Yu Chang Ou

Senior Application Engineer (Dec 2025 - Present)

Role: Senior Application Engineer

Org: MongoDB Application Modernization Platform (AMP)

Home Office: New York, United States

Impacts:

  • Operated as technical lead in high-ambiguity, cross-functional incubators, aligning stakeholders and defining success criteria early.
  • Made principal-level scope decisions to deliver an MVP working slice, accelerating measurable value and executive confidence.
  • Drove end-to-end delivery in compressed timelines, leading integration and tradeoff decisions to ensure on-time execution.
  • Harmonized competing interests with clear communication, proactive SME engagement, and consistent executive updates.
  • Reduced architectural risk by establishing repeatable modernization patterns and testable frameworks that teams can sustain.
  • Translated field learnings into platform tooling upgrades, improving prompt simplicity, model compatibility, and modularity.
  • Strengthened strategic partnerships with sales, solutions, and product to shape a credible modernization narrative.

MongoDB .local 2025: September 17th, 2025

Watching the launch of AMP as a Senior Application Delivery Consultant

Senior Application Delivery Consultant (Sep 2024 - Dec 2025)

Role: Senior Application Delivery Consultant (Lead Developer)

Org: MongoDB Modernization Factory

Home Office: New York, New York, United States

Impacts:

  • Led high-impact incubators delivering AI-powered proof-of-concepts and MVPs.
  • Owned technical vision and delivery structure from scoping through kickoff.
  • Built roadmaps, defined workstreams, and applied a MongoDB's modernization methodology.
  • Led architecture tradeoffs, documented decisions, and aligned stakeholders with clear rationale.
  • Unblocked developers, reduced fire drills, and fostered trust between client and internal stakeholders.
  • Proactively flagged stakeholder and delivery risks, integrating mitigations into planning.
  • Created reusable tooling and runbooks to scale future incubators and modernization efforts.

MongoDB .local 2024: May 2nd, 2024

Serving as your MongoDB Expert

Consulting Engineer (Feb 2022 - Sep 2024)

Role: Consulting Engineer

Org: MongoDB Professional Services

Home Office: New York, New York, United States

Impacts:

  • Served as a trusted advisor across 30+ clients, including 15+ Fortune 500 organizations.
  • Led cross-functional teams across banking, telecom, health care, insurance, and startups.
  • Managed end-to-end implementations from portfolio assessment to production operations.
  • Delivered training for architects, developers, and operations teams.
  • Collaborated with Product and Engineering to shape roadmap direction from client feedback.
  • Modernized legacy applications and cloud migrations across MongoDB, Oracle, MS SQL, and CosmosDB.
  • Built enterprise-scale architectures using Java, Python, Node.js, and Go.

My First MongoDB World: June 7th - 9th, 2022

My first MongoDB World as a Consulting Engineer!