Senior Android Developer (freelance)

intent
$90 - $180Remote

About The Position

We are seeking a Senior Android Developer with expertise in Bluetooth Low Energy (BLE) and experience in developing applications that interact with physical devices. This is a freelance, time & material position with the potential for a permanent contract and full benefits after an initial three-month evaluation period. Intent has been designing and co-creating connected devices since 2008, working with clients like Oura and BOSE. We are a fully remote, AI-native company of over 60 people.

Requirements

  • 3+ years writing production Android in commercial projects
  • Strong Kotlin skills
  • Hands-on BLE integration experience: real apps talking to real peripherals
  • Jetpack Compose in production
  • Comfort with popular Android libraries: Koin, Hilt, and the modern stack
  • Unit testing discipline (JUnit, Mockito, Robolectric, or similar) with a TDD mindset
  • English at B2+, written and spoken
  • Problem-solving skills
  • High coding standards and an eye on what's new in the Android world
  • Initiative, ownership, and clear communication

Nice To Haves

  • Solid grasp of architecture and design patterns
  • Previous IoT or connected device projects
  • Functional reactive programming (Flow, RxJava)
  • Google Play release experience and Android Auto
  • Agile or Scrum delivery experience
  • Some Flutter experience
  • Genuine curiosity about the things you build

Responsibilities

  • Design, build, and maintain Android apps that communicate with hardware peripherals over BLE
  • Write performant, reusable, and reliable Kotlin code
  • Take part in specifying, planning, and estimating new modules and features
  • Cover your code with unit tests and keep a TDD mindset where it makes sense
  • Review pull requests and give teammates feedback
  • Hunt down bottlenecks and bugs
  • Share what you learn through tech talks, internal docs, or pair sessions
  • Use AI tools as part of your daily workflow

Benefits

  • 90-180 PLN/h net B2B
  • Truly flexible hours
  • Fully remote
  • Access to internal knowledge-sharing: tech talks, experiments, side projects
  • Potential for a permanent contract with a fixed monthly salary, 26 days paid leave, 10 sick days, Saltus medical care, and a training budget after the initial 3 months
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