Jacek Ciolek
Director at NewDay
Ashford, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolJacek Ciolek is a seasoned web architect and engineering leader with 12+ years delivering high-performance, user-focused web applications across startups and large enterprises. As Director of Webnicer and Technical Lead at NewDay, he blends hands-on front‑end and full‑stack expertise (React, Angular, TypeScript, Node.js, GraphQL) with pragmatic architectural leadership and a strong Agile practice. He’s known for migrating legacy systems to modern stacks, hunting performance and memory issues in production, and introducing robust tooling, linting and testing cultures. Comfortable leading small teams, mentoring engineers and driving cross‑team collaboration, he prioritises clean, modular code and progressive enhancement. An entrepreneur at heart, he’s built and grown web products from e‑commerce stores to complex news and fintech platforms, often architecting the migration path rather than rip-and-replace.
12 years of coding experience
12 years of employment as a software developer
Information Management in Business, Information Management in Business at Wyższa Szkoła Zarządzania w Warszawie - The Polish Open UniversityElectronics and Information Technology, Electronics and Information Technology at Warsaw University of TechnologyLiceum Ogolnoksztalcace im. Stanislawa Staszica w Warszawie
Polish
Stackoverflow
428reputation
121kreached
4answers
0questions
forms
top-5%
validation
top-5%
Github Skills (71)
browser10
angularjs10
adapter10
protractor10
validation9
feathersjs9
testing9
nextjs9
forms9
vuepress9
react9
chrome9
compiler8
angular8
javascript8
Programming languages (3)
Github contributions (5)
webnicer/feathers-elasticsearch
Jan 2017 - Jul 2019
Feathersjs adapter for Elasticsearch
Contributions:58 pushes, 6 branches in 2 years 5 months
feathersjs-adapteradapterelasticsearchfeathersjselasticsearch-client
jciolek/docker-protractor-headless
Nov 2015 - Oct 2017
Protractor end to end testing for AngularJS - dockerised and headless with real Chrome.
Contributions:41 commits, 28 PRs, 82 pushes in 1 year 10 months
end-to-end-testingend-to-endtestingdockerchrome
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