Android Developer

At Inncircles, we help construction teams push boundaries with AI-powered solutions that integrate effortlessly into their workflows—turning data into actionable insights across the entire project lifecycle.

What You’ll Do

• Build & ship: Design, develop, test, and maintain fast, stable Android apps used in real-world field conditions.
• Collaborate: Work closely with product managers, designers, and backend teams to deliver scalable, impactful features.
• Optimize: Continuously refactor and optimize code for performance and long-term maintainability.
• Delight users: Build intuitive UI using Jetpack Compose, animations, and state management techniques.
• Debug & resolve: Troubleshoot critical bugs, resolve performance bottlenecks, and keep the crash-free rate high.
• Integrate: Seamlessly connect with third-party APIs, SDKs, and external services.
• Automate: Contribute to and improve CI/CD pipelines using GitHub Actions, Bitbucket Pipelines, etc.
• Stay current: Explore new tools, libraries, and Android trends; share insights with the team.

What You Bring

• 2+ years of Android app development experience, with at least one app published to the Play Store.
• Proficiency in Kotlin, including coroutines and Flow.
• Deep experience with Jetpack Compose, including animations, state, and theming.
• Familiarity with MVVM, Clean Architecture, and separation of concerns.
• Experience with Dependency Injection (Hilt/Dagger).
• Strong understanding of unit and UI testing tools (e.g., JUnit, Espresso).
• Hands-on experience with CI/CD pipelines.
• Strong communication skills and a commitment to quality code.

Bonus Points For

• Experience with Flutter or cross-platform development.
• Familiarity with MongoDB or backend development in Node.js, Django, or similar.
• Experience with monitoring and analytics tools (Firebase Crashlytics, Analytics).

What We Offer

• Competitive salary & flexible working hours.
• Health insurance & wellness benefits.
• Collaborative, inclusive, and learning-first work culture.
• Clear growth opportunities and ownership of impactful work.

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

The Impact you will create in the Job:

• Developing SDKs on native Android with support for cross-platform technologies like ReactNative, Flutter along with hybrid development over platforms like Cordova. 
• Apply data structures and algorithms to optimize the code for a lower memory, battery, and processing footprint - all with the goal to build plug-and-play SDKs that don’t expect the app developers to write any supporting code in the app.
• As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
• You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
• You will get an opportunity to work with some of the best talent while learning from various highly-functional teams in the company.
• Plan and execute the roadmap with the engineering team to build and deliver next-generation systems.
• You will also collaborate with cross-functional teams to meet deliverables throughout the software development lifecycle and continuously identify areas of improvement.
• Identify and improvise areas of improvement through data insights and research.

What we look for?

• Bachelor’s/Master’s degree in Computer Science/IT from premier institute.
• 2-4 years of industry experience in Native Android development, with at least one live app on Google Play Store. 
• Good knowledge of Kotlin and/or Java with an understanding of Android Native SDK, specifically network classes, concurrency handling, databases, and background processes. 
• Strong knowledge of data structures and algorithms. 
• Solid understanding of Android Libraries related to UI, network, background services, and database.
• Familiarity with developing UI with both XML layouts and code. 
• Good understanding of SDK integrations, debugging, and troubleshooting. 
• Interest in exploring mobile app development ecosystems like React Native, Cordova and Flutter. 
• Comfortable with tackling ambiguous problems and unblocking yourself.
• Fair understanding of Push Notification ecosystem.

We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.

• 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

• 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
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimization
• Understanding of Google’s Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Familiarity with continuous integration

TrueFan is a celebrity-fan experience platform that enables fans to connect with their favorite celebrities. The business runs on a mobile application where fans compete in an online quiz contest designed on the life of their favorite celebrity (their movies, trivia, facts, etc.) and the winners get a personalized video message from them.

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.

Responsibilities

• Designing, deploying, and managing web and mobile applications that can run on multiple platforms.
• Utilizing React Native to design and develop UI components for web and mobile apps based on JavaScript.
• Writing effective, scalable, and reusable JavaScript code can help create interchangeable front-end modules.
• Improving front-end performance by diagnosing and fixing all system errors and bugs.
• Collaborating with design, development, and customer service teams to properly understand client requirements and build top-notch apps within the stipulated time and budget.
• Using other JavaScript libraries (like “Redux”) to make asynchronous API calls and enhance website/mobile app performance.
• Creating plans to transition React-based web and mobile apps to React Native.

