Kotlin Developer

Job Title: Senior Android Developer / Lead Engineer (Java | Kotlin | Android)

Experience Required

• 10+ years of overall software development experience
• Strong hands-on expertise in Java, Kotlin, and Android development

Role Overview

We are seeking a highly experienced Senior Android Engineer with deep expertise in Android OS internals, system-level development, and strong hands-on coding ability. The role demands strong technical leadership, architectural thinking, and the ability to design and build scalable, high-performance Android applications with system-level integrations.

This is a hands-on technical role (not people management) with focus on architecture, design, and complex problem solving.

Key Responsibilities

1. Android Application Development

• Design, develop, and maintain advanced Android applications using Java and Kotlin
• Write clean, efficient, and maintainable code with strong adherence to OOP principles
• Participate in hands-on coding, debugging, and code reviews

2. Android Framework & System-Level Development

• Work with Android OS-level APIs including:
• Services
• Binder IPC
• AIDL
• System services
• Understand and implement system-level integrations

3. Low-Level & Hardware Interaction

• Exposure to Kernel / Hardware Abstraction Layer (HAL)
• Work on device-level integrations such as:
• Sensors
• Bluetooth
• Other hardware peripherals

4. Performance & Stability Engineering

• Identify and resolve performance issues including:
• ANR (Application Not Responding)
• Memory leaks and optimization
• Ensure application stability and efficient resource usage

5. Concurrency & Multithreading

• Build robust multi-threaded applications
• Strong understanding of:
• Concurrency models
• Synchronization mechanisms
• Thread safety and race condition handling

6. System Design & Architecture

• Design scalable, modular, and maintainable Android applications
• Define architecture patterns and enforce best practices
• Contribute to system-level design decisions

7. Technical Leadership (Hands-on)

• Provide technical direction and mentorship to engineering team members
• Guide design and implementation decisions
• Conduct architecture and code reviews
• Remain actively involved in coding and technical problem solving

Preferred / Good to Have

• Exposure to IoT domain
• Exposure to HVAC systems or related embedded domains

Must-Have Skills Summary

• 10+ years Android development experience
• Strong Java, Kotlin, Android expertise
• Deep knowledge of Android internals and system APIs
• Strong OOP and coding skills (coding assessment required)
• Experience with performance tuning and memory management
• Strong understanding of multithreading and concurrency
• System design and architecture expertise
• Hands-on technical leadership

Job Description: A full-stack Android developer will be responsible for designing, developing, and maintaining mobile applications for the Android operating system that provides indoor map rendering and navigation functionality. They will work with a team of developers, designers, and project managers to create a seamless navigation experience for users.

Responsibilities:

• Design and develop high-performance, reusable, and reliable Java and Kotlin code for the indoor navigation application.
• Implement indoor navigation algorithms and integrate with location-based services and sensors, such as Wi-Fi, Bluetooth, and accelerometer, to provide accurate indoor positioning
• Use Android Studio and other development tools to build, test, and debug the application
• Work with designers and project managers to ensure that the application meets all requirements and is released on schedule
• Collaborate with other developers to integrate with backend systems and APIs
• Write clean, maintainable, and testable code that adheres to best practices
• Troubleshoot and debug issues, and update and maintain existing applications
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Understand the full mobile development life cycle, from concept to deployment
• Continuously monitor the market for new indoor navigation technologies and techniques, and incorporate them into the application as appropriate.

Requirements: The suitable candidate should have experience with the following:

• Bachelor's degree in Computer Science or a related field.
• Strong knowledge of Java and Kotlin programming languages
• Experience with Android SDK and Android Studio
• Experience with RESTful APIs to connect Android applications to back-end services
• Experience with third-party libraries and APIs
• Experience with indoor navigation algorithms and location-based services
• Familiarity with Git and version control
• Understanding of design principles and material design
• Strong debugging and troubleshooting skills
• Strong analytical and problem-solving skills
• Strong communication and teamwork skills
• Strong sense of ownership and drive to deliver high-quality results

