Jens Jansson
Senior Group Product Manager at Smartly
Turku, Mainland Finland
Summary
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Rockstar🎓
Top SchoolJens Jansson is a Lead Product Manager with 14 years of experience turning web-based business applications into commercial successes, currently driving Smartly’s Snapchat product and cross-platform initiatives. He blends hands-on engineering roots—evident from significant contributions to the Vaadin framework and docs—with product strategy, backlog definition, and go-to-market execution across seven products. Jens has a track record of accelerating time-to-market (cutting launch lead time from 11 to 7 months) and delivering strong growth and funding outcomes, including 75% YoY growth for Smartly’s Snapchat business. He specializes in SaaS business models and developer-facing tooling that saves time for both engineers and end users. Comfortable moving between customer discovery, specification, design, and full-stack implementation, he brings a pragmatic architect’s mindset to product leadership. Based in Turku, Finland, he pairs consultancy and training experience with a history of code-level improvements that increased type safety and maintainability in a widely used Java web framework.
14 years of coding experience
18 years of employment as a software developer
Bachelor of Science, Software Engineering, Bachelor of Science, Software Engineering at Åbo Akademi UniversityLukio, Lukio at Katedralskolan i Åbo
English, Finnish, Swedish
Stackoverflow
4,656reputation
199kreached
59answers
14questions
Github Skills (21)
lit-element10
hilla10
vaadin10
typescript10
java10
refactor10
enums10
javas10
typescript-types10
error-handling10
refactoring10
typescripts10
front-end-development9
documentation9
javascript8
Programming languages (8)
Github contributions (5)
vaadin/framework
Dec 2011 - Apr 2017
Vaadin 6, 7, 8 is a Java framework for modern Java web applications.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:60 commits, 5 PRs, 3 branches in 5 years 5 months
Contributions summary:Jens focused on refactoring and improving the Vaadin framework's internal validation and error handling mechanisms. Their work involved changing the `CompositeValidator` to use enums for combination modes and updating error levels to use an enum-based system, improving the type safety and maintainability of the codebase. Additionally, the user made adjustments to the content modes in `UserError` by introducing an enum to manage the different content modes, reflecting a systematic approach to enhance the framework's structure.
javavaadinvaadin-frameworkweb-application-framework
vaadin/docs
Jan 2021 - May 2021
Official documentation for Vaadin and Hilla.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:40 reviews, 44 commits, 37 PRs in 4 months
Contributions summary:Jens primarily contributed to the documentation site for Vaadin and Hilla, implementing new components, examples, and updating existing ones. Their work included modifying frontend components using TypeScript and LitElement, particularly related to message and date/time picker components. The commits also involve backend changes, demonstrating work across the full stack to enhance the Vaadin documentation's usability and feature set.
hillavaadin
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