DevOps / Application Engineer

Application DevOps Engineer - Python

London - Hybrid

Contract 550 - 650 per day insideIR35

Financial Services Firm is hiring for an experienced Application DevOps Engineer to join a high-performing engineering team supporting critical technology platforms.

This is a hands‑on role focused on Python automation, production stability, application resilience and continuous improvement within a complex, high-volume technology environment. You will work across application, infrastructure and engineering teams to improve the reliability, scalability and operational performance of business‑critical platforms.

• Develop Python-based automation and tooling to improve operational efficiency.
• Support and enhance critical production applications and services.
• Drive improvements across resilience, availability, performance and capacity.
• Manage deployments, releases, production readiness and failover activities.
• Implement monitoring, alerting and observability solutions.
• Troubleshoot complex application, infrastructure and batch‑processing issues.
• Identify root causes and deliver sustainable technical solutions.
• Contribute to CI/CD, automation and wider DevOps and engineering best practices.

• Strong Python development skills, particularly for automation & operational tooling.
• Experience in DevOps, Production Engineering, Platform Engineering or SRE.
• Experience supporting business‑critical, high‑availability applications.
• Good understanding of CI/CD, deployment, monitoring and software development lifecycles.
• Knowledge of distributed systems, resilience, failover and capacity management.
• Strong troubleshooting and analytical skills across applications and infrastructure.
• Excellent communication and stakeholder management skills.
• Proactive approach with strong ownership and problem‑solving capability.

• Financial Services, Capital Markets or Trading Technology experience.
• Exposure to risk, trading or regulatory technology.
• Cloud, containers and modern DevOps tooling.
• Large‑scale distributed or high‑performance computing environments.

CBSbutler is an Equal Opportunities employer and we encourage applicants from all backgrounds.