Software Engineer · Backend & Integrations
More than four years building APIs, corporate integrations and web products — from financial workflows in production to open-source developer tooling.
❯ const engineer = new JulioCesar();▍
→ From code to reality.
Toolkit
A production-oriented stack for APIs, modern web interfaces, data and developer tooling.
Python 
PHP 
Laravel 
Symfony 
JavaScript 
TypeScript 
Vue.js 
Rust 
Node.js 
PostgreSQL 
MySQL 
Microsoft SQL Server 
Docker 
Git Selected work
Public projects and anonymized production case studies focused on architecture, resilience and maintainability.
Open source · Developer tooling
A desktop app that detects local projects, understands their stacks and starts development processes with status and logs in one place.
Launched its first public version as an open-source product, with support for PHP, JavaScript, Python and Rust projects.
Production · Financial integration
A resilient file-delivery workflow for banking integrations, designed with dispatcher/worker processing, retries and a dead-letter queue.
Structured logs, correlation IDs and idempotency make failures traceable and safe to recover without duplicate processing.
Portfolio · Full stack
A project and task management application built as a complete Laravel and Vue SPA, with a polished board experience.
Sanctum authentication, authorization policies and 15 automated tests with 47 assertions.
Experience
2023 — now
Backend systems & integrations
Backend services and banking/corporate integrations. API reliability, queues, idempotency, observability, automated tests and gradual modernization of legacy systems.
2022 — 2023
Web applications
Web applications, APIs, SQL features and integrations delivered from implementation through production.
2016 — 2022
Operations & customer relationships
Led teams, operations and customer relationships — experience that now shapes pragmatic engineering and product decisions.
Writing
Practical notes about backend engineering, architecture, production lessons and building products.
Alpha 6 adds database diagnostics, HTTP health checks, confirmed container execution, built-in help, and an experimental macOS package.
A practical way to design integrations that recover from failure without duplicating business operations.
How to replace critical components gradually while protecting current behavior and keeping production stable.
I am interested in remote software engineering roles, technical collaborations and useful products.