Senior Frontend Developer at InPost

Your key responsibilities

I. Frontend platform architecture:

• Lead architecture decisions for the entire Merchant Portal platform (microfrontends, runtime vs build-time integration, etc.).
• Define and evolve frontend standards, tooling, and best practices.
• Design for modularity, separation of concerns, versioning, and maintainability.
• Guide the evolution of shared frontend libraries and foundational services.

II. Shared components & platform experience:

• Maintain and evolve shared Angular libraries, design system components, and utility packages.
• Define and enforce frontend standards, coding guidelines, and DX practices.
• Establish and maintain cross-microfrontend communication mechanisms (EventBus, shared state). 
• Collaborate with UX and product designers to deliver globally consistent experiences.

III. Collaboration with Product Teams:

• Act as a platform consultant to product engineering teams.
• Ensure consistent adoption of platform tooling and UX paradigms.
• Review architecture and code contributions related to shared components.

IV. Mentorship & technical leadership:

• Mentor frontend engineers across teams on scalable frontend architecture.
• Facilitate technical discussions and platform roadmap alignment.
• Encourage knowledge sharing, clean code, and continuous improvement.
• Own critical decisions in platform-wide frontend development.

Must-have:

• Minimum 5 years of professional Angular experience (Angular 2+ up to latest). Proven track record of architecting and delivering large Angular applications.
• Deep knowledge of RxJS, NgModules, component architecture, routing, state management (e.g., NgRx). 
• Proficient in TypeScript, JavaScript (ES6+), HTML5, CSS3 (SASS/SCSS). 
• Strong experience writing end-to-end tests using Playwright as well as experience with unit/integration testing tools
• Strong understanding of SPA performance optimization, lazy loading, and modular design. 
• Skilled in monorepo and build tooling (e.g., Angular CLI, Webpack, Nx, Module Federation).
• Experience designing and maintaining frontend platforms or design systems. 
• Deep understanding of microfrontend architecture and frontend infrastructure.
• Comfortable working in large-scale systems with multiple teams consuming shared code.
• Strong communication skills – both within frontend engineering and cross-functionally.
• Good command of English (B2+).

Nice-to-have:

• Good working knowledge of React, React Hooks, and its core concepts. 
• Experience with CI/CD pipelines (e.g., GitLab CI). 
• Familiarity with Git, code linting, formatting (ESLint, Prettier).
• Experience with telemetry/logging/monitoring tools.
• Exposure to internationalization and localization strategies (i18n/l10n). 
• Familiarity with accessibility (WCAG best practices).