React Native Developer

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.

• 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.

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.