Nathaniel Lew P. Aquino

Software Engineer
nathaniellewaquino@gmail.com(+63) 976 460 6207Imus, Cavite, PHregistry.jsonresume.org/nathanielaquinoLinkedIn

Professional Summary

Experienced Software Engineer with 8 years of expertise in Python, FastAPI, Odoo, and DevOps. Adept at building secure, scalable backend systems and APIs, with a strong understanding of OAuth2, SSO, and API key authentication. Skilled in customizing Odoo, developing custom modules, and integrating it with external systems to create seamless solutions. Proficient in managing infrastructure, including Nginx for reverse proxy and load balancing, and PostgreSQL for efficient data storage. Well-versed in modern DevOps practices, including automation, deployment, and monitoring, to ensure reliable and scalable services. Passionate about integrating third-party services and optimizing backend performance to meet the dynamic needs of businesses.

Professional Experience

Backend Developer III

Quantrics Enterprises, Inc.
Mar 2026

Development and maintenance of Network Programmable Engine and Material Ordering System.

  • Improve compliance of code repositories to quality gates, from 20% to 100% compliance.
  • Integration of Network Programmable Engine with latest ticketing system for seamless operations.
  • Maintenance of Robotic Process Automation (RPA) for Material Ordering System

Calculation Automation Developer

Comrise, Inc.
May 2024 - Feb 2026

Developing and maintaining UK pension and benefits calculation automation.

  • Designed automated bulk pension calculation workflows, reducing manual errors by 80%.
  • Optimized legacy scripts for efficiency, improving computation speed by 20%.

Software Engineer L4

Eastvantage Business Solutions, Inc.
Sep 2019 - Apr 2024

Designs and implements API solutions for internal and external integrations while ensuring system reliability, scalability, and efficient deployment. Led initiatives in DevOps, performance optimization, and on-call engineering to improve system uptime and support continuous delivery.

  • Architected and developed scalable microservices in distributed systems, ensuring seamless integration across services.
  • Canonical API Architecture with an Anti-Corruption Layer, reducing complexity for client enablement by 80%
  • Implemented CI/CD pipelines, reducing deployment time by 50%, enabling faster feature delivery and more reliable releases.
  • Migrated a monolithic codebase into modular services, enhancing maintainability through principles like Loose Coupling, High Cohesion, Backward Compatibility, Semantic Versioning, and Single Responsibility Principle.
  • Optimized API performance, reducing response times from 20-60 seconds to subsecond-2 seconds, significantly improving user experience.
  • Led proof-of-concept (POC) for new technologies and integrations to stay ahead of industry trends.
  • Optimized database queries, reducing API response time by 40%, ensuring faster data access and enhanced service performance.
  • Managed production systems and provided on-call engineering support, troubleshooting critical issues and ensuring system availability and uptime.
  • Collaborated with cross-functional teams to maintain a robust DevOps culture, emphasizing automation, monitoring, and proactive incident management.

Junior Programmer

Prodatanet, Inc.
Aug 2017 - Aug 2019

Developed Odoo modules to enhance company operations, including CRM, Accounting, and RADIUS Management.

  • Integrated Odoo with RADIUS Server, improving AAA management for ISP customers.
  • Developed and customized Odoo to support business operations

Education

Cavite State University

Bachelor of Science in Information Technology
Jun 2013 - Jun 2017

Professional Skills

AI & LLM:

AI Agent Development, Generative AI Integration, Retrieval-Augmented Generation (RAG), Prompt & Context Engineering, Multi-Agent System Design, AI Workflow Orchestration, Local/On-edge LLM Deployment, Self-hosted AI Platforms

Backend Development:

FastAPI, Tornado, Python, Odoo/OpenERP, Celery, Pydantic

Database & Storage:

PostgreSQL, Redis, Kafka, SQLModel, SQLAlchemy

DevOps & Cloud:

Docker, Kubernetes, GitLab CI/CD, Poetry, AWS, Openshift, Grafana, NewRelic, Kibana, Nginx

Testing & Documentation:

Swagger, Tavern API Testing, Locust, PyTest

Mentorship:

Provided technical guidance and decision-making support to junior and co-senior engineers, fostering growth and knowledge sharing.

Problem-Solving:

Demonstrated strong troubleshooting skills, especially during on-call rotations and system failures.

Communication:

Effectively communicated technical concepts and ideas to both technical and non-technical stakeholders.

Time Management:

Managed multiple projects with competing deadlines, ensuring timely and quality delivery.

Collaboration:

Worked closely with DevOps, product, and QA teams to ensure continuous delivery and system optimization.

Agile Collaboration:

Actively participated in Agile and SAFe Agile ceremonies including sprints, retrospectives, and planning sessions, ensuring efficient project delivery.

Projects

Polylithic with Code Versioning

Migrated a monolithic codebase to polylithic repositories

  • Implemented GitLab monorepo strategy to modularize code.
  • Managed dependency resolution using Poetry.

Business-to-Business API Integration

Developed robust API integrations with multiple business partners to enhance system interoperability.

  • Designed REST APIs using FastAPI and Tornado.
  • Managed microservices deployment with Kubernetes.
  • Improved API documentation using Swagger.
  • Canonical API Architecture with an Anti-Corruption Layer

Log Aggregation

Centralized microservices logs for real-time monitoring and debugging.

  • Implemented an ELK stack (ElasticSearch, Logstash, Kibana) for log storage and visualization.
  • Reduced debugging time by 50% through structured log management.

Odoo Solution

Designs and implements Odoo Solution

  • CRM
  • Accounting
  • Sales
  • Helpdesk
  • Subscriptions
  • Project Management

Languages

English:

Professional Proficiency

Filipino:

Native Speaker

Professional Interests

Music

: Listening to various genres, Exploring new artists, Instrumental and electronic music

Gaming

: Strategy games, RPGs, Competitive multiplayer, Game mechanics analysis, MOBA

Dogs

: Raising and training dogs, Understanding dog behavior, Pet care and nutrition

Science

: Space exploration, Physics, Cutting-edge technology, AI and machine learning

References

Available upon request