Looking for a job

Wellington Leite

@wellingtonleite

Senior Full Stack Engineer at Glean improving API response times by 30% and Redis retrieval efficiency by 45%.

At Glean, I engineer features across a full TypeScript stack and improved platform operations by 20%. I evolved GraphQL APIs and backend data layers, improving API response times by 30% and Redis data retrieval efficiency by 45%.

I’ve also integrated AI-driven capabilities into existing product workflows and improved Docker-based CI/CD practices, reducing deployment errors by 35%. Across my roles at Encora, BairesDev, and Dextra, I’ve worked on customer-facing applications, APIs, frontend performance, and backend services, including Java and Spring Boot enterprise systems.

Experience

Work history, roles, and key accomplishments

Current

Senior Full Stack Engineer

Current

Glean

May 2024 - Present (2 years 5 months)

Engineered and deployed critical features across a full TypeScript stack, improving platform operations by 20% through cleaner API design and reusable UI patterns. Architected GraphQL APIs with Apollo Server, restructured backend data layers, and revamped Redis caching strategies to improve performance.

TypeScript React NodeJS GraphQL Apollo Server Redis Docker CI CD Kubernetes Terraform AWS Observability AI Integration

Full Stack Developer

Encora

Sep 2022 - Apr 2023 (7 months)

Developed and optimized full-stack solutions with React and Node.js, reducing third-party service cost by 25% while improving maintainability. Designed REST and GraphQL APIs, implemented real-time synchronization with WebSockets, and mentored junior engineers.

React NodeJS REST APIs GraphQL WebSockets Security Caching CI CD Mentorship

Frontend Developer

BairesDev

Jul 2020 - Jul 2021 (1 year)

Created dynamic, responsive interfaces with React and JavaScript, increasing user engagement by 25% and improving usability. Optimized frontend rendering and asset-loading paths, standardized reusable components, and expanded unit-testing practices.

React JavaScript HTML CSS Responsive UI Component Architecture Unit Testing Agile

Software Developer

Dextra

Jan 2017 - May 2019 (2 years 4 months)

Engineered backend services for enterprise applications using Java and Spring Boot, improving transaction handling and service maintainability. Helped migrate monolithic systems toward microservices and introduced CI/CD practices that reduced deployment time by 45%.