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ANGEL MARTIN S. MANALANSAN, DBA, ITIL, LSSGB

SENIOR FULL-STACK AI ENGINEER | AI/LLM APPLICATIONS | CLOUD & DATA PLATFORMS

Pasig City, Philippines | +63 917 149 6988 | amm.circle@gmail.com | GitHub | Portfolio

Professional Summary

Senior software, data, and cloud engineer with 20+ years across application development, enterprise systems, IT operations, consulting, and technical leadership. Hands-on work includes Python and SQL data pipelines, Kafka event streaming, Spark Structured Streaming, Snowflake, dbt transformations/testing, LangGraph agent workflows, OpenAI tool calling, REST APIs, Docker, Terraform, AWS, and CI/CD. Builds AI-enabled and agentic solutions that connect enterprise data sources, automate diagnostics and data operations, enforce governed read-only access, and translate business requirements into secure, production-oriented systems.

Technical Skills

Agentic AI & LLMLangGraph, LangChain concepts, OpenAI tool calling, LLM-powered applications, AI agents, governed diagnostics, prompt/tool workflows, Claude Code, AI-assisted development Data EngineeringPython, SQL, Apache Kafka, Spark Structured Streaming, Snowflake, dbt, data ingestion, validation, deduplication, DLQ patterns, ELT/ETL, data modeling, pipeline testing Cloud & InfrastructureAWS EC2, RDS, S3, Route 53, VPC, IAM, load balancing, Terraform, CloudFormation, Docker, CI/CD, Microsoft Azure; GCP familiarity Full Stack & APIs.NET/C#, ASP.NET Core, FastAPI, Angular, ReactJS, Next.js, Node.js/Express, TypeScript, JavaScript, REST APIs, microservices, JWT, RBAC Databases & AnalyticsSQL Server, PostgreSQL, MySQL, Oracle, DynamoDB, Power BI, Tableau, Telerik Reports, Excel, Python/Jupyter, R, IBM SPSS Engineering & DeliveryGit/GitHub, pytest, automated testing, Agile/Scrum, Jira, SDLC, UAT, technical documentation, monitoring, incident troubleshooting, stakeholder management

Selected Technical Projects

Agentic Data Platform | Independent Engineering Lab

2026
  • Built an end-to-end agentic data workflow using Python, Kafka, Spark Structured Streaming, Snowflake, dbt, LangGraph, and OpenAI tool calling; implemented raw-event ingestion, validation/deduplication, valid/invalid routing, and Kafka DLQ handling.
  • Created governed agent diagnostics against Snowflake analytics data with a read-only SQL tool, destructive-SQL blocking, pipeline-contract checks, and automated pytest coverage; validated live Snowflake integration.
  • Modeled RAW-to-analytics transformations with dbt staging/fact models and automated data tests, demonstrating version-controlled ELT and production-style data quality controls.

Agentic Engineering Lab | FastAPI + Next.js

2026
  • Developed and tested an AI-assisted engineering application using FastAPI, Python, Next.js, TypeScript, and pytest; expanded automated tests and passed the project quality gate.
  • Used Git/GitHub pull-request workflows, structured debugging, and AI-assisted development to improve backend insight-generation logic and engineering reliability.

Healthcare AI Portfolio | MediVoice AI / Doctor Finder / AI Health Demo

2026
  • Built healthcare-oriented AI prototypes spanning conversational retrieval, secure API workflows, RBAC/authorization concepts, patient/doctor search, auditability, and cloud-ready deployment patterns.
  • Applied Python/FastAPI, modern web UI stacks, Docker, REST integration, and AI/LLM patterns to demonstrate practical, domain-focused intelligent applications.

Professional Experience

Senior Software Engineer (Full Stack) | Executive Circle Corporation

Sep 2019 – Present
  • Design, develop, and maintain enterprise applications using Angular, Node.js/Express, .NET/C#, ASP.NET Core, Python, SQL Server, PostgreSQL, and RESTful APIs.
  • Build AI-enabled workflows, automation, data processing, secure authentication/authorization, and cloud integrations; translate business requirements into maintainable application and data architectures.
  • Deploy and operate AWS workloads using EC2, RDS, IAM, VPC/networking and related services; support scalability, monitoring, troubleshooting, security, testing, and Git-based delivery.
  • Lead requirements analysis, solution design, code quality, testing, deployment, technical documentation, and collaboration across business, QA, infrastructure/DevOps, and engineering stakeholders.

IT Consultant & Project Manager | Lockton Philippines Insurance & Reinsurance Brokers, Inc.

Oct 2019 – May 2024
  • Delivered enterprise insurance application/reporting solutions using C#/.NET, ASP.NET Core, SQL Server/T-SQL, Telerik Reporting, and AWS infrastructure; supported reporting reconciliation, data quality, access controls, UAT, and production rollout.
  • Advised stakeholders on technology strategy, requirements, process improvement, migrations, security, documentation, training, and change management.

Associate Professor / Academic Leader | De La Salle-College of Saint Benilde

May 2014 – Apr 2025
  • Taught web application development, databases, information systems, IT infrastructure, project/operations management, and business process improvement; mentored applied technical projects.
  • Led faculty/program planning, curriculum development, academic administration, and accreditation preparation.

Senior Software Development Lead | JPact, Inc.

Mar 2013 – Apr 2014
  • Led architecture, development, testing, deployment, Agile/Scrum delivery, application integrations, production support, code quality, and technical mentoring for enterprise applications.

Applications Analyst | Teekay Shipping Philippines

Sep 2009 – Mar 2010
  • Supported enterprise applications, reporting, enhancements, UAT, integrations, data quality, access control, and operational users.

IT Manager | Yacht Tours Maldives Pvt. Ltd.

Mar 2007 – Oct 2008
  • Managed IT operations, infrastructure, networks, application/database servers, security, vendors, budgets, and hospitality platforms spanning reservations, front office, warehouse, POS, and related integrations.

Earlier Career | Technical Support, Systems Administration, IT Management & Insurance Operations

1994 – 2007
  • Built foundational experience in application support, systems administration, networking, customer technical support, reporting, client management, and team supervision.

Education & Certifications

Updated September 2026 • Web version based on the current Senior Full-Stack AI Engineer resume.