Guilherme Pimenta
@guilhermepimenta
Senior Full Stack Engineer specializing in scalable backend systems and AI-driven platforms.
BrazilWhat I'm looking for
I am a Senior Full Stack and Backend Engineer with over 10 years building cloud-native, high-performance systems across AdTech, Cloud Infrastructure, Industrial Construction, Enterprise Automation, and Telecommunications.
I specialize in designing maintainable systems using Clean Architecture, SOLID, DDD, and TDD, and I build production-ready APIs and asynchronous pipelines with Python (FastAPI, Django), Rust, and TypeScript (Node.js, Express.js, NestJS).
I have implemented AI agents and orchestration pipelines in production using LangChain and LangGraph, and I manage infrastructure and reliability with AWS, Azure, Terraform, Kubernetes, CI/CD and observability practices.
I deliver pragmatic, test-driven solutions that scale: I have authored hundreds of automated tests, introduced Rust performance services, and architected modular systems enabling independent domain evolution and long-term maintainability.
Experience
Work history, roles, and key accomplishments
Senior Backend / AI Engineer
Stamp
Jan 2024 - Present (2 years 1 month)
Architected and implemented a high-scale AdTech backend using FastAPI, Django and Node.js, building real-time campaign automation and AI-driven decision systems that handle heavy concurrent workloads and large data volumes. Implemented production LLM agents and orchestration with LangChain/LangGraph, enforced TDD with 800+ tests, and managed AWS/Terraform/Kubernetes infrastructure for reliability
Senior Backend Developer
Entri LLC
Jan 2023 - Jan 2024 (1 year)
Built serverless distributed backend systems for large-scale DNS configuration management using Python and Node.js, designed an internal serverless framework with AWS CDK/CloudFormation, and introduced Rust services to improve latency and reduce infrastructure costs. Improved observability and CI/CD quality gates to increase reliability.
Backend Developer
Shape
Jun 2021 - May 2022 (11 months)
Developed backend microservices and modular APIs for industrial construction and offshore operations using Django, FastAPI, Flask and Node.js, implemented RabbitMQ-based asynchronous processing, and optimized relational models on SQL Server and PostgreSQL to ensure transactional consistency and reporting accuracy.
Delivered enterprise productivity and analytics systems using Django, Flask, Node.js and React, built RESTful APIs and chatbot platforms, and created interactive dashboards in TypeScript to improve data visibility and reduce manual workload through workflow automation.
Optimized Oracle databases for carrier-grade telecom systems through indexing and query tuning, and developed Python/Node.js automation tools and internal APIs that reduced manual ticket processing and improved platform stability and data integrity.
Education
Degrees, certifications, and relevant coursework
Universidade Federal Fluminense
Bachelor of Electrical Engineering, Electrical Engineering
2014 - 2022
Completed a Bachelor of Electrical Engineering focusing on core electrical engineering principles and systems between 2014 and 2022.
Tech stack
Software and tools used professionally
Availability
Location
BrazilAuthorized to work in
Job categories
Skills
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