Guilherme Moczedlo Kadubitzki | Full Stack Engineer

PORTFOLIO ARCHIVE

FEATURED PROJECTS & CASE STUDIES

Explore detailed architectural breakdowns of platforms built across public sector research, independent monorepos, and Python data automation pipelines.

FILTER DOMAIN:

01● LIVE

Public Sector / Social[2025-06] STATUS: shipped to productionperiod: 2024 – 2025

Sistema ELLAS

Collaborative platform built across 12+ public institutions to store, analyze, and share critical data on violence against women.

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a3f8c12feat: state-wide pilot deployment approved2w ago

9e1b047fix: role-scoped encryption edge case1mo ago

c72d3aefeat: FIciências 2025 presentation build3mo ago

[ INSPECT SYSTEM ]

Partner Institutions12+

FIciências Selection2024 & 2025

Adoption StatusState Pilot

Dependencies

TypeScriptNestJSPostgreSQLPrisma ORMNext.jsReactTailwind CSSDocker

Role: Full Stack Developer & Relational Database Architect

02● BUILDING

SaaS[2024-08] STATUS: active developmentperiod: 2024 – Present

Multi-Tenant SaaS Engine

Modular monorepo architecture featuring tenant isolation, asynchronous queues, and automated multi-channel integrations.

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f1a9e34feat: Anthropic Claude integration for AI workflows3d ago

b82c551fix: idempotent webhook retry logic1w ago

7dc0f29chore: Docker multi-stage build optimization2w ago

[ INSPECT SYSTEM ]

ArchitectureMonorepo

Queue EngineBullMQ + Redis

Tenant IsolationMulti-Tenant

Dependencies

NestJSTypeScriptPostgreSQLPrisma ORMBullMQRedisNext.jsDockerGitHub ActionsMercado Pago APIFocus NF-eEvolution API

Role: Sole Creator & Full Stack Architect

03● ARCHIVED

SaaS[2022-09] STATUS: legacy buildperiod: 2022

Munip: Carbon Credit Platform

Digital platform designed to streamline carbon offset transactions between industrial emitters and rural land preservers.

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3bc7d81feat: FIciências 2022 demo build2022

e14a920feat: carbon capture calculator v12022

0f5c348init: project scaffold + DB schema2022

[ INSPECT SYSTEM ]

RecognitionFIciências 2022

AwardFull Merit Scholarship

Dependencies

TypeScriptReactNode.jsExpressPostgreSQLTailwind CSS

Role: Co-Founder & Technical Lead

04● ARCHIVED

Automation[2024-03] STATUS: legacy buildperiod: 2023 - 2024

Polisul Process Automation Suite

Custom data transformation scripts and automated internal reporting pipelines eliminating administrative bottlenecks.

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9a2f17cfeat: executive report auto-generator2024

d5c8b03fix: missing-field resilience in ETL pipeline2024

4e1a769feat: operational bottleneck mapping scripts2023

[ INSPECT SYSTEM ]

Manual ErrorsMinimized

DomainIndustrial Packaging

Dependencies

PythonPandasAutomation ScriptsData ProcessingExcel / CSV Pipelines

Role: Administrative Assistant: Process Automation