Senior Python Backend Engineer - AI Security (Hybrid UK)

Client Server Limited; Greater London; Hybrid; GBP 75,000 - 85,000; Full time

Benefits offered by this job

Pension

Private Medical Insurance

Life Assurance

23 days holiday + birthday

Job summary

Client Server Limited is seeking a Senior Python Developer/Bac

kend software engineer for a hybrid role in London, with WFH options. You will work on a Greenfield project within the R&D team, primarily backend Python, and occasionally Rust, TypeScript, or C++. The position offers a competitive £75k-£85k package, pension, private medical insurance, life assurance, and other benefits. Office presence in London two days a week is expected.

Qualifications

• Advanced Python and backend software engineering experience.
• Strong problem solving and critical thinking skills.
• Willingness to learn and adopt new technologies.
• Experience with AWS, Azure or GCP.
• Some experience with Rust, TypeScript and/or C++.
• STEM degree required.

Responsibilities

• Develop a new Greenfield product in a fast-paced environment.
• Prototyping new ideas and structuring development of existing platforms.
• Work predominantly on backend Python, with exposure to Rust, TypeScript, and C++.
• Collaborate across R&D team to drive continuous improvement and innovation.
• Contribute to design decisions and engineering best practices.

Skills

Advanced Python

Backend software engineering

Problem solving

Learning new technologies

AWS/Azure/GCP

Rust

TypeScript/C++

Software engineering best practices

Education

STEM degree

Job description

Client Server Limited is seeking a Senior Python Developer/Bac

kend software engineer for a hybrid role in London, with WFH options. You will work on a Greenfield project within the R&D team, primarily backend Python, and occasionally Rust, TypeScript, or C++. The position offers a competitive £75k-£85k package, pension, private medical insurance, life assurance, and other benefits. Office presence in London two days a week is expected.