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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on building client‑facing portals within banking systems. Required technologies include React, TypeScript and strong proficiency in Figma. Responsibilities cover running discovery and producing prototypes and high‑fidelity designs, defining and enforcing UI/UX standards and the design system, architecting and building core front‑end components and shared UI libraries, reviewing pull requests and mentoring mid‑level developers, partnering with backend teams and ensuring WCAG 2.1 AA accessibility, conducting usability testing and participating in architecture reviews.
from: 7 October 2026
to: 6 November 2026
170 - 190 złnet (+ VAT)/ hr.B2B contract (full-time)
19 800 - 22 350 złgross/ mth.temporary staffing agreement
Salary details
basic salary
Offer parameters
level:senior • expert
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian
Requirements
Expected technologies
React.js
TypeScript
Docker
Kubernetes
OpenShift
Optional technologies
SQL
Our requirements
- At least 8+ years hands-on React/TypeScript development and a strong UI/UX design portfolio
- Expert-level proficiency in design/prototyping tools (e.g., Figma), including component libraries and design systems
- Strong hands-on React.js + TypeScript development experience (component architecture, state management, hooks)
- Demonstrated experience translating designs into production-quality, responsive, accessible UI
- Familiarity with containerized application environments (Docker/Kubernetes/OpenShift) and modern CI/CD pipelines
- Strong stakeholder management - comfortable defending design decisions to both business and engineering audiences
- Experience reviewing code and providing technical/design feedback within a team setting
Optional
- Working knowledge of Java or .NET (for backend collaboration/awareness — not a core build requirement)
- Experience with Micro Frontend architectures (Module Federation, single-spa).
- Basic SQL/database knowledge
- Prior experience in financial services, fund administration, or transfer agency platforms
Your responsibilities
- Own the requirements-to-prototype pipeline: run discovery with business/product stakeholders, produce wireframes, interactive prototypes, and high-fidelity designs
- Define and enforce UI/UX standards, interaction patterns, and design system usage across all TA Portal applications
- Architect and build key React/TypeScript front-end components and shared UI libraries, setting technical and design precedent for the team
- Review pull requests and provide constructive, actionable feedback to mid-level developers on both design fidelity and code quality
- Partner with backend/API teams to ensure front-end designs are technically feasible within service and data constraints
- Drive accessibility compliance (WCAG 2.1 AA) and responsive design across all portal screens
- Conduct usability testing/validation sessions and iterate designs based on user feedback and analytics
- Mentor mid-level UI/UX developers on both design thinking and React best practices
- Participate in architecture/design governance reviews as design owner for the portal
About the project
The project focuses on the design and development of client-facing portals within a global banking environment.
Recruitment for
We're recruiting for a global company from banking sector.
We are seeking a Senior Design Developer to act as the design and front-end technical lead for client facing Portals.
This is a hybrid role combining UX ownership (requirements-to-prototype, design system governance) with hands-on senior front-end engineering leadership.
The ideal candidate translates ambiguous business requirements into validated, high-fidelity prototypes, then leads (and codes alongside) the mid-level development team to deliver pixel-accurate, accessible, enterprise-grade portal experiences.
Adecco Poland Sp. z o.o.
The world's leading workforce solutions company, offering temporary staffing, permanent placement and outsourcing across all sectors.
Senior Design Developer / Lead UI/UX Developer
170–190 zł / hr. (B2B), 19.8k–22.4k zł / mth.
I apply to:
Adecco Poland Sp. z o.o.
Warszawa, Masovian
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