About the job

Symbolica AI is an advanced artificial intelligence research lab based in London, pioneering the application of category theory to enable logical reasoning in machines. The company is seeking a skilled Software Engineer to take ownership of building and shipping the core Python-based systems that power Symbolica’s applied AI products, including SDKs, APIs, developer libraries, and integrations with inference providers. This role bridges the gap between research and production, transforming innovative prototypes into robust, scalable tools that deliver exceptional performance and reliability. Candidates should have a minimum of 4 years of professional experience in Python development, a strong track record of delivering production-quality systems, and an ownership mindset to lead projects from design to deployment. Experience with machine learning infrastructure, applied AI systems, or developer tooling is highly desirable. The position offers a competitive salary, early-stage equity, and a high-trust, execution-focused culture. This is a full-time onsite role in London, and the company provides Skilled Worker Visa sponsorship for qualified international candidates.