Android 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

At https://www.holofy.io/">Holofy,We are building an incredible product and to do that we need incredible people.

If you have ambition and drive and want to own your roadmap in a company that knows how to innovate and scale, we want to talk to you.

We work in small, self-managing, collaborative and agile/Kanban teams and are looking for great technology developers who can work in the same.

Location - Remote/WFH

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Pre-requisites:

• 3-5 years of experience is building robust Android Applications
• Have knowledge of publishing apps on the Play Store
• Excellent command over Data Structures and Algorithms.
• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with offline storage, threading, and performance tuning
• Knowledge of Kotlin,Retrofit, OkHttp, Glide, Exo-Player, Android Jetpack Kotlin coroutines.
• Have an understanding of OOP, different architectural patterns (esp. MVVM), and their testability
• Knowledge of multi module architecture and product flavours.
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Familiarity with In-App purchases and google billing api.
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimisation
• Understanding of Google’s Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Familiarity with continuous integration

Responsibilities:

• Translate designs and wireframes into high quality Code.
• Design, build, and maintain high performance, reusable, and reliable Kotlin code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organisation, and automatisation.
• Take Responsibility of a feature and ensure it's completion.

What else we can offer:

• Limitless growth and encouragement to be innovative and challenge status quo.
• Exceptional compensation & benefits and performance-based recognition & rewards.
• Open door policy and flexible working hours and Medical coverage

Roles and Responsibilities

Key Performance Indicators:

Translate designs and wireframes into high-quality code.

1. Design, build and maintain high performance, reusable and reliable Java code.
2. Ensure the best possible performance, quality, and responsiveness of the application.
3. Help in maintaining code quality, organization, and automatization.
4. Participating with the technical team in the execution of projects
5. Preparing the project documentation on its completion.
6. Analyzing defects and fixing it.
7. Maintaining On-time delivery of the projects.

Mandatory Skills:

1. Java, Kotlin, Android Studio, OOP Design, JSON, Retrofit, Firebase
2. Strong knowledge of Android SDK & different versions of Android.
3. Application development paradigms, memory management, and multi-threading
4. Comprehensive understanding of Android application architecture, Activities, Services, Intents, Content Providers and Notifications, Fragments, Application Development life-cycle, Web Apps, and Web View.
5. Excellent communication skills and the ability to communicate with clients at all levels and understand requirements carefully.
6. Familiarity with RESTful APIs to connect Android applications to back-end services.
7. Strong knowledge of Android UI design principles, patterns, and best practices.
8. Experience with offline storage, threading, and performance tuning.
9. Understanding of Google's Android design principles and interface guidelines.
10. A knack for writing clean, readable, and easily maintainable code.
11. Proficient understanding of code versioning tools, such as Git.
12. Excellent attention to detail.
13. Good troubleshooting skills.
14. Basic knowledge of MVVM architecture

About the company

Qrata is hiring for a product based startup. Their product solves homework evaluation for teachers, leading to the elimination of marks/grades, and use AI to foster a more creative generation of children. Remarkable homework app that lets teachers assign objective & subjective homework by choosing from a question bank. It also gamifies homework for students.

Mobile Developer (Flutter)

This role is perfect for a highly-skilled engineer who wants to explore new technologies, push their skills to the limit, have creative freedom, and feel like they have significant ownership of major features.

Role and Responsibilities

• Translate and build the designs and wireframes into high quality UI code.
• Use of Model-View-Controller ( MVC) and Model-View-ViewModel-Controller

           (MVVM)

• Explore possible architectures for implementing new features.
• Resolve any problems existing in the system and suggest and add new features in the complete system.
• Follow the best practices while developing the app and also keeping everything structured and well documented.
• Ensure security guidelines are always followed while developing the app.
• Maintain software through product lifecycle including design, development, verification and bug fixes.

Required Skills

• 3+ years of mobile app development (with 1-2 years in Flutter)
• Experience in Android or iOS
• Experience with Mobile design patterns e.g MVVM, GoF etc.
• Experience in writing secure mobile applications
• Fluent in Git

• Experience interacting with REST based services
• Understanding of software development life cycle
• Strong knowledge of different architecture approaches
• Knowledge of Dart programming language

• Translate designs and wireframes into high quality code
• Design, build, and maintain high performance, reusable, and reliable Java code
• 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