Key responsibilities

As a Senior Android Engineer you will be responsible for:

• Designing, building and maintaining high performance, reusable, and reliable Kotlin code.
• Delivering analysis and development for high performance, reliable, secure and scalable applications.

What you need to succeed

Android tech stack:

• Screens: MVVM + Databinding
• Async one shot: coroutine.
• Async stream: RxJava3
• DI: Manual injection in one project, Koin in another, Hilt in another.
• Tests: Junit5, Kotest, Strikt.
• Persistence: Room, DataStore.
• Crash reporting: Sentry.
• Build system: Gradle 6.5.
• CI: CircleCI, Github.
• Network: Retrofit, OkHttp3, Gson, Moshi.
• Maps: Google Maps in one project, Mapbox in the other.
• App distribution: Firebase.
• Navigation: navigation library combined with a custom solution BFF (backend for frontend) - Ktor (Kotlin), Django (Python), AWS.
• Strong communication skills, written and verbal (English, C1).

Nice to have:

• Critical thinking
• Proactivity and self-organisation

About us

We design, build and scale web and mobile apps with aspiring entrepreneurs, startups and enterprise customers.

• Were a leading digital agency running a number of our own companies (in various industries - mobility, gaming, coffee...) along with working with game changing international startups and Fortune 500 customers
• This unique mix gives us a special perspective and allows us to keep growing and learning about new markets, technologies and libraries
• We support our customers on every step of the way - from a go-to-market concept all the way to blitzscaling and going global
• Our cross-functional teams cover all parts of the process -from market research, business development and strategy, through rapid prototyping and product design, to backend, frontend and mobile development
• Tango has been built on the principles of a supportive, open community - a place where we, its founders, would proudly apply to work ourselves. We’re not a 9-5, clock-punching bunch. We - you and us - are here to build a product you will be proud of, one that scales and shines

Recruitment steps:

• 30-minute call
• Recruitment task (if needed)
• 60-minute call with one of our Senior iOS Engineers

Confidence can sometimes hold us back from applying. However you identify, please apply if this is a role that would make you excited to work in.

If you are living abroad and want to move to Poland-we are happy to help!