David Tiselius

David Tiselius is an experienced technical professional specializing in Java development and system architecture. Currently serving as a Technical Lead at PostNord since July 2022, David also consults for 13|37. Prior experience includes roles as a Senior Java Software Engineer at Budbee, where David focused on Java Backend solutions on AWS, and as a Senior System Developer at NE Nationalencyklopedin AB, concentrating on Java Backend and migration projects. David's previous positions include Senior Java Developer at Smart Refill AB, System Developer at Resurs Bank, and Software Developer at HD-Sydsvenskan, with a strong foundation in web-based systems, integration work, and payment systems. David's career began at Tiscali as a Web Developer, contributing to various development projects over two decades across multiple companies.