Frontend Developer 40u/w

The Front-End Developer is responsible for the design and implementation of the User interface. The Front-End Developer defines the web page design and structure; Develops features to enhance the users’ experience; Finds a balance between functional and aesthetic design; Makes the web design is smartphone-capable; Builds reusable code for future use; Secures web pages are optimized for best speed and scalability; Employs a diverse selection of markup languages to design web pages; Keeps the brand consist throughout the whole design.

In this role, you will work in a dynamic environment where digital purchase journeys and commercial customer experience are central. As a Front-end Developer in the Sales Flow team, you take ownership of the Commodity purchase flow - the journey where customers configure and sign up for energy products on Vattenfall.nl and related channels. You collaborate closely with product, UX, and back-end stakeholders to deliver reliable, scalable, and conversion-focused sales experiences.

The team operates in an active architecture transition: from declarative flow configuration toward a central orchestrator model, with Commodity being extracted into its own feature library. Sustainability flows (solar, heat pump, insulation) are integrated but owned elsewhere; your focus stays on the core energy purchase journey. It is a dynamic environment where we need someone who is resilient under pressure, takes responsibility, and is willing to both give and receive feedback.

As part of a dedicated scrum team, your responsibilities include:

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• Developing, maintaining, and optimizing the Commodity purchase flow in Angular, including product configuration, multi-step forms, and order submission.

• Building and supporting: a standalone Angular application and CMS-embedded Angular web components for EPiServer pages.

• Integrating with back-end services for product selection, offers, leads, address lookup, usage estimation, and order APIs.

• Support our data-driven CXO experiments for improving in the sales funnel. Coordinate and develop new A/B tests with our experimentation tool in VWO using feature flags.

• Write unit tests and collaborate with our QA colleague in building new Cypress E2E regression tests; contributing to CI/CD pipelines and releases across dev, tst, acc, and prd.

• Participating in several AI initiatives with our core AI / Nina team

• Contributing to front-end standards and best practices within the Nx monorepo, including design system adoption and Tailwind migration.

• Collaborating with UX, platform, and back-end teams on API contracts, performance, accessibility, and production support.

• Challenging requirements and translating them into technically feasible, maintainable solutions.

• Proven experience (Minumum 5 years) with Angular (v20+), TypeScript, SCSS, HTML5, and RxJS/Signals.

• Experience or interest in developing code with AI tools.

• Experience with state management (NGXS or similar) and REST/BFF integration patterns.

• Experience with unit testing (Jest/Vitest) and E2E testing (Cypress).

• Familiarity with web components (@angular/elements), and lazy-loaded routing.

• Experience with CI/CD (Azure DevOps), Nx monorepos, and trunk-based Git workflows.

• Understanding of Azure Cloud and REST-based architectures.

• Experience with analytics tagging (Relay, Adobe) and A/B testing tools (e.g., VWO) is a plus.

Soft skills:

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• Customer-focused mindset with strong communication skills and the ability to collaborate effectively with non-technical stakeholders.

• Structured and proactive way of working, with a passion for quality, continuous improvement, and reliable delivery in production-critical flows.

Education:

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.

Practical information:

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• Previous experience in the energy sector is not required.

• Fluent in Dutch (mandatory) and English, both written and spoken.

• Tuesday is an office day.

• CV’s can be submitted in Dutch and English.

Functie-eisen: Proven experience (minimum 5 years) with Angular (v20+), TypeScript, SCSS, HTML5, and RxJS/Signals. Experience or interest in developing code with AI tools. Experience with state management (NGXS or similar) and REST/BFF integration patterns. Experience with unit testing (Jest/Vitest) and E2E testing (Cypress). Familiarity with web components (@angular/elements) and lazy-loaded routing. Experience with CI/CD (Azure DevOps), Nx monorepos, and trunk-based Git workflows. Understanding of Azure Cloud and REST-based architectures. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field. Fluent in Dutch and English, both written and spoken.

Wensen: Experience with analytics tagging (Relay, Adobe) and A/B testing tools (e.g., VWO) is a plus. Solliciteer nu!