Summary
David Shefcik is a Senior Software Engineer with nine years of full-stack experience building scalable web and mobile applications using React, TypeScript, Node.js, GraphQL, and AWS. AWS-certified and experienced across frontend, backend, and infrastructure, he designs end-to-end features, serverless pipelines, and near-real-time notification systems using Lambda, SQS, RDS and Snowflake. He has led migrations from Bitbucket to GitHub, authored reusable GitHub Actions and an organization-wide ESLint plugin, and contributed to DevOps and backend committees focused on performance and cost optimizations. Comfortable moving between product-facing UI work and deep infrastructure, David has also managed small teams and client projects, modernized legacy React Native apps, and implemented CI/CD and Terraform modules across cloud environments. Based in the Chicago area, he brings a pragmatic blend of hands-on coding, cross-functional communication, and a track record of crafting reusable engineering tooling that improves developer experience.
9 years of coding experience
6 years of employment as a software developer
Neuqua Valley High School