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Member of Technical Staff, Software

Onsite or remote • London+1💼 Full-time🗓 2026-06-24 → 2026-08-15

Core

Building and launching end-to-end features for Ash, an AI-powered mental health support app.

Role type

Senior full-stack software engineer (consumer mobile & backend)

Builds

Mobile app (Dart/Flutter), core backend services (Kotlin), internal tooling (Next.js/TypeScript), and ML evaluation scripts (Python)

Domain

Mental health technology / Consumer AI

Deliverable

product features

Required skills

Full-stack software engineering, Dart/Flutter, Kotlin, Python, Next.js/TypeScript, Rust, gRPC, Kubernetes, Cloud Run, performance optimization, bug diagnosis, cross-functional collaboration

Preferred skills

Realtime or voice feature experience, service-oriented systems architecture, Flutter production experience, ML codebase familiarity

Technologies

Dart, Flutter, Kotlin, Python, Next.js, TypeScript, Rust, gRPC, Kubernetes, Cloud Run

Responsibilities

Design, build, and launch new features across the full stack; refine app reliability, performance, and polish; investigate and resolve bugs to ensure product stability; independently prototype new features based on customer feedback.

Seniority

Senior, hands-on IC

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