Remote Android Developer Jobs

Job Description Position: Native Mobile Developer (iOS & Android) Location: Remote (South Africa) Type: Full-time 12-month contract (renewable) Salary: R45 000 – R75 000 per month About Cardtly Cardtly is a South African startup revolutionising digital identity. We help individuals and teams create sleek interactive digital cards and branded email signatures — making networking effortless and modern. We’re now expanding our platform with fully native iOS and Android apps and we’re looking for a passionate developer to bring that vision to life. You’ll be working directly with the founding team shaping a product used by professionals and businesses across the world. What you’ll do Build and maintain fully native mobile apps (Swift for iOS and Kotlin for Android) Integrate with our backend (Supabase Paystack Whop OAuth) Implement clean responsive UI and animations matching the Cardtly brand Ensure app performance reliability and compliance with App Store & Play Store standards Manage app releases versioning and OTA updates Work with our design and web teams to align app features with the Cardtly web platform Proactively suggest new features and improvements Requirements 3+ years of experience in native iOS and Android app development Strong knowledge of Swift Kotlin Jetpack Compose and SwiftUI Experience with REST APIs Supabase or Firebase Familiarity with Paystack or other payment SDKs Experience publishing and maintaining apps on App Store and Google Play Understanding of mobile security and performance optimisation Passion for clean code innovation and user experience Nice-to-haves Experience with OAuth integrations (Whop or similar) Familiarity with CI/CD tools (Fastlane GitHub Actions) Understanding of UI motion / animation (iOS 26 “liquid glass” effects Material transitions) Knowledge of Firebase Analytics or Sentry Why join Cardtly Work directly with founders on a product used by thousands Fully remote flexible schedule Small fast-moving startup — no bureaucracy real impact Freedom to experiment learn and own your work Potential to grow into a lead mobile engineer role as the company scales If you love building beautiful native apps thrive in lean startup teams and want to help shape a product from early stages to global scale — we’d love to hear from you. Apply now and let’s build Cardtly together. Job Types: Full-time Temporary Contract length: 12 months Pay: R45 00000 - R75 00000 per month Experience: native iOS and Android development: 3 years (Required) Language: Fluent English (Required) Work Location: Remote

Experience: 2–3 Years Notice Period: Immediate to 15 Days About the Role: We’re hiring an Android Developer to join our Marketplace Fulfilment Platform team. You’ll work on improving post-order experiences in a delivery app focusing on real-world challenges like battery optimization flaky internet and location accuracy. Key Responsibilities: Develop and enhance Android applications using Kotlin and Dagger/Hilt. Work on features like location tracking maps and delivery partner interfaces. Collaborate with product and UX teams to design scalable solutions. Ensure high app performance and stability across devices. Must-Have Skills: 2+ years of experience in Android development. Strong in Kotlin Coroutines and Dagger/Hilt DI framework. Excellent understanding of DSA (Data Structures & Algorithms). Experience with Google Maps SDK and location-based services. Good to Have: Knowledge of sensors Bluetooth beacons and WebView integration. Experience with testing tools CI/CD pipelines and app publishing. Why Join Us? Work remotely solve real-world technical problems and contribute to a large-scale delivery platform serving millions of users. Job Type: Contractual / Temporary Contract length: 6 months Pay: ₹700000.00 - ₹900000.00 per year Benefits: Work from home Application Question(s): What is your current notice period or last working day How many years of experience do you have in Android app development using Kotlin? Work Location: Remote

