Python Developer

Ncounter

Latchmere, London, TW10 5HW, United Kingdom

2 weeks ago

£70,000 – £90,000 pa

Salary

£70,000 – £90,000 pa

Posted: 31 Mar 2026 (2 weeks ago)

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Python Engineer – SC Cleared

Ncounter is supporting a high-impact Defence programme seeking a Python Engineer to build and deliver secure, data-driven software solutions. This role combines strong backend engineering with data integration, with a clear focus on Python development in Linux environments. You will work closely with stakeholders across engineering, data and operational teams, helping deliver scalable systems that support critical national infrastructure.

This is a hands-on engineering position where you will design, develop and optimise backend services and data pipelines. You will contribute to technical direction, improve system performance and ensure solutions are robust, maintainable and secure. The environment is highly collaborative, suited to engineers who enjoy solving complex problems and taking ownership of delivery.

Key Requirements:

* Active SC (or higher) clearance

* Strong Python development experience, building production-grade applications

* Experience designing and implementing ETL pipelines and data processing workflows

* Understanding of software engineering best practices such as testing, version control and CI/CD

* Ability to engage with stakeholders and contribute in a consultative, solutions-focused manner

Nice to Have:

* Experience with data intelligence platforms (DataWalk, Palantir, Quantexa etc.)

* Linux experience, including scripting, debugging and system performance tuning

* Exposure to AWS or Azure environments

* Background working within secure, regulated or public sector environments

This opportunity offers the chance to work on meaningful, technically challenging projects within a secure environment, alongside experienced engineers delivering real impact.

If you are a Python Engineer with SC Clearance or eligibility and want to work on complex, high-value systems, please get in touch to explore this further

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