Nehemias Feliz Ferreras

**Software Engineer

Backend Developer (Python)**

Santo Domingo Este, República Dominicana

[email protected] (829) 795-1446

GitHub: https://github.com/juniornff

Website: https://nehemiasfeliz.com/

TECHNICAL SKILLS

• Backend & Logic: Python (Flask, FastAPI), C#, PHP, Object-Oriented Programming (OOP).

• Data Architecture: SQL Server (T-SQL), MySQL, SQLite, relational schema design, and query optimization.

• DevOps & Infrastructure: Docker & Docker Compose (Containerization) , Linux (Debian), Server Management, Reverse Proxy, SSL, Git/GitHub.

• Web & Networking: RESTful API consumption, WordPress, Networking & Communications, DDNS, MergeFS (Storage Virtualization).

• Languages: English (Bilingual / MESCYT Immersion Program).

ENGINEERING PROJECTS

Smash Bros. Tournament Engine (Fullstack Developer)

Link: https://smash.nehemiasfeliz.com/

• Container Architecture: Orchestrated a multi-container environment using Docker Compose, decoupling application logic (Python/Flask) from data persistence (SQLite) to ensure parity between development and production environments.
• Complex Business Logic: Engineered a tournament engine implementing algorithms for bracket management, player registration, and real-time match result validation.
• Data Modeling: Designed a relational database structure to handle complex relationships between users, tournaments, and combat statistics, utilizing models.py to enforce data integrity.

Scalable Self-Hosted Infrastructure & Media Engine

Link: https://media.nehemiasfeliz.com

• Infrastructure Orchestration: Designed and deployed a containerized ecosystem using Docker and Docker Compose on Debian, managing multiple services (Jellyfin, Shoko, qBittorrent) with a focus on high availability and resource efficiency.
• Network & Security: Implemented a secure external access layer using Caddy Server as a Reverse Proxy with automatic SSL/TLS encryption. Configured Cloudflare DDNS and custom networking to bypass ISP dynamic IP limitations without compromising security.
• Storage & Data Management: Optimized storage utilizing MergeFS for virtual disk pooling and implemented automated content management pipelines, integrating metadata providers (AniDB) through API-driven services (Shoko Server).
• Hardware Optimization: Configured hardware-accelerated transcoding (Intel QuickSync) by mapping device drivers into Docker containers, significantly reducing CPU overhead and improving streaming performance.

PROFESSIONAL EXPERIENCE

IT Operations & Application Support | Feliz Software Solutions SRL | 01/2024 – Present

• Provide Level 2 technical support for enterprise software, diagnosing and resolving incidents in production environments.
• Collaborate on software patch implementation and updates, ensuring high service availability for corporate clients.

Technical Support & Web Maintenance | Barna Management School | 03/2021 – 04/2023

• Web Development: Responsible for the maintenance and updating of the institutional portal (WordPress), optimizing site performance and security.
• Infrastructure: Managed campus network and communication systems, resolving critical hardware and software failures for administrative and faculty staff.

ACADEMIC EDUCATION

• B.S. in Software Engineering

  APEC University

  2019 – 2025

• Associate’s Degree in Software Development (Cum Laude)

  ITSC

  2016 – 2018

CERTIFICATIONS & ACHIEVEMENTS

• CS50’s Introduction to Computer Science

  Harvard University

  2025

• Ibero-American Cyber Security Challenge (Colombia)

  DR Representative - OAS

  2018