Professional Summary
AWS Certified Solutions Architect Professional with over 6 years of experience in designing, developing, and maintaining scalable, cost-effective enterprise applications. Proven expertise in system architecture, CI/CD automation, and full-stack development using Python (Django), Java (Spring Boot), and React. Acknowledged for driving innovation and reducing infrastructure costs in fast-paced, agile environments.
Core Technical Skills
Cloud & DevOps
AWS (EC2, S3, RDS, Lambda, Fargate, etc.), GitHub Actions, Jenkins, Docker, NGINX, Terraform, Crowdsec, Caddy, Keycloak, Wireguard, Grafana, Loki, Prometheus, Celery, RQ, Datadog
Languages
Python, Java, JavaScript/TypeScript, SQL, C, C#, Shell Scripting
Frameworks
Django, FastAPI, Spring, React, Vue.js, Node.js, Angular, ASP.NET
Databases
PostgreSQL, MySQL, DynamoDB, MongoDB, Redis, NeptuneDB, InfluxDB
Operating Systems
Linux (Debian, Ubuntu, Fedora), FreeBSD (OPNsense), Windows
Development Process
Agile, Scrum, Kanban, Waterfall
Work Experience
May 2022 – Present
Software Engineer | Associate Manager ERP Applications
DXC Technology | Quezon City, PH
- Served as the subject matter expert for AWS and GitHub Actions, architecting scalable system designs for key organization-wide initiatives.
- Developed and deployed full-stack Python (Django), Celery, RQ, React, and PostgreSQL applications, including RESTful API endpoints, to meet client and business needs.
- Led initiatives that successfully reduced infrastructure and application costs by optimizing cloud resource allocation and refactoring legacy systems.
- Actively participated in the hiring committee, interviewing and evaluating candidates for technical roles to build a high-performing team.
- Recognized with the company's "Bayani" (Championship) and "Huwaran" (Role Model) employee awards for exceptional performance and leadership.
- Orchestrated a key ETL and analytics project that automated the learning and enrollment process, leading to a 98% reduction in manual data processing time.
- Implemented Custom Single Sign-On middleware for Okta and CSOD (Cornerstone OnDemand).
May 2020 – April 2022
Software Engineer | Core Tech R&D Engineer
Trend Micro | Pasig City, PH
- Designed, architected, and deployed 3 containerized microservices (1 Python serverless, 2 Java Spring Boot) which automated critical business processes.
- Enhanced security and performance for 5 existing systems, and achieved significant cost optimization by migrating services to AWS Serverless (Lambda, Fargate).
- Maintained and supported 11 tightly-coupled systems utilizing Java, Python, MySQL, Vue.js, AngularJS, Docker, and a wide array of AWS services.
- Trained new hires on OWASP Secure Coding best practices, improving the overall security posture of the development teams.
June 2019 – April 2020
Software Engineer | R&D Engineer
Questronix Corporation | Makati City, PH
- Developed an Extract, Transform, Load (ETL) service using Python and PostgreSQL for Power Corporation, streamlining data processing and integration.
- Maintained and improved the company's in-house marketing and sales portal applications using Vue.js (front-end) and Node.js (back-end).
- Pioneered the development of the Qymera Developer Portal, a RESTful API platform, from conception to launch, enabling new integration capabilities for clients.
Personal Projects & Homelab
Self-Hosted Application Server
Designed and maintained a home server lab running Debian 13 and Fedora 42, utilizing Docker Compose to manage a suite of self-hosted applications including Frigate and the 'arr' stack.
High-Performance ZFS Storage Array
Manage a TrueNAS SCALE server with 128GB RAM for centralized storage, configured with an Intel Optane SLOG and Samsung 990 Pro L2ARC to optimize ZFS performance for media and application data.
High Performance Network Setup with OPNsense
Engineered a high-performance network infrastructure using OPNsense firewall with comprehensive VLAN segmentation. This implementation ensures secure network isolation between different services and devices while maintaining optimal throughput and low latency for critical applications.
Precision NTP Server
Built a Stratum 1 NTP server using u-blox NEO-F10T GNSS timing module connected to a Raspberry Pi 5. This setup provides microsecond-accurate time synchronization for the home network, showcasing expertise in precision timing protocols and embedded systems integration. View real-time performance metrics: 24-hour | 7-day
Certifications
AWS Certified Solutions Architect – Professional
Valid until 2026
AWS Certified Solutions Architect – Associate
Valid until 2026
Education
Bachelor of Science in Computer Science
Polytechnic University of the Philippines
Graduated May 2019 • Dean's List • Committee Member, ASCII