• Own enterprise architecture across Backend Platform, Authentication & Authorization, and Fraud for a consumer fintech serving millions of users.
• Established org-wide Architecture Review Process — RFC standards, governance lifecycle, and cross-functional review with SRE, Security, and Data Engineering.
• Lead capacity planning, load testing, and hardening that absorbed ~5M signups (35× normal traffic) during the MrBeast Challenge.
• Devised and led Confidential Data Protection strategy and implementation using PII tokenization and field-level encryption.
• Partner with Security leadership on identity, authorization, and fraud-prevention architecture — common auth, Device Service, KBA MFA, and confidential-data handling aligned with Gen classification and SOC2/SOX requirements.
• Set AI engineering strategy and governance — canonical Shared Knowledge, validated agent skills, and drove org-wide adoption of eval-driven quality gates.
• Design API-first services and event-driven integration patterns; drove Kafka reliability.
• Collaborate with peer engineering directors on company-wide architecture, platform investments, and delivery practices.
• Mentor senior engineers and architects on system design, data-protection tradeoffs, and operational excellence.
• Authored PII tokenization RFC and led multi-team Confidential Data Protection roadmap with Gen Security architects.

• Directed 4 engineering teams (30+ engineers) delivering experimentation and digital experience platforms at enterprise scale.
• Drove platform modernization — defined target architectures, sequenced migrations, and retired legacy systems.
• Built technical and leadership pipelines through hiring, coaching, and promoting ICs and managers.
• Aligned platform engineering investments with product and go-to-market priorities through cross-functional partnership.
• Mentored engineers and engineering managers on distributed systems design and sustainable delivery practices.

• Led the migration from a monolithic Node.js/Python stack to event-driven microservices, improving deployability and team autonomy.
• Strengthened ingestion platform reliability and implemented data-lake disaster recovery for business continuity.
• Eliminated production performance bottlenecks and expanded observability with Elastic APM and Stackdriver tracing.
• Shipped serverless analytics pipelines and embeddable publishing widgets for customer-facing products.
• Designed partner-facing REST APIs conforming to JSON:API and HATEOAS standards.
• Coached engineers who progressed into tech lead and engineering manager roles.

• Designed and built high-availability services with explicit performance and cost-optimization goals.
• Partnered with DevOps and BI teams to automate operations and expand metrics and tracing coverage.
• Defined technical roadmaps with Product Management and delivered against quarterly commitments.
• Contributed to architecture reviews and technical interviews as a senior IC and hiring partner.

Hotel management platform built with Ruby on Rails and MySQL.

• Shipped production features using TDD and BDD with consistent code review and quality gates.
• Ran Agile ceremonies and delivery practices that improved release predictability across iterations.
• Established design and testing standards across internal tools and client-facing deliverables.

Student management system built with J2EE and MySQL.

Part-time remote consultant from Stockholm; built an online event management system with Ruby on Rails and MySQL.

Scrum management platform built with Ruby on Rails and MySQL.

Enterprise cargo and container management systems using J2EE, Struts, Spring, and Hibernate.