Jobs / Summary

Freelance Mortgage Underwriter and AI Trainer

Confidential company · Hamburg · Posted Jul 1, 2026

Public summary

This freelance opportunity involves evaluating and improving AI systems for mortgage underwriting decisions. Tasks include assessing loan types, calculating qualifying income for self-employed borrowers, drafting/regulating approval letters, and documenting compliance with mortgage guidelines and regulations. Ideal candidates have relevant experience in mortgage underwriting or loan origination, strong knowledge of Fannie Mae/Freddie Mac guidelines and U.S. mortgage regulations, and proficient English skills (C1+). This project-based role offers flexible, part-time engagement with compensation up to $60 per hour, dependent on contribution level.

Location and work setup

Location
Hamburg
Remote status
Remote
German requirement signal
No German Required Detected
Detected job language
English

Salary

USD 60.00 - 60.00 hour

Responsibilities

Evaluate AI-generated mortgage underwriting decisions across various loan types including conforming, jumbo, FHA, VA, and cash-out refinance. Create test cases for qualifying income calculations for self-employed borrowers using IRS schedules C, K-1, and E. Draft and audit conditional approval letters and adverse action notices ensuring compliance with Regulation B and ECOA. Distinguish Fannie Mae and Freddie Mac selling guide rules from lender overlays, particularly in jumbo and non-conforming loan scenarios. Clearly document problem statements and provide verified correct answers to improve AI models.

Qualifications

Bachelor's degree in Finance, Economics, Business Administration, Accounting, Real Estate, or a related field. Minimum 3 years of experience in mortgage, lending, real estate, or financial services. Current or recent experience in underwriting, loan origination, or adjacent roles. Proficient in calculating qualifying income for self-employed borrowers from IRS Forms 1040, Schedule C, Schedule E, and K-1. Deep familiarity with Fannie Mae and Freddie Mac selling guides, along with knowledge of Regulation B, Regulation Z, and TRID disclosure timing rules. Strong written English proficiency at C1 level or above.

Skills

Mortgage Underwriting Loan Origination Income Calculation Fannie Mae Guidelines Freddie Mac Guidelines Reg B Compliance Reg Z Compliance TRID Disclosure English Proficiency