Senior Python Developer Cyber Security

Client Server; Cambridge; 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 plus an additional one

Charity giving schemes

Personal training and development Buds

Job summary

Client Server is seeking a Senior Python Developer to join its Cambridge R&D team, shaping next‑gen AI and cyber security software. You’ll build high‑performance Python backends, with opportunities to work in Rust, TypeScript and C++ across production systems and greenfield platforms.

You’ll join a highly technical, collaborative environment, with hybrid working – office in Cambridge twice a week – and a competitive package including a £80k base and additional benefits.

Qualifications

• Advanced Python and backend software engineering experience.
• Strong problem solving and critical thinking skills.
• Willingness to learn new technologies.
• Experience with AWS, Azure or GCP.
• Some experience with Rust, TypeScript and/or C++.
• Strong knowledge of software engineering best practices.
• Degree educated in a STEM discipline.

Responsibilities

• Develop high-performance Python backend services.
• Collaborate in a small R&D team to take prototypes to production.
• Work with Rust/TypeScript/C++ and cloud platforms as needed.

Skills

Python

Backend engineering

Problem solving

AWS/Azure/GCP

Rust/TS/C++

Software engineering best practices

Education

STEM degree

Tools

AWS

Azure

GCP

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'll 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 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