Nikolaj Kappler
Senior Developer at SAP
Walldorf, Baden-Württemberg, Germany
Summary
👤
Senior🎓
Top SchoolNikolaj Kappler is a Senior Developer based in Walldorf, Germany with 11 years of hands-on experience focused on front-end development using TypeScript, React.js and SAP UI5. He has spent his recent years at SAP, progressing from Developer to Senior Developer and delivering enterprise-grade UIs within complex product ecosystems. A B.Sc. in Computer Science underpins his engineering approach, and his open-source contributions to DefinitelyTyped demonstrate a commitment to improving TypeScript type safety and tooling—adding types for codemirror-panel, astring and initial tern types. Known for bridging product needs and developer ergonomics, he combines pragmatic code quality improvements with attention to editor integrations that boost team productivity.
11 years of coding experience
5 years of employment as a software developer
Bachelor of Science - BSc, Computer Science, Bachelor of Science - BSc, Computer Science at Hochschule Karlsruhe - Technik und Wirtschaft
Stackoverflow
21reputation
4kreached
1answer
0questions
Github Skills (11)
type-system10
typescript10
typesc10
typescripts10
type-definition10
codemirror10
typescript-types10
javascript9
tree8
html6
css6
Programming languages (14)
Github contributions (5)
DefinitelyTyped/DefinitelyTyped
Oct 2018 - May 2019
The repository for high quality TypeScript type definitions.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:41 commits, 13 PRs, 7 comments in 7 months
Contributions summary:Nikolaj contributed to the repository by adding TypeScript type definitions for the "codemirror-panel" and "astring" libraries, enhancing the project's type safety and developer experience. They also provided the initial commit for tern types, indicating a focus on improving the code editor's functionality and integrations. Further commits show the user fixing typos, and improving declarations and fixing issues with the code.
typescript-definitionstype-definitionshigh-qualitydtsdefinitions
nkappler/ra-data-treeql
Apr 2021 - Aug 2022
TreeQL data provider for react-admin
Contributions:3 releases, 2 PRs, 21 pushes in 1 year 4 months
reactreact-adminadmindata-providerprovider
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.