Senior Design Engineer – React/TypeScript

  •  Reference Number: 29553
  •  Posted: 01 października 2026
  •  Form of employment: Kontrakt
  •  Apply by: 26 listopada 2026

Functieomschrijving

We are seeking a Senior Design/Developer to act as the design and front-end technical lead. 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.

Key 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  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.
Required Skills
  • Expert-level proficiency in design/prototyping tools (e.g., Figma), including component libraries and design systems.
  • Strong hands-on (14 yrs) 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.
Nice-to-Have
  • 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.

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Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.

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Warszawa, Mazowieckie
Agencja zatrudnienia – nr certyfikatu 412