Senior Frontend Developer (React)
⚲ Warszawa
18 480 - 23 520 PLN netto (B2B)
Wymagania
- TailwindCSS
- TypeScript
- REST
- HTML5
- React
- JavaScript
Opis stanowiska
📍 Warsaw (Onsite – near Metro Plac Wilsona)💼 B2B
About Silk Software House
Silk Software House builds and maintains business-critical web applications for fintech, payments, and enterprise clients. We value ownership, strong technical judgment, and developers who can design solutions, not just implement tasks.
Your Role
As a Senior Frontend Developer, you’ll take responsibility for frontend architecture, make key technical decisions, and ensure long-term code quality and performance. You’ll collaborate closely with backend teams and help shape how frontend systems are built and evolved.
Responsibilities
• Design and build frontend architecture for web applications
• Develop complex React applications using TypeScript
• Make and justify architectural and technical decisions
• Optimize performance, rendering, and user experience
• Define and enforce frontend best practices and coding standards
• Integrate frontend systems with REST / GraphQL APIs
• Review code and support less experienced developers
• Collaborate with architects, backend developers, and product stakeholders
• Support existing projects through modernization and optimization
Requirements
•
This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station
•
5+ years of professional programming experience, including strong React experience
• Excellent knowledge of TypeScript
• Deep understanding of React, state management, and rendering behavior
• Very good knowledge of HTML5, CSS3, and responsive design
• Strong experience with TailwindCSS
• Solid understanding of authentication and authorization flows
• Good knowledge of frontend security and performance optimization
• Experience designing and building frontend architectures
• Experience diagnosing complex performance and rendering issues
• Familiarity with Git and professional development workflows
• Experience working in teams using Agile methodologies
• Ability to use AI-assisted development tools effectively
• English at B2+ level, enabling smooth communication
Nice to Have
•
Next.js
• Accessibility standards (WCAG)
• E2E testing frameworks
• CI/CD pipelines
• Storybook
• i18n support in production applications
Rates (B2B)
•
110–140 PLN / hour
Recruitment Process
• Intro call (30 min)
• Senior-level technical interview
• Architecture & decision-making discussion
• Offer
About Silk Software House
Silk Software House builds and maintains business-critical web applications for fintech, payments, and enterprise clients. We value ownership, strong technical judgment, and developers who can design solutions, not just implement tasks.
Your Role
As a Senior Frontend Developer, you’ll take responsibility for frontend architecture, make key technical decisions, and ensure long-term code quality and performance. You’ll collaborate closely with backend teams and help shape how frontend systems are built and evolved.
Responsibilities
• Design and build frontend architecture for web applications
• Develop complex React applications using TypeScript
• Make and justify architectural and technical decisions
• Optimize performance, rendering, and user experience
• Define and enforce frontend best practices and coding standards
• Integrate frontend systems with REST / GraphQL APIs
• Review code and support less experienced developers
• Collaborate with architects, backend developers, and product stakeholders
• Support existing projects through modernization and optimization
Requirements
•
This role requires full-time onsite work (no remote or hybrid options). Candidates must be willing and able to work from our office near the Plac Wilsona metro station
•
5+ years of professional programming experience, including strong React experience
• Excellent knowledge of TypeScript
• Deep understanding of React, state management, and rendering behavior
• Very good knowledge of HTML5, CSS3, and responsive design
• Strong experience with TailwindCSS
• Solid understanding of authentication and authorization flows
• Good knowledge of frontend security and performance optimization
• Experience designing and building frontend architectures
• Experience diagnosing complex performance and rendering issues
• Familiarity with Git and professional development workflows
• Experience working in teams using Agile methodologies
• Ability to use AI-assisted development tools effectively
• English at B2+ level, enabling smooth communication
Nice to Have
•
Next.js
• Accessibility standards (WCAG)
• E2E testing frameworks
• CI/CD pipelines
• Storybook
• i18n support in production applications
Rates (B2B)
•
110–140 PLN / hour
Recruitment Process
• Intro call (30 min)
• Senior-level technical interview
• Architecture & decision-making discussion
• Offer
🔍 Dekoder Ogłoszenia
🟡
developers who can design solutions, not just implement tasks
Oczekuje się, że będziesz aktywnie uczestniczyć w procesie projektowania, a nie tylko wykonywać polecenia.
🟡
take responsibility for frontend architecture
Będziesz mieć znaczący wpływ na kształtowanie architektury frontendowej, co może wiązać się z dużą odpowiedzialnością.
🟡
make key technical decisions
Twoje decyzje techniczne będą miały realny wpływ na projekt, co wymaga pewności siebie i umiejętności argumentacji.
🟡
ensure long-term code quality and performance
Oczekuje się, że będziesz dbać o jakość kodu i wydajność aplikacji w dłuższej perspektywie, co może oznaczać potrzebę refaktoryzacji i optymalizacji.
🔴
Support existing projects through modernization and optimization
Może to oznaczać pracę nad starszym kodem, który wymaga gruntownych zmian i usprawnień.