AI Software Engineer - Secure, High‑Impact Systems

311 Garrison Technology Ltd; Greater London; Hybrid; GBP 59,000 - 97,000; Full time

Benefits offered by this job

Competitive salary

Hybrid work environment

Generous benefits package

Job summary

Everfox is seeking a versatile AI Software Engineer who thrives in unfamiliar codebases and moves quickly across diverse projects. You’ll build AI-driven features, enhance workflows with modern AI tools, and collaborate across teams to deliver high-quality, maintainable software.

You will work in a hybrid London-based environment, contributing to responsible AI, secure data handling, and scalable solutions while adopting best practices and CI/CD workflows.

Qualifications

• Degree in Computer Science or related field, or equivalent practical experience.
• 4+ years of professional software development experience with a track record of shipping reliable software.
• Experience with agentic coding tools (e.g., Claude Code, Codex) and building custom extensions.
• Strong in at least one programming language and able to learn others quickly.
• Solid CS fundamentals: data structures, algorithms, concurrency, networking, APIs, testing, and basic security.

Responsibilities

• Implement and maintain features across varied languages, frameworks, and internal codebases.
• Add AI capabilities to products: model/API integration, prompt and context design, retrieval, orchestration, and supporting infrastructure.
• Build evaluation, automated testing, and guardrails for measurable AI behavior.
• Utilize AI tooling and agentic workflows to speed up development, testing, documentation, and reduce manual effort.
• Prototype quickly to de-risk ambiguous or complex problems.
• Ramp up fast in unfamiliar systems—map components, ask good questions, and contribute early.
• Collaborate across teams to deliver clean, maintainable handovers.
• Share knowledge and tooling to improve engineering practices across the organization.

Skills

Computer Science fundamentals

Agentic coding tools

Programming languages

Code comprehension

Clear communication

Security clearance readiness

Education

Degree in Computer Science or related field

Tools

GitLab

Docker

Python

Job description

Everfox is seeking a versatile AI Software Engineer who thrives in unfamiliar codebases and moves quickly across diverse projects. You’ll build AI-driven features, enhance workflows with modern AI tools, and collaborate across teams to deliver high-quality, maintainable software.

You will work in a hybrid London-based environment, contributing to responsible AI, secure data handling, and scalable solutions while adopting best practices and CI/CD workflows.