Interaxon (Muse) is a neurotechnology company building brain-computer interfaces (BCIs). Our Muse EEG headbands measure brain activity and deliver real-time feedback on mental states like focus calm and stress. Muse is used by clinicians researchers athletes and individuals to support mindfulness sleep and mental health. www.choosemuse.com We’re looking for an experienced Senior Android Developer to help us maintain and evolve our Android app while shaping its migration to Jetpack Compose + Kotlin Flow. Our current codebase uses XML-based layouts RxJava LiveData and MVVM but we’re planning a progressive shift toward modern tooling — and we’re open to candidates with expertise in either approach. Your work will directly impact how people interact with their mental and emotional wellness through real-time neurofeedback. You’ll build tech that’s used by clinicians researchers and individuals around the world to improve lives in measurable ways.  Responsibilities Build and maintain features using Kotlin MVVM and either XML-based UI or Jetpack Compose Contribute to the migration from RxJava + LiveData to Kotlin Flow + StateFlow + Jetpack Compose. Help define architecture improvements with long-term maintainability in mind Collaborate with cross-functional teams to ship clean high-performance code. Optimize app performance and memory usage especially in relation to real-time data and UI updates Integrate shared libraries and third-party modules including native and WebView-based components. Participate in sprint planning reviews retrospectives and technical design sessions. Requirements Must Have: 4+ years of experience building maintaining and shipping Android apps. A degree in Computer Science or a related field with strong fundamentals in data structures algorithms and design patterns.  Strong proficiency in Kotlin Android architecture patterns (MVVM) and reactive state programming. Experience with either: XML track: RxJava LiveData XML layouts MVVM and willingness to support Jetpack Compose migration. Jetpack Compose track: Deep experience with Compose and Kotlin Flow/StateFlow with comfort maintaining some XML/RxJava code. Strong collaboration skills with a thoughtful pragmatic approach to technical discussions. Familiarity with Git CI/CD workflows and Agile development. Nice to Have: Experience with Firebase Firestore Crashlytics or Fastlane. Exposure to real-time data processing or hardware-integrated Android apps Prior contributions to Jetpack Compose adoption or reactive architecture refactors Exposure to embedded content via React or Unity in a WebView. Some experience with iOS or cross-platform development. A published app in Google Play

Interaxon (Muse) is a neurotechnology company building brain-computer interfaces (BCIs). Our Muse EEG headbands measure brain activity and deliver real-time feedback on mental states like focus calm and stress. Muse is used by clinicians researchers athletes and individuals to support mindfulness sleep and mental health. www.choosemuse.com We’re looking for an experienced Senior Android Developer to help us maintain and evolve our Android app while shaping its migration to Jetpack Compose + Kotlin Flow. Our current codebase uses XML-based layouts RxJava LiveData and MVVM but we’re planning a progressive shift toward modern tooling — and we’re open to candidates with expertise in either approach. Your work will directly impact how people interact with their mental and emotional wellness through real-time neurofeedback. You’ll build tech that’s used by clinicians researchers and individuals around the world to improve lives in measurable ways.  Responsibilities Build and maintain features using Kotlin MVVM and either XML-based UI or Jetpack Compose Contribute to the migration from RxJava + LiveData to Kotlin Flow + StateFlow + Jetpack Compose. Help define architecture improvements with long-term maintainability in mind Collaborate with cross-functional teams to ship clean high-performance code. Optimize app performance and memory usage especially in relation to real-time data and UI updates Integrate shared libraries and third-party modules including native and WebView-based components. Participate in sprint planning reviews retrospectives and technical design sessions. Requirements Must Have: 4+ years of experience building maintaining and shipping Android apps. A degree in Computer Science or a related field with strong fundamentals in data structures algorithms and design patterns.  Strong proficiency in Kotlin Android architecture patterns (MVVM) and reactive state programming. Experience with either: XML track: RxJava LiveData XML layouts MVVM and willingness to support Jetpack Compose migration. Jetpack Compose track: Deep experience with Compose and Kotlin Flow/StateFlow with comfort maintaining some XML/RxJava code. Strong collaboration skills with a thoughtful pragmatic approach to technical discussions. Familiarity with Git CI/CD workflows and Agile development. Nice to Have: Experience with Firebase Firestore Crashlytics or Fastlane. Exposure to real-time data processing or hardware-integrated Android apps Prior contributions to Jetpack Compose adoption or reactive architecture refactors Exposure to embedded content via React or Unity in a WebView. Some experience with iOS or cross-platform development. A published app in Google Play

