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William Kolega

@williamkolega

Staff software engineer building AI-native full-stack and backend platforms that boost performance, reliability, and velocity.

United States

Message

What I'm looking for

I’m looking to build AI-native, enterprise-scale platforms where I can own architecture, modernize distributed backends, improve performance and reliability, and mentor teams—translating complex needs into measurable business outcomes.

Senior Software Engineer with 9+ years of experience building scalable software across communications, retail, and enterprise technology. Skilled in Java, MySQL, backend development, troubleshooting, and leadership. Experienced at Zoom, Publix Super Markets, and Dell Technologies, with a strong foundation in computer science from The University of Kansas. Passionate about solving complex engineering problems, improving system reliability, and collaborating with teams to deliver high-quality products.

Experience

Work history, roles, and key accomplishments

Current

Staff Software Engineer

Current

Zoom Communications

Jan 2021 - Present (5 years 5 months)

Owned architecture and delivery of an enterprise admin dashboard and account management platform for 10k+ enterprise tenants, improving admin workflow efficiency by 35% and reducing p95 page latency by 28%. Built an AI knowledge assistant for 500+ support/ops users across 100k+ documents, improving retrieval accuracy by 31% and reducing Tier-2 escalations by 24%, while modernizing microservices to

TypeScript React Next.js Python fastAPI PostgreSQL Pgvector

Software Engineer

Publix Super Markets

May 2020 - Jan 2021 (8 months)

Built internal operational dashboards and reporting tools using React, TypeScript, C#/.NET Core, and SQL Server, improving reporting turnaround by 35% and reducing manual reconciliation effort for inventory workflows. Modernized legacy store-support workflows into REST APIs and automated backend services, reducing batch-processing time by ~30% and improving operational reliability.

React TypeScript C .NET Core SQL Server REST APIs Dashboard And Reports

Senior Software Engineer

Dell Technologies

Jun 2016 - May 2020 (3 years 11 months)

Built enterprise case management and operational workflow platforms using Java, Spring Boot, React, PostgreSQL, and REST APIs, reducing case resolution time by 22% and increasing platform adoption by 30%. Delivered microservices-based infrastructure workflow systems and modernized monolith components into 10+ modular APIs, improving distributed processing throughput by 33% and reducing service sta