ML Engineer

Stack

Responsibilities

• ▹Investigate at population scale why documents fail, using production datasets and statistical patterns
• ▹Own and evolve the accuracy measurement framework
• ▹Design embedding-based similarity search and recommender systems to fix entity-matching errors
• ▹Forensically investigate deterministic pipeline logic errors such as tax misclassification and rounding
• ▹Build an OCR correction layer using LLMs, an alternative OCR engine, or a HuggingFace correction model
• ▹Hand validated fix designs to C# engineers for production implementation
• ▹Analyze patterns in user overrides to inform future recommendation systems

Requirements

• ▹Hands-on SQL investigation experience
• ▹Ability to read a C# codebase to trace pipeline logic errors

About the company

ApprovalMax is a fast-growing B2B SaaS company that helps businesses automate their approval workflows and financial controls, with a global team of over 150 people across the UK, Europe, North America, Australia, and South Africa. The role is remote for applicants based in the UK, Serbia, or Moldova.