Interaxon (Muse) is a neurotechnology company building brain-computer interfaces (BCIs). Our Muse EEG headbands measure brain activity and deliver real-time feedback on mental states like focus calm and stress. Muse is used by clinicians researchers athletes and individuals to support mindfulness sleep and mental health. www.choosemuse.com We’re looking for an experienced Senior Android Developer to help us maintain and evolve our Android app while shaping its migration to Jetpack Compose + Kotlin Flow. Our current codebase uses XML-based layouts RxJava LiveData and MVVM but we’re planning a progressive shift toward modern tooling — and we’re open to candidates with expertise in either approach. Your work will directly impact how people interact with their mental and emotional wellness through real-time neurofeedback. You’ll build tech that’s used by clinicians researchers and individuals around the world to improve lives in measurable ways.  Responsibilities Build and maintain features using Kotlin MVVM and either XML-based UI or Jetpack Compose Contribute to the migration from RxJava + LiveData to Kotlin Flow + StateFlow + Jetpack Compose. Help define architecture improvements with long-term maintainability in mind Collaborate with cross-functional teams to ship clean high-performance code. Optimize app performance and memory usage especially in relation to real-time data and UI updates Integrate shared libraries and third-party modules including native and WebView-based components. Participate in sprint planning reviews retrospectives and technical design sessions. Requirements Must Have: 4+ years of experience building maintaining and shipping Android apps. A degree in Computer Science or a related field with strong fundamentals in data structures algorithms and design patterns.  Strong proficiency in Kotlin Android architecture patterns (MVVM) and reactive state programming. Experience with either: XML track: RxJava LiveData XML layouts MVVM and willingness to support Jetpack Compose migration. Jetpack Compose track: Deep experience with Compose and Kotlin Flow/StateFlow with comfort maintaining some XML/RxJava code. Strong collaboration skills with a thoughtful pragmatic approach to technical discussions. Familiarity with Git CI/CD workflows and Agile development. Nice to Have: Experience with Firebase Firestore Crashlytics or Fastlane. Exposure to real-time data processing or hardware-integrated Android apps Prior contributions to Jetpack Compose adoption or reactive architecture refactors Exposure to embedded content via React or Unity in a WebView. Some experience with iOS or cross-platform development. A published app in Google Play

Interaxon (Muse) is a neurotechnology company building brain-computer interfaces (BCIs). Our Muse EEG headbands measure brain activity and deliver real-time feedback on mental states like focus calm and stress. Muse is used by clinicians researchers athletes and individuals to support mindfulness sleep and mental health. www.choosemuse.com We’re looking for an experienced Senior Android Developer to help us maintain and evolve our Android app while shaping its migration to Jetpack Compose + Kotlin Flow. Our current codebase uses XML-based layouts RxJava LiveData and MVVM but we’re planning a progressive shift toward modern tooling — and we’re open to candidates with expertise in either approach. Your work will directly impact how people interact with their mental and emotional wellness through real-time neurofeedback. You’ll build tech that’s used by clinicians researchers and individuals around the world to improve lives in measurable ways. Responsibilities Build and maintain features using Kotlin MVVM and either XML-based UI or Jetpack Compose Contribute to the migration from RxJava + LiveData to Kotlin Flow + StateFlow + Jetpack Compose. Help define architecture improvements with long-term maintainability in mind Collaborate with cross-functional teams to ship clean high-performance code. Optimize app performance and memory usage especially in relation to real-time data and UI updates Integrate shared libraries and third-party modules including native and WebView-based components. Participate in sprint planning reviews retrospectives and technical design sessions. Requirements Must Have: 4+ years of experience building maintaining and shipping Android apps. A degree in Computer Science or a related field with strong fundamentals in data structures algorithms and design patterns. Strong proficiency in Kotlin Android architecture patterns (MVVM) and reactive state programming. Experience with either: + XML track: RxJava LiveData XML layouts MVVM and willingness to support Jetpack Compose migration. + Jetpack Compose track: Deep experience with Compose and Kotlin Flow/StateFlow with comfort maintaining some XML/RxJava code. Strong collaboration skills with a thoughtful pragmatic approach to technical discussions. Familiarity with Git CI/CD workflows and Agile development. Nice to Have: Experience with Firebase Firestore Crashlytics or Fastlane. Exposure to real-time data processing or hardware-integrated Android apps Prior contributions to Jetpack Compose adoption or reactive architecture refactors Exposure to embedded content via React or Unity in a WebView. Some experience with iOS or cross-platform development. A published app in Google Play

