# Sam Joffe

> Software Engineer @ Gamma

Location: San Francisco, California, United States
Profile: https://flows.cv/samjoffe

## Work Experience
### Senior Software Engineer @ Gamma
Jan 2026 – Present | San Francisco, CA

### Software Engineer II @ Rippling
Jan 2024 – Jan 2026 | San Francisco, CA
Time & Attendance

### Software Engineer II @ Brex
Jan 2023 – Jan 2024
Backend engineer on the Travel team
Part of the founding team that brought Brex travel from 0 to 1.
Worked collaboratively with cross-functional partners, other engineering teams, and external partners to integrate travel seamlessly with the rest of the Brex product.
Built internal tools to help CX teams have visibility into setting up travel for new and existing customers.
Lead for policy conversion, expense matching, webhook integration, API migration projects.
Promoted within 1 year.
Technologies Used: Kotlin, gRPC, GraphQL, PostgreSQL

### Software Engineer @ Brex
Jan 2022 – Jan 2023

### Grader @ Lehigh University
Jan 2020 – Jan 2021
- Help grade assignments and exams
- Hold weekly office hours
CSE 109 (Systems Software) Spring 2020
CSE 262 (Programming Languages) Fall 2020
CSE 340 (Algorithms) Fall 2021

### Teaching Assistant @ Lehigh University
Jan 2020 – Jan 2020
Teaching assistant for Engineering 010 (Applied Engineering Computer Methods) for first-year engineering students, covering MATLAB and Arduino.

### Undergraduate Research Assistant @ Lehigh University
Jan 2020 – Jan 2020
Working with Patrick Skeba in DAS (Design, Algorithms and Society) Lab to model a social network of users on the Bluelight forum, looking for insights into algorithmic privacy, focusing on stylometric analysis. I started in the Spring 2020 semester and worked through the summer and into the fall semester.

As part of the research, I work with a mySQL database and write Python scripts to analyze the data. I use the scikit-learn library to create and analyze ML models.

### Peer Tutor @ Lehigh University
Jan 2019 – Jan 2020
Meet with different groups of students every week to discuss challenging topics from the course and provide help for assignments and exam preparation.
CSE 017 (Programming & Data Structures) Fall 2019
ECO 001 (Introduction to Economics) Spring 2020, Fall 2020
Chosen by the Center for Academic Success

### Software Engineer Intern @ TikTok
Jan 2021 – Jan 2021 | Mountain View, California, United States
TikTok Product backend - Entity Framework team (infrastructure)
- Designed and implemented pagination for API for MySQL storage and RPC client in Golang
- Implement service and storage handling for CRUD requests on MySQL-based storage
- Wrote unit tests to increase code coverage in team’s repository by 20%
- Created a full-stack service with React frontend to allow other developers to manage their data models

### Software Development Engineer Intern @ Amazon
Jan 2021 – Jan 2021 | Cambridge, Massachusetts, United States
Alexa AI Entity Resolution
- Created Entity Resolution Overrides feature in Java
- Brought down time to respond to customer-facing issues from 2-3 days to under an hour

### Software Engineering Intern @ Glimpse (YC W20)
Jan 2020 – Jan 2020
- Worked on frontend (using Socket, WebRTC) for pre-release web app written in React with TypeScript
- Iterated quickly by using user feedback for product decisions and new features to build

### Lead @ Google Developer Student Clubs
Jan 2019 – Jan 2020
- Founded the Lehigh University chapter of Developer Student Clubs
- Host workshops to educate students about Google technologies and development skills
- Helped put on HackDSC, a virtual hackathon for students across the world during COVID-19


## Education
### Bachelor of Science - BS in Integrated Business and Engineering, Computer Science + Economics
Lehigh University
Jan 2018 – Jan 2022

### Los Altos High School
Jan 2014 – Jan 2018


## Contact & Social
- LinkedIn: https://linkedin.com/in/sam-joffe
- GitHub: https://github.com/samjoffe

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