Alexander Klen

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About Me

  • Senior Software Developer - Full-Stack Coding, Software Architecture, Tech Lead, Project Management
  • Experience designing, building, and deploying distributed web applications in multiple industries

Experience

Undisclosed Stealth Company - Senior Software Engineer - Remote - 2020-present

  • Tech Lead for team of 8 engineers. Sprint master, project manager, software architect
  • Designed and built new platform and applications for experimental business vertical. Concept to market in 6 months. Launched in major global markets. Rapidly growing; continuing to build large product features
  • Continual collaboration with eng manager, product manager, designer, general manager, account and strategy managers, facility, support and operations managers
  • Presented multiple team projects to CEO and engineering organization
  • Professional development mentor
  • Leveraged modern microservice architecture, GRPC, message queues, Cockroach DB, GraphQL, Trino

Google LLC. - Senior Software Engineer, Software Engineer - Seattle and Remote - 2015-2020

  • Payments Tech Lead for Google Domains (Registrar)
  • Led team in major payments system upgrade, country and currency launches, fraud prevention improvements, payment stats and auditing pipeline
  • Implemented automatic TLS cert provisioning and product integration for Google My Business websites
  • Overhauled product's user authorization code - type-safe and explicit privilege management and escalation
  • Completed projects for new ICANN transfer policy, registry integration, registrar-side .APP & .DEV TLD launches
  • Presented tech talks on payments, authentication, internet security; mentoring and interviewing

Various - Software Engineering Intern - 2011-2014, 2 years cumulative

  • Google: Adwords MapReduce data migration pipelines, real-time logs processing regression test improvements
  • Facebook: Crowdsourcing in Graph Search, contextual Wikipedia snippets, photo map search visualization
  • LinkedIn: iOS UI redesign, employee dogfooding versioning system, node.js APIs and HTML5 iPad application
  • Salesforce.com: Rypple performance review app full-stack development on OKR and email features

Personal Projects

  • Mobile Game - Android platformer game
  • Wedding Website - Wedding website one-page app in Haskell
  • 3D Rendering Engine - 3D rendering engine demo in C++ with OpenGL
  • Multi-User Dungeon - Online real-time multiplayer adventure game in Python
  • Biologically-inspired neuron simulator and neural net evolver
  • Personal finance and portfolio management platform

Education

University of Waterloo - Bachelor of Software Engineering - 2010-2015

  • With Distinction, Dean's Honours List, 3.96 overall GPA (cumulative 93.15%)
  • Advanced Algorithms, AI, Compilers, Computer Graphics, Operating Systems, Networks