SH

SPENCER HOMMEL

FULL-STACK DEVELOPER | BACKEND & BLOCKCHAIN SPECIALIST

PLAYER PROFILE

Hey! I'm Spencer, a freelance software engineer who builds stuff on the internet — some of it even works!. I've been coding professionally since 2018, starting out in fintech where I learned that when you're dealing with other people's money, your code better actually work!

These days I'm freelancing and it's been a blast - one day I'm building web apps, the next I'm making tiny microcontrollers blink LEDs in fancy patterns, or helping game developers script their latest creation.

When I'm not coding, you might find me behind a bar mixing drinks or in a hot shop blowing glass. There's something satisfying about creating things with your hands, whether it's elegant code or a perfect martini.

ROCK PAPER SCISSORS

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WORK EXPERIENCE

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FREELANCE SOFTWARE ENGINEER
SELF EMPLOYED
FEB 2024 - PRESENT
• Independently managed full contract lifecycle for diverse software projects
• Developed secure web platform for remote desktop access using Django, PostgreSQL, and XPRA
• Delivered embedded microcontroller programming, Godot game engine scripting, and web scraping tools
SOFTWARE ENGINEER
GALAXY DIGITAL
MAY 2023 - JAN 2024
• Maintained production infrastructure supporting large-scale hardware operation with 100,000+ remote devices
• Wrote high-performance, thread-safe Python and Rust code for hardware controllers and network devices
• Developed Grafana dashboards and PagerDuty alerts, reducing site outages by nearly 90%
SOFTWARE ENGINEER
CUSTODIA BANK
AUG 2020 - NOV 2022
• Full-stack development for regulated banking platform supporting fiat and digital assets
• Designed architecture for critical custody infrastructure with Bitcoin and Ethereum integration
• Authored technical documentation and risk assessments for federal regulators
SOFTWARE ENGINEER
FIDELITY INVESTMENTS
SEP 2018 - AUG 2020
• Developed Bitcoin cold storage protocol leveraging pre-signed transactions and deleted private keys
• Co-authored two internal research papers on advanced Bitcoin transaction controls
• Contributed to FCAT's early custody research and open-source software
EDUCATION
SUFFOLK UNIVERSITY
SEP 2019
Bachelor of Science in Computer Science

TECHNICAL SKILLS

PYTHON BACKEND
DJANGO & DRF
REACT FRONTEND
POSTGRESQL
RUST PROGRAMMING
BLOCKCHAIN TECH
DOCKER
API DESIGN
SYSTEM ARCHITECTURE
GITHUB CI/CD
THREAD-SAFE CODE
NODE.JS
EMBEDDED SYSTEMS
BARTENDING
GLASSBLOWING

PROJECTS & PUBLICATIONS

WHOWINS.GG
JUL 2025
Personal project web platform where users predict League of Legends match outcomes by analyzing team compositions using the Riot Games API.
VIEW PROJECT
BITCOIN COVENANTS: THREE WAYS TO CONTROL THE FUTURE
JUN 2020
Co-authored research paper on Bitcoin covenant mechanisms to enhance transaction control and security.
READ PAPER
CUSTODY PROTOCOLS USING BITCOIN VAULTS
MAY 2020
Co-authored research on novel cold storage method using deleted keys and pre-signed transactions.
READ PAPER
AN EXPLORATION OF MENTAL HEALTH STIGMA
FEB 2019
Authored paper analyzing shifts in mental health stigma in New York Times articles over 150 years.
READ PAPER