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

We are looking for an Flutter Developer responsible for the development and maintenance of applications.The primary focus will be on creating new experiences and maintaining the acclaimed app. You will be working along-side other engineers and developers working on different layers of the infrastructure.

Responsibilities:

• Working closely with another mobile application developer leading the other platform development
• Deliver across the entire app life cycle –concept, design, build, deploy, test, release to app stores and support.
• Working directly with developers and product managers to conceptualize, build, test and realize products.
• Gather requirements around functionality and translate those requirements into elegant functional solutions.
• Working with web developers to create and maintain a robust framework to support the apps.
• Working with the front end developers to build the interface with the focus on usability features.
• Create compelling device specific user interfaces and experiences.
• Work on bug fixing and improving application performance.
• Optimizing performance for the apps.
• Keep up to date with the latest industry trends in the mobile technologies.
• Able to estimate the time required to complete project deliverable.
• Able to work in a fast-paced start-up environment.

Requirements

• Candidate must have flutter and dart experience.
• Minimum 2-4 years work experience in iOS / Android (Java/Kotlin and Objective-C/Swift)
• Strong in Android Java. Candidate should have a good understanding of thread management, memory management and other aspects of Java for mobile application development.
• Strong OO design and network programming skills.
• Strong written/verbal communication 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
• Experience with Knowledge and understanding of Firebase
• Proficient understanding of code versioning tools, such as Git
• Familiarity with cloud message APIs and push notifications
• Qualification- Any computer science graduate/postgraduate

• Proven software development experience and Android skills development
• Proven working experience in Android app development and
• Have published at least one original Android app
• Experience with Android SDK
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies

• Design and build advanced applications for the Android platform
• Collaborate with cross-functional teams to define, design, and ship new features
• 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

1. A candidate with 2+ years of experience in building high-quality Android apps. 
2. A strong understanding of the full life cycle of app development.
3. Experience in designing, developing, debugging and deploying software for server-side development using Java/ Kotlin language.
4. Understanding and the sound of Android SDK, in different versions of Android, and how to effectively write code for a multitude of Android devices.
5. Excellent knowledge of Android design principles and third-party libraries 
6. Experience in building RESTful API's focusing on integration with back-end services.
7. Hands on experience with continuous integration.
8. Passionate about Android and are always up to date with the latest industry trends concerning OS, devices, applications, web technologies and new user interactions as they are released.

Rajasthan Studio is looking for young and bright minds for its upcoming innovative, never-experienced-before app platform for virtual art experiences.

Job Description -

We are looking for programmers with a keen eye for design and performance for the position of Flutter developer. Flutter developers are responsible for ensuring the alignment of design and user experience requirements, optimizing applications for maximum efficiency, and maintaining brand consistency across the application, among other duties.

Flutter developers are required to work in teams alongside back-end developers, graphic designers, and user experience designers to ensure all elements of application creation are consistent. This requires excellent communication and interpersonal skills.

Responsibilities -

• Design & implement new app modules based on the product requirements using the Flutter framework
• Maintain existing codebases
• Build reusable code and libraries for future use
• Integrate user-interfaces elements developed by other developers
• Build user interfaces designed by UI/UX designers
• Integration of data storage solutions
• Integrate various third party/in-house APIs
• Debug existing apps components, fix issues and avoid regressions
• Collaborate closely with the teams of PMs, QAs, and other developers
• Participate in software architecture, design discussions, and code reviews
• Optimize application for maximum speed and scalability

Skill & Qualifications -

• Desire to work in a startup environment, able to self-manage and work remotely (when required)
• Must have built at least one Android and/or iOS apps with Flutter
• Proven Working experience in software / mobile development - Android or iOS
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Solid understanding of the full mobile development life cycle, including automated testing and building
• Familiarity with SQL/NoSQL databases and their declarative query languages
• Proficient understanding of code versioning tools, such as Git / Mercurial
• Understanding of the Agile development life-cycle
• Ability to write readable code, create extensive documentation for existing code, and refactor the previously written code into a readable state.

Y Media Labs is a creative technology company that helps brands re-imagine their customer  experiences. Our mission is to export the Silicon Valley mindset to the rest of the world.  

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 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 Engineering Manager for our team in Bangalore. If you are excited about building products that will be used by millions of consumers worldwide, building products for brands that you can be proud to show to your family and friends - you need to join us!

Responsibilities:

• Lead and coach a group of engineers in delivering scalable, flexible and secure features to our customers
• Leading engineering teams composed of backend, frontend, iOS, Android developers and QA.
• Deep dive into work of your team, review the code submitted by your team, and resolve the root cause of problems
• Coach your team members how to increase the quality of their code based on real examples
• Involve in hiring for your teams
• Drive a continuous improvement process - introduce new tools & automations based on real data analysis
• Represent the team to engineering groups internally, to executive leaders in various functional groups within YML, to current and future customers, and to our partner organizations.
• Build a diverse team while fostering a collaborative and inclusive environment.
• Project and Program management
• Collaborate with Product/Project Managers to plan, implement and deliver tasks and modules on a timely basis with best practices and adherence to SOPs.
• Manage the development pipeline to deliver features on schedule while maintaining high bar for quality.
• Closely Interact with other functions such as PM/Product, Design, UI/UX, Architecture, QA, and deliver planned features
• Deliver Web, Android and iOS applications with integration to backend services deployed on the cloud with high quality and responsiveness.
• Create strong practices around test driven development, automating delivery of apps to the marketplace with strong CI/CD practices.
• Play the role of an unblocker in a tight scrum environment.
• Should be able to help other developers with challenges, problem solving, and help achieve milestones as per plan.
• Prioritize to manage ad-hoc requests in parallel with ongoing projects.
• Hands on with programming with 50%+ of bandwidth going into modules owned.

Requirements:

• A highly talented developer with 10+ years of hands-on experience.
• Primarily in web application development experience using, JAVA, Angular, ReactJS, Python, GO.
• Working with MVVM, MVP, MVC patterns.
• Additional Mobile development experience Android, Kotlin, iOS, Swift, Objective C will be a bonus.
• Must have at least 3+ years of experience in an engineering management role, and a clear record of success prior to that as a senior/staff engineer.
• Must be compelling and clear communicator, able to represent your team to internal and external audiences with differing levels of technical fluency.
• Ability to handle multiple competing priorities/projects in a fast-paced environment.
• Good Analytical, Problem solving and Debugging skills.
• Hands on experience in Designing, Coding and release management.
• Continuously increasing your team's work quality & performance.
• Experience with writing and maintaining unit-tests, functional tests, and CI/CD pipelines.
• Ability to think from a product mindset.
• B. Tech/M. Tech/MCA (IT/Computer Science).

Nice to Have:

• Hands-on cloud development experience

• Strong grasp of computer science fundamentals and excellent problem-solving skills.
• Good understanding of software engineering practices, Data Structures & Algorithms.
• Solid programming skills in Java/Kotlin.
• Good communication skills.
• Strong sense of ownership and accountability.
• Experience in Reactive programming, Asynchronous programming and Unit Testing will be an added advantage.
• 4-7years of experience in product driven organization.