Heredia Lucas
Heredia Lucas
ES

Heredia Lucas — Heredia Lucas — Heredia Lucas —

Heredia Lucas — Heredia Lucas — Heredia Lucas —

Software Engineer

Building Scalable
Digital Solutions

Résumé
(About me)

Hello — I'm Lucas Heredia. Software Engineer
With experience leading teams, migrating platforms, and optimizing AI-driven workflows. I focus on delivering scalable, maintainable systems that bridge business strategy with technical execution. Currently diving deeper into AI agents and spec-driven development.

Where I've worked

Work Experience

Self-Employed

Freelance Software Engineer

—Self-Employed
Jun 2026 - Present

Currently building AI-first products for clients, integrating LLM agents, MCP servers, and retrieval pipelines into production web and mobile applications. Working with React, Next.js, React Native, TypeScript, and Node.js alongside frontier AI tooling like LangChain, LangGraph, OpenAI, Claude, and Gemini. Applying spec-driven development, context engineering, and evaluation practices to ship reliable AI features. Managing architecture, cloud infrastructure (AWS, Firebase), VPS deployments, and end-to-end delivery for multiple clients.

AI AgentsMCPLangChainNext.jsReact NativeAWS
Fundswin

Senior Software Engineer

—Fundswin
Feb 2026 - May 2026

Unblocked a critical module stalled for over 6 months, enabling the release of 3 key investors. Led database migration and restructuring, managed deployments across all environments. Optimized AI agents through spec-driven development (MCP + rules). Automated workflows and contributed to infrastructure and design decisions.

AI AgentsMCPDatabase MigrationAWS
AppWise Innovations

Chief Technology Officer (CTO)

—AppWise Innovations
Feb 2025 - Feb 2026

Participated in client acquisition, presenting technical solutions and closing deals. Led end-to-end delivery of digital products from requirements to production. Designed development workflows, selected tech stack, and defined best practices. Bridged business strategy with technical execution.

Technical LeadershipProduct StrategyTeam Management
Wow Web Group

Freelance Developer

—Wow Web Group
Nov 2024 - Jun 2025

Handled VPS deployment, server configuration, and domain management. Developed and optimized web apps using Next.js with SSR and SSG. Refactored project structure focusing on code standardization and component reusability. Met delivery deadlines while improving workflows and team efficiency.

Next.jsVPSSSR/SSGCode Architecture
Ikatech Solutions

Software Engineer

—Ikatech Solutions
Oct 2023 - Sep 2024

Worked on multi-repo projects for international clients. Documented entire Google Cloud project at technical and product levels. Proposed and implemented new technologies (Zustand, GraphQL, Nivo). Developed Django endpoints with thousands of active users. Led migration of a legacy Python platform to React.js and GraphQL.

DjangoReactGraphQLGCPZustand
Kimche

Software Engineer

—Kimche
Jun 2022 - Jun 2023

Implemented real-time notification system using AWS SNS and WebSockets. Developed infinite scroll with GraphQL for optimized performance. Documented Docker and Windows OS setup in Confluence. Built a student search engine with first app animation using React.js, Sequelize, and Node.js. Implemented a script library integrating GitHub and Confluence.

AWSWebSocketsGraphQLReactNode.js
Self-Employed

Freelance Software Engineer

—Self-Employed
Oct 2020 - Jun 2022

Delivered and scaled web and mobile applications for multiple clients using React, React Native, Next.js, TypeScript, Node.js, MongoDB, Firebase, AWS, and modern cloud technologies. Modernized legacy systems through technology migrations, improving performance, maintainability, scalability, and overall user experience. Managed end-to-end project delivery, including architecture design, development, infrastructure setup, VPS deployments, performance optimization, and resolution of complex production issues.

ReactReact NativeNext.jsTypeScriptNode.jsAWS

What I've built

Projects

What I work with

Skills & Technologies

Languages

JavaScript
JavaScript
TypeScript
TypeScript
Python
Python
SQL
SQL
GraphQL
GraphQL

Frontend

React
React
Next.js
Next.js
Astro
Astro
HTML5
HTML5
CSS
CSS

Mobile

React Native
React Native
Expo
Expo
Xcode
Xcode
Android Studio
Android Studio

Backend

Node.js
Node.js
Django
Django
Postman
Postman

Databases

MySQL
MySQL
PostgreSQL
PostgreSQL
MongoDB
MongoDB
Redis
Redis
Qdrant
Qdrant

AI & Automation

LangChain
LangChain
LangGraph
LangGraph
MCP
MCP
n8n
n8n
Zapier
Zapier
Ollama
Ollama
Hugging Face
Hugging Face

Tools & Others

Git
Git
GitHub
GitHub
Docker
Docker
AWS
AWS
Linux
Linux

AI & Tools

OpenAI
OpenAI
Claude
Claude
Gemini
Gemini
DeepSeek
DeepSeek
Mistral
Mistral
Grok
Grok
Cursor
Cursor
Antigravity
Antigravity
OpenCode
OpenCode

Always learning

Leveling up in the new way of coding — spec-driven development, agent harnesses and context engineering. Continuously updating my workflow as these practices evolve.

Spec-Driven DevelopmentAgent HarnessesContext EngineeringMCP ServersRules & SteeringSubagentsAI EvalsPrompt Engineering

Let'sworktogether

Phone

(+54) 381 6483196

Location

Argentina

Heredia Lucas

Argentina