Template
Copy this website

Tomasz Kowalski

Senior Software Development Engineer at Amazon Web Services (AWS)

Summary

Highly accomplished Senior Full Stack Developer with 10+ years of experience designing, developing, and deploying scalable web applications. Proven ability to lead cross-functional teams, implement robust microservices architectures, and optimize performance across the entire software development lifecycle. Adept at leveraging modern technologies like React, Node.js, and AWS to deliver innovative solutions that drive business growth and enhance user experience.

Experience

Senior Software Development EngineerAmazon Web Services (AWS)
Seattle, WAMar 2018Present
  • Led the development of a critical microservices-based platform, improving system scalability by 40% and reducing latency by 25% for a key AWS service.
  • Architected and implemented new API endpoints using Node.js and TypeScript, handling over 1 million daily requests with a 99.9% uptime.
  • Mentored a team of 5 junior developers, improving code quality metrics by 30% and fostering a collaborative engineering culture.
  • Optimized database queries and schema designs (PostgreSQL, DynamoDB), resulting in a 15% reduction in operational costs.
Software Engineer IIExpedia Group
Seattle, WAJul 2014Mar 2018
  • Developed and maintained core features for the travel booking platform using Java, Spring Boot, and React, contributing to a 10% increase in user engagement.
  • Improved application performance by refactoring legacy code and implementing caching strategies, reducing page load times by an average of 2 seconds.
  • Collaborated with product managers to translate business requirements into technical specifications for new features, deploying over 15 major updates annually.
  • Implemented unit and integration tests, increasing code coverage to 85% and significantly reducing post-release bugs.

Projects

Education

University of WashingtonMaster of Science in Computer Science
Seattle, WASep 2012Jun 2014
  • Achieved a GPA of 3.9/4.0, specializing in Distributed Systems and Cloud Computing.
  • Awarded the Dean's Scholarship for academic excellence.
Poznan University of TechnologyBachelor of Science in Computer Science
Poznan, PolandSep 2008Jun 2012
  • Graduated Magna Cum Laude, completing a thesis on real-time data processing.
  • Developed a real-time analytics dashboard for university research, enhancing data visualization for over 50 projects.

Skills

Programming Languages
JavaScriptTypeScriptPythonJavaGo
Front-End
ReactAngularVue.jsHTML5CSS3ReduxWebpack
Back-End
Node.jsSpring BootExpress.jsRESTful APIsMicroservices
Databases
PostgreSQLMySQLMongoDBDynamoDBRedis
Cloud & DevOps
AWS (EC2, S3, Lambda, SQS, SNS)DockerKubernetesJenkinsGitTerraform