Alex Jensen
Lead Software Engineer at Mastercard Open Finance & Developer Experience
Copenhagen, Capital Region of Denmark
Summary
👤
Senior🎓
Top SchoolAlex Jensen is a Lead Software Engineer with 12 years of experience building full-stack web applications and robust API integrations for financial systems. He specializes in JavaScript and TypeScript (Angular, Node.js, d3.js) and has led work that turns accounting data into reliable reports and visualizations where defects can directly impact thousands of customers. Comfortable across PHP/Laravel and modern DevOps (Docker Swarm, Nginx, Traefik, Let's Encrypt), he emphasizes defensive programming, testing, and gradual deployment to safeguard irreversible financial operations. A long-time Linux power user and active contributor to open-source (notably extending the Natural Node tokenizer), Alex pairs technical depth with a people-first mindset—described by partners as exceptionally open-minded and skilled at seeing problems from others’ perspectives. Based in Copenhagen, he currently shapes developer experience and open finance at Mastercard.
12 years of coding experience
15 years of employment as a software developer
M.Sc. Medialogy (Media Technology), M.Sc. Medialogy (Media Technology) at Aalborg UniversityNew Media Designer New Media, New Media Designer New Media at The Media and Business Academy in Køge
Stackoverflow
163reputation
5kreached
1answer
3questions
Github Skills (10)
tokenize10
tokenizer10
javascript10
nlp10
natural-language-processing10
nodejs9
unit-testing9
testing8
json6
angularjs6
Programming languages (4)
Github contributions (5)
NaturalNode/natural
Jun 2015 - Jun 2015
general natural language facilities for node
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 commits, 1 PR, 5 comments in 9 days
Contributions summary:Alex primarily contributed to the `natural` library by implementing and testing a case tokenizer. Their work involved creating a `tokenizer_case.js` file and writing associated test cases. The user added new languages and tests for the tokenizer and included newlines and fixed a testing issue, expanding the functionality and improving the library's capabilities.
nlpkebab-casecorenlpfacilitiesnatural-language
alexlangberg/node-goldwasher-aws-lambda
May 2015 - Sep 2015
Contributions:26 commits, 21 pushes, 1 branch in 3 months
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