Obecné informace

Pozice
Senior Front-end Developer (React) | Poland | Deloitte Digital
Pracovní poměr
Plný pracovní úvazek
Město
Gdaňsk, Katovice, Krakov, Lodž, Poznaň, Řešov, Štětín, Varšava, Vratislav
Země
Polsko
Oddělení
Consulting
Tým
Customer
Oblast zájmu
Consulting
Způsob práce
Hybridní model

Popis a požadavky

Who we are looking for

We’re hiring a Senior Front-end Developer to build high-performing web applications with React 17+ and Next.js 13+. You’ll shape user experiences millions can feel fast, accessible, and reliable partnering closely with designers, back-end engineers, and client developers. Expect ownership across architecture, implementation, testing, and performance, with a strong bias to clean code and measurable outcomes. 

Required skills & experience: 


  • 5+ years as Front-end (or Full-stack) Developer with production React. 
  • Strong commercial experience with React 17+ and Next.js 13+ (app router, server components). 
  • Excellent TypeScript and modern JavaScript (ES6+). 
  • Deep knowledge of HTML, CSS, SASS, RWD; accessibility fundamentals. 
  • Hands-on testing: Jest, Testing Library, Playwright/Cypress; CI integration of tests. 
  • Proficiency with browser devtools, performance profiling, and network optimization. 
  • Comfortable with both functional and OOP paradigms; solid engineering fundamentals. 
  • Effective in distributed, multicultural teams; English B2/C1+ for technical discussions with clients. 

Nice to have: 


  • Experience with other FE frameworks or hybrid/mobile tech (React Native, Ionic, Flutter). 
  • Node.js (SSR/ISR, API routes, middleware, build tooling) and edge runtimes/CDN. 
  • Design systems, Storybook, tokens; strong WCAG practice. 
  • CI/CD pipelines, containerized dev, cloud hosting (Vercel/AWS/Azure/GCP); feature flags, analytics. 

Your future role
  • Design and build enterprise-grade front-ends with React/Next.js and TypeScript (app router, server components, RSC-friendly patterns). 
  • Plan & estimate with your squad; break down epics into incremental, testable work and deliver predictably. 
  • Implement features using modern patterns (hooks, server actions, streaming/ISR); integrate APIs and data layers. 
  • Own quality: unit tests (Jest/RTL), E2E (Playwright/Cypress), meaningful coverage, and robust PR reviews. 
  • Debug & optimize for Core Web Vitals (LCP/CLS/TBT), accessibility (WCAG), and cross-browser reliability. 
  • Translate designs into responsive, pixel-accurate UI (HTML/CSS/SASS) using component libraries/design systems. 
  • Refactor safely, pay down tech debt, and improve build times and bundle size. 
  • Mentor teammates; collaborate closely with Design, Product, and Backend; support client dev teams where needed. 

What we offer
  • Medical and health insurance,
  • Multisport and other lifestyle benefits,
  • Language courses,
  • Friendly coworkers & team spirit,
  • Multiple geographies and clients,
  • Work for well-known brands,
  • Exposure to trailblazing business and technology projects,
  • A place in the first line of a digital transformation,
  • Everyday opportunities to influence how and where we do our business,
  • Build a flagship mobile experience for a once-in-a-generation global event,
  • Work with top experts across product, design, and engineering- with modern tooling and real ownership,
  • A culture that prizes clarity, craftsmanship, and momentum; hybrid work with meaningful in-person collaboration.
Selection process
  • HR screen
  • Technical deep dive (React/Next/TS + testing), live coding & FE system design 
  • Culture/Team interview 
  • Offer.
About Deloitte
https://www.deloitte.com/pl/pl/careers/deloitte-life/culture-book-en.html

In Deloitte we support leading global organizations in optimizing and transforming their organizations. This also relates to their finance function. Our consultants offer insights, capabilities, and solutions that change the way these organizations operate and make people-related decisions.
We are currently building in Poland a dedicated team which will focus on advisory in the area of Finance & Performance. The Team will advise our Clients in complex issues relating to i.a. Reporting, Budgeting, Controlling processes. We are looking for high-energy, committed and ambitious people to join our advisory practice. Next to advising on most sophisticated and challenging issues relating to the above mentioned areas, our Consulting professionals will also advise on potential solutions leading to optimisation of the above mentioned processes. This will also include applying the newest technologies.
 Are you ready to join our team and help our clients imagine, deliver, and run their future?


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