Android 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

• Design and build advanced applications for the Android platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Experience in working with SDLC. Experience in end to end SDLC documentations.
• Experience in Banking/Financial Application.
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Hands-on experience in Web Services
• Excellent programming, unit testing and debugging skills in Mobile Java (Android and Kotlin)
• Good designing skills based on object-oriented design patterns & frameworks
• Basic/core Java/Kotlin/OOPS knowledge and an understanding of Java technologies is mandatory
• Very good exposure in frameworks like Android Architecture, SDK, SDK Development
• Strong Experience in Mobile Application Development Life Cycle
• Experience in Design Patterns MVVM, MVP etc.
• Programming new Android Applications from specifications
• Experience in implementing communication with API servers via web-services using JSON and XML
• Exploring upcoming new features of Android Platform

We are looking for an enthusiastic Android Developer with a proven track record of building Android apps from the ground up.

1. Product Design and Development Skills

• Native Android (Java)
• Firebase - firestore
• Cloud functions

2. Design skills

• XML
• Recreate Figma design in XML

3. Testing Skills

Test the feasibility and viability of the App.

1. Turn an idea into a product.
2. Take complete ownership of the app and build the product end to end.
3. Own and manage the complete development cycle of the App.
4. Understanding the feature requirement and implementing the same.
5. Work directly with the company leadership.
6. Brainstorm ideas and designs with few of the finest minds in the industry.

Spacenos is the fastest-growing start-up which is innovating in the finance, edtech and marketing domain since 2015 and won multiple awards and recognitions from more than 40+ MNCs and Fortune 500 companies. Our Clients are based out of the U.S.A and Australia. We are funded & Supported by Government of Karnataka, Angel Investors and International Grants.

1. Apply for your CV and past work to be reviewed.
2. Receive a telephonic interview or assessment upon filling the final step form.
3. Receive offer letter if selected.

Our hiring process takes less than 24 hours from the time you receive the Final Step form.

Validity: Up to Dec 2023

- Apply soon, the earliest applicant would be preferred over the late applicants.

- 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.

• Good experience in teamwork
• Should be work in agile methodology
• Everyday task update to team leader
• Master into research and development task for some major function
• Developer should have to be updated with latest technology

Technical

• Understanding of Application life cycle
• Knowledge of Programming language Dart
• Knowledge of Native Programming language Kotlin/Java and Swift/Objective-C
• knowledge and experience of Flutter and Dart SDK
• knowledge of Bloc coding structure or any other professional coding structure
• knowledge and experience of project version control [Git]
• Networking library like http and dio
• Local storage library like floor or moor
• Crashlytics and Analytics using Firebase
• Firebase push notification or any other
• Familiar with Google APIs. [Google Maps, Mapbox]
• Knowledge of OOPs and Dart/Flutter coding standard
• Must have experience into android and ios performance and optimize technique
• Must have knowledge of latest operating system for Android and iOS

• Engineering Graduates or Postgraduates with 2-5 years of experience in mobile development, who have designed and developed advanced applications for the Android platform in B2C domain. Experience of development of app for retail domain is an added advantage.  
• Must have working skills:  
  • Kotlin, RXJava, Dependency injection (Koin/Dagger) 
  • Unit Test 
  • Worked on multi-threaded applications 
  • MVP and MVVM 
• In depth understanding of Android recommended design principles, interface guidelines and coding best practices.  
• Experience with performance and memory tuning of complex apps.  

Requirement:

Position: React Native Developer

Yrs of Exp:  Min 4yrs in React Native for Senior Level
                   eCommerce or B2C Project will be added advantage

Location: Bangalore- Bommanahalli
Company: eCommerce Domain and Product Based Company

CTC: As per standards

Snr React native Developer

Basic knowledge in Javascript, HTML, CSS

Knowledge in React JS, React native components

Latest Technology knowledge like hooks, Redux

Number of apps released/live in React native /Anroid & IOS, Business nature of the app

Understanding of deep react-native concepts

Understanding of advanced concepts like optimizing app

Understanding of security, deployment, app releases

Understanding of support of app on multiple screens, android and ios versions, iterative development and enhancement of the app

Regards,
HR Ramya,