Thaís do Nascimento Lima

Back-end Software Engineer with 5+ years of experience building scalable and high-performance systems using Python. Strong expertise in FastAPI, asynchronous programming, and distributed systems, with a focus on clean architecture and maintainability. Proven track record of optimizing systems and pipelines, significantly improving performance and developer productivity.

Experienced in leveraging AI tools (such as ChatGPT, GitHub Copilot, and Gemini) to accelerate development, improve code quality, and explore better solutions.

Mid Level Software Developer at Toro Investimentos (Santander Corretora) (2024-12 – Present)

Mid Level Software Developer at Toro Investimentos

• Rewrote a legacy Flask and outdated Python service into FastAPI + Pydantic using Python 3.12
• Identified performance bottlenecks and optimized database queries in the "Reports" module of our project, significantly reducing latency and CPU usage
• Detected a major bottleneck and optimized the CI/CD pipeline of one of the project's services, reducing execution time from 45 minutes to 7 minutes, which accelerated development cycles
• Introduced UV as package manager and led the upgrade of dependencies and Python version (3.9 → 3.12), improving performance, maintainability, and development workflow
• Developed new features and resolved bugs across multiple services

Systems Analyst at PontoTel (2021-04 – 2024-12)

Systems Analyst at PontoTel

• Led the design and implementation of scalable integrations with external client systems
• Defined architecture patterns and ensured reliability across multiple integrations
• Designed, developed, and maintained critical REST APIs integral to these integrations
• Main technologies: Flask, FastAPI, MongoDB, and PostgreSQL
• Applied Domain-Driven Design (DDD) practices and an event-driven architecture to build modular services and support scalable integrations

Intern at GReat (2019-11 – 2020-01)

Intern at GReat

• Structured and componentized the initial setup of the project, contributing to the implementation of key screens
• Focus on Front End development using JavaScript and React

Intern at LSBD (2019-02 – 2019-08)

Intern at LSBD

• Assisted in Back End development of a JavaScript and Node.js project
• Developed small features and resolved bugs

Bachelor Degree in Computer Science in Computer Science – Federal University of Ceará (2016 – 2020)