Requirements

• Possess at least 3 years of hands-on experience in React Native.
• Should have a good working knowledge of HTML and CSS.
• You are well-versed in all aspects of JavaScript.
• Experience in leading a team is preferred.
• Should have in-depth knowledge of UI/UX designs and wireframes.
• You possess an expert-level understanding of React.js and its fundamentals. 
• You are familiar with Gradle, XCode, and other native build tools.
• You deeply understand REST APIs, offline storage, and the document request model.
• You have strong problem-solving and critical-thinking abilities.

Eximius is a micro-VC which invests into early-stage startups. One of our portfolio startup iTribe is looking for "Hustlers", "First Principle Thinkers", "Crazy and trips on creating products out of the box from scratch", "Outspoken", "unafraid of users ripping your product".

Responsibilities:

• Craft clean, manageable code, maintain proper documentation and code integrity
• Design advanced applications in mobile which is the main user facing product
• Maintain quality and ensure responsiveness, cross platform optimisation of applications
• Create, test and deploy the applications on production servers
• Continuously discover, evaluate, and implement new technologies and frameworks to maximize development efficiency

• Responsible for security and data protection.
  
  Communication & Collaboration

• Collaborate with engineering and cross-functional teams to define, design, and ship new features
• Unblock peers and keep all the internal and external teams informed about the progress of development

Requirements

• 2-5 years working as a full-time professional developer (Mobile) and 1 Year experience in a flutter is a must
• Should be familiar with REST Api's, websockets and Databases in mobile integration.
• Pixel perfectionist in UI engineering, should have a nack of telling desinger about the do's and dont's
• Well-versed with Software Development Life Cycle
• Demonstrate the ability to be a self-starter, learn and implement new technologies/ frameworks
• Excellent analytical and problem-solving skills
• Understanding and implementation of security and data protection.

Why join iTribe?

• Opportunity to be part of the founding team and work directly with the founders
• Build a product which is not done in decades
• Competitive Salary
• ESOPs - ownership in the company
• Medical Insurances
• Subscriptions to premium platforms for learning
• Books that you ask for
• Friendly leave policy

Android Mobile Developer

The ideal candidate will be passionate about providing the best experience to our user community from UI/UX design to speed and performance.  You will think critically to develop native apps for Android mobile devices.  You’ll instrument, measure, optimize and build high quality architectures and code in areas such as Search, Transaction Management and Profile Management.

General Responsibilities:

• End-to-end Android application development that will produce elegant features that our users will love
• Coding alongside the team (comprised of designers and product managers) developing features for our mobile apps
• Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
• Understand where to make architectural trade-offs applying synchronous and asynchronous design patterns
• Provide solid feedback on good mobile UI/UX design practices and ways to reduce any user friction

Requirements:

• 5+ years developing extensively with Java 
• 7+ years experience in software design, development, and algorithm related solutions
• Knowledge of UI and animation frameworks, touch user interface, and MVP application design
• Strong expertise in developing enterprise mobile applications using Google’s Android SDK( e.g. packaging, emulators, adb, etc)
• Familiar with deploying to Google’s app store and staged rollouts
• Extensive programming experience in Java and/or Kotlin
• Experience with relational databases (transactional and non-transactional), database architecture, and distributed transaction management
• Experience with consuming third-party libraries and APIs
• Strong understanding of working with REST services, databases, caching strategies & asynchronous calls is a must
• Good understanding of software development lifecycle along with working knowledge of SCM with strong emphasis on Git and Jira
• BA/BS Degree in Computer Science or related technical discipline, or related practical experience.

• Build pixel-perfect 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.
• Maintain code and write automated tests to ensure the product is of the highest quality.

• 1- 3 years as a professional software developer.
• Experience with React, React Native and Redux
• Experience with at least one native mobile platform (bonus points if you moved to React Native from iOS or Android development).
• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax. Knowledge in TypeScript is a plus point.
• Knowledge of functional and object-oriented programming.
• Familiarity with native build tools, like Xcode & Android Studio.
• Understanding of REST APIs, the document request model, and offline storage.

As part of your day to day job, you’ll

1. Own end-to-end features of the app: networking, persistence, business logic, and

UI

2. Use Kotlin (primary) and Java

3. Do reactive programming using RxJava2

4. Follow Model-View-Intent architecture to build UI of the app

5. Use Android Architecture Components

6. Write tests

7. Invent awesome Android stuff to make your job easier

Qualifications

1. Motivation to design and build reliable, elegant apps

2. 3 - 5.5 years of android application development experience

3. Proficiency in Java and experience in Kotlin

4. Familiarity with RxJava2, Dagger2, OkHttp, Retrofit, Android Architecture

Components

5. Familiarity with material design