
Senior Android Developer / Lead Engineer (Java | Kotlin | Android)
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

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- Prepare and produce releases of software components
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- Problem-solving skills, analytical mind, and positive attitude
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Hybrid Apps,React Native, Native iOS and Android Architecture understanding
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What is homeground?
- HomeGround is an AI platform that helps aspiring cricketers and coaches level up thier training. We help our users get an equal opportunity to play, train for and achieve their goal by providing professional level training analytics right on the smartphone, no special equipment or sensors required.
- HomeGround is one of the Top 10 early stage sports tech startup selected by Startupbootcamp Australia
- Our team shares experience in product growth, marketing and deep learning. We are passionate about our work and are committed 100% to our startup.
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- An ideal candidate will exhibit the following traits:
- Adapt and work on distributed technology stacks.
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- Debug code, solve incidents and defects.
- Develop well-managed, high-quality, scalable, and reusable code.
- Should have excellent English (both verbal and written) skills.
- Should have excellent interaction and client communication skills.
- Solve technical challenges and take pride in their solutions and code.
Advantageous
- Java/Swift experience
- Understanding of Android Keyboard API
- Experience with optimizing applications for better performance and response
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- Work to architect simple, reliable, and elegant applications. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Identify and communicate improvements to development tools, processes & workflows. Contribute to a collaborative work environment and a culture of ownership.
- Participate in understanding problems for our specific target and finding solutions for them.
Qualifications
- Strong knowledge of Android design principles, patterns, and best practices.
Good problem-solving skills and verse with OOPs fundamentals. - Proficiency in Java, Kotlin, and a solid understanding of Android SDK and other components (MVP/MVVM, Architecture components, Jetpack, Dagger, RxJava, Coroutines, Data binding, Retrofit, etc).
- Knowledge of clean architecture and its implementation.
- Proficient with developing apps optimized for different android versions and devices of varying performance.
- Strong system design and architecture skills.
- Experience with multi-threading, memory management, databases.
- Experience in working with REST APIs, JSON, XML, etc.
- Experience/Knowledge of unit testing and integration testing.
- A knack for profiling, performance tuning, and optimization.
Skills that will give you an edge - Hands-on experience with supporting payments and integrating payment gateways
- Experience with progressive web apps, service workers
- Strong grasp over frontend unit and end-to-end testing frameworks
● Build new features & align them with product-requirements
● Build new features & gamification experience throughout the application
● 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
About us:
Zapit aims to be a multi-platform single app solution for universal payments using blockchain technology. Our goal is to spread economic freedom by pushing the boundaries of p2p payments by introducing non-custodial decentralised financial services.
We are looking to build smart contracts that can be deployed for real world use cases such as insurances, loans and other useful decentralised financial products. We are also working towards building an economy where concepts like company shares, gift cards, discount coupons, loyalty points and more can be tokenised including NFTs in the form of art, music, gaming items, event tickets, design concepts and more.
Responsibilities:
- Collaborate with designers to develop a visually appealing, responsive & optimised app for mobile, web & desktop platforms.
- Use Flutter framework to develop great user experiences with effective workflows.
- Build reusable code and robust libraries of UI components.
- Write clean, maintainable and documented code with solid test coverage.
- Participate in the product roadmap discussions.
- Design, develop, test, deploy, maintain, scale and improve code base.
- Implement methods to understand user interaction and engagement on the product through metrics.
Requirements:
- Minimum experience of 1.5 years in Dart/Flutter development with a good knowledge of native Android & iOS development.
- Good understanding of Data Structures and Algorithms.
- Passionate and opinionated about beautiful design with an eye for detail.
- Should be updated with latest front end technologies and trends.
- Proficient knowledge of cross-browser compatibility issues and handle graceful degradation.
- Should have delivered multiple products.
- Interest in building things from scratch.
- Willingness and affinity to learn.
- Excellent communication skills.
- Self-motivated, work well independently or as part of the team.
Our Stack:
We tend to work with Javascript, Typescript, Dart, Flutter, gRPC, Express.js, Heroku, NodeJS, MongoDB, AWS, Solidity, Bitcoin Script.
Good-to-Have:
- Open Source contributions.
- Interest in Cryptocurrency/Payments space.
- Familiar with Git and GitHub/GitLab
Incentives:
- Equity in the company
- Get to work in a distributed team.
- Handsome pay. (Competitive)
- Fast opportunities for personal and professional learning and growth, tons of autonomy and responsibility, results-driven environment, international team, exposure to a wide array of ecosystems and trailblazing technology, flexible work hours.
Please include something beautiful you’ve implemented in the past if possible!
If you have examples of a project where you iterated after learning new things from potential users, please talk about that!







