# Natan Parmigiano São Caetano do Sul, São Paulo, Brazil - natan.parmigiano@gmail.com - +55 (11) 95412-5910 - in/natanparmigiano - natan.parmigiano.tech ## SUMMARY Principal Level Engineer and Software Architect with 9 years of experience building distributed, real-time systems and 5 years setting technical direction for a 17-person engineering organization. Designed 20+ production platforms on Node.js, Kubernetes, AWS, and GCP, and established architecture standards, observability practices, and CI/CD pipelines adopted across every team. Web Resume: https://natan.parmigiano.tech Portfolio: https://portfolio.natan.parmigiano.tech ## EXPERIENCE ### CTO | Paganini Tech | São Paulo | July 2021 - PRESENT - Ran interviews, hired, and designed the team structure that helped scale the organization from a 3-person operation to a 17-member engineering and delivery team. - Architected and delivered more than 20 production systems spanning internal products, client platforms, and outsourcing initiatives. - Established engineering standards and infrastructure patterns adopted across 20+ projects. - Introduced observability, CI/CD, and platform engineering practices that became organization-wide standards. - Designed and implemented distributed systems leveraging event-driven architectures, message queues, pub/sub patterns, CDC pipelines, and real-time data streaming architectures, processing millions of transactions and supporting large-scale real-time workloads. - Led cloud infrastructure strategy across AWS and GCP using Docker, Kubernetes, Terraform, Pulumi, and CI/CD pipelines, maintaining over 15 production servers. - Participated directly in hiring processes, performance management, roadmap planning, client meetings, and technical pre-sales initiatives. - Continue to lead architecture reviews, incident response, infrastructure troubleshooting, and complex technical delivery initiatives. - Primary stack: Node.js, TypeScript, Vue.js, PostgreSQL, Redis, Kubernetes, AWS, GCP, Docker, Pulumi, Grafana, and AI Systems. Occasionally utilizing PHP, C#, Python, MySQL, DynamoDB, React, and React Native. - Directed organization-wide adoption of engineering best practices by conducting code reviews, implementing static analysis such as ESLint, and successfully implementing practices across all 20+ projects over a 24-month period, in multiple tech stacks. ### Senior Engineer | Paganini Tech | São Paulo | July 2020 - June 2021 - Architected and developed over 5 successfully deployed software products, owning the entire stack from frontend to backend and SDLC and infrastructure. - Led meetings with client stakeholders, acting as the contact point for defining and refining product requirements and validating delivery. - Helped optimize and pinpoint performance issues in database queries and procedures, measurably helping operational stability across different software solutions. - Implemented and enforced SSL and deployment security practices into 4 legacy applications, handling the necessary adaptations and changes to bring a mature security posture to already deployed software. - Successfully deployed, tracked operational performance, and provided key touchstone training inside client organizations for more than 5 software solutions. - Designed and implemented performance-critical components for high-volume real-time data processing systems, capable of processing thousands of simultaneous requests. - Set up the initial cloud infrastructure and environment, personally configuring and deploying more than 6 servers that would become the foundation of the company’s software operations. - Weighed in on transformative stack changes that would set the new standards for future projects inside the organization, pushing the migration to market-leading stack choices and allowing the organization to measurably accelerate the software development process. - Introduced and standardized PostgreSQL, Redis, Docker, Kubernetes, Pulumi, Grafana, and other industry-leading technologies in an organization that utilized Oracle DB and Oracle APEX as the main stack, measurably reducing operational cost and complexity in new projects. - Tackled client challenges in PHP, C#, Java, Python, and mixed codebases, operating as the team’s polyglot programmer and empowering an existing team to deliver value in unfamiliar grounds while keeping confidence high. ### Co-founder & IT Director | Marketing Labs | São Paulo | August 2019 - July 2020 - Started an operation from scratch, scaling to a 5-person team. - Directly negotiated and landed contracts with over 5 clients spanning different sectors, and built a strong network of contacts that would serve as a strong foundation throughout the years. - Provided software development services to companies in the HR, Insurance, Real Estate, and e-Commerce sectors, with services ranging from websites, e-commerce platforms, property management, sales portals, and employee portals. - Delivered 7 custom ERP systems, internal business applications, and end-user-facing applications. - Created and owned the entire stack for solutions that reached large Brazilian organizations through strategic partnerships, 2 of which reached multinational corporations. - Directly coordinated