
About Duplex Technologies Services
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We’re building something significant — and we need the right engineer to help us get there.
📋 Role Overview
As an Android Engineer, you will design, build, and maintain high-quality features for our consumer-facing Android application. You’ll collaborate closely with product, design, and backend engineers to deliver experiences that are fast, reliable, and delightful to use.
⚡Key Responsibilities
- Build and maintain robust Android features using Kotlin and Jetpack Compose.
- Design clean, scalable UI with both Compose and XML layouts depending on context.
- Architect features following MVVM principles, ensuring separation of concerns and testability.
- Collaborate with product and design teams to translate specs into polished user experiences.
- Write unit and UI tests; participate in code reviews to maintain quality standards.
- Monitor production performance, debug issues, and ship timely fixes.
- Contribute to architectural decisions and help establish best practices on the team.
✅ Required Skills & Qualifications
- 1–2+ years of professional Android development experience.
- Hands-on experience in high-paced, high-growth production Android applications.
- Proficient in Kotlin— idiomatic, clean, and confident.
- Strong command of Jetpack Compose for building modern declarative UIs.
- Solid XML layout skills— comfortable working across legacy and modern UI systems.
- Deep familiarity with MVVM architecture and Android Architecture Components (ViewModel,LiveData/StateFlow).
- Working knowledge of REST APIs, JSON parsing, and async patterns (Coroutines / Flow).
- Experience with Git and standard collaborative workflows (PRs, code review).
✨ Good-to-Have Skills
- 0–1 experience: built an Android app or key feature from scratch.
- Familiarity with CI/CD pipelines (GitHub Actions, Bitrise, or similar).
- Experience with analytics SDKs, crash reporting (Firebase, Sentry), or A/B testing tools.
- Published apps on the Google Play Store.
AI Usage Policy:
We encourage AI tools (Cursor, Copilot, GPT-4) as force multipliers — but you must own your code, explain trade-offs, and debug without solely relying on AI
- Roles & Responsibilities
- AS OUR NEW SENIOR ANDROID ENGINEER, YOU’LL HAVE THE OPPORTUNITY TO:
- Designing and developing our cutting-edge products, delivered to millions of sports fans around the world.
- Be an essential part of a team working in a fast B2C paste product delivery pipeline.
- Work with the most talented individual on features that cross platforms, languages, and protocols to deliver social engagement to sports fans.
- Learn from the best in the field, and teach others.
- Own the full product feature cycle from being a part of the product brainstorming through all dev cycles and up to take the responsibility for the feature when rolled to production.
- YOU’LL BE SET UP FOR SUCCESS IF YOU HAVE:
- B.Sc. in Computer Science or equivalent.
- At least 4 years of experience in Android Kotlin/Java development.
- Experience with RxJava development.
- Senior-level understanding of design patterns and architectures.
- Extensive knowledge in UI/UX development.
- Verse in 3rd party libraries and solutions.
- Senior-level understanding of server-client fundamentals.
- Senior-level understanding of multithreading.
- Experience in writing unit tests.
- Conduct design and code reviews.
- Strong analytical skills.
- Can-do attitude!
Requirements-
- Experience working with Flutter and Dart is required, as well as a thorough understanding of any other native or cross-platform mobile development frameworks.
- 1+ years of experience with Flutter and Firebase programming and debugging abilities are essential.
- A solid understanding of mobile architecture is required.
- It is preferable if you have experience designing PWA apps.
- Excellent knowledge of MongoDB, REST and JSON, SQLite or Couchbase Mobile, Social API integration, third-party libraries and APIs, and Core location APIs, as well as Google Material Design.
- Third-party API networking and integration
- Knowledge or expertise with any NoSQL database and tools like JIRA, Github, Bitbucket, Trello.

College: IIT, NIT, BITs other Tier 1 colleges
Priority skills: Kotlin, MVP, MVVM, especially Viper, Unit & UI Test, Firebase, Google maps, design patterns, GIT
Responsibilities ( Experience 8-10 years)
Design and development of apps for Android in Kotlin and JAVA
Follow Google user interface guidelines and principles of material design
Ensure performance and maintainability of the apps
Code review and guidance to other team members to make sure code quality is as desired.
Researching new frameworks and adapting the best of them in app development.
Skills Required
Expert knowledge of Kotlin and JAVA
Expert knowledge of Architectural patterns like MVC, MVVM and Clean Architecture.
Expert understanding of Android run time model
Experience with offline caching, threading and task management.
Experience with object oriented design patterns.
Experience with push notifications and Firebase or other similar PaaS systems.
An Eye for design details, following pixel perfect designs.
Experience with 3rd party libraries like okhttp, volley , Soket.io, Realm, Firebase, Facebook, Twitter, Instagram, RX Kotlin/JAVA.
Team management skills.
- Writing clean code.
- Building reusable code
- Leverage native API's for deep integrations with both platforms, diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Architecting and building new apps from scratch.
- Converting existing browser-based applications to mobile.
- Developing high performance multiuser social media networking and analytics centric mobile apps.
- Developing high performance multiuser mobile apps.
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Performing and developing proper unit tests.
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Performing additional duties as determined by business needs and as directed by management.
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Working on bug fixing and improving application performance.
- The ideal candidate will have 2-3 years of experience.
- Entrepreneurial with a founder mindset.
- Ambitious, willing to work hard and invest in building a great career.
- Candidate who care more about what they learn and the impact they make.
- Take ownership of all tasks.
- Believe in work-life integration. passion > work-life balance.
- Must have experience into Android/ IOS Development
- Must have experience into Hybrid apps Development
- Willing to work with cross-platform frameworks
- Experience with consuming REST APIs.
- Experience with Git
Must have technical skills:
- The candidate will possess strong low-level programming skills for building native applications for the following tech stacks:
iOS Platform: XCode, Swift5
Android Platform: Android Studio 3.5, Android Marshmallow, API Level 23 and above, Colin
- Experienced with API Integration.
- Knowledge of application development processes, DevOps, and Agile methodologies
- Knowledge and Experience in Microsoft Azure Cloud will be a plus.
- Working knowledge of SQL queries and use cases
Soft Skills
Good communication skills, quick learner, and ability to work under pressure
Team player with the ability to establish close working relationships with other teams
Should have good logical, analytical & problem-solving skills.
Job Description
We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.
Responsibilities
- Design and build advanced applications for the Android platform
- Collaborate with cross-functional teams to define, design, and ship new features
- Work with outside data sources and APIs
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Requirements
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven software development experience and Android skills development
- Proven working experience in Android app development and
- 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.
- Developing new features and user interfaces from wireframe models
- Ensuring the best performance and user experience of the application
- Fixing bugs and performance problems
- Writing clean, readable, and testable code
- Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions
- (Add any other relevant responsibilities here)









