André Karlsson is a senior data specialist and consultant with nearly two decades working across databases, BI, and big data, currently serving as Senior Data Engineer at Nasdaq through Soulmate while also running his consulting firm Tenforward. He blends deep operational DBA experience (Oracle, MSSQL, PostgreSQL) with modern Big Data tooling (Hadoop, Kafka) and hands-on development in Python, Go and Java to solve complex data migration, performance tuning and DevOps challenges. André has led full-stack data projects across industries—transportation, forestry, and enterprise services—bringing a rare mix of low-level systems know-how (ASM/CRS/RAC, Solaris/Linux) and pragmatic architecture skills. He’s passionate about mentoring others and translating legacy environments into scalable data platforms, and often takes on the toughest, least-obvious parts of a migration or tuning engagement.
10 years of coding experience
Master of Science (M.Sc.), Electrical and Electronics Engineering, Master of Science (M.Sc.), Electrical and Electronics Engineering at Luleå tekniska universitet / Luleå University of Technology
Timrå Gymnasium
Master's degree, Electrical Engineering, Master's degree, Electrical Engineering at Monash University
Contributions:5 commits, 4 pushes, 1 branch in 11 months
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