Python Developer

CGI Group Inc.

Gloucester

On-site

GBP 60,000 - 90,000

Full time

5 days ago

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Benefits offered by this job

Insurance coverage

Medical benefits

Pension plan

Flexible time off

Share Purchase Plan

Member discounts

Dental benefits

Vision benefits

Profit Participation Plan

Health and Wellbeing Programme

Check4Cancer

Job summary

CGI Group Inc. in the United Kingdom is seeking experienced Python Developers to join our Space, Defence and Intelligence teams. You will design, build, and operate cloud-based, data-intensive systems while working closely with clients in an agile environment.

The role requires strong Python expertise with experience in FastAPI/Flask/Django, RESTful APIs, and AWS. DV clearance is mandatory or eligible. You’ll contribute to scalable architectures, CI/CD pipelines, and live systems across secure

Qualifications

Designing, developing, and maintaining robust Python applications.
Building scalable APIs and backend services.
Working with large datasets and data processing pipelines.
Contributing to system architecture and technical design decisions.
Automating workflows and improving deployment pipelines.
Maintaining and enhancing cloud-based environments (primarily AWS).
Supporting live systems and implementing enhancements when required.
Collaborating with cross-functional teams in agile environments.

Responsibilities

Designing, developing, and maintaining robust Python applications.
Building scalable APIs and backend services.
Working with large datasets and data processing pipelines.
Contributing to system architecture and technical design decisions.
Automating workflows and improving deployment pipelines.
Maintaining and enhancing cloud-based environments (primarily AWS).
Supporting live systems and implementing enhancements when required.
Collaborating with cross-functional teams in agile environments.

Skills

Python

FastAPI

Flask

Django

RESTful APIs

Microservices

Agile

Tools

AWS

Jenkins

GitLab CI/CD

Terraform

Bash

Job description

CGI's Space, Defence and Intelligence business unit focuses on delivering contemporary and innovative technical solutions to government agencies tackling some of the most complex challenges. We design, build, and operate bespoke, mission-critical systems that help keep the UK safe and secure.

We are looking for experienced Python Developers to join our cross-functional teams. Working closely with our clients, you will help design, build, and deliver secure, scalable solutions in a highly rewarding and impactful environment. CGI places strong emphasis on learning and development, ensuring your skills evolve alongside the latest technologies. Our culture promotes innovation, collaboration, and ownership-ideal for motivated self-starters.

Due to the secure nature of the work, these roles require UK Security Clearance and sole UK nationality. Candidates should either already hold DV clearance or be willing and eligible to obtain it.

Candidate profile

As a Python Developer, you will contribute to the delivery of cloud-based, data-intensive systems. Your responsibilities will include:

Designing, developing, and maintaining robust Python applications
Building scalable APIs and backend services
Working with large datasets and data processing pipelines
Contributing to system architecture and technical design decisions
Automating workflows and improving deployment pipelines
Maintaining and enhancing cloud-based environments (primarily AWS)
Supporting live systems and implementing enhancements when required
Collaborating with cross-functional teams in agile environments

We're looking for individuals with a strong problem-solving mindset who can adapt quickly to evolving client needs.

We are particularly interested in candidates with strong Python development experience, alongside exposure to some of the following:

Core Skills

Python (primary language)
Experience with frameworks such as FastAPI, Flask, or Django
Strong understanding of RESTful APIs and microservices architecture

Cloud & DevOps

AWS (e.g. Lambda, EC2, S3, RDS)
CI/CD tools such as Jenkins or GitLab CI/CD
Infrastructure as Code (e.g. Terraform)

Data & Integration

Working with large datasets and data pipelines
Tools such as Apache NiFi or similar integration frameworks

Scripting & Automation

Bash, Ansible

Monitoring & Logging

ELK Stack (Elasticsearch, Logstash, Kibana), Grafana

Testing & Quality

Automated testing frameworks (e.g. PyTest, Cucumber)
Code quality tools such as SonarQube

Experience across multiple areas is beneficial, but not essential. A willingness to learn and contribute across the stack is key.

Candidates must hold, or be eligible to obtain, Developed Vetting (DV) clearance.

Life at CGI

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because…

You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.

Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.

You’ll shape your career by joining a company built to grow and last. You’ll be supported by leaders who care about your health and wellbeing and provide you with opportunities to deepen your skills and broaden your horizons.

That same commitment to fairness extends to how we use technology. To support our recruitment team, AI tools may be used to help assess applications though they never replace human judgement. All hiring decisions remain entirely in the hands of our recruitment professionals.

Come join our team‑one of the largest IT and business consulting services firms in the world.

Discover CGI

London, England, United Kingdom

1000 employees

IT services

We are a global business with 91,500 professionals across hundreds of locations worldwide, providing end-to-end IT and business process services that drive our clients' businesses. In the UK alone, we have around 6,000 member-partners working across 19 towns and cities, doing everything from writing complex code to designing sophisticated software solutions. The work we do powers some of the most ambitious projects that touch the lives of many. Our approach sets us apart, characterised by our proximity model, international presence, expertise, and operational excellence. We organise our operations within metro markets where our clients have concentrated footprints, empowering our local teams to build trusted, in-person relationships. As you build your career here, you’ll develop your skills, share your insights, and work side-by-side with colleagues and clients on innovative solutions that address the most complex issues. Our commitment to ownership, flexibility, and being approachable makes us easy to do business with. Join us, and together, as owners, let's turn meaningful insights into action to meet the needs and balance the interests of our clients, shareholders, communities, and each other.

Benefits