Valtteri Laitinen
Assistant Controller at COR Group Oy
Finland
Summary
🤩
Rockstar🎓
Top SchoolValtteri Laitinen is an accounting professional and part-time Assistant Controller based in Finland with 12 years of professional experience and ongoing Master's studies in Accounting. He has practical hands-on experience across accounts receivable, payable, month-end tasks and reconciliations, helping maintain accurate financial records for COR Group Oy. Alongside finance, Valtteri contributes to open-source software as a developer, improving syntax highlighting in the widely used Prism.js and enhancing the Deno static site generator Lume with usability and format support updates. This blend of finance operations and practical coding work gives him a rare cross-disciplinary perspective on automating and streamlining administrative processes. He is detail-oriented, comfortable with both transactional accounting and technical problem-solving, and brings a pragmatic approach to improving accuracy and developer/user experience.
12 years of coding experience
Bachelor's degree, Bachelor's degree at Oulu Business School, University of OuluKastellin Lukio
Stackoverflow
66reputation
554reached
4answers
1question
Github Skills (22)
deno10
javascript10
static-site-generator10
css10
typescript10
regular-expression10
typescript-types10
html10
typescripts10
syntax-highlighting10
yaml8
markdown7
postcss7
markdown-it7
react6
Programming languages (12)
Github contributions (5)
lumeland/lume
Apr 2021 - Aug 2021
🔥 Static site generator for Deno 🦕
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:2 reviews, 177 commits, 33 PRs in 4 months
Contributions summary:Valtteri primarily contributed to improving the Lume static site generator, focusing on enhancing its functionality and user experience. Their work included fixing spelling errors, refactoring code for better performance and maintainability, and updating MIME types to support new file formats like AVIF and web app manifests. They also implemented features such as showing the local IP address on the server and adding more slug character substitutions.
reactdeno-modulestatic-sitesvgoeta
PrismJS/prism
Jul 2016 - Oct 2021
Lightweight, robust, elegant syntax highlighting.
Role in this project:Front-end Developer
Front-end DeveloperContributions:16 commits, 21 PRs, 23 comments in 5 years 3 months
Contributions summary:Valtteri primarily contributed to the Prism.js project by modifying and improving syntax highlighting for various languages, including markup (HTML), CSS, JavaScript, and others. Their work involved fixing bugs, optimizing regex patterns, and adding new features such as support for new syntax and entities. The contributions focused on enhancing the accuracy and breadth of code highlighting, improving the overall developer experience.
highlightjshighlightingprismjsprismicsyntax-highlighting
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