Interaxon (Muse) is a neurotechnology company building brain-computer interfaces (BCIs). Our Muse EEG headbands measure brain activity and deliver real-time feedback on mental states like focus calm and stress. Muse is used by clinicians researchers athletes and individuals to support mindfulness sleep and mental health. www.choosemuse.com We’re looking for an experienced Senior Android Developer to help us maintain and evolve our Android app while shaping its migration to Jetpack Compose + Kotlin Flow. Our current codebase uses XML-based layouts RxJava LiveData and MVVM but we’re planning a progressive shift toward modern tooling — and we’re open to candidates with expertise in either approach. Your work will directly impact how people interact with their mental and emotional wellness through real-time neurofeedback. You’ll build tech that’s used by clinicians researchers and individuals around the world to improve lives in measurable ways. Responsibilities Build and maintain features using Kotlin MVVM and either XML-based UI or Jetpack Compose Contribute to the migration from RxJava + LiveData to Kotlin Flow + StateFlow + Jetpack Compose. Help define architecture improvements with long-term maintainability in mind Collaborate with cross-functional teams to ship clean high-performance code. Optimize app performance and memory usage especially in relation to real-time data and UI updates Integrate shared libraries and third-party modules including native and WebView-based components. Participate in sprint planning reviews retrospectives and technical design sessions. Requirements Must Have: 4+ years of experience building maintaining and shipping Android apps. A degree in Computer Science or a related field with strong fundamentals in data structures algorithms and design patterns. Strong proficiency in Kotlin Android architecture patterns (MVVM) and reactive state programming. Experience with either: + XML track: RxJava LiveData XML layouts MVVM and willingness to support Jetpack Compose migration. + Jetpack Compose track: Deep experience with Compose and Kotlin Flow/StateFlow with comfort maintaining some XML/RxJava code. Strong collaboration skills with a thoughtful pragmatic approach to technical discussions. Familiarity with Git CI/CD workflows and Agile development. Nice to Have: Experience with Firebase Firestore Crashlytics or Fastlane. Exposure to real-time data processing or hardware-integrated Android apps Prior contributions to Jetpack Compose adoption or reactive architecture refactors Exposure to embedded content via React or Unity in a WebView. Some experience with iOS or cross-platform development. A published app in Google Play

Interaxon (Muse) is a neurotechnology company building brain-computer interfaces (BCIs). Our Muse EEG headbands measure brain activity and deliver real-time feedback on mental states like focus calm and stress. Muse is used by clinicians researchers athletes and individuals to support mindfulness sleep and mental health. www.choosemuse.com We’re looking for an experienced Senior Android Developer to help us maintain and evolve our Android app while shaping its migration to Jetpack Compose + Kotlin Flow. Our current codebase uses XML-based layouts RxJava LiveData and MVVM but we’re planning a progressive shift toward modern tooling — and we’re open to candidates with expertise in either approach. Your work will directly impact how people interact with their mental and emotional wellness through real-time neurofeedback. You’ll build tech that’s used by clinicians researchers and individuals around the world to improve lives in measurable ways. Responsibilities Build and maintain features using Kotlin MVVM and either XML-based UI or Jetpack Compose Contribute to the migration from RxJava + LiveData to Kotlin Flow + StateFlow + Jetpack Compose. Help define architecture improvements with long-term maintainability in mind Collaborate with cross-functional teams to ship clean high-performance code. Optimize app performance and memory usage especially in relation to real-time data and UI updates Integrate shared libraries and third-party modules including native and WebView-based components. Participate in sprint planning reviews retrospectives and technical design sessions. Requirements Must Have: 4+ years of experience building maintaining and shipping Android apps. A degree in Computer Science or a related field with strong fundamentals in data structures algorithms and design patterns. Strong proficiency in Kotlin Android architecture patterns (MVVM) and reactive state programming. Experience with either: + XML track: RxJava LiveData XML layouts MVVM and willingness to support Jetpack Compose migration. + Jetpack Compose track: Deep experience with Compose and Kotlin Flow/StateFlow with comfort maintaining some XML/RxJava code. Strong collaboration skills with a thoughtful pragmatic approach to technical discussions. Familiarity with Git CI/CD workflows and Agile development. Nice to Have: Experience with Firebase Firestore Crashlytics or Fastlane. Exposure to real-time data processing or hardware-integrated Android apps Prior contributions to Jetpack Compose adoption or reactive architecture refactors Exposure to embedded content via React or Unity in a WebView. Some experience with iOS or cross-platform development. A published app in Google Play

