David Lemos

Senior Software Engineer

Work

M&T Bank
Senior Software Engineer
Jul 2021 - Nov 2025
  • Built high-throughput data processing systems in Go, reducing production load by 40% through intelligent caching.
  • Modernized critical Wire platform services by migrating legacy TIBCO BusinessWorks solutions to Java Spring Boot, improving efficiency while maintaining feature parity
  • Shipped Branch Insights, an Angular & Spring Boot analytics platform, built on Red Hat OpenShift
  • Co-organized M&T's first annual tech-wide hackathon, focusing on ensuring a smooth Developer Experience

Projects

Proxmox Home Lab
Production-grade home infrastructure running 30+ services on LXCs and Docker containers with ZFS storage, automated Ansible deployments, and SSO authentication across all services.
GymSniper
Telegram bot in Go that automated gym class registration. Built by reverse engineering mobile app APIs.

Core Skills

GoPythonJavaTypeScript

Frameworks

Spring BootReactAngularSvelte

Infra

DockerOpenShiftProxmoxAnsible

Data

PostgreSQLSQL ServerRedis