Senior Full Stack Engineer: Cloud FinTech (Python/AWS/React)

Experis UK; Reading; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Experis UK is seeking an experienced Senior Full Stack Developer to join our fintech team in Reading. You will help design, develop, and scale a cloud-native platform, bridging backend services with modern frontend applications and cloud infrastructure.

You will work with Python, AWS, React, and container technologies to deliver scalable, reliable software. The role emphasizes CI/CD, TDD, and engineering best practices in an Agile environment.

Qualifications

• Extensive experience designing backend services with Python and cloud-native architectures.
• Strong experience with AWS, containerization, and CI/CD tooling.
• Hands-on experience with React/TypeScript for frontend development.
• Experience with Docker, Kubernetes, Terraform, and CloudFormation.
• Familiarity with Agile (Scrum/Kanban) and Test-Driven Development (TDD).

Responsibilities

• Design, develop, and maintain robust backend services and RESTful APIs using Python.
• Build scalable, secure, and high-performance solutions using frameworks such as FastAPI, Django, or Flask.
• Develop event-driven architectures and microservices to support platform growth.
• Build and enhance modern, responsive user interfaces using React and TypeScript.
• Collaborate with UX/UI teams to deliver intuitive user experiences.
• Ensure frontend applications are optimised for performance and scalability.
• Design, deploy, and manage cloud-native solutions within AWS.
• Implement scalable architectures leveraging serverless and container-based technologies.
• Ensure security, reliability, and operational excellence across cloud environments.
• Package and deploy applications using Docker.
• Support container orchestration and environment consistency across development, testing, and production.
• Drive best practices in infrastructure automation and deployment processes.
• Develop and maintain automated build, test, and deployment pipelines using Jenkins.
• Promote continuous integration and continuous delivery practices.
• Enable reliable, low-risk deployments with minimal downtime.
• Infrastructure as Code using: Terraform, AWS CloudFormation
• Experience with Kubernetes and container orchestration platforms.

Skills

Agile methodologies

Test-Driven Development

Code reviews

Architecture decisions

Problem solving

Collaboration

Tools

Python

AWS

React

FastAPI

Django

Flask

TypeScript

Docker

Jenkins

Terraform

AWS CloudFormation

Kubernetes

Job description

Experis UK is seeking an experienced Senior Full Stack Developer to join our fintech team in Reading. You will help design, develop, and scale a cloud-native platform, bridging backend services with modern frontend applications and cloud infrastructure.

You will work with Python, AWS, React, and container technologies to deliver scalable, reliable software. The role emphasizes CI/CD, TDD, and engineering best practices in an Agile environment.