Tokyo Entrupy

About the Role:


Entrupy is seeking a Senior Android Developer to help build and evolve our Android app, which is central to our product experience.

The core foundations are already in place, and you'll play a key role in advancing the app toward its initial launch and beyond, delivering a polished, reliable experience for our users.

While the majority of your work will focus on app development, you'll also contribute to parts of our Android SDK, ensuring it's robust, easy to integrate, and aligned with the app's capabilities.

This role is ideal for someone who enjoys working on customer-facing mobile products, collaborating closely with product and design, and taking ownership of features from development through release.

This role will collaborate closely with our iOS and backend teams to deliver seamless and robust solutions.

Location:
Remote- Brazil/Latin America//Europe


Reports To:
Android Lead


What you'll do:
Build, enhance, and maintain our Android app, with a focus on performance, usability, and reliability
Contribute to the development and evolution of our Android SDK
Help prepare the app for initial launch, including feature completeness, stability, and polish
Collaborate with product, design, and backend teams to deliver end-to-end features
Write clean, testable, and maintainable Kotlin code
Debug issues, improve app performance, and ensure high-quality releases
Participate in code reviews and contribute to technical decisions
Collaborate with designers to ensure the SDK provides an intuitive and user-friendly experience.
Ensure the quality and performance of the SDK through testing, troubleshooting, and optimization.
Coordinate feature development and releases, manage timelines, and communicate progress with stakeholders.
Create and maintain comprehensive documentation for the SDK to facilitate ease of use and integration by other teams.


What you bring:
At least 5-7 years of professional software development experience, with a focus on Android.
Strong experience developing Android applications using Kotlin
Solid understanding of Android architecture patterns (MVVM, VIPER, Clean Architecture, etc.)
Experience shipping and maintaining production Android apps
Familiarity with Android SDK development or shared libraries (nice to have)
Experience working with REST APIs and modern mobile tooling
Ability to work collaboratively and take ownership of features
Demonstrated experience in building SDKs or similar libraries.
Proficient in Kotlin and Java.
Experience with multi-threading and asynchronous programming in Android.
Familiarity with RESTful APIs and integrating third-party services.
Experience with UI/UX design principles or a willingness to propose first-draft solutions.
Excellent communication and collaboration skills, able to work in a fast-paced, distributed environment.
Familiar with or interested in AI development tools such as Cursor or Claude Code.


Good to have:
Experience with reactive frameworks such as Jetpack Compose.
Experience contributing to or maintaining an Android SDK
Experience supporting an app through launch or early-stage growth
Experience with CI/CD pipelines and mobile app deployment processes.
Experience with machine learning integration in mobile applications.
Familiarity with cloud services (e.g., AWS, Firebase) and backend integration.
Knowledge of Python and backend development is a plus.
Knowledge of iOS (Swift, Objective-C) is a plus.


What we offer:
Market competitive and pay equity-focused compensation structure
Generous time away including company holidays, paid time off, sick time, and more
Opportunity to be part of the diverse and growing team across Japan, US, India, and Brazil.


We have had an incredible run so far and laying the foundation for a culture that is fast-paced, entrepreneurial, and rooted in passion, kindness, and positivity.

We live by these values – we hire by them, promote them, and celebrate them every day.

Please apply if you're a coding ninja with a passion for cutting-edge technology and want to be at the forefront of AI innovation.



  • Tokyo Entrupy ¥720,000 - ¥1,080,000 per year

    Entrupy is seeking a Senior Android Developer to build and evolve our Android app. · Build, enhance, and maintain our Android app. · Contribute to the development and evolution of our Android SDK. · ...

  • Android developer

    3週間前


    Tokyo TEKsystems ¥6,000,000 - ¥12,000,000 per year

    We are looking for an Android developer to design and build the best mobile shopping experience for Android devices; collaborate closely with cross-functional teams; solve business problems with modern, user-centric solutions. · Understand business requirements and deliver featur ...

  • Android Developer

    3週間前


    Tokyo Huxley ¥600,000 - ¥900,000 per year

    We are a rapidly growing FinTech organization that has built a large user base in Japan and is expanding its financial ecosystem. As an Android Engineer, you will collaborate with engineers, designers, and QA teams to develop and enhance our native mobile application. · Be part o ...


  • 東京都 港区 六本木, グリーグループ メタバース事業 ¥500,000 - ¥1,000,000 per year

    REALITY株式会社では、スマホ向けメタバース「REALITY」の開発・運営を行っています。このポジションでは、Androidアプリの設計・開発をリードし、新規機能の開発や既存機能の改善を行っていただきます。 · ANDROIDアプリの新規機能の開発 · 設計・実装・テスト・リリース後の追加修正対応 · ...

  • Android Developer

    1ヶ月前


    Tokyo L&T Technology Services ¥4,000,000 - ¥12,000,000 per year

    Android Developer job description · Experience implementing AIDL-based HALs (Vehicle HAL) for CAN, LIN and other oem-specific vehicle networks · Experience with creating modular APEX packages for HALs, native services, and configuration files · Managing APEX lifecycle: installati ...


