Python Developer (mid-level) - Cambridge - £55-70,000

Salt; Cambridge; Hybrid; GBP 55,000 - 70,000; Full time

Job summary

Salt in Cambridge is seeking a mid-level software engineer with at least 2 years of commercial Python experience. You will join an AI & Cyber Security focus, working hybrid with 2 days in the office, tackling R&D projects and building production-grade software.

You’ll contribute to architecture decisions, collaborate across teams, and mentor colleagues while applying Python, C++, Rust or JavaScript in security-focused problems.

Qualifications

• Minimum 2 years of commercial Python coding experience.
• Proficiency in Python with exposure to C++, Rust or JavaScript.
• Experience with Docker and cloud environments.
• Knowledge of software architecture and design principles.
• Familiarity with CI/CD and Git; security awareness a plus.

Responsibilities

• Lead and contribute to technically challenging R&D projects.
• Design and build production-quality software.
• Help shape technical direction and architecture.
• Work across teams and mentor other engineers.
• Explore new ideas and turn prototypes into scalable solutions.

Skills

Python

C++

Rust

JavaScript

CI/CD

Git

Docker

Cloud environments

Software architecture

Cybersecurity

Tools

Docker

Cloud environments

Job description

Mid-level (2 years min commercial Python coding experience) - Cambridge | Hybrid – 2 days a week in office | £55,000–£70,000

Python with C++, Rust or JavaScript, Hybrid (Cambridge), CI/CD, Git, Docker.

An exciting AI & Cyber Security technology business in Cambridge are growing their R&D team.

You’ll be working on some genuinely interesting problems across AI, cybersecurity and software engineering, helping build technology that detects and responds to new and evolving cyber threats.

What you’ll be doing

• Lead and contribute to technically challenging R&D projects.
• Design and build production-quality software.
• Help shape technical direction and architecture.
• Work across teams and mentor other engineers.
• Explore new ideas and turn prototypes into scalable solutions.

Skills:

• Python, C++, Rust or JavaScript
• Docker and cloud environments
• Software architecture and design
• CI/CD and Git
• Cybersecurity, malware analysis or statistical analysis

You’ll need to be comfortable working independently, tackling complex problems and taking ownership of your work.

Python with C++, Rust or JavaScript, Hybrid (Cambridge), CI/CD, Git, Docker.