[WAP] Full-Stack Developer (React, .Net)

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SeniorZdalnie·WarszawaFull-time

#474092·Dodano dziś·5

Źródło: Software Mind

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Tech Stack / Keywords

React TypeScript C#.NET ASP.NET CoreTanStack QueryDocker SQL PlaywrightPCI

Podsumowanie oferty

You’ll build analyst-facing interfaces for a risk analysis and scoring platform for a payments technology company. The role focuses on shipping React and TypeScript features and extending C#/.NET endpoints in a small delivery team.

Wymagania

3–5 years of commercial software development, including at least 3 years of production React and TypeScript experience, including hooks, state management, Vite or Next.js.
Experience building data-heavy UIs with tables, grids and charts over large datasets, such as TanStack Table, AG Grid, Recharts or ECharts.
Working proficiency in C#/.NET, including ASP.NET Core Web API, EF Core or Dapper, and enough SQL to change endpoints safely.
Experience integrating REST APIs with typed clients and server-state libraries such as TanStack Query.
Daily hands-on use of agentic AI coding tools such as Claude Code, Cursor, Copilot Workspace or Codex; you’ll demo your workflow live.
Testing experience with Jest or Vitest, React Testing Library, Playwright or Cypress, and xUnit or NUnit.
Solid frontend fundamentals, including modern CSS, accessibility (WCAG), browser performance and web security (XSS, CSP, token handling).
Experience with Docker and Docker Compose, Git, and CI/CD such as Azure DevOps or GitHub Actions.

Nice to have:

Payments, card processing, risk/fraud or financial services experience, ideally with PCI-scoped applications.
Experience with design systems and component libraries such as MUI or Fluent UI, and Storybook.
Advanced data visualization, including D3, time-series and distribution charts, or UIs for LLM-backed features.
Experience with identity in SPAs, OAuth2/OIDC, MSAL or Microsoft Entra ID.
Prior consulting or staff-augmentation experience embedded in a client team.

Obowiązki

Build and ship production React and TypeScript features for risk analyst interfaces, including transaction and merchant risk views, score explanations, alert queues, data-heavy tables, filters and charts.
Extend the C#/.NET endpoints behind your features within API contracts owned by the senior developer.
Integrate the front end with platform APIs, handling loading, error, pagination and caching states.
Keep large-dataset UIs fast through virtualized tables, smart data fetching, memoization and profiling.
Use Claude Code or an equivalent agentic coding tool while owning the quality of every line merged.
Write unit, component, integration and end-to-end tests; review and harden AI-generated code before production.
Respect the PCI boundary across the stack, using masked and tokenized card data and secure session and token handling.
Work with the client’s internal team on stand-ups, documented design decisions, clean handoffs, CI/CD and repository conventions.

Benefity

Flexible and remote cooperation options.
International projects with leading global clients.
Access to language classes.
Access to knowledge-sharing initiatives.
Access to private healthcare and life insurance.
Access to a multisport card.
The availability and terms of individual benefits may vary depending on the chosen form of cooperation.

Kursy językowe

Opieka zdrowotna

Ubezpieczenie

Karta sportowa

Inne informacje

Travel related to international projects.

SOFTWARE MIND

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