Senior Python

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05/06/25
East Midlands, Derby
£60k - 70k per year
Permanent
Software Engineering
Full time

Job role

Senior Python Developer // Derby (onsite) // £60,000 - £80,000

This is a senior backend 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 R&D role. It’s about secure, scalable, performant backend 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 Flask
Deploying services to AWS, Azure, or GCP using Terraform and Kubernetes
Mentoring devs, improving CI/CD and DevSecOps pipelines
Managing performance, reliability, and system security
Working with stakeholders across product, DevOps and compliance

What you’ll bring:

Deep knowledge of Python with strong experience in RESTful API design
Cloud-native deployment skills (AWS, Azure or GCP)
Infrastructure-as-Code with Terraform, Docker, Kubernetes
Strong understanding of Agile and DevOps engineering culture
Comfortable leading technical discussions and code reviews

Bonus if you have:

Knowledge of GDS delivery standards
Exposure to embedded or real-time systems
Experience with big data or machine learning backends

Why this role is worth considering:

You’ll shape the direction of digital systems that support national infrastructure
You’ll be joining a company investing heavily in long-term clean energy solutions
Strong engineering culture with clear progression into architecture or leadership
Majority of leadership team are promoted from within

Benefits: