Daniil Suleiman
Technical Lead at StoneX Group Inc.
Warsaw, Masovian Voivodeship, Poland
Summary
🤩
Rockstar🎓
Top SchoolDaniil Suleiman is a Technical Lead and senior frontend engineer with 8 years of hands-on experience building high-performance React and TypeScript applications and three years mentoring and leading junior engineers. He drives scalable frontend architecture and developer experience, having standardized tooling and CI workflows at companies like Toptal and StoneX and delivered measurable performance gains (e.g., 30% load-time improvements). Comfortable across the stack, Daniil pairs frontend expertise with backend work in Node.js and Ruby on Rails and has led major migrations to TypeScript and modern build systems. An active open-source contributor to Elastic’s popular EUI framework, he has improved component accessibility and data-grid features used by many teams. Based in Warsaw, he brings a pragmatic, mentorship-first approach and a curiosity for cutting-edge practices and global perspectives that shape team culture and product quality.
8 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering - BE, Bachelor of Engineering - BE at Belarusian National Technical University
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (14)
eui10
elastic-ui10
javascript10
react10
system-design9
carbon-design-system9
sys9
system9
css-in-js9
typescripts8
typescript8
datagrid8
typescript-types8
responsive-design7
Programming languages (4)
Github contributions (5)
elastic/eui
May 2019 - Dec 2020
Elastic UI Framework 🙌
Role in this project:
Front-end Developer
Front-end DeveloperContributions:4 reviews, 10 commits, 15 PRs in 1 year 6 months
Contributions summary:Daniil primarily contributed to the Elastic UI (EUI) framework, focusing on front-end component enhancements and bug fixes. Their work included fixing focus issues in combo boxes and switches, adding and reverting responsive properties to accordions, and implementing new features like a resizable container. Furthermore, the user addressed a bug related to clicking disabled labels on switches and contributed to data grid functionality with pagination and the addition of a footer row, including related documentation.
reactsasseuiui-frameworkelastic
sulemanof/kibana
Dec 2018 - Mar 2021
:bar_chart: Kibana analytics and search dashboard for Elasticsearch
Contributions:3 PRs, 685 pushes, 685 branches in 2 years 3 months
analyticschartbar-chartkibanaopensearch
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