Alexander Manzyuk

Engineering Leader | Principal Software Engineer

Driving business outcomes through pragmatic engineering solutions and team enablement

20 Years of Experience Distilled: There's no silver bullet. Technologies change, while business, people and fundamentals stay.

Technical Expertise

Backend

Ruby, Python, Node.js

Frontend

JavaScript/TypeScript, React

Data

SQL, NoSQL, ElasticSearch, Clickhouse

Infrastructure

AWS (CDK 2.0), Azure, GCP

AI

Agentic AI, AI-based workflows
gooroo.dev, orbinote.com

Leadership

Agile, Kaizen, Ownership, Product Mindset, Result-Oriented

Work Experience

Team Leader, Engineering Manager
May 2025 - Nov 2025

ManageBac - Curriculum-First Learning Platform for 3,000+ international schools, 800K+ students worldwide.

  • Led 8-person squad (2 Backend, 2 Full-stack, 2 Frontend, 1 QA, + PM & Designer) within 100+ engineering team
  • Engineering Management: Instituted SCRUM development lifecycle to improve delivery predictability
  • Architecture: Established Rails-to-React/TypeScript migration architecture for seamless frontend modernization
  • AI: Delivered AI Assistant with authorized data access, voice commands, MCP protocol, and 3rd-party integration support
  • Analytics: Built Academic Progress Analytics Dashboard with comprehensive KPI visualization
Rails, MySQL, React, TypeScript, Agentic AI - MCP, RAG, AWS Bedrock
Principal Software Engineer, Engineering Manager
May 2023 - Mar 2025

vPenTest - Automated Penetration Testing tool integrated into Kaseya platform.

  • Scaled team from 5 to 12 engineers: Frontend(2), Backend(5), DevOps(3), QA(2)
  • Shifted development processes from startup to enterprise grade
  • Managed scope, sprint planning, code review, and mentoring
  • Oversaw code quality, system performance, and infrastructure security
  • Built engineering culture and implemented best practices
  • Maintained 50% hands-on development time
Ruby on Rails, Node.js/Express, PostgreSQL, Sidekiq, AWS, React
Principal Software Engineer
Nov 2021 - Apr 2023

Flow Production Tracking - Cloud-based project management used by Disney, Pixar, Sony Pictures, Epic Games.

  • Built Resource Planning feature for visualizing and optimizing artist resource allocation
  • Developed Generative Scheduling integrated with Autodesk's generative core (Golang, RESTful API, CQRS)
  • Resolved critical performance bottlenecks, improving efficiency from O(N³) to O(1) across full stack
  • Enabled successful feature release and improved workflow for ~100 engineers
Ruby on Rails, PostgreSQL, Sidekiq, AWS, Python, Golang, RESTful APIs, CQRS, React
Engineering Team Leader, Engineering Manager
Nov 2018 - Sep 2021

Websa Cloud - Built cloud hosting platform from ground up (CDN, VPS, Cloud Storage).

  • Scaled team from 6 to 20 engineers across Frontend, Backend, DevOps, and QA
  • Achieved petabytes of daily CDN traffic with High Availability
  • Processed large amounts of metering data analyzed hourly
  • Established development processes and maintained balance between business requests and team capacity
Ruby on Rails, Sidekiq, PostgreSQL, Python, FastApi, OpenStack, Nginx, SOA, CQRS, Event Sourcing, Kafka
Lead Engineer
May 2014 - Nov 2018

Built great products like Calendly, Coupler.io and more. Gained exceptional experience in ownership, consulting, Kaizen, and result-oriented work.

Notable: Brightbytes was acquired by Google in 2022

Ruby on Rails, Node.js, TDD/BDD, PostgreSQL, Angular, React, RESTful APIs, GraphQL
Earlier Roles
2003 - 2014
  • Svitla Systems (2013-2014): Development Team Leader for SmartBiz Loans
  • Intensol (2010-2013): Senior Software Engineer building social network aggregator (Rollme.com)
  • OpenSource.com.ua (2003-2010): Founder & CTO - Pioneered commercial distribution of open source software in Ukraine, serving tens of thousands of customers and achieving Google's top ranking for "linux" in Ukraine

Certification