Full Stack Developer (Python/React)

TRITANIUM; Bath; On-site; GBP 50,000 - 75,000; Full time

Job summary

TRITANIUM in the United Kingdom is seeking an experienced Full Stack Developer to evolve the core platform and deliver new digital products, including a patient-facing portal and an emerging AI-driven solution.

You will work across web, mobile and cloud-based systems, taking ownership of architecture, mentoring peers and collaborating with product, DevOps and clinical teams.

Qualifications

• Strong experience building Python-based web applications and services.
• Experience with modern web frameworks (FastAPI/Flask/Django).
• Frontend and backend development skills across web and mobile.
• Knowledge of SQL/NoSQL data stores and data modelling.
• Experience with AWS deployment and security considerations.

Responsibilities

• Design, build and maintain scalable, secure web applications.
• Develop backend services using Python frameworks.
• Build modern frontend apps with React/React Native.
• Work with SQL and NoSQL databases and data modelling.
• Contribute to cloud architecture and DevOps on AWS.
• Mentor other developers and take ownership of complex challenges.

Tools

Python

FastAPI

Flask

Django

HTML5

CSS

MySQL

RabbitMQ

Elasticsearch

MongoDB

AWS

Encryption & Security

Job description

A thriving UK Tech company is on a mission to improve lives across the country. Their secure cloud-based platform helps organisations coordinate and streamline workflows and share information safely.

Their technology integrates with major UK infrastructure systems and supports a wide range of services.

The Role

The organisation is seeking an experienced Full Stack Developer to join a growing engineering team. You’ll help evolve the core platform and contribute to new digital products, including a patient-facing portal and an emerging AI-driven solution.

This is a hands-on role with genuine influence over architecture, technical decisions and product direction. You’ll work across web, mobile and cloud-based systems, collaborating with product, DevOps and clinical-facing teams.

What You’ll Be Doing

• Designing, building and maintaining scalable, secure web applications
• Developing backend services using Python (FastAPI, Flask, Django)
• Building modern frontend applications using React and React Native
• Working with SQL and NoSQL databases, contributing to data modelling and performance optimisation
• Enhancing Electron-based desktop applications
• Building integrations with services and third-party systems
• Contributing to cloud and presentation-layer architecture
• Working with DevOps to deliver highly available systems on AWS
• Taking ownership of complex technical challenges and mentoring other developers

Core (hands-on experience expected)

• Python 3 (with some legacy Python 2.7)
• FastAPI, Flask, Django
• HTML5, CSS
• MySQL

Beneficial experience

• RabbitMQ or other messaging/queueing technologies
• Elasticsearch
• MongoDB
• AWS (deployment, monitoring, scaling)
• Encryption and security technologies (AES, RSA)

You don’t need experience with everything, strong fundamentals and a willingness to learn are valued.

What We’re Looking For

• Strong experience building and maintaining Python-based applications
• Experience developing systems used at scale in production
• Solid understanding of modern web technologies and APIs
• Good knowledge of data security and handling sensitive data
• Experience working in Agile development teams
• Focus on security, reliability and performance

Personal Qualities

• Clear thinker who enjoys solving complex technical problems
• Confident communicator who performs well under pressure
• Collaborative team player who supports others
• Curious, pragmatic and motivated by meaningful impact

Note: We are not able to offer sponsorship for this role and applicants must be eligible to work in the UK. If you have SC Clearance, this is beneficial.