Python Developer

Python Developer - Banking (Contract until 30/11/2026 with potential extension)

Sheffield | Hybrid | 3 days onsite per week

A major banking client is seeking a hands‑on Python Developer to build automation, APIs, and containerized services that power large‑scale database operations. This is a long‑term contract with strong potential to extend.

What You'll Do

Design automation solutions for database operations and rollout workflows

Build and integrate APIs using Python & FastAPI for database management

Troubleshoot automation issues across scripts, APIs, and containerized environments

Containerize and deploy services using Docker & Kubernetes

Administer Kubernetes resources (Pods, Ingress, Services, Secrets, CRDs, etc.)

Required Skills

Python API development with FastAPI

Strong problem‑solving, debugging, and analytical capability

Experience with Docker and Kubernetes deployments

Understanding of Kubernetes resource administration

Nice to Have

Observability tooling: Prometheus, Grafana, OpenTelemetry

Exposure to enterprise tools: Control‑M, TrueSight, Guardium, Tenable Nessus, Delinea

Knowledge of security practices in regulated environments

CI/CD lifecycle understanding (build, package, test, deploy)

Experience with Agile tools (JIRA)

HashiCorp Vault for secrets management

Exposure to PostgreSQL or MongoDB / MongoDB Atlas

GCS is acting as an Employment Business in relation to this vacancy