and outside of engineering.
9) Should be passionate about UI/UX of a product.

