Full Stack Software Engineer (Mobile Apps – React Native / Flutter / Python)
Location: Remote (UK-based)
Employment Type: Permanent
We’re seeking a Full-Stack Engineer to help build seamless, high-performance experiences across web and mobile (iOS + Android), powered by a secure, scalable Python backend on Google Cloud Platform.
You’ll join a small, mission-driven team working at the intersection of AI, human behaviour, and wellbeing, turning advanced technology into something genuinely meaningful.
What You’ll Do
* Build and maintain cross-platform applications using React Native or Flutter, and modern web apps with Next.js.
* Design and develop backend APIs and services in Python using FastAPI or Flask.
* Integrate with GCP components like Cloud Run, Firestore, BigQuery, Vertex AI, and Google ADK.
* Collaborate closely with product, design, and AI/ML teams to deliver intelligent, human-centred experiences powered by a multi-agent AI engine.
* Write clean, modular, testable code in TypeScript and Python.
* Optimize performance, scalability, and security across all platforms.
* Support CI/CD and observability through Cloud Build, Docker, and Cloud Logging.
* Contribute to architecture discussions and help shape the evolving product roadmap.
What You Bring
* 5+ years of experience as a full-stack software engineer.
* Strong skills in TypeScript/JavaScript and Python.
* Proven experience building React Native or Flutter/Dart apps for iOS and Android.
* Proficiency with React / Next.js for web applications.
* Backend expertise with FastAPI, Flask, or Django, plus solid database knowledge.
* Hands-on experience with GCP (Cloud Run, Firestore, BigQuery, Vertex AI).
* Understanding of RESTful APIs and GraphQL.
* Familiarity with Docker, CI/CD pipelines, and Git workflows.
* Working knowledge of testing frameworks like Jest, Playwright, or Pytest.
Bonus Points
* Interest in AI, LLMs, or agentic architectures.
* Experience integrating wearables, IAM, or third-party APIs.
* Understanding of data privacy and compliance (GDPR, ISO27001).
* Appreciation for UX, accessibility, and emotionally intelligent design.
* Background in startups or product-led small teams.