Senior Product Engineer · AI products · Frontend systems · UX execution

Martin Ezequiel Gainza Koulaksezian

Senior Product Engineer

Product-oriented software engineer with 7+ years of experience building AI-powered products, scalable frontend systems, and end-to-end user experiences across startups and fast-moving teams.

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About

Product judgment, engineering depth, and UX sensitivity in one execution loop.

Martin specializes in turning ambiguous product ideas into polished, production-ready software. He combines frontend engineering, systems thinking, UX sensitivity, and rapid iteration to move from early product signal to reliable shipped experiences.

AI-powered product interfaces
Scalable frontend architecture
Fast product delivery

Experience

A timeline of product-facing engineering across AI, SaaS, mobile, and games.

Focused roles with a consistent thread: ship usable systems quickly, keep quality high, and close the distance between product, design, and engineering.

Jan 2026 – Present

Senior Product Engineer · Nivia

  • Owned end-to-end frontend architecture for an AI-powered SaaS platform.
  • Built conversational AI interfaces, React Flow graph visualizations, and multi-step onboarding wizards.
  • Led collaboration between design and product while maintaining design-system consistency.

Oct 2024 – Dec 2025

Frontend Engineer · BordoAI

  • Built scalable component systems with Storybook and Radix UI for a large-scale AI chatbot platform.
  • Integrated React Flow for dynamic graph rendering.
  • Shipped with Next.js, Tailwind CSS, and MobX.

Oct 2023 – Oct 2024

React Native Engineer · Cenexel

  • Led frontend development on a production React Native app for a major US clinical organization.
  • Delivered a scalable mobile experience using Expo, React Native Paper, and Zustand.

Apr 2022 – Oct 2023

Product Engineer · Lanista — Multiplayer Browser Game

  • Solo-architected and shipped a full-stack multiplayer browser game end-to-end.
  • Designed a 200-endpoint REST API, MERN stack frontend, and AWS deployment.
  • Took the product from zero to production in 18 months.

Jan 2019 – Oct 2023

Fullstack Developer · Vairix · Flydevs · Globant

  • Vairix: Led architecture and cross-team delivery on a web game through public release.
  • Flydevs: Built a shared React component library as a private npm package across micro-frontend repos.
  • Globant: Shipped API integrations and UI components for a continuous-delivery ML product.

Selected projects

Systems that turn automation, AI, and content operations into usable products.

AI Agent Automation System

Designed and built a personal AI agent system for task orchestration. Implemented conversational command interfaces, multi-step automated workflows, and integrated multiple AI APIs to accelerate development processes.

AI APIsWorkflow automationProduct systems

Word Search Book Generator

Automated content generation system producing print-ready word search books, dynamic layout algorithms, PDF generation pipelines, and configurable word-placement logic in TypeScript.

TypeScriptPDF pipelinesAutomation

Tech stack

Tools selected for speed, quality, and product leverage.

Frontend

Next.jsTypeScriptJavaScriptTailwind CSSReactStorybookZustandSSR

Backend & Infra

Node.jsPostgreSQLAWSREST APIsCI/CDGitHub ActionsGitNestJS

AI Tooling

Figma AIChatGPTCursorCodexGemini CLIMagicPathClaude CodeOpenClawHermes

Soft Skills

LeadershipAdaptabilityCommunicationScrum & Kanban

Languages

Spanish NativeEnglish BilingualPortuguese Intermediate

Education

Systems Engineering · Universidad Tecnológica Nacional

2013 – 2018

Contact

Let’s build fast, useful, AI-aware products with a high bar for execution.

Available for senior product engineering roles, frontend architecture, and AI product execution.

mrtgeka@gmail.commartin-gk.com