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Haystack

Senior Android Engineer

Haystack
United Kingdom · Full-time · Mid-Senior

Remote working: Hybrid – once monthly office visits to Manchester (may be once weekly in-office if a short commute from the HQ)


About Us

We’re an ambitious, fast-growing company building innovative, user-focused digital products used by thousands of people every day. With a focus on high-quality engineering, collaborative problem-solving, and continuous improvement, we’re now looking for Senior Android Engineers to join the team.


The Role

As a Senior Android Engineer, you’ll play a key role in designing, developing, and maintaining our Android applications. You’ll work closely with product managers, designers, and fellow engineers to deliver features that delight our users and meet our business goals. You'll also have the opportunity to influence architecture, mentor junior engineers, and help shape the future of our mobile offering.


Key Responsibilities

  • Lead the development of new features and enhancements across our Android app(s)
  • Collaborate with cross-functional teams to define, design, and ship high-quality solutions
  • Ensure the performance, quality, and responsiveness of applications
  • Maintain high standards of code quality through code reviews and mentoring
  • Drive improvements in our Android architecture, tooling, and development processes
  • Stay up to date with the latest trends and technologies in mobile development


Requirements

  • 4+ years of professional Android development experience (Senior)
  • Strong proficiency in Kotlin and modern Android development practices
  • Experience with Jetpack Compose, MVVM architecture, and dependency injection (e.g., Hilt or Dagger)
  • Familiarity with RESTful APIs, GraphQL, and third-party libraries
  • Solid understanding of the full mobile development lifecycle
  • Experience writing unit, integration, and UI tests
  • Ability to work independently and lead technical initiatives
  • Excellent communication skills and a collaborative mindset


Nice to Have

  • Experience working with CI/CD pipelines (e.g., GitHub Actions, Bitrise)
  • Previous work in a startup or fast-paced product environment
  • Knowledge of mobile analytics and performance monitoring tools

Key Skills

Ranked by relevance

android restful apis graphql kotlin cicd ui
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Posted
May 08, 2026
Type
Full-time
Level
Mid-Senior
Location
Manchester Area
Company
Haystack

Industries

Technology Information Internet IT Services IT Consulting

Categories

Engineering

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