Jan 2023 – Present · 3 yrs 5 mos · Honolulu, Hawaii

• During my family's relocation from Amsterdam, Netherlands to Honolulu, Hawaii, my focus shifted to being a full-time parent, ensuring a smooth transition for our children.
• Also while working on my hobby project https://www.hawaiiyeah.com

Jan 2023 – May 2024 · 1 yr 4 mos · Honolulu, Hawaii, United States · Remote

Aug 2020 – Dec 2022 · 2 yrs 4 mos · Amsterdam, North Holland, Netherlands

• Member of founding team of 5 engineers building flights.booking.com from scratch. Within a year
• went from 0 to over 1000 flight bookings per day.
• ● Efficiently integrated flights with external systems for reservation, payment, events, alerts,
• analytics.
• ● Contributed to the flight infra department and in charge of stability and scalability related topics.
• ● Established meaningful SLI and SLO, monitoring and alerting for flights, increasing booking
• success rate by 20%.
• ● Implement the system with efficient technical solutions including Kafka, redis, mysql, cassandra,
• nodejs.
• ● Build ~1M SEO friendly flight route landing pages. From no organic traffic to the first page on
• google for most of those 1M routes. Leading to a 1200% growth in traffic.

Apr 2018 – Nov 2020 · 2 yrs 7 mos · Amsterdam, North Holland, Netherlands

• Architecture and engineered a cutting-edge streaming partnership billing platform and ledger,
• enabling accurate and automated affiliate payout allocation from a $1B/month revenue stream. Achieved 30% reduction in billing errors leading to $30M cost savings annually.

Jun 2015 – Apr 2018 · 2 yrs 10 mos · Amsterdam, North Holland, Netherlands

• ● Guided three SE teams within the API platform department.
• ● Oversaw the optimization of a high-traffic API. (100M/day) which takes more than 70% of
• booking’s accommodation business, including reservation, confirmation, inventory.
• ● Pioneered the successful modernization of the API platform. Clost 100+ open bugs, reduce error
• rate from 20% to >1%, openAPI documentation and versioning.

Oct 2014 – May 2015 · 7 mos · Stockholm, Stockholm County, Sweden · On-site

• Build API integrations between Medius platform and ERP’s such as SAP, NAV and AX. Eliminating upwards 90% manual actions for invoice scanning recognition and billing.

Sep 2013 – Sep 2014 · 1 yr · Stockholm, Sverige · On-site

• SQL Server database development. Design and build database model and store procedures for money
• handling systems and 100% accuracy requirements.
• Developed web-based customer customized business solutions using .NET/TSQL.

May 2010 – Nov 2012 · 2 yrs 6 mos

• Establish better cooperation between both Stockholm and Nanjing development
• department and production group
• Implementing agile (scrum) way of working in the development team
• Troubleshoot faulty test stations for RF measurement configuration and software
• bugs

Dec 2009 – Sep 2013 · 3 yrs 9 mos

• Backend/frontend development in C# using WCF
• Develop user interface in WPF
• Maintain legacy instrument drivers in C/C++
• RF verifications with vector network analyzers, signal generators and spectrum
• analyzers (Agilent & R&S)

Dec 2008 – Nov 2009 · 11 mos

• Lead a test team with 10-15 testers
• Responsible for developing an automated test suite
• · Responsible for test scope for each delivery
• · Responsible to plan and execute test activities on time and with superior quality

May 2007 – Nov 2008 · 1 yr 6 mos

• Automate test cases in Java, Ruby, Tcl and bash
• Integrate and verify new firmware for a linux based real time OS
• Specify test cases and write test instructions
• Traffic generation tools including tgen and Ixia
• Troubleshoot signaling problems using Wireshark