Full Stack Engineer

Halian | Managed Services, Recruitment Agency & Contract Staffing; Glasgow; On-site; GBP 60,000 - 90,000; Full time

Job summary

Halian | Managed Services, Recruitment Agency & Contract Staffing is seeking a hands-on Full Stack Developer for a 6-month engagement in Glasgow, with two days per week onsite. You'll own features from design to production across React/TypeScript frontend and Python/FastAPI backend, in a security-conscious healthcare data platform.

You'll work on a modern stack including React, TypeScript, Python, FastAPI, Docker, and cloud deployments, building robust APIs, data schemas, and AI-enabled

Qualifications

• Commercial experience in Python and FastAPI API development and data validation.
• Production experience with React and TypeScript.
• Strong PostgreSQL relational modelling and migrations.
• Experience with automated testing (Pytest, Jest, Playwright or Cypress).
• CI/CD pipelines and cloud deployments (GCP preferred).
• Familiarity with secure authentication (OAuth2/OIDC/JWT) and working with regulated data.

Responsibilities

• Build features across React frontends and FastAPI backends.

Skills

Python

FastAPI

React

TypeScript

PostgreSQL

Pytest

Jest

Playwright

Cypress

OAuth2/OIDC/JWT

CI/CD

Tools

Docker

GCP

Job description

The platform supports sensitive healthcare and medicolegal data, so security, auditability and reliability are central to everything you build.

About the Role

The Opportunity Full Stack Developer | React, TypeScript, Python & FastAPI

• Location: Glasgow (2 days per week onsite)
• Contract Length: Initial 6 months with extension potential

This is a hands-on engineering role where you'll own features end-to-end, from requirements gathering and design through to deployment and production support.

You'll be working on a modern stack consisting of:

• React & TypeScript
• Python & FastAPI
• Docker
• AI and speech-to-text integrations

Responsibilities

What You'll Be Doing

• Building new features across React frontends and FastAPI backend services.
• Designing and maintaining PostgreSQL schemas, migrations and queries.
• Working with a large clinical data model and healthcare-related datasets.
• Developing background processing pipelines for transcription, data extraction and AI-assisted workflows.
• Integrating LLM and speech-to-text services into production applications.
• Implementing secure authentication, authorisation and audit controls.
• Writing automated tests and contributing to a quality-focused engineering culture.
• Deploying and supporting applications on Google Cloud and containerised on-premise environments.
• Participating in code reviews and helping shape engineering standards across the platform.
• Working closely with the CTO and wider engineering team on architecture and product decisions.

Required Skills

We're looking for engineers with commercial experience in:

• Python and FastAPI, including API development and data validation.
• React and TypeScript in production environments.
• PostgreSQL, including relational modelling, schema design and database migrations.
• Automated testing using tools such as Pytest, Jest, Playwright or Cypress.
• Docker and at least one major cloud platform (GCP preferred).
• CI/CD pipelines and modern software delivery practices.
• OAuth2, OIDC and JWT-based authentication.
• Working with confidential or regulated data.
• Strong communication skills and the ability to deliver independently within a collaborative team.

Preferred Skills

Any of the following would be highly beneficial:

• Healthcare systems or healthcare interoperability standards (FHIR, HL7).
• NHS, healthcare, public sector, insurance or other regulated domains.
• Speech-to-text or transcription platforms.
• AI and LLM integrations.
• Retrieval Augmented Generation (RAG) architectures.
• Event-driven systems and asynchronous processing.
• Firebase migrations.
• Accessibility standards (WCAG).
• AI-assisted development tools such as Claude, Cursor or GitHub Copilot.

Additional Information

Why Apply?

• Work on products with real-world impact in healthcare.
• Direct access to technical leadership and architecture decisions.
• Long-term project roadmap with extension potential.
• Small team where your work has immediate visibility and impact.