Senior Python Developer Cyber Security

Client Server; Cambourne; Hybrid; GBP 48,000 - 80,000; Full time

Benefits offered by this job

Pension

Private Medical Insurance

Life Assurance

Enhanced parental leave

Employee Assistance Program

23 days holiday + birthday

Charity giving schemes

Personal training budgets

Job summary

Client Server is seeking a Senior Python Developer in Cambridge to join a Greenfield platform addressing AI-driven cyber threats. You will design and build high-performance Python backends, with opportunities to work in Rust, TypeScript and C++ within a fast-paced R&D team.

You will join a talented group in the Cambridge office, working hybrid twice weekly, with a strong emphasis on engineering excellence, prototyping, and production-ready systems that impact real-world security.

Qualifications

• Advanced Python and backend experience.
• Experience with cloud platforms (AWS/Azure/GCP).
• Degree in a STEM discipline.
• Experience with Rust/TypeScript/C++ is beneficial.

Responsibilities

• Develop high-performance Python backend services.
• Contribute to greenfield platform design and implementation.
• Shape product and underlying technology in a collaborative R&D environment.
• Own features from prototype to production.

Skills

Advanced Python

Backend engineering

Problem solving

Learning agility

Software best practices

Education

STEM degree

Tools

AWS

Azure

GCP

Rust

TypeScript

C++

Job description

Senior Python Developer / Software Engineer Cambridge to £80k

Are you a senior backend focussed Python Developer looking to work on technology at the forefront of AI and cyber security?

You could be progressing your career at one of the world's leading cyber security technology companies, where you'll help develop next generation software that protects organisations from increasingly sophisticated AI driven cyber threats.

As a Senior Python Developer within the R&D team, you'll play a key role in the development of a Greenfield platform designed to defend against emerging AI powered attacks. Working in a highly collaborative engineering environment, you'll take ideas from rapid prototypes through to robust, production ready systems, helping to shape both the product and the underlying technology.

You'll primarily develop high-performance backend services in Python, while also having the opportunity to work with Rust and other modern technologies, choosing the right tools to solve complex engineering challenges. The role offers plenty of scope for technical ownership, innovation and continuous learning within a fast paced R&D environment.

This is an excellent opportunity for an engineer who enjoys tackling difficult technical problems, exploring emerging technologies and building software with real-world impact alongside some of the industry's most talented engineers.

Location / WFH:

You will join a highly talented, diverse team in the Cambridge office twice a week where you can enjoy a great team atmosphere with free lunches and problem solving sessions.

About you:

• You have advanced Python, backend software engineering experience
• You have advanced problem solving and critical thinking skills
• You enjoy learning and picking up new technologies
• You have experience with AWS, Azure or GCP
• You have some experience with Rust, Typescript and / or C++
• You have a strong knowledge of software engineering best practices
• You are degree educated in a STEM discipline

What's in it for you:

As a Senior Python Developer you will earn a competitive package:

• Salary to £80k + Bonus
• Pension
• Private Medical Insurance
• Life Assurance
• Enhanced parental leave
• Employee Assistance Program
• 23 days holiday plus an additional one for your birthday
• Charity giving schemes
• Personal training and development budgets