Python Developer

Client Server Limited; Milton; On-site; GBP 59,000 - 72,000; Full time

Benefits offered by this job

pension

private medical insurance

life assurance

enhanced parental leave

Employee Assistance Program

23 days holiday plus birthday

charity giving schemes

personal training and development Bud

Job summary

Client Server Limited in Cambridge is seeking a skilled Backend Engineer to join our R&D team on a new greenfield product aimed at combating AI-based security threats.

You will build and scale complex Python backend systems, contribute to rapid prototyping, and apply best practices across platforms. The role offers a hands-on, fast-paced environment with opportunities to work on Rust and emerging technologies.

Qualifications

• Strong Python backend experience required.
• Experience with AWS, Azure, or GCP.
• Degree in a STEM discipline.
• Proactive problem solving and critical thinking.
• Willingness to learn new technologies.
• Experience with Rust, TypeScript or C++ is a plus.

Responsibilities

• Work within our R&D team on a new greenfield product to combat AI-based security attacks
• Build and develop complex backend systems using Python
• Contribute to rapid prototyping of new ideas and structured development of existing platforms
• Drive continuous improvement and innovation across our products
• Work with Rust and emerging technologies where appropriate, using the right tool for the job
• Solve complex problems and iterate quickly in a rapid development environment

Skills

Python backend

Problem solving

Learning agility

Software engineering best practices

Education

Degree in STEM

Tools

AWS

Azure

GCP

Rust

TypeScript

C++

Job description

Salary: £65,000 - 65,000 per year

Requirements:

• Strong Python backend software engineering experience
• Advanced problem-solving and critical thinking skills
• Willingness to learn and pick up 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:

• Work within our R&D team on a new greenfield product to combat AI-based security attacks
• Build and develop complex backend systems using Python
• Contribute to rapid prototyping of new ideas and structured development of existing platforms
• Drive continuous improvement and innovation across our products
• Work with Rust and emerging technologies where appropriate, using the right tool for the job
• Solve complex problems and iterate quickly in a rapid development environment

Technologies:

• AI
• AWS
• Azure
• Backend
• GCP
• Python
• Rust
• Security
• TypeScript
• Cloud

More:

We are the worlds most advanced cybersecurity technology business, using AI to protect clients across the globe from advanced cyber threats. You will join a friendly, supportive, and highly talented diverse team in our Cambridge office, working there twice a week and enjoying a great team atmosphere, free lunches, and problem-solving sessions. We offer a salary of up to £65k,

• pension
• private medical insurance
• life assurance
• enhanced parental leave
• an Employee Assistance Program
• 23 days holiday plus an additional day for your birthday
• charity giving schemes
• personal training and development budgets

last updated 40 week of 2026