Szymon Danielczyk
Senior Software Engineer Team Lead at Siren
Galway, Ireland
Summary
🤩
Rockstar🎓
Top SchoolSzymon Danielczyk is a Senior Software Engineer and Team Lead based in Galway with around 14–15 years of commercial experience building Java and JavaScript applications across research and industry. He has progressed from hands-on development and research roles into technical leadership at Siren, guiding teams on full-stack web and backend systems while retaining an engineer’s focus on design, testing and CI. His work spans core Java/Spring services, frontend web applications, and tooling for automated builds and tests, and he contributes to open-source projects such as the Kibana alerting app Sentinl where he handled cross-cutting merges and quality fixes. Fluent in Polish and comfortable in English, he combines pragmatic problem-solving with a history of shipping features, resolving complex merge conflicts, and maintaining code quality in collaborative environments.
14 years of coding experience
9 years of employment as a software developer
BA, Electronic and Telecommunication, BA, Electronic and Telecommunication at The Silesian University of TechnologyMaster of Applied Science, Master of Applied Science at NUI Galway
English, Polish
Stackoverflow
2,428reputation
310kreached
18answers
19questions
github
top-5%
git
top-5%
Github Skills (22)
javascript10
amazon-elasticsearch10
alertdialog10
alertifyjs10
alertview10
alerts10
kibana10
elasticsearchquery10
aws-elasticsearch10
elasticsearch10
elasticsearch-api10
git9
github9
html6
xml6
Programming languages (9)
Github contributions (5)
sentinl/sentinl
Nov 2016 - Nov 2018
Kibana Alert & Report App for Elasticsearch
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:169 commits, 1 PR, 13 pushes in 2 years
Contributions summary:Szymon primarily contributed to the codebase by merging branches and resolving conflicts. These merges involved changes to `server/lib/actions.js`, `server/lib/helpers.js`, and `public/app.js`, suggesting involvement across both backend and frontend aspects of the application. Additionally, the user addressed linting errors and made other minor code adjustments, showcasing a focus on code quality and project maintenance.
schedulerkibanaalarmpdfelasticsearch
sirensolutions/h2o2
Dec 2015 - Aug 2021
Proxy handler for hapi.js
Contributions:3 reviews, 11 PRs, 11 pushes in 5 years 8 months
proxy-handlerhapiproxyhapijsnodejs
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