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primehammer

Josef logo

Josef

Available now

Senior Software Engineer/Team Lead/Architect @ primehammer

Senior
Seniority
GMT+02:00, Prague, Czech Republic
Location & Timezone
$50 - $55/hr
Average Hourly Rate
Czech, English
Languages

Top skills

TypeScript
React.js
Node.js
Frontend Development
Backend Development

About

I am a senior web developer focused on full-stack or frontend projects, relishing remote work. Experience with mature environments and also with building out projects from scratch.

Top skills

Verified by Pangea.ai due diligence

Top SkillsCurrent UsageSeniority
TypeScript
20%8 years
React.js
30%8 years
Node.js
10%8 years
Frontend Development
30%8 years
Backend Development
10%11 years

All skills

Roles and tools, to bring ideas to life and create meaningful experiences

Enterprise Software
Web Apps
SaaS
CRM
Marketplaces

Professional experience

Explore a curated selection of projects highlighting Josef's expertise and experience. Each project aims to showcase challenges, solutions, and the final outcome, along with the tools and technologies used.

+2
PwC
USDeals - Junction — Senior Fullstack Engineer
Refined frontend and brought in TypeScript and SCSS modules, improved app core performance by making it 2000x faster, introduced MFE architecture for faster page load time and easier teamwork.
Jenkins
TypeScript
React.js
Microsoft Azure
Joy
New Sign-up Flow at Joy — Senior Frontend Engineer
Built a new sign-up flow with smooth transitions and animations to enhance onboarding experience.
Website
TypeScript
Certisys s.r.o.
Certisys Information System — Senior Frontend Engineer & Tech Lead
Created the whole frontend from scratch, managed the frontend team, and developed a web app used by every football team in the Republic.
TypeScript

Preferred tools

View the preferred tools and apps used by Josef to assess compatibility and alignment.

Jira
Jira
Azure
Azure
Figma
Figma
Zoom
Zoom
Slack
Slack
Git
Git
Notion
Notion
Asana
Asana
Github
Github
Gitlab
Gitlab

Career highlights

Discover Josef’s professional journey, including employment history, certifications, and educational background.

Senior Fullstack Engineer
PwC⸺2021 - 2024
I refined their frontend and brought in TypeScript and SCSS modules, the app core is a computation engine that I have rewritten and made 2000x faster and in memory. Introduced MFE (micro frontend architecture), that have made the page load time faster and dev teamwork easier.
Senior Frontend Engineer
Joy⸺2022 - 2022
Working very closely with the exploration team and building out a new sign-up flow with smooth transitions and animations to improve onboarding (drop-off through sign-up reduced twice).
Senior Frontend Engineer & Tech Lead
Certisys s.r.o.⸺2020 - 2021
Created the whole frontend from scratch and then hired other 3 FE developers to the team. Managed the frontend team and brought this web app from concept to release-ready state. This app is being used by every football team in the Republic.
Senior Software Engineer
Prizeo⸺2017 - 2021
Created a new SPA PWA frontend app for a big Java web application from scratch all by myself (lots of prototyping for the marketing department), then hired a couple of other FE developers to the team. Revenues skyrocketed after this was released. We hosted campaigns with huge traffic 'First commercial flight to space', and 'Hamilton'. I set up a very effective CDN and caching policy, and we hold up 100k+ concurrent users.
Contractor
Dr. webcode - US Deals⸺2018 - 2021
Sr. frontend developer, consultant & supporter for other FE developers at the project, feature team lead
Fullstack Engineer
Infor⸺2016 - 2017
Java Software Engineer
Broadridge⸺2015 - 2016

Testimonials

T.

Stealth

Verified Testimonial

“Impressive knowledge and experience. Good communicator too.“

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