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Achievement: Pair ExtraordinaireAchievement: QuickdrawAchievement: Pull Sharkx2Achievement: YOLO

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mcoldibelli/README.md

Marcelo A. B. Coldibelli

Backend Engineer · Distributed Systems

I work on real-time and distributed backend systems. Strong Java background, currently working in C#/.NET and learning Go.

LinkedIn Email Codaline

Currently

Working on a real-time monitoring platform for electronic-security services (alarm, CCTV, access-control, remote-gatekeeping). Part of the job is migrating a legacy Delphi 6 desktop app to C#/.NET and Angular, with the system running 24/7 the whole time.

On the side I'm learning Go and getting deeper into distributed systems: gRPC, Kafka, observability, Kubernetes.

Featured Projects

Project What it does Stack
open-finance FAPI 1.0 API Gateway with mTLS, certificate-bound tokens (RFC 8705), JTI anti-replay, consent lifecycle management and CNAB240/CIP banking reconciliation engine Java 21 · Spring Cloud Gateway · Spring Cloud Config · Spring Batch · Redis · Kafka · Docker · Maven
Biked IoT system that turns a spinning bike into smart connected equipment ESP32 · MQTT · Spring Boot · RabbitMQ

Experience

Real-time security monitoring platform (current)

  • Real-time processing of alarm and sensor events feeding an operator dispatch flow
  • Migrating a Delphi 6 desktop monolith to C#/.NET services + Angular
  • Mostly concurrency, low-latency processing, observability and failure handling

Brazilian fiscal systems

  • NF-e, CT-e and NFS-e generation, signing and transmission
  • PL/SQL stored procedures for fiscal calculation on Oracle
  • Security library shared across Java monoliths (RS256, JWKS endpoint, servlet filters, SOAP handlers)

BPM and workflow automation

  • Backend maintenance and support on a process-automation platform (BPM/RPA) that runs corporate workflows
  • Worked across the platform's microservices and integrations
  • Stack: Spring Boot 3, JDK 11/21, MySQL, Oracle, Docker

Tech Stack

Go C# .NET Java Spring Boot Python Docker PostgreSQL Oracle Redis Kafka ESP32

The more we automate, the more human we must become — Ginni Rometty

Pinned Loading

  1. biked biked Public

    Biked is a Open-source IoT firmware for spinning bikes. Ride smarter, not just harder.

    Java

  2. infra-runners infra-runners Public

    Ansible playbooks to provision and remove GitHub Actions self-hosted runners on Proxmox LXC containers, connected over a Tailscale network.

  3. rpa-holiday rpa-holiday Public

    A RPA solution that reads Excel file and scrapes for holiday data on a website.

    Java

  4. vind vind Public

    Vind — Because great moments shouldn't be buried in long videos. Self-hosted highlight extractor from any URL. Vine is not dead.

    Python