Python Developer - SC Cleared
CBSbutler Holdings Limited trading as CBSbutler
Salary: $65 – $70 per year
Senior Python Developer | SC Cleared | Inside IR35
Location: Bristol - 1 day per week onsite, 4 days remote
Rate: 75-80 per hour (Inside IR35)
Contract: 12 months
Clearance: Active SC Clearance required
We're looking for an experienced Senior Python Developer to join a major project on a 12-month contract.
This is an excellent opportunity for a highly skilled Python specialist with a strong background in performance optimisation, near real-time systems and Kubernetes .
Essential Skills & Experience:
10+ years of professional Python development experience
Strong expertise in performance tuning , profiling and optimisation
Experience developing low-latency, high-throughput systems
Strong troubleshooting and root-cause analysis skills
Experience with event-driven and streaming architectures (Kafka, RabbitMQ, WebSockets)
API development using FastAPI, Flask or Django
Hands-on experience with Kubernetes and Docker
Strong understanding of concurrency, asyncio, multiprocessing and threading
Solid software architecture and design skills
Experience with CI/CD pipelines, Git and Agile environments
Desirable Skills:
AWS, Azure or GCP
Managed Kubernetes (EKS, AKS, GKE)
Performance optimisation using Cython, Rust or C extensions
Reference: WJ-756_370588 · Posted 12 Nov 2026, 12:31 AM