Michael Buyco

Senior Software Engineer with 12+ years of experience designing and scaling distributed systems, cloud infrastructure, APIs, and full-stack applications. Strong background in PHP/Laravel, Python/Django, Java/Spring, React, Vue.js, AWS, GCP, Docker, Kubernetes, and CI/CD. Experienced in modernizing legacy systems, building high-throughput services, optimizing performance, and delivering production systems at scale.

CTO / Co-Founder - Kaito Tech Solutions

(2025-10)

• Partner with clients to architect and deliver custom software solutions, specializing in full-stack web development and robust API integrations.
• Lead technical strategy and system architecture for the agency, ensuring scalable and maintainable deliverables.
• Manage end-to-end project lifecycles, from requirements gathering through deployment and infrastructure setup.
• Architected and developed an AI-driven outbound sales engagement engine (FastAPI + React + Vite) that ingests CSV prospect data, generates personalized email drafts via Google ADK, and supports a human review-to-send workflow with automated follow-ups.
• Designed a scalable asynchronous microservices pipeline using AWS SQS and a background agent worker to process prospect datasets and manage the stateful outreach lifecycle.
• Provisioned production cloud infrastructure with Terraform and containerized the stack with Docker and Docker Compose, integrating LocalStack for local AWS emulation and testing.

Senior Software Engineer - FoodByUs

(2023-03 - 2025-09)

• Led end-to-end development of a Budget Tracker System, implementing robust APIs and timezone-aware calculations to improve reporting accuracy for 1,000+ restaurant partners.
• Architected, developed, and maintained a scalable Price History Tracking System using Elasticsearch, enabling real-time, low-latency price change monitoring across a catalog of 50,000+ products.
• Modernized a legacy Laravel v5.2 application toward Laravel v11, reducing technical debt and improving maintainability.
• Engineered the H&L POS Integration System, designing secure authentication and seamless synchronization to automate product downloads and reduce manual data entry.
• Enhanced core CRM infrastructure with buyer business rules, dynamic lead-time overrides, and structured personnel management to increase sales-team efficiency.
• Delivered 100+ production-ready features while maintaining 100% test coverage through comprehensive integration suites, minimizing operational downtime.

Senior Software Engineer - Spectrum One

(2022-04 - 2022-12)

• Developed and maintained a HIPAA-compliant serverless data-processing pipeline, enabling integration across health-service platforms to track wellness activities.
• Built and managed a healthcare web platform enabling practitioners to order and manage DNA tests efficiently.
• Migrated a legacy Django application to the latest stable version, mitigating cybersecurity vulnerabilities and improving system stability.
• Managed AWS and GCP infrastructure with a focus on cost optimization and automated deployments.

PHP Developer - Sinch MessageMedia

(2020-11 - 2022-03)

• Developed and maintained the MessageMedia Inbox system, reliably serving 3+ million daily active users.
• Designed low-latency, fault-tolerant distributed systems and scaled infrastructure to handle high-volume messaging traffic.
• Migrated legacy SMS providers to AWS using ECS, Lambda, Fargate, and CloudFormation to achieve high availability and modern cloud standards.

Full Stack Engineer (Contract) - East Bay Prep

(2019-10 - 2020-03)

• Architected MVP infrastructure from scratch using AWS services to launch an initial LMS platform for a U.S. startup.
• Built robust CI/CD pipelines to enforce automated testing and streamline deployment processes.
• Wrote and maintained the team's official coding style guide covering naming rules, file structures, and formatting.

Lead Back End Developer - Botkeeper

(2018-01 - 2019-07)

• Led a cross-functional team of 3 developers to build scalable Node.js microservices on Kubernetes and engineered enterprise API integrations with Xero, QuickBooks, and HubSpot.

Web Developer - Outbounders.com

(2015-07 - 2018-01)

• Led a major system migration from legacy procedural PHP to Laravel and integrated the Vicidial API for contact-center communications.

Web Developer - Lazada Group

(2014-05 - 2015-07)

• Automated competitor pricing checks via web crawling and managed high-traffic e-commerce databases during peak events.

Software Engineer / Training Assistant - Village 88, Inc.

(2012-10 - 2014-04)

• Developed web applications for in-house and external clients and mentored bootcamp students in full-stack development.

Bachelor of Science - Computer Engineering - AMA Computer College Cavite (2008 - 2012)