FA
Open to remote roles and selected client workPhilippines · GMT+8

I build intelligent software that earns its place in production.

From product interfaces to APIs, automation, cloud delivery, and LLM workflows, I turn complex requirements into dependable software people can actually use.

Product engineering
Applied AI · Automation

See selected work fratzantigua@gmail.com
01Profile

Breadth matters when it helps you connect the pieces.

Full-stack engineer building production software since 2018 across product interfaces, backend services, automation, cloud delivery, and AI-enabled workflows. Experienced in both fast-moving product teams and large enterprise environments, with a practical focus on maintainability, usability, and concrete business needs.

I'm most useful where a team needs someone who can move from requirements and interface decisions into services, data, automation, and deployment—without losing the thread of why the product exists.

What I bring
01

Owns delivery from discovery and architecture through implementation, release, and iteration.

02

Bridges product engineering, enterprise platforms, workflow automation, and applied AI.

03

Modernizes existing systems without losing sight of reliability, clarity, or operational reality.

How I workDiscovery → delivery
01

Understand the system

Map the user need, operational constraints, and the parts already working before choosing a solution.

02

Connect the layers

Treat interface, service, data, automation, and delivery as one product system—not isolated tickets.

03

Ship for the long run

Favor clear architecture, observable behavior, and iteration paths that the next engineer can understand.

UI → cloud

full-stack range

AI + web

current focus

02Expertise

A connected stack for shipping the whole system.

The strongest capabilities are listed first in each group. Supporting and explored tools stay visible without implying the same depth of production use.

01

Product engineering

Interfaces that feel clear and systems that stay maintainable.

Responsive product experiences, component systems, and frontend architecture connected to real backend behavior.

Core / production-facing

TypeScriptReactNext.jsAngularJavaScript

Supporting / explored

HTML / CSS · Tailwind CSS · Bootstrap · Vite

02

Backend & integration

APIs, services, and automations designed for real operations.

Production services, business integrations, and workflow automation across modern and legacy environments.

Core / production-facing

Node.jsNestJSExpress.NET / C#PythonJavaPHPREST APIsn8n

Supporting / explored

Bash / Shell

03

Applied AI

Model capabilities translated into useful product behavior.

LLM integration, prompt systems, model refinement, and AI-assisted workflows grounded in a concrete user or operational need.

Core / production-facing

OpenAIGoogle GeminiLLM integrationPrompt designModel refinement contributionAI tool research

Supporting / explored

Claude (research) · MiniMax (research)

04

Cloud, data & delivery

The operational layer that helps good software keep working.

Cloud services, databases, CI/CD, containers, collaboration platforms, and the release discipline behind dependable delivery.

Core / production-facing

AWSDockerJenkins / CI/CDGitHubVercelPostgreSQLMySQLOracleSybaseSupabaseAtlassian / JiraPostman

Supporting / explored

Linux

03Experience

Production work across product, enterprise, and modernization.

Four career chapters since 2018, followed by selected client work that shows how the same engineering range translates into focused builds.

2024 — Present

N-Compass TV

Senior Full Stack AI Engineer

Product engineeringRemote

Building streaming-adjacent product experiences across frontend, backend, AI-enabled workflows, and cloud delivery.

  • Deliver web applications across Angular, React, Next.js, Node.js, and .NET product surfaces.
  • Research and integrate practical GPT and LLM capabilities for content and operational workflows.
  • Contribute to model training and refinement to improve relevance and usability of AI-driven outputs.
  • Support AWS, CI/CD, and architecture work aimed at smoother, more reliable delivery.
AngularTypeScript.NETNode.jsNext.jsNestJSAWSDockerOpenAI
View NTV360

2022 — 2024

Accenture

Senior Software Engineer

Enterprise platformsPhilippines

Supported enterprise-scale platform operations, automation, and release workflows inside a large delivery environment.

  • Managed and optimized Atlassian ecosystem tooling in a large enterprise environment.
  • Automated operational workflows with Bash, Python, Jenkins, and Docker to reduce repetitive manual work and support releases.
  • Supported platform stability, migration work, and internal support processes.
PHPAWSJenkinsDockerPythonBashAtlassian
Company site

2020 — 2022

FPT Software

Software Engineer / Automation Tester

Quality & modernizationPhilippines

Worked across automation, migration, and quality engineering for legacy and modernized systems.

  • Built scripting and automation workflows that reduced repetitive manual test effort.
  • Supported Java and Linux migration work with an emphasis on compatibility and continuity.
  • Helped modernize data and deployment workflows across multiple environments.
JavaPythonShellMySQLOracleJenkinsLinux
Company site

2018 — 2021

Alliance Software

Software Engineer

Application developmentPhilippines

Built and maintained business-critical applications with close client collaboration, QA discipline, and legacy modernization work.

  • Developed and improved enterprise and banking-related systems across multiple stacks.
  • Translated direct client requirements into production functionality.
  • Supported testing, deployment reliability, and legacy compatibility.
JavaPHPJavaScriptC#AngularMySQLGit
Company site

03BSelected client work

Focused builds in automation, applied AI, and the web.

These engagements are separated from employment history so scope stays clear. Public details are intentionally limited where client context is private.

AI automation

Client engagement

Autobrand

Full Stack AI Engineer

01

Multi-project delivery spanning invoice automation, AI-assisted internal tools, knowledge workflows, and social content operations.

  • Built an n8n and Documentero invoice workflow covering billing data, aging buckets, account grouping, and document generation.
  • Contributed to chatbot, sales-support, knowledge, and training workflows powered by modern language models.
  • Supported an insurance knowledge hub using React, TypeScript, Supabase, OpenAI, and Google Generative AI.
n8nDocumenteroReactTypeScriptSupabaseOpenAIGeminiPython
Web platform

Selected build

SDMC

Full-stack Web Development

02

A focused, responsive web presence structured around clear service discovery and practical business information.

  • Created a responsive experience with clear desktop and mobile navigation.
  • Structured content and interaction paths around visitor intent.
Next.jsReactJavaScriptCSSResponsive design
Brand experience

Selected build

MCGabriel

Full-stack Web Development

03

A polished client-facing site balancing visual communication, usability, and maintainable frontend structure.

  • Designed clear brand, service, and contact paths.
  • Built reusable sections for consistency and future expansion.
Next.jsReactJavaScriptTailwind CSSUI development
04Contact

Building a product, automation workflow, or AI-enabled tool?

Share the problem, the team context, and where the work is getting stuck. I'm open to remote product roles and selected client engagements where full-stack range is genuinely useful.

Open to remote roles and selected client work

Let's turn the moving parts into a system that ships.

Email is the most direct route. LinkedIn works well for role conversations, and GitHub has the code trail.

Emailfratzantigua@gmail.comLinkedInfratz-antiguaGitHubfratzantigua

Project / opportunity brief

A few useful details are enough to start.