Job Title Android Development Intern (3 Months Remote 6 Positions) Company Overview We are looking for motivated tech enthusiasts who want to build real Android apps work on meaningful projects and accelerate their career growth. Join our remote-first team with an opportunity to contribute learn and potentially earn a permanent role by the end of the internship. Internship Summary We are offering a 3-month Android Development Internship open to 6 interns. This role is remote with occasional in-person meetups (based in India) to ensure team collaboration and mentorship. Although this is an internship you’ll gain a certificate upon completion and a chance for prizes and a job offer if you perform excellently. Key Responsibilities Develop Android applications using Kotlin. Work with APIs Firebase SQLite and other backend/data storage technologies. Participate in design discussions brainstorming and planning. Write clean maintainable and tested code. Collaborate with mentors and peer interns. Deliver project milestones within timelines. Who Should Apply / Eligibility Must have: Students pursuing BCA MCA B.E. B.Tech B.Sc. or M.Sc. Comfortable with Kotlin. Eagerness to learn Android-specific tools & libraries (APIs Firebase SQLite). Passionate about app development and building real-world products. Nice to have: Prior experience or personal projects in Android. Familiarity with Material Design Jetpack components. Good problem-solving and communication skills. Perks & Benefits Remote work with flexible schedules. Mentorship from experienced developers. Certificate of Completion. Quarterly in-person meetups (for those based in India). Special prizes for strong performers. Opportunity for PPO / full-time role for interns who stand out. Internship Duration & Details Duration: 3 months Positions Available: 6 Work Mode: Remote (with some in-person meetups in India) Compensation: (but high value in learning exposure certificate and opportunity) Job Types: Full-time Internship Contract length: 3 months Pay: ₹2000.00 per month Benefits: Work from home Work Location: Remote

Job Title Android Development Intern (3 Months Remote 6 Positions) Company Overview We are looking for motivated tech enthusiasts who want to build real Android apps work on meaningful projects and accelerate their career growth. Join our remote-first team with an opportunity to contribute learn and potentially earn a permanent role by the end of the internship. Internship Summary We are offering a 3-month Android Development Internship open to 6 interns. This role is remote with occasional in-person meetups (based in India) to ensure team collaboration and mentorship. Although this is an internship you’ll gain a certificate upon completion and a chance for prizes and a job offer if you perform excellently. Key Responsibilities Develop Android applications using Kotlin. Work with APIs Firebase SQLite and other backend/data storage technologies. Participate in design discussions brainstorming and planning. Write clean maintainable and tested code. Collaborate with mentors and peer interns. Deliver project milestones within timelines. Who Should Apply / Eligibility Must have: Students pursuing BCA MCA B.E. B.Tech B.Sc. or M.Sc. Comfortable with Kotlin. Eagerness to learn Android-specific tools & libraries (APIs Firebase SQLite). Passionate about app development and building real-world products. Nice to have: Prior experience or personal projects in Android. Familiarity with Material Design Jetpack components. Good problem-solving and communication skills. Perks & Benefits Remote work with flexible schedules. Mentorship from experienced developers. Certificate of Completion. Quarterly in-person meetups (for those based in India). Special prizes for strong performers. Opportunity for PPO / full-time role for interns who stand out. Internship Duration & Details Duration: 3 months Positions Available: 6 Work Mode: Remote (with some in-person meetups in India) Compensation: (but high value in learning exposure certificate and opportunity) Job Types: Full-time Internship Contract length: 3 months Pay: ₹2000.00 per month Benefits: Work from home Work Location: Remote