Guilherme Teixeira

- Led DevOps transformations for Fortune 500s, implementing CI/CD with GitHub Actions, Kubernetes, and IaC across global engineering teams. - Rolled out Copilot/OpenAI to 50k+ engineers, cutting PR lead time by 30%. - Developed scalable self-hosted GitHub Actions infrastructure (100K+ daily jobs). - Led Git/LFS migrations, coded API connectors, webhooks and oauth apps. - Conducted DevSecOps/CI/CD/AI enablement. Stack: Go, Rails, GitHub Actions, K8s, Postgres, Terraform, Copilot, Azure OpenAI.

- First engineering hire; grew team from 2 to 20 and platform from MVP to Series-A $9M raise. - Implemented a high availability (99.9% SLA) microservices platform on Azure Kubernetes Service, processing over 1 million daily transactions. - Consolidated three vendor codebases into unified services driving 50% infra-cost savings. - Optimized CI/CD (60% release time reduction). - Bootstrapped React/Storybook design system. Stack: TS, C#, React, NodeJS, K8s, Terraform, Azure.

- Engineered a high-performance image processing microservice that reduced image transformation latency by 90% for all Mercedes Connected Car vehicles. - Architected and coded cloud-native microservices on Kubernetes using Docker, and Terraform. - Developed automotive infotainment apps, integrating real-time navigation and route tracking into client systems. Stack: Java, Spring, Kubernetes, Docker, Azure

- Technical lead on a 50-person account, shaping architectural decisions and system-wide modernization. - Lead of a microservices-based omnichannel retail system, coding POS terminal and e--commerce integrations, impacting over 1000 physical and online stores. - Coded components of a legacy inventory management system, achieving future-proof scalability. - Built a developer portal on Google Kubernetes Engine (GKE), coding tools for service provisioning and observability. Stack: Java, Spring, Google Cloud

- Software design and development to solve complex problems in a Data Center Infrastructure context; - Turn hardware-infrastructure definition into software-defined models; - Deliver software solutions to reduce complexity and time consumption either on customers or factory scenarios; - Help positioning HP as a Top Vendor of a $2 Billion revenue market; - Work in collaboration with 20 cross-geographical and cross-cultural Scrum teams composed of around 400 engineers in an Enterprise business context;

Project and development of a web-flexible framework to integrate a multi-architecture accelerator for option pricer implementations. Under the supervision of Prof. Dr.-Ing Norbert Wehn of the Microelectronic System Design research group. This project has been defended as a bachelor thesis with the advisement of the Dipl.-Ing Christian de Schryver and Leandro Krug Wives, being approved with the maximum score.

Software Engineer and paradigms, Algorithms, Data structures, Logic, Computer architecture, Linear algebra, Calculus, Combinatorics, Operating systems, Compilers, Agile Methodologies, Distributed systems, Computer networking, Computer graphics, Artificial intelligence, Human-computer interaction