# Martin Han

> Senior Software Engineer at Vanta

Location: Los Angeles Metropolitan Area, United States
Profile: https://flows.cv/martinhan

⚠️ Impersonation Alert

Someone is impersonating me using the email martin.m.han6@outlook.com and referencing my LinkedIn profile. I do NOT use this email address. Any job applications or communications sent from it claiming to be me are fraudulent and should be treated as fake. Please disregard and report any such outreach.

## Work Experience
### Senior Software Engineer @ Vanta
Jan 2023 – Present

### Senior Software Engineer @ Lob
Jan 2022 – Jan 2023
Teams: Partner Management and Tools, Routing and Delivery
▪ Built APIs and systems that improved the scalability and efficiency of our mail routing system and print partner network

### Software Engineer @ Lob
Jan 2021 – Jan 2022
Teams: Core Services, Print and Mail API
▪ Led execution of key infrastructures, integrations, and migration to general availability of Webhooks V2 system
▪ Shipped a new mail product that increased sales volume by 4M letters per month for a strategic enterprise customer
▪ Led an internal work group to improve our engineering onboarding process

### Software Engineer @ Care3, Inc.
Jan 2019 – Jan 2020 | Los Angeles Metropolitan Area
As a full stack software engineer, I impacted every aspect of the codebase and lead projects across our technical stack:
▪ Shipped core features to the messaging platform such as survey messages and template care plans
▪ Increased throughput of the job consumer worker 5x
▪ Built an internal feature flagging tool that enabled the team to easily customize user experience
▪ Delivered various UI improvements to web, iOS, and Android platforms

Technologies Used:
▪ Node.JS, React, Java, Objective-C, SQL

### Senior Analyst @ DaVita Medical Group
Jan 2015 – Jan 2018 | Los Angeles Metropolitan Area
▪ Created SQL program that tracked the sickness level of a medical group’s senior patient population according to CMS’s national risk adjustment algorithm
▪ Built SQL-based medical claims audit tool to help a medical group identify and recover money from claim discrepancies
▪ Developed machine learning patient risk stratification model utilizing various data sources to save a projected $1-2M annually through prevented hospital admissions

### Analyst @ DaVita Medical Group
Jan 2014 – Jan 2015 | Los Angeles Metropolitan Area

### Strategy Analyst @ CarMax
Jan 2013 – Jan 2014 | Richmond, Virginia, United States
▪ Developed a Python and SQL-based system that saves $1M annually by notifying stores when a retail car downgrades to wholesale so it can be arbitrated to its vendor before selling at a loss
▪ Built a preliminary inventory assignment algorithm that optimizes car diversity at stores by accounting for additional vehicle qualities such as mileage, price, and options


## Education
### Bachelor of Arts in Economics
Northwestern University


## Contact & Social
- LinkedIn: https://linkedin.com/in/martinmhan

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Source: https://flows.cv/martinhan
JSON Resume: https://flows.cv/martinhan/resume.json
Last updated: 2026-03-22