Senior Python Developer Derby (onsite) £60,000 - £80,000This is a senior Back End role for someone who wants to own technical direction on high-impact software that supports the UK''s transition to low-carbon energy.You''ll be leading technical delivery across Python APIs and services used in real-world energy infrastructure; think power grid management, nuclear, and sustainability-focused tech.This isn''t a theory-heavy Randamp;D role. It''s about secure, scalable, performant Back End engineering that enables data to move reliably through critical systems. You''ll help shape the architecture, mentor junior devs, and influence DevOps practices across a growing team.Day to day: Architecting and building secure Python APIs using Django or FlaskDeploying services to AWS, Azure, or GCP using Terraform and KubernetesMentoring devs, improving CI/CD and DevSecOps pipelinesManaging performance, reliability, and system securityWorking with stakeholders across product, DevOps and compliance What you''ll bring: Deep knowledge of Python with strong experience in RESTful API designCloud-native deployment skills (AWS, Azure or GCP)Infrastructure-as-Code with Terraform, Docker, KubernetesStrong understanding of Agile and DevOps engineering cultureComfortable leading technical discussions and code reviews Bonus if you have: Knowledge of GDS delivery standardsExposure to Embedded or Real Time systemsExperience with big data or machine learning backends Why this role is worth considering: ..... full job details .....