Frontend Engineer (Future Full-Stack) in Accounts Channels

Level: Middle Frontend Engineer, with potential to grow into a full-stack role.

Required skills: Strong Angular and TypeScript/JavaScript experience, HTML/CSS, REST API integration, component-based architecture, automated testing, Git, troubleshooting, and familiarity with AI-assisted development tools; Java and Spring Boot, micro frontends, CI/CD, cloud-native platforms, and monitoring are advantageous.

Suitable tasks: Developing and maintaining customer-facing banking applications, building reusable components, contributing to frontend architecture, integrating backend services, writing tests, resolving production issues, and taking ownership from design through deployment and support.

How would you structure an Angular application to keep it maintainable as it grows?

I would organize the application into feature modules or standalone feature areas, shared UI components, core services, and clear domain boundaries. I would use typed interfaces, consistent dependency injection, reusable components, and well-defined state and API layers to reduce coupling.

How do you handle REST API integration in an Angular application?

I typically use injectable services with Angular’s HttpClient and strongly typed request and response models. I also handle loading states, retries where appropriate, API errors, data mapping, and authentication concerns through interceptors and centralized error-handling patterns.

What are the main considerations when designing a micro frontend architecture?

Important considerations include defining clear domain ownership, minimizing coupling between applications, agreeing on shared contracts, and managing shared dependencies such as Angular and design-system components. Deployment independence, routing, authentication, communication, and consistent monitoring also need to be addressed.

How would you secure an Angular application that consumes banking APIs?

I would use established authentication protocols such as OAuth 2.0 or OpenID Connect, avoid storing sensitive data unnecessarily in the browser, and protect API calls with secure tokens and interceptors. Authorization must also be enforced by the backend, since frontend checks alone cannot provide security.

How do you approach testing Angular components and services?

I use unit tests for component behavior, services, pipes, and validation logic, while mocking external dependencies and HTTP calls. I would also add integration or end-to-end tests for important customer journeys such as authentication, account retrieval, and transaction-related workflows.

How would you manage state in a complex Angular application?

I would keep local UI state inside components or dedicated services and use a state-management solution such as NgRx when state is shared, asynchronous, or business-critical. The goal is to keep state transitions predictable, immutable where practical, and easy to test.

What would you investigate if users reported intermittent failures in production?

I would correlate the user impact with frontend errors, network requests, backend responses, deployment changes, and monitoring data. Logs, browser diagnostics, distributed traces, and tools such as Splunk can help determine whether the issue is caused by the UI, an API, authentication, infrastructure, or a dependency.

How can GitHub Actions and cloud-native platforms support frontend delivery?

A GitHub Actions pipeline can run linting, unit tests, builds, security checks, and artifact publication before deploying to an environment. OpenShift or Kubernetes can then provide consistent deployment, configuration, scaling, health checks, and rollback capabilities.

What Java and Spring Boot concepts would you learn to become more full-stack?

I would focus on building REST controllers, services, validation, exception handling, security, persistence, and automated tests in Spring Boot. Understanding API contracts, transaction boundaries, observability, and how backend services are deployed would help me collaborate effectively with the existing backend team.

How would you use AI-assisted tools such as GitHub Copilot responsibly?

I would use them to accelerate boilerplate, explore alternatives, generate test cases, and improve documentation, while treating all generated code as untrusted until reviewed. I would verify correctness, security, performance, licensing implications, and consistency with the project’s architecture and coding standards.

SEB is a global financial technology organization creating digital banking solutions for corporate customers across 20 sites worldwide. As a Frontend Engineer in Vilnius, you will build and maintain customer-facing applications, reusable components, micro frontends, REST API integrations, automated tests, and production support processes. The stack includes Angular, TypeScript, HTML, CSS, Java, Spring Boot, GitHub Actions, OpenShift, Kubernetes, and AI-assisted development tools. This is a hybrid role with remote-working possibilities and a flexible schedule, offering €3,800–€5,500 gross per month—an excellent opportunity to deepen your frontend expertise while growing into a full-stack engineering career with long-term stability and strong learning support.