Lucas Sousa

Architected and maintained microservices for a US public safety API project using Java Spring Boot and deployed AWS infrastructure via Terraform; engineered AI-driven voice agents to automate responses and built React/TypeScript interfaces for mission-critical workflows.

Owned full product lifecycle for a real estate platform, building React Native mobile and React web apps, a Node.js REST API serving thousands of requests, and CI/CD and AWS infrastructure using Terraform and CircleCI.

Developed cloud-native services for US public safety, leveraging Java and AWS Step Functions; optimized data workflows with AWS Athena and DynamoDB and maintained ReactJS front-end components within Agile teams.

Led API and microservice development for banking applications using Node.js and managed AWS services including S3 and DynamoDB to support high-frequency transactions; built dynamic web interfaces with Angular.

Spearheaded infrastructure migration from DigitalOcean to AWS to improve scalability and reliability, developed REST APIs for mobile apps, and maintained e-commerce platforms using PHP and Node.js.

Focused on frontend development using Angular and GraphQL and implemented Jest testing for high-traffic travel projects while supporting Scala-based backend APIs.

Improved intranet performance for oil platform support systems using JavaEE and Spring, enhancing reliability for internal operations.

Maintained large-scale e-commerce systems and queue-based BI analysis systems using Java and PowerBuilder to support transaction processing and reporting.

Postgraduate in Systems Project and Analysis from PUC-Rio completed in 2014, focusing on systems design and analysis.

Bachelor in Computer Science completed in 2010 with coursework covering software development and computer systems.

AWS Certified Developer – Associate certification demonstrating proficiency in developing and maintaining applications on AWS.