Senior Frontend Consultant (React / TypeScript)

We are looking for an experienced Senior Frontend Developer to join an international project and have a real impact on the development of a modern web application. If you value high-quality code, well-designed user interfaces, and working in a structured, spec-driven approach, this role is a great fit.

As a Senior Frontend Consultant, you will develop a modern web application used by business clients for working with data and risk analysis.

Key responsibilities:

• Building and maintaining user interfaces (forms, tables, list and detail views)

• Designing clear and efficient screens that perform smoothly even with large datasets

• Integrating with the authentication system (Okta) and ensuring secure user login

• Ensuring application stability in the cloud environment

• Writing automated frontend tests to maintain high quality

• Working in a Spec-Driven Development (SpecKit) approach - co-creating specifications and implementing features based on them

Ideal candidate profile:

• Strong knowledge of React and TypeScript

• Experience with Vite

• Practical knowledge of: React Router, TanStack (Query, Table, Virtual), Formik + Yup

• Experience with authentication systems (e.g., Okta)

• Testing experience with: Playwright, Vitest, React Testing Library

• Working with: GitHub, Terraform, NPM, AWS (CloudFront) in a CI/CD environment

• Knowledge of English at least B2 level

Conditions:

• Location: 100% remote (Poland)

• Duration: 3 months

• Contract type: B2B

• Rate: 140-160 PLN net / h

• Start: ASAP

Recruitment steps:

• Phone call with a Recruiter (20-30 min.)

• Technical interview with the client (2 rounds)

• Feedback and final decision