Senior Android Engineer (Remote) — Real-Time Kotlin Expert

Randstad Technologies; City Of London; Remote; GBP 92,000 - 166,000; Full time

Job summary

Randstad Technologies is seeking a Senior Android Engineer for a contract (Inside IR35) role remotely. The candidate will focus on core experience, building in-app messaging and social features, with cross-team mentoring.

Applicants should have 8+ years Kotlin/Android, experience with real-time synchronization and high-performance APIs, and knowledge of agentic tools like Cursor and Claude; nice to have C++ or iOS experience.

Qualifications

• 8+ years of Kotlin/Android development experience.
• Experience with in-app messaging or social features.
• Familiarity with cross-team mentoring.
• Nice to have: C++ or iOS experience.

Responsibilities

• Build in-app messaging and social platform features.
• Provide indirect cross-team mentorship and project leadership.

Skills

Kotlin/Android

Cursor

Claude

Real-time sync

API performance

Job description

Randstad Technologies is seeking a Senior Android Engineer for a contract (Inside IR35) role remotely. The candidate will focus on core experience, building in-app messaging and social features, with cross-team mentoring.

Applicants should have 8+ years Kotlin/Android, experience with real-time synchronization and high-performance APIs, and knowledge of agentic tools like Cursor and Claude; nice to have C++ or iOS experience.