Johan Jansson Email & Phone Number

Honolulu, Hawaii, United States

Honolulu, Hawaii, United States

Amsterdam, North Holland, Netherlands

• Member of founding team of 5 engineers building flights.booking.com from scratch. Within a yearwent 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 bookingsuccess 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 ongoogle for most of those 1M routes. Leading to a 1200% growth in traffic.

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.

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% ofbooking’s accommodation business, including reservation, confirmation, inventory.
• Pioneered the successful modernization of the API platform. Clost 100+ open bugs, reduce errorrate from 20% to >1%, openAPI documentation and versioning.

Stockholm, Stockholm County, Sweden

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.

Stockholm, Sverige

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

Stockholm, Stockholm County, Sweden

- 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 spectrumanalyzers (Agilent & R&S)

Nanjing City, China

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

Stockholm, Stockholm County, Sweden

- 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

Stockholm, Stockholm County, Sweden

- 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

Master Of Science (M.Sc.), Major In Engineering Physics, Minors In Electrical Engineering

Masters Thesis, Physics

Design the hardware and software for an x-ray fluorescence system to measure the compounds inside thin film solar cells. The setup is used.