Job Title
Senior Software Engineer
Company
UnlikelyAI – Series A neurosymbolic AI startup
Job Description
Join the team building the future of reliable AI by combining LLMs with proprietary symbolic reasoning. You will architect a new public API and platform experience, transitioning bespoke enterprise technology into a scalable product. Work on novel problems at the intersection of probabilistic machine learning and deterministic classical computing for top‑tier financial institutions.
Location
London, UK
Why this role is remarkable
* Work on a unique neurosymbolic stack that bridges the gap between LLMs and deterministic logic, founded by the creator of Amazon Alexa.
* Join a Series A company already delivering high‑stakes solutions to top‑tier financial institutions and accounting firms where accuracy is non‑negotiable.
* Play a pivotal role in a major architectural shift from bespoke customer engagements to a global, scalable public API platform.
What you will do
* Design and build the infrastructure for a new public API, including authentication systems, scalability patterns, and developer documentation.
* Develop symbolic reasoning engines that represent complex regulatory knowledge as machine‑evaluable rules and knowledge graphs.
* Scale document ingestion pipelines and evaluation frameworks to measure and improve system accuracy across diverse enterprise data formats.
Ideal Candidate
* Exceptional Python engineer with experience writing well‑typed, production‑quality code in a collaborative monorepo environment.
* Strong background in complex algorithms and data structures, capable of solving non‑trivial problems in symbolic AI or knowledge representation.
* Proven track record of end‑to‑end ownership, taking brand‑new software systems from ideation through to production in a fast‑paced environment.
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