Jascha Ostholt
Senior Webentwickler at krisenchat
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolJascha Ostholt is a Senior Webentwickler based in Berlin with 8 years of hands-on experience building complex web applications, from intricate front-end animations to resilient back-end services. He blends technical depth with product ownership—having led a 10–15 person cross-functional team at elvah, driven a full rebrand and customer migration in three months, and doubled conversion through UX and flow improvements. Comfortable across frontend, backend, UX design and agile leadership, he has designed microservice architectures and mentored teams while shipping customer-facing features for brands like UEFA and Melitta. Known for pragmatic, empathetic leadership, he prioritizes user experience and measurable outcomes, exemplified by a 300% SEO uplift via a targeted content glossary. Now at krisenchat, he continues to combine rapid problem-solving with a pragmatic product mindset to deliver high-impact web experiences.
8 years of coding experience
8 years of employment as a software developer
Bachelor of Science - BS Angewandte Informatik, Bachelor of Science - BS Angewandte Informatik at Hochschule für Technik und Wirtschaft Berlin
English, German
Github Skills (29)
slack-bot10
slack-api10
slack-commands10
conversations10
spring-boot-starter9
slack-integration9
kotlin8
spring8
spring-boot8
slack8
java8
data-exchange8
virtual-file-system8
storage7
springframework7
Programming languages (4)
Github contributions (5)
SemantischeSucheHTW/frontend
Jan 2019 - Feb 2019
Contributions:15 pushes, 1 branch in 1 month
JPOstholt/dcache
Feb 2019 - Feb 2019
dCache - a system for storing and retrieving huge amounts of data, distributed among a large number of heterogenous server nodes, under a single virtual filesystem tree with a variety of standard access methods
Contributions:3 pushes in 1 day
large-numberamountsstoringnodesfilesystem
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