and handled technical execution, client relationships, and operational decision-making. - Managed servers and infrastructure for all published projects. - Implemented version control, SDLC, CI/CD, and the entire development workflow for the organization. - Primary Stack: PHP, MySQL, PostgreSQL, JavaScript, frontend technologies (HTML, CSS). ### Fullstack Developer | Make Acelerador de Vendas | São Paulo | March 2019 - September 2019 - Maintained and modernized legacy PHP applications. - Architected and developed 2 custom ERP solutions in modern PHP frameworks. - Developed pipelines for high-volume marketing data ingestion workflows and real-time reporting. - Supported large-scale client platforms and mission-critical operational systems. - Directly managed and implemented e-Commerce platforms for large enterprise clients. - Direct ownership of the infrastructure and server configuration that supported the 3 applications developed during the contract. - Managed the intranet solution for the company, including a 5-component internal shared storage, collaboration, and task management suite developed in-house based on an open source offering. - Primary Stack: PHP, MySQL, JavaScript, CSS, Vue.js. ### Fullstack Developer | Freelancer | São Paulo | January 2017 - March 2019 - Delivered software development and technical consulting services for 4 clients across web applications, backend systems, and infrastructure environments. - Developed and maintained applications using PHP, JavaScript, MySQL, and Flutter, supporting both new development initiatives and existing production systems. - Diagnosed and resolved complex production issues involving application failures, deployment problems, server outages, and infrastructure misconfigurations across 3 clients. - Performed Linux server administration, web server configuration, application deployment, and operational troubleshooting across diverse hosting environments for 4 live applications. - Assisted businesses in modernizing legacy applications, recovering unstable systems, and restoring service continuity under time-sensitive conditions. - Interacted directly with clients to understand technical requirements, define solutions, and deliver projects independently from conception through deployment. - Built a reputation as a valuable resource for time-sensitive technical problem solving, often engaged to address high-impact issues under aggressive deadlines. ## SKILLS ### Software Architecture & Distributed Systems - Distributed Systems Design - Event-Driven Architecture - Real-Time Systems - Platform Engineering - Microservices - API Design - Scalability & Reliability Engineering - System Integration & Data Pipelines ### Cloud & Infrastructure - Amazon Web Services (AWS) - Google Cloud Platform (GCP) - Kubernetes - Docker - Terraform - Pulumi - Infrastructure as Code (IaC) - CI/CD Pipelines - Observability & Monitoring ### Backend, Frontend & Data Technologies - Node.js - TypeScript - PostgreSQL - Redis - MySQL - MongoDB - PHP - C# - Vue.js - Strong domain over web technologies (HTML, CSS, browser APIs) - Pub/Sub Architectures - Change Data Capture (CDC) - Distributed Caching ### Leadership & Professional Skills - Technical Strategy - Architectural Direction & Reviews - Incident Response Posture - Engineering Standards Proliferation & Evangelization - Cross-Functional collaboration with non-technical teams - Engineering Mentorship & Training - Strong Technical Pre-Sales Experience - Client Engagement - Hiring & Team Development ### Languages - Portuguese — Native Fluency - English — C2 Proficient (Full Professional Fluency) ## EDUCATION ### B.Sc. Computer Science | ABC Federal University São Bernardo do Campo, SP | JAN 2018 - FEB 2020 - Studied Computer Science at UFABC, one of Brazil's leading public universities for STEM education. - Coursework focused on computer science fundamentals, software engineering, algorithms, data structures, and systems design, complementing parallel professional experience in software development and technology consulting. ### Technical Diploma in Information Technology | ETEC Lauro Gomes São Bernardo do Campo, SP | 2017 - Completed a highly competitive technical education program focused on software development, systems analysis, networking, databases, and information technology. - One of the most competitive and renowned technical education institutions in the São Paulo region. ## CERTIFICATIONS ### Information Systems Auditing, Controls, and Assurance - Advanced coursework covering IT governance, risk management, auditing methodologies, controls, and assurance practices. ### Data Engineering - Focused on modern data engineering practices, including ETL pipelines, data warehousing, distributed data processing, cloud data platforms, and large-scale data management. ### Python for Data Science, AI & Development - Covered Python programming for software development, automation, data analysis, and AI workflows, including practical applications using industry-standard libraries and tools. ### Data Science - Covered statistical analysis, data visualization, machine learning fundamentals, exploratory data analysis, and data-driven problem solving using modern data science methodologies.