RobertoLima
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RobertoLima
RobertoLima
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Selected work

Products I've built & shipped

From a company I founded to open-source infrastructure and client platforms — across Rust, Python and the JavaScript ecosystem.

Founder

ImmutableLog

A security, audit and event observability platform built on a private, permissioned cryptographic ledger. Observe, detect, audit and prove in a single pipeline: every event is hash-chained and verifiable through Merkle proof of inclusion.

  • Rust
  • SIEM
  • Cryptography
  • Observability
LiveDetails
Open Source

Gizé

A productivity-first backend framework for Rust that removes the day-one tax of a new backend. Scaffolds production-ready projects and generates full CRUD — models, migrations, services, handlers and tests — with Axum + SQLx, keeping the code readable and yours.

  • Rust
  • Axum
  • SQLx
  • Code Generation
Live
Open Source

Memorust

An open-source, in-memory key-value store written in Rust. Speaks the Redis RESP protocol (works with redis-cli), with TTL/expiration and AOF persistence — built to be readable and learn from.

  • Rust
  • Tokio
  • RESP
  • Redis-compatible
LiveGitHub
Client

BEON Studios

SmartFit Group's high-end ecosystem that unifies its boutique studios — Aera Pilates, Vidya, Velocity, Jab House, Race Bootcamp and more — under a single brand, app and website. In production, serving real users across hundreds of studios.

  • Next.js
  • Django
  • AWS
Live
Client

FRST Falconi

A platform to solve business challenges and deliver business-focused content — a spin-off of the Falconi Group consultancy.

  • Django
  • Next.js
  • Microfrontends
  • AWS
Details
Client

Plannejar

A personal finance platform with an intuitive dashboard to track income, expenses and investments, plus AI-assisted financial analysis.

  • Next.js
  • Django
  • AWS
  • AI
Details
Client

Emannar

A platform connecting people to therapies, events, services and personal-development courses on a self-knowledge journey.

  • Next.js
  • Django
  • AWS
Details
Client

Next Intake

An all-in-one platform to organize a study trip to Canada — courses, visa, housing, insurance and translation — with a cashback loyalty program.

  • Next.js
  • Django
  • AWS
Details
Client

Proprietário Direto

A platform to buy, sell and rent properties directly between owners — no intermediaries. Migrated from a Laravel monolith to microservices.

  • PHP
  • Lumen
  • React
  • MongoDB
Details

Open source

Published libraries

Packages I maintain on crates.io, PyPI and npm — several with a native Rust core for performance, plus everyday Python utilities.

crates.io9Profile
gize🦀 Rust

The Gizé CLI: productivity-first backend framework for Rust.

v0.8.9Sitecrates.io
gize-core🦀 Rust

Core domain model, conventions and manifest for the Gizé framework.

v0.8.9crates.io
gize-generator🦀 Rust

Code generation engine for Gizé: safe file writing and template rendering.

v0.8.9crates.io
gize-db🦀 Rust

Data-layer conventions and SQLx migrations for Gizé.

v0.8.9crates.io
gize-macros🦀 Rust

Procedural macros for Gizé, kept intentionally small.

v0.8.9crates.io
gize-openapi🦀 Rust

OpenAPI spec generation for Gizé.

v0.8.9crates.io
gize-admin🦀 Rust

Admin UI generator for Gizé: a React SPA scaffolded from the manifest.

v0.8.9crates.io
gize-templates🦀 Rust

Templates for code generated by Gizé.

v0.8.9crates.io
gize-testing🦀 Rust

Test utilities for Gizé-generated applications.

v0.8.9crates.io
PyPI15Profile
rust-py-rate-limit🦀 Rust

Fast local rate limiting for Python, powered by Rust.

v0.2.2SitePyPI
rust-py-cache🦀 Rust

An ultra-fast local cache for Python, powered by Rust.

v0.2.3SitePyPI
rust_py_scheduler🦀 Rust

Lightweight, performant task scheduler with a Rust core — interval & cron jobs, retries and framework integrations.

v0.2.3SitePyPI
rust-py-monitor🦀 Rust

High-performance monitoring for Django & FastAPI apps with a Rust core.

v0.4.3SitePyPI
rust-py-audit🦀 Rust

Fast, tamper-evident event auditing (hash chain) for Python apps, with a Rust core.

v0.3.3SitePyPI
smart-time-py

Advanced date & time manipulation for Python.

v1.3.1PyPI
text-cleaner-for-py

Text cleaning and processing utilities.

v1.5.1PyPI
excel-toolkit-for-py

Read, manipulate, validate and export Excel files.

v1.4.1PyPI
SmartLogs

Smart logger with colors, file output and log levels.

v1.1.2PyPI
SmartTestPy

An intelligent testing framework for Python.

v1.3.2PyPI
SmartSecurityPy

Password hashing, encryption and JWT utilities.

v1.0.1PyPI
SmartJsonPy

Smart JSON validation, cleaning and conversion.

v1.1.1PyPI
TaskFlowPy

A simple, efficient task manager for Python projects.

v0.2.0PyPI
scrapy-html

Scraper returning full HTML, tags, classes and attributes of a URL.

v1.4.2PyPI
pdf-to-img-converter

Convert PDF files into images.

v0.1.1PyPI
npm8Profile
rust-node-monitor🦀 Rust

Lightweight Node.js monitoring powered by Rust.

v0.2.0Sitenpm
rust-node-rate-limit🦀 Rust

Ultra-fast rate limiting for Node.js powered by Rust.

v0.2.0Sitenpm
rust-node-cache🦀 Rust

Ultra-fast in-memory cache for Node.js powered by Rust.

v0.2.0Sitenpm
calc-array

Helpers to compute values over arrays — sum, average and more.

v1.1.7npm
cpf-cnpj-email-validator

Validators for Brazilian CPF, CNPJ and email.

v1.4.2npm
address-br

Brazilian address utilities — lookup and formatting.

v1.5.6npm
currency-br

Brazilian Real (R$) currency formatting and parsing.

v1.2.1npm
calc-simple-npm

A simple calculator module for everyday arithmetic.

v1.4.2npm

Copyright @ 2026 Roberto Lima

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