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

Position: Android Developer

Experience: 3+ - 10 Years

Location: Mumbai

Employment Type: Full-Time

About the Role

We are looking for a highly skilled and experienced Senior Android Developer to join our team. The ideal candidate will have extensive experience in Android application and SDK development, proficiency in AIDL (Android Interface Definition Language), and expertise in creating scalable and modular applications using multi-module architecture and MVVM (Model-View-ViewModel) patterns.

Key Responsibilities

• Design, develop, and maintain robust Android SDKs and libraries.
• Collaborate with cross-functional teams to define, design, and ship new SDK features.
• Implement and manage inter-process communication using AIDL.
• Develop and maintain services and background processes for seamless application functionality.
• Architect scalable multi-module Android applications with proper separation of concerns.
• Utilize the MVVM architecture for clean, testable, and maintainable code.
• Optimize application performance and memory usage.
• Write clean, well-documented, and efficient code while adhering to industry standards.
• Perform code reviews, provide mentorship, and ensure best practices are followed across the development team.
• Debug and resolve issues, ensuring application stability and reliability.
• Stay updated on the latest Android development trends, tools, and frameworks.

Key Skills and Qualifications

• 3-7+ years of professional Android development experience.
• Proven experience in building and maintaining Android SDKs.
• Strong understanding and hands-on experience with AIDL.
• Proficient in Android services, background tasks, and inter-process communication.
• Expertise in multi-module architecture for Android applications.
• Strong understanding of MVVM architecture and data binding.
• Solid knowledge of Android design principles, patterns, and best practices.
• Experience with testing frameworks (e.g., JUnit, Mockito) for unit and integration testing.
• Proficiency with tools like Git, Gradle, and Android Studio.
• Excellent problem-solving skills and attention to detail.
• Strong communication and collaboration skills.

Preferred Qualifications

• Familiarity with CI/CD pipelines for Android projects.
• Knowledge of Kotlin Coroutines and Flow.
• Exposure to performance monitoring and optimization tools.
• Contributions to open-source projects or Android developer communities.
• Experience with Jetpack libraries and Compose. 

Android Developer:

1 to 5 years of experience Android mobile app development

• Proficient in Kotlin
• Experience in MVVM Code architecture
• Understanding of using Jetpack libraries in Android
• Experience in RxJava techniques
• Capable of learning a new technology like Flutter
• Knowledge in Android app life cycle
• Have experience in Android app submission in PlayStore
• Ensure the performance, quality, and responsiveness of applications
• Proven software development experience and Android skills development
• Proven working experience in Android app development
• Have published at least one original Android app
• Experience with Android SDK
• Experience working with remote data via REST and JSON
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Solid understanding of the full mobile development life cycle

• Leads more than one projects end-to-end and collaborates across functions. Drives planning, estimation and execution.
• Manages stakeholder expectations and offers scalable, reliable, performant and easy to maintain solutions.
• Consistently takes well thought technical/design decisions.
• Develops expertise in more than one area and shares knowledge with others. Able to mentor/train people in areas which are new to them.
• Drives people to solve engineering challenges.
• Enjoys high respect of Tech and other cross functional teams.
• Demonstrates effective communication with project team, management and internal/external clients as necessary.
• Surfaces both technical and non-technical team challenges and helps resolve them.
• Champion for SDLC best practices and high-quality standards.
• Significantly contributes in hiring high performance candidates.

• Expert in JAVA, Kotlin, Reactive programming, Asynchronous programming and Dependency Injection. Experience with unit-tests and automation frameworks.
• Familiarity with any architectures like MV*(MVP/MVVM/MVI).
• Strong focus on high-quality mobile UI experiences.
• Operates independently with almost no oversight.
• Is able to apply domain expertise to think critically and make wise decisions for the team, taking into account tradeoffs and constraints.
• Communicates tech decisions through design docs and tech talks.
• Has delivered multiple projects with end-to-end engineering ownership.
• Keeps track of new technology/tools and embraces them as necessary
• 12+ years of experience in a product-driven organization.

Technologies we're working with

• MVP, JAVA and Kotlin, Realm, Firebase Real-time Database, RxJava,Kotlin Coroutines, Dagger and Retrofit.

A mobile first Neo-banking start-up, Finin aims to help you manage & spend your money seamlessly.

We are a Bengaluru based young & vibrant team planning to on-board amazing talent, someone like you. Please go through the job description below, and connect with us if you deem we are a good fit in the next step of your career progression.

We value your time & hence have a stringent policy to communicate a decision within 7-10 days.

Your work at Finin:
As our primary android developer , you are expected to

1. Build a light-weight, low latent Android applications with limited or no dependency on third-party modules.
2. Build application logic & develop user facing features in Kotlin.
3. Build reusable components & front-end libraries for future use, as and wherever needed.
4. Translate designs & wireframes into high-quality code.
5. Define front-end architecture, document, estimate scope, & deliver on time.
6. Plan for new technology insertion & trade-offs in development.

Further, as any early stage start-up, we expect you to be comfortable wearing multiple hats, & be a proactive contributor towards building something truly remarkable.

Candidate profile:

1. At least 4 years of professional experience building native projects for Android.
2. Have at least two live projects.
3. Practical knowledge of working with RESTful APIs, & version control tools such as git.
4. Experience creating custom libraries.
5. Proficiency in various software design patterns.
6. Accountable & a proactive communicator.
7. Has worked in agile or iterative environment. Can estimate scope & prioritise.
8. Independent problem solver. Comfortable with ambiguity & fast pace start-up work culture.

Bonus points:

1. If you have previous experience building technology for Finance products.
2. If you have contributed in at least two stages of product development: MVP & Growth.
3. If you are a do-er.

Job Location: Pune

Experience: 2 to 5 years

Annual CTC: 400000 - 1000000 INR

Notice Period:  1 Month or Less

Skills: Flutter, Platform level iOS/Android, Mobile Application Development, SQLite.

Job Requirement:

• Desire to work in a startup environment, Fun@work culture and able to self-manage.
• Must have at least 2 years of experience in building mobile applications and built at least two Android and/or iOS apps with Flutter.
• A strong commitment to quality and willingness to learn.
• Have published one or more mobile apps in Google Play or App Store.
• Experience with third-party libraries and APIs.
• Experience working in an agile development process.
• Be proficient in using version control and continuous integration, with tools such as Bit Bucket, Git and Jenkins.
• Write clear, maintainable and testable code that you are proud of.
• Good communication skills.

Good to have: (Not Mandatory)

• Ability to take an ownership & leadership role on the team.
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
• Solid understanding of the full mobile development life cycle, including automated testing and building.
• Experience working in Fintech payments and eCommerce.
• General knowledge of Location Services, Maps, and other common Android/IOS libraries.
  
  

• 1+ years of experience with Android
• Basic understanding of Kotlin
• Experience with Android Architecture Components Like ViewModel, LiveData, Data BInding, Navigation etc.
• Experience with frameworks like OkHttp, Retrofit, androidx, moshi, picasso, among others.
• Experience with design patterns and industry trends
• Understanding that great code is also maintainable code.