Available now — contract, consulting & full-time

Resume

Senior Backend Developer & Systems Architect — 20+ years across backend engineering, cloud infrastructure, and IT leadership. Python, FastAPI/Django, and production LLM integration.

Bulgaria · Remote · UTC+2/+3 (EU timezone)

[email protected] LinkedIn GitHub

Experience

20+ years shipping backend systems, infrastructure, and teams

05/2024 – Present

Consultant Backend Developer

Remote — EU Timezone

  • Shipped scalable Python microservices with FastAPI/Django, integrating AI/LLM capabilities via OpenAI SDK and local models (Ollama, MLX)
  • Built ML data pipelines with NumPy, PyTorch, and Pandas for AI-driven backend features
  • Managed PostgreSQL and MongoDB data layers designed for reliability at scale
  • Oversaw AWS infrastructure (EC2, S3, RDS) with Docker and CI/CD automation
Python FastAPI Django OpenAI SDK Ollama MLX PostgreSQL MongoDB AWS Docker
06/2021 – 05/2024

Backend Developer

PDPaola · SASMAT RETAIL S.L — Barcelona, Spain (Remote)

  • Owned an in-house CRM on a PHP e-commerce stack end to end: architecture, database design, and API design
  • Accelerated development with GitHub Copilot as an AI-assisted coding tool across the CRM codebase
  • Integrated Logisfashion logistics systems via asynchronous service communication
  • Built resilient API integrations with token rotation and queue-based processing for high-volume traffic
  • Managed Docker-based deployments and CI/CD pipelines across environments
PHP CRM GitHub Copilot REST APIs Async Integration Docker CI/CD
08/2014 – 06/2019

Systems Manager

Beijing International Bilingual Academy — Beijing, China

  • Managed hybrid infrastructure across on-premise virtualization (Xen, KVM) and cloud, including load balancing and high availability
  • Customized and integrated enterprise collaboration tools (OnlyOffice, WordPress, Nextcloud)
  • Directed cross-functional IT operations and led a team of 4 across all school sections
Xen KVM Hybrid Cloud High Availability Nextcloud Team Leadership
12/2013 – 06/2014

IT Director

Gobe · SoftwareShop — Bogotá, Colombia

  • Led IT strategy and infrastructure initiatives, coordinating development and support teams
  • Oversaw enterprise platform delivery with focus on security and reliability; owned budget allocation
IT Strategy Leadership Budgeting Security
06/2012 – 11/2013

Test Designer

Abits Colombia / AMADEUS Latam — Bogotá, Colombia

  • Designed and executed performance, stress, and security tests on large-scale travel e-commerce backends
  • Identified critical vulnerabilities across pre-test, UAT, and pre-production phases
Performance Testing Security Testing Vulnerability Assessment UAT

Skills

Tools and technologies used in production

Backend & Architecture

Python, FastAPI, Django, RESTful APIs, GraphQL, Microservices, System Design, Third-party API Integration

Data & Storage

PostgreSQL, MySQL, MSSQL, MongoDB, DICOM

AI / LLM

OpenAI SDK, Ollama, MLX, GitHub Copilot, NumPy, PyTorch, Pandas

Cloud & DevOps

AWS, GCP, Hybrid Cloud, Docker, CI/CD, Xen, KVM, Load Balancing, High Availability

Quality & Security

Performance Testing, Stress Testing, Security Testing, Vulnerability Assessment, UAT

Languages: Spanish — Native · English — C1 Fluent

Education & Certifications

MSc — Information Technology Administration

Enterprise architecture, IT governance, and technology strategy

ISC² Certified in Cybersecurity (CC)

Security auditing, threat modeling, and vulnerability management

Information Security Specialist

Secure systems design and security operations

Systems Engineering and Computer Science

Software engineering fundamentals and computer systems

Selected Projects

Products in production, built end to end

CourseCamp

Full-stack Django LMS in active production: course creation, role management, in-browser coding auto-grading engine, analytics, multi-language (EN/ES/FR/AR).

Django LMS

EQBook

macOS AI research workspace running Gemma models 100% locally. NotebookLM-style interface with cited answers. No cloud, no accounts.

macOS On-Device AI

AirCapture

Open-source (GPL) multi-stream AirPlay receiver for macOS: unlimited streams, adaptive grid, MP4 recording, PIN protection.

macOS Open Source

DialogueMap

iPad discussion mapping app that visualizes participation patterns, session replay, and facilitation insights for classrooms and meetings.

iPad Swift

EarnScreen

iOS app that unlocks screen time through motion-verified healthy habits. 100% on-device privacy.

iOS SwiftUI

Let's talk

Immediately available for remote/hybrid engagements in the EU timezone. Book a meeting or send an email to get started.

Schedule a Meeting [email protected]