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@dzienisz
Frontend and AI consultant at Huuuge Games. Experience spans React, Next.js, microfrontends, developer communities and AI-assisted workflows.
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933,711,149 tokens across 50 active days this year. Shades reflect this user's activity, with stronger shades for higher daily totals. Session tokens count on their last active day in UTC. Use arrow keys to explore days, or Home and End to jump to the first and last day.
Jul 2026 – Present
Huuuge Games · Warsaw, Poland · 5 mos
Rewriting a provider WebShop into an in-house WebShop using TanStack Start, CSR and a refreshed interface.
Nov 2025 – Apr 2026
Playsmart.io · 6 mos
Delivered spinni.com and pelaanyt.com iGaming platforms for Nordic markets, mentored engineers, reviewed code and guided architecture. Introduced Cursor, CodeRabbit and Anthropic workflows; reports 100% higher feature-delivery speed. Optimised UI rendering/Core Web Vitals, with no specific measured retention figures supplied.
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Course series listed on the personal site: completed AI Devs 2 and 3, working through AI Devs 4. Provider and dates not stated.
Polsko-Japońska Wyższa Szkoła Technik Komputerowych w Warszawie
Master’s degree in Informatics listed for 2017–2019; exact months are not supplied.
Aug 2025 – Oct 2025
Tolgee · 3 mos
Moved developer support from Slack to Discord, rewrote documentation and iOS/Android SDK guides, and translated community feedback into product needs. Reports reducing support tickets by 60%; this is self-reported.
Feb 2025 – Jun 2025
LEOCODE – Your Tech Partner · 5 mos
Role and dates are stated. The description repeats the Tolgee community/documentation text and is truncated, so those duties and metrics are not independently assigned here.
Oct 2024 – Jan 2025
Lighthouse Growth · 4 mos
Developed the Lighthouse Growth website and worked for Telia as a Next.js developer rewriting search and category pages.
May 2024 – Sep 2024
AirHelp · 5 mos
Built RTL/LTR-compatible components with Arabic localisation/layout support, new authentication/login flows and CRM-integration contributions.
Nov 2023 – Apr 2024
STÖK · 6 mos
Launched a Moods of Norway storefront with Next.js, Centra and Storyblok. Improved architecture for scalability, SEO/Core Web Vitals and enabled marketing teams to manage CMS-driven campaigns.
Apr 2022 – Oct 2023
Teckro · 1 yr 7 mos
Developed medical SaaS using Single-Spa microfrontends, custom SSO, i18n/localisation and streamlined CI/CD. Extended PSPDFKit document-management integration.
Sep 2021 – Apr 2022
Vodeno · Warsaw, Poland · 8 mos
Led 15+ frontend engineers across product teams, served as technical point of contact, recruited/onboarded developers, facilitated weekly chapter meetings and coordinated technical decisions in cloud-native fintech.
Jul 2019 – Sep 2021
Vodeno · 2 yrs 3 mos
Developed Aion Bank digital-banking products with React, Redux and microfrontends, including ETF-investment and savings applications.
May 2018 – Jul 2019
Daftcode · Warsaw, Poland · 1 yr 3 mos
Built real-time collaboration and WebSocket workflows, recruitment/marketing websites and RestaurantWeek frontend/backoffice components. Delivered introductory CSS workshops through Daft Academy.
Aug 2017 – Apr 2018
GogoApps · Warsaw, Poland · 9 mos
Developed React web applications with MobX state management and WordPress themes using Timber/Twig.
Nov 2016 – Jul 2017
Functionite · Warsaw, Poland · 9 mos
Worked on the kodu.je frontend school’s website, video and social-media materials.
Nov 2016 – Jul 2017
kodu.je – zobacz jak kodują inni · Warsaw, Poland · 9 mos
Produced HTML/CSS/JavaScript educational videos, promotional video concepts, social-media content and webinar landing pages.
Jun 2015 – Jun 2016
Student Internet Television TVPW · Warsaw, Poland · 1 yr 1 mo
Managed an 80-person organisation, chaired weekly board meetings, oversaw projects, acquired partners and represented TVPW at conferences.
May 2015 – Jul 2015
Capitalia sp. z o.o. Sp. K. · Warsaw, Poland · 3 mos
Contributed analysis and recommendations for standardising dissemination, promotion and maintenance of public-administration e-services in a project commissioned by the Centre for Digital Poland.
Oct 2013 – Jun 2015
Student Internet Television TVPW · 1 yr 9 mos
Managed technical/production work, recorded and edited video and operated vision for live internet broadcasts.
Co-organizer of meet.js and long-time frontend community builder, per the personal site; the GitHub bio lists the role as @meetjspl Organizer. No dates stated.
Devin · Warsaw
Devin Ambassador (formerly Windsurf), organizing Warsaw meetups around AI-assisted development, per the personal site and GitHub bio. No dates stated.
Engineering degree in Automation and Robotics listed for 2012–2016; exact months are not supplied.