• Work as part of a small team to build React Native iOS / Android applications for FullStack's clients.
• Architect, build and maintain excellent React Native applications with clean code.
• Implement pixel perfect UI's that match designs.
• Implement clean, modern, smooth animations and transitions that provide an excellent user experience.
• Integrate third-party API's.
• Write unit and integration tests.
• Release applications to the Apple and Google Play stores.
• Work with native modules when required.
• Work as part of a small team, which will include other React Native developers, a project manager, QA professional, and a designer.
• Complete two-week sprints, and participate in sprint retrospectives and daily standups.
• Assist with building estimates.
• Interface with clients via Slack, Zoom, and email.
• Track your time throughout the day using Toggl.
• Work with modern tools including Jira, Slack, GitHub, Google Docs, etc.
• Be part of a community of React Native developers who share knowledge and help each other as problems arise.
• Follow FullStack's detailed development process

We are looking for a Passionate Android Developer to join our award-winning, talented team, building the next generation automated drone applications for our global customers. You will be responsible for the development of Android applications and their integration with back-end services.

About FlytBase

FlytBase is a 4-year old, venture-funded, high growth startup –  a global pioneer in software-led automation of commercial drone applications. The team has a cumulative professional experience of several decades, with engineering graduates from IIT-B, IIT-KGP, University of Texas & Georgia Tech.

FlytBase develops intelligent software that leverages reliable, off-the-shelf drone hardware to automate and scale drone deployments for commercial use-cases. FlytBase platform is hardware-agnostic, has intelligent plugins for autonomy, manages drone fleets via 4G/5G, and uses APIs to integrate into enterprise workflows. The company is headquartered in Silicon Valley, California, USA and has R&D offices in Pune, India. Widely recognized as a pioneer in the commercial drone ecosystem, FlytBase continues to win awards globally, the most recent one being the ‘NTT Data Open Innovation Global Champion 2019’.

Role and Responsibilities:

• Design, build and maintain efficient, reusable, and reliable android code.
• Collaborate with cross-functional teams to define, design, ship new features, and implement new technologies to maximize development efficiency.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Identify and correct bottlenecks and fix bugs.

Qualifications and Requirements:

• 1+ years of experience in designing and building Android applications.
• Good knowledge in programming concepts – OOPs, design & coding patterns.
• Experience in developing Android applications using Kotlin/Java.
• Strong knowledge of Android UI design principles, MVC, MVP and MVVM patterns.
• Strong knowledge of MAPS, Sqlite, GPS functionality etc.
• Strong experience in Material Design.
• Experience in writing Unit Tests and UI tests, must be familiar with Junit, Mockito and Espresso.
• Experience in integrating SSO and auth modules or libraries.
• Experience in Git or Bitbucket Repository.
• Experience in REST API integration.
• Familiarity with Android local connectivity API (Bluetooth, WiFi, USB).
• Familiarity with RxKotlin / RxJava (operator, thread management, eventBus).
• Familiarity with cloud message APIs and push notifications.

What Will I Earn?

This role comes with an annual CTC that is market competitive and depends on the quality of your work experience, degree of professionalism, culture fit and alignment with FlytBase’s long-term business strategy.

Looking to hire Unity Developers who have strong experience in C# programming skills, familiarity with level design & planning, Most importantly we are looking for someone who has worked with Mobile Application Games.

Responsibilities:

Planning and implementing app functionality.
Identifying and fixing code errors and app bottlenecks.
Testing app functionality.
Ensuring products conform to high industry standards.
Maintain a clean codebase with proper naming conventions and standards.

Requirements:
C#, Game Design, Mobile App Development.
Knowledge of Unity, C# scripting, UI development, session management, and publishing app on App Store and Play Store.

• 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.  

• Support the entire application lifecycle (concept, design, test, release and support)
• Produce fully functional mobile applications writing clean code
• Gather specific requirements and suggest solutions
• Write unit and UI tests to identify malfunctions
• Troubleshoot and debug to optimize performance
• Design interfaces to improve user experience
• Liaise with Product development team to plan new features
• Ensure new and legacy applications meet quality standards
• Research and suggest new mobile products, applications and protocols
• Stay up-to-date with new technology trends