# Derek R.

> SDE | Founder

Location: New York City Metropolitan Area, United States
Profile: https://flows.cv/derekr

## Work Experience
### Co-Founder & Principal Engineer @ Soapbox Hosting LLC
Jan 2023 – Present | New York, United States
Making podcast hosting and distribution fun and accessible.

### Full-Stack Software Engineer @ Huml Health
Jan 2025 – Jan 2026
Delivered full-stack features end-to-end across multiple repositories in a fast-moving startup environment, from database schema to API to UI: Developed and maintained RESTful and GraphQL API endpoints across authentication, device management, reporting, and patient monitoring domains. Built a real-time Facility Overview Dashboard surfacing metrics such as geofence events, off-body device alerts, low battery warnings, and clinical assessment trends, with role-based access controls for clinical and administrative staff. Led React Native mobile development across core patient-facing and clinician-facing screens, including authentication flows (2FA), device connectivity, and geolocation. Integrated with external EMR and health record systems (Kipu, Ritten) and built data pipelines for wearable biometrics, sleep stage computation, and longitudinal clinical scoring (PCL-5, PHQ-9, GAD)

### Full-Stack Software Engineer @ Huml Health
Jan 2024 – Jan 2025 | New York, United States

### Software Engineer @ One
Jan 2024 – Jan 2024 | New York, New York, United States

### Software Engineer Intern @ Undock
Jan 2023 – Jan 2023 | Brooklyn, New York, United States
Spearheaded the development of various components within an Angular application, utilizing Typescript, Sass, and RxJs to create a seamless and responsive user interface. Orchestrated the creation and implementation of diverse services on the backend API in Typescript. Significantly enhanced the operational efficiency of certain calls by 40%. Conducted comprehensive manual testing of features using NodeJs, ensuring robustness and reliability of the application. Applied best practices in version control, code reviews, and documentation, ensuring the scalability and maintainability of the codebase.

### Business Development Consultant @ Hack.Diversity
Jan 2022 – Jan 2023 | New York, United States
Potential contact identification and outreach; worked recruiting events, reviewed applications for potential fellows, and helped orchestrate fellowship events

### SDE Intern @ Amazon Web Services (AWS)
Jan 2022 – Jan 2022 | Boston, Massachusetts, United States
Implemented production-ready frontend features with some API stubbing in functional Typescript. Also researched and wrote a runbook for operational teams wanting to utilize and extend an internal user analytics service.

### Hack.Diversity Fellow @ Hack.Diversity
Jan 2021 – Jan 2022
Selected into 2022 Hack.Diversity Fellowship, a career leadership and workforce development program integrating Boston’s innovation, corporate, civic, academic, and philanthropic pillars.

### Research Assistant @ Williams College
Jan 2021 – Jan 2021 | Williamstown, Massachusetts, United States
Aided in implementation of Fractal Tree File System (FTFS) in C, including benchmarking file system performance and writing end-to-end tests for correctness.

### Business Development Intern @ Watermark
Jan 2019 – Jan 2019
Organized and refined database of institutions by country, control, type, and other demographics via
Sales Force. Integrated company products with multiple student/learning management systems
(Moodle, Blackboard, Canvas). Aided in automatic software deployment process via Octopus Deploy.

### REACH Program Counselor @ Regis High School
Jan 2015 – Jan 2018 | Greater New York City Area
Worked for six weeks each summer, helping to foster students' academic and leadership skills, monitoring food distribution to ensure students were eating healthily, serving as a teacher's assistant, and teaching an introductory Java elective.


## Education
### Undergraduate in Computer Science
Williams College
Jan 2018 – Jan 2022

### High School Diploma
Regis High School
Jan 2014 – Jan 2018


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

---
Source: https://flows.cv/derekr
JSON Resume: https://flows.cv/derekr/resume.json
Last updated: 2026-03-23