Dag Karlsson
Software Engineer at Crosskey
Åland Islands
Summary
👤
Senior🎓
Top SchoolDag Karlsson is a software engineer with eight years of experience building and managing systems in the financial services sector, currently working at Crosskey. He brings strong Java, AWS, SQL and REST API skills and a track record of progressing from system developer to application manager and back into hands-on engineering. Based in the Åland Islands, he pairs formal IT training with a practical, problem-solving mindset honed during years as a plumber and welder—an origin that explains his penchant for unconventional, experimental projects on GitHub. Comfortable operating across operations and development, he focuses on reliable, maintainable services for regulated environments. Colleagues value his blend of steady operational discipline and curiosity-driven engineering.
9 years of coding experience
7 years of employment as a software developer
Bachelor of Engineering - BE, Information Technology, Bachelor of Engineering - BE, Information Technology at Högskolan på Åland
Github Skills (14)
academia10
jetbrains10
github10
ruby10
documentation-generator8
rest7
openapi7
java7
api-documentation7
swagger7
rest-api7
open-source5
redoc3
autopilot1
Programming languages (7)
Github contributions (5)
snaggedagge/java-development
Jun 2018 - Dec 2021
Contributions:59 pushes, 6 branches in 3 years 6 months
snaggedagge/smartmirror
Jan 2020 - Jan 2026
Contributions:16 pushes, 1 branch in 6 years 1 month
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