Alexander Klen


Website • Email • Keybase • Github • Linked In

About Me

Staff Software Engineer - Full-Stack Coding, Software Architecture, Tech Lead, Project Management
Experience designing, building, and scaling distributed web applications in multiple industries

Tech Lead for Cloud Retail - team of 8 engineers. Software architect, project manager, scrum master
Designed and built inventory platform and online retail applications for experimental business vertical. Concept to launch in major global markets in 6 months
Delivered retail integrations with business partners, customers, internal engineering platform teams
Collaboration with product & design, general manager & strategy, facility support & operations leads
Presented multiple projects to CEO and engineering organization. Professional development mentor
Leveraged modern microservice architecture, gRPC, message queues, GraphQL, Cockroach DB, Trino
Earned promotion to staff engineer

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, integrations with Google Business and Google Sites
Completed projects for new ICANN transfer policy, registry integration, registrar-side .APP & .DEV TLD launches
Presentations on payments, authentication, security. Mentoring and interviewing
Earned two promotions to senior engineer

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: Rypple/Success Cloud performance review app - full-stack development on OKR and email features

Blue Frost - Personal and small business financial management platform.
AnimAI - Physical and cell simulations for evolving neural architectures and embodied agents.
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

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