André Van De Graaf Email & Phone Number

André Van De Graaf is a Principal Quality Assurance at Exact International Development B.V.. They possess expertise in ssrs, sql server 2000 2008, optimization, sql server, business intelligence and 15 more skills. Colleagues describe them as "I worked with Andre for many years, including several years as his direct manager. Andre is a very detail oriented, customer focused, highly skilled, committed and loyal professional. He combines excellent technical skills and expertise on the Microsoft Server platform and SQL Server with a strong customer orientation. He always put the customers interest before anything else to guarantee the best solution possible. Andre is innovative, works independent and is always looking how Microsoft's innovations can help businesses around the world perform better. I would absolutely recommend Andre to any business that is seeking a highly skilled professional to help them getting more out of the Microsoft platform."

Listed skills include Ssrs, Sql Server 2000 2008, Optimization, Sql Server, and 16 others.

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  Principal Quality Assurance

  Exact International Development B.V.

  Aug 2013 - Present - Delft

  • I'm working in the Operations team of our SaaS solution Exact Online. Exact's innovative cloud business software helps more than 500.000 SMEs and accountants manage their figures. It is used by 100.000 users on a daily basis. Performance, availability and scalability is key in this. This is my focus and responsibility.• Exact Online is hosted in Amazone (AWS) on multiple availability zones using EC2 instances and EBS volumes. • Analyze the use of EC2 instances from a cost and performance perspective.• Analyze the use of the EBS volumes from a cost and performance perspective (IOPS and Throughput)• I’m an expert to find and understand performance bottlenecks. This is already 50 % of the solution. At the end I will provide the development teams with alternative solutions to improve the performance and scalability of Exact Online.• Enthusiastic power user of Splunk. Splunk helps us to see the forest and the trees. Logging is key to monitor Exact Online. I build a lot of dashboards, reports and alerts for my DevOps team but also for the development teams. With this we can act pro-active to lower the number of incidents. • Design optimal SQL Server Clusters based on performance analyze for Exact Online but also for our acquisitions. • Think Big. Developing software which is scalable using minimal hardware. • Train development teams in building solutions which can scale and will perform.• Query optimization, data model design, index optimization.• Independent, responsible and always looking in the best interest of the customer.

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  Erasmus University Rotterdam

  Drs.