Android Developer (middle) Kyivstar TV

Kyivstar TV is a joint project of 1+1 Media and Kyivstar, launched on December 11, 2019. It is one of the largest OTT platforms in Ukraine, providing access to more than 410 TV channels and a VOD library of over 20,000 movies, series, cartoons, and shows. The platform supports up to 5 personalized profiles across different devices, including smartphones, tablets, laptops, Smart TVs, and set-top boxes. This allows easy switching between adult and children’s profiles and ensures a seamless multi-screen experience. Kyivstar TV is available for all mobile operators in Ukraine and all Internet providers.

Kyivstar TV is looking for a Middle Android Developer to join the team and contribute to the development of streaming products used by millions of users.

Required skills:

• Experience: 3+ years of professional Android development with a strong portfolio of shipped apps.
• Language: Mastery of Kotlin (including advanced features like Context Receivers, Contextual Serialization, and Context Parameters if applicable in Kotlin 2.x).
• Modern UI: Strong proficiency in Jetpack Compose/XML (declarative UI is now a primary requirement). Knowledge of Material 3 (Expressive) and adaptive layouts for various screen sizes.
• Architecture: Deep understanding of Clean Architecture and Unidirectional Data Flow (UDF). Experience with MVVM/MVI patterns.
• Concurrency: Expert knowledge of Kotlin Coroutines & Flow (RxJava is moved to secondary/legacy support).
• Engineering Principles: Strict adherence to KISS, DRY, and YAGNI to maintain a lean and scalable codebase.

Tech Stack:

• Dependency Injection: Hilt.
• Networking & Data: Retrofit, Room, DataStore (KSP-based processing).
• Tools: Git, Android Studio, Kotlin Symbol Processing (KSP).
• Google Play: Full cycle of app publishing and managing releases via Google Play Console.

Will be a plus:

• Media: Deep expertise with Media3 (ExoPlayer), custom decoders, and DRM (Widevine).
• Large Screens: Specialized experience in Android TV / Google TV (Leanback or Compose for TV).
• DevOps: Experience with CI/CD (GitHub Actions, Bitrise) and automated UI testing (Compose Test APIs, Screenshot testing).
• AI Productivity: Proficiency in using AI coding assistants (GitHub Copilot, ktlint, Gemini in Android Studio) to accelerate development.
• System Design & Visualization: Proficiency in creating flowcharts, sequence diagrams, and state diagrams to visualize complex app logic (using tools like Mermaid, Lucidchart, Draw.io, or Miro).

Responsibilities:

• Core Development: Building and maintaining high-performance streaming applications across the Android ecosystem (Mobile, TV, Tablets).
• Solution Design: Architecting scalable solutions and preparing technical documentation (Solution Design Documents).
• Modernization: Gradually migrating legacy XML components to Jetpack Compose and modern architecture patterns.
• Quality Assurance: Preparing and executing Acceptance Test Procedures (ATP), profiling app performance (memory leaks, playback stability).
• Collaboration: Working closely with UI/UX designers and Backend teams to implement complex animations and smooth content delivery.

We offer:

• hybrid work model (at the office and/or remotely);
• paid vacation (24 calendar days) and sick leaves;
• necessary equipment for work and mobile communication;
• corporate training;
• the corporate culture that motivates and charges you with positive energy;
• work in a socially responsible company that keeps track of trends, values employees' ideas and evolves with them.

1+1 Media is one of the largest media businesses in Eastern Europe, with over 25 years of history. The company unites and interacts on a partnership basis with 1+1 Ukraine, 1+1 Marathon, 2+2, TET, PLUSPLUS, 1+1 International, KVARTAL TV, KVARTAL TV International, UNIAN, Bigudi, Comedy Central TV channels; digital resources tsn.ua, unian.net, glavred.info; OTT platform Kyivstar TV and satellite operator Viasat. Furthermore, 1+1 Media has production units, provides rental and dubbing services, and has an educational project, 1+1 Media School.

In our daily work, communication with colleagues and partners, and approach to project implementation, we are guided by corporate values: Courage, Respect and Love, Responsibility, Will, Creativity and Innovation, Audience and Customers, Teamwork, Business and Results.

1+1 Media is an employer whose goal is to bring to life the boldest creative ideas and unite free people for positive change.