  • Tokyo, Japan Bitcoin Devs Company

    The Senior Android Developer - Kotlin will be a key member of our mobile development team in Tokyo. · Lead the design, development and maintenance of cutting-edge Android applications using Kotlin. · ...


  • Tokyo, Japan AheadGroup

    Ahead Staffing is seeking a Mid-Level Android Developer to join the mobile development team for one of their global e-commerce clients. · ...

  • Android developer

    3週間前


    Tokyo TEKsystems ¥1,500,000 - ¥2,500,000 per year

    We are looking for an Android developer to design and build the best mobile shopping experience for Android devices. · Understand business requirements and deliver features with high quality and speed. · Design, develop, test, and operate Android applications for a large‑scale e‑ ...


  • Shinjuku GAIDOOR株式会社 ¥1,200,000 per year

    デジタルトランスフォーメーションを通じて建設業界に変革をもたらし、日本社会、さらには世界に大きなインパクトを与えることを目指す、全く新しいグローバルかつハイレベルなチームに参加してみませんか? · ビジネスレベルの日本語(JLPT N2) · グローバルチームメンバーやエンジニアとコミュニケーションをとるために、日常会話レベルの英語力が必要です。 · Python に精通していること(Pandas、NumPy などのデータサイエンスライブラリの使用経験を含む) · 機械学習フレームワーク(TensorFlow、PyTorch、Scikit-learn な ...

  • Android Developer

    3週間前


    Greater Tokyo Area LongWave Remote job¥1,200,000 - ¥1,800,000 per year

    We are seeking an motivated Android Engineer for a startup with a gamified e-commerce app with over 5 million downloads. · We're a fast growing company, but a small holistic team of about 5-6 engineers. Our apps are built for B2C and are seeking to build new features and scaling ...


  • Minato Mercari, Inc.

    +Job summary · As a senior Android engineer at Mercari Group, you will lead complex product and technical initiatives, collaborating closely with ML engineers, backend teams, infrastructure specialists designers and product managers. · +ResponsibilitiesLead the design implementat ...


  • Tokyo Google Full time¥2,450,000 - ¥3,650,000 per year

    +Job summary+: Google's software engineers develop the next-generation technologies that change how billions of users connect explore and interact with information and one another.+Responsibilities:+ Make networking faster by using better integration between high-level protocols ...


  • Tokyo Google ¥8,000,000 - ¥12,000,000 per year

    Job summary:The team maintains all Android networking code that includes routing, firewalls and virtual private networks (VPNs), data usage(connectivity application programming interfaces (APIs), Domain Name System (DNS), etc. · ...


  • Tokyo TEKsystems ¥8,000,000 - ¥12,000,000 per year

    Work on a huge, complex system with high traffic. Gain experience across development, testing, operations, and system design. Join an international environment with a diverse team. · Develop and maintain large-scale systems with high traffic. · Implement secure and efficient code ...


  • Tokyo Too Good To Go ¥1,500,000 - ¥2,000,000 per year

    We're looking for an exceptional Senior Business Developer Manager to join Too Good To Go in Japan. · ...


  • Tokyo TEKsystems ¥5,000,000 - ¥10,000,000 per year

    Our product is a high-growth e-commerce service in Tokyo. We are a very progressive company providing the product with substantial capital, access to great technology, and access to international markets. · To understand business requirements, and deliver features with high quali ...


  • Meguro Kaigen ¥500,000 - ¥1,200,000 per year

    Lead Software Engineer responsible for leading a team in iOS/Android applications development, working with project teams, and ensuring quality deliverables. · Software requirement analysis & determine functional and nonfunctional requirements of the project. · Communicate with c ...


  • Tokyo NVIDIA ¥10,000,000 - ¥20,000,000 per year

    We are looking for a hardworking Senior Business Development Manager to join our team in Tokyo, Japan. At NVIDIA, you will have the groundbreaking opportunity to steer the future of automotive technology with our powerful platform. · Lead NVIDIA's Automotive Sales strategy in Jap ...


  • Meguro-ku, Tokyo Kaigen ¥60,000 - ¥180,000 per year

    Lead a team of iOS/Android developers in Japan or India. Develop applications, manage projects, and ensure quality deliverables. · ...


  • Tokyo NVIDIA ¥10,000,000 - ¥20,000,000 per year

    We are seeking a highly technical and strategic Senior Developer Relations Manager to join our team, with a focus on engaging developer ecosystems across manufacturing domains. · Serve as the trusted technical advisor, problem solver, and champion for the developer ecosystem in m ...


  • Tokyo Thomson Reuters ¥2,000,000 - ¥2,800,000 per year

    We're seeking a highly motivated Senior Business Development Manager to join our dynamic and supportive team in Japan. · We've adopted a flexible hybrid working environment (2-3 days a week in the office depending on the role) for our office-based roles while delivering a seamles ...