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Opening Move — Strategic Software Engineer

I Build SystemsThat Think.

Software engineer focused on backend systems, AI agents, and polished frontends. Every project is a calculated move — precise, purposeful, powerful.

View My Work →Get in touch ↗
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Board Setup — 02

The Mind Behind
the Moves

I'm Renaldo, a software engineer who treats every problem like a chess match — studying the board, thinking several moves ahead, and executing with precision.

My work spans from robust backend systems and intelligent AI agents to polished, performant frontends. I thrive where complex systems meet elegant user experiences.

3+
Years of experience
20+
Projects shipped
5+
Tech stacks mastered
∞
Coffee consumed
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Pieces & Patterns — 03

My Arsenal

Every piece has a unique power. My skills are no different — each stack plays a distinct, vital role.

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Rooks — Backend

Server & Infrastructure

Rock-solid backends that hold the board together. APIs, databases, cloud infrastructure — the foundation of every system.

Node.jsTypeScriptPostgreSQLRedisDockerAWSRESTGraphQL
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Knights — AI & Automation

Intelligent Agents

Knights move in unexpected ways — so do AI systems. Building autonomous agents, pipelines, and smart automation.

LLMsLangChainPythonOpenAIRAGAgentsAutomationML Pipelines
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Bishops — Frontend & UX

Interfaces & Experience

Diagonal thinking for frontend. Fast, beautiful, interactive experiences that make users feel something.

ReactNext.jsThree.jsGSAPTypeScriptCSSFigmaPerformance
Midgame Tactics — 04

Selected Work

[01]
AI Scheduling Agent
Autonomous agent that manages complex scheduling, resolves conflicts, and learns from user patterns using LLMs.
PythonLangChainOpenAIFastAPI
↗[02]
Real-time Analytics Platform
High-throughput event processing pipeline with live dashboards serving 100k+ events/day without breaking a sweat.
Node.jsTypeScriptRedisWebSocketPostgreSQL
↗[03]
Design System & Component Library
Scalable, accessible component library powering multiple products. Zero external dependencies.
ReactTypeScriptStorybookCSS
↗[04]
Document Intelligence API
RAG-powered API that extracts, classifies, and answers questions from enterprise documents at scale.
PythonLLMVector DBFastAPIS3
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Game Timeline — 05

Career Moves

2021 — 2022
Software Developer
Early Career
Built the foundation. Mastered core web technologies, shipped first production systems.
2022 — 2023
Full Stack Engineer
Universidade do Porto
Academic research, complex system design, distributed systems and AI fundamentals.
2023 — 2024
Software Engineer
Tuamateka
Led product development from zero to production. Built AI automation and scalable APIs.
2024 — Present
Strategic Engineer
Independent
Building intelligent systems at the frontier of AI and software. Agents, automation, high-impact products.
Checkmate — 06

Let's Build
Together.

Have a project in mind? Looking for a strategic engineer? Make your move — I respond within 24 hours.