Senior Android Engineer

Haystack • United Kingdom
Remote
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AI Summary

Lead the design and development of a high-performance Android SDK using Kotlin and Java. Solve complex engineering challenges involving background processing, sensor data integration, and real-time location tracking. Collaborate with backend and infrastructure teams to optimize system-wide performance.

Key Highlights
High-performance Android SDK development
Complex engineering challenges
Collaboration with backend and infrastructure teams
Key Responsibilities
Lead the design and development of a high-performance Android SDK using Kotlin and Java
Solve sophisticated engineering hurdles involving background processing, sensor data integration, and real-time location tracking
Architect robust, developer-facing APIs that allow external partners to seamlessly integrate mobility and rewards systems into their own apps
Collaborate with backend and infrastructure teams to optimize system-wide performance and ensure rock-solid reliability across thousands of device types
Technical Skills Required
Android development Kotlin Java RxJava Multithreading Asynchronous operations Android architecture components Mobile networking protocols
Benefits & Perks
Competitive salary up to £108,000
Fully remote working environment
Flexibility to manage own schedule
Nice to Have
Experience with Bluetooth
On-device Machine Learning (ML)
Cross-platform environments

Job Description


We're working with a pioneering smart mobility innovator on this exciting opportunity.

This is a rare chance for a high-caliber Android Engineer to build the core SDK powering intelligent transport systems for major cities worldwide. You will dive deep into the Android platform layer, mastering location intelligence, Kotlin, and RxJava to solve complex engineering challenges at massive scale.

The Role

  • Lead the design and development of a high-performance Android SDK using Kotlin and Java that serves millions of global users.
  • Solve sophisticated engineering hurdles involving background processing, sensor data integration, and real-time location tracking.
  • Architect robust, developer-facing APIs that allow external partners to seamlessly integrate mobility and rewards systems into their own apps.
  • Collaborate with backend and infrastructure teams to optimize system-wide performance and ensure rock-solid reliability across thousands of device types.
  • Drive the evolution of mobile architecture, focusing on asynchronous programming and advanced testing practices for a high-stake SaaS platform.

What You'll Need

  • Proven expertise in Android development with a mastery of Kotlin and Java in a professional, commercial environment.
  • Extensive experience with Reactive Programming (RxJava) and a deep understanding of multithreading and asynchronous operations.
  • Hands-on experience building complex mobile systems, such as SDKs, frameworks, or large-scale consumer applications with millions of installs.
  • Solid understanding of Android architecture components (MVVM/MVI) and mobile networking protocols for API integration.
  • Strong communication skills with the ability to support external partner teams during technical SDK integrations.
  • Bonus points for experience with Bluetooth, On-device Machine Learning (ML), or Cross-platform environments.

What's On Offer

  • Competitive salary up to £108,000 based on experience and technical depth.
  • Fully remote working environment with the flexibility to manage your own schedule.
  • The opportunity to work on greenfield features within a socially impactful tech sector focused on green urban mobility.

Apply via Haystack today!


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