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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Frontend Software Engineer - **Company:** Expereo - **Location:** Amsterdam, Netherlands - **Experience:** Expert - **Salary:** €5,000.0 - €5,833.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Artificial Intelligence, Amazon Web Services, Component-Based Software Engineering, Automation of Tests, C Sharp (Programming Language), Cursor (Graphical User Interface Elements), Performance Tuning, Role-Based Access Control, Mendix, Responsive Web Design, Salesforce.Com, Software Engineering, TypeScript, Web Content Accessibility Guidelines, Web Application Frameworks, Datadog, .NET Core, Tailwind, ReactJS, Cypress (Programming Language), Programmable Network, Webpack, Material UI, Playwright, Data Analytics, Performance Monitor, Extreme Programming, Low-code, Build Tools, Graphql, Front End Software Development, React Redux, Virtual Agents, Restful APIs, Microservices - **Published:** July 23, 2026 - **Apply:** https://www.adzuna.nl/details/5810903204 ## About the Role Must Have * Strong proficiency with JavaScript and TypeScript. * Experience with modern frameworks such as React * Understanding of component-based architecture and state-management patterns (Redux, Zustand, Vuex, etc.). * Experience integrating with REST APIs, GraphQL and microservices. * Familiarity with front-end build tools (Vite, Babel,..) and CI/CD pipelines. * Familiarity with css frontends (Tailwind, Bulma, ...) * Knowledge of automated testing frameworks (Jest, Cypress, Playwright). * Understanding of accessibility (WCAG), UI performance tuning, and responsive design. * Knowledge of C# /.Net Core Nice to have * Exposure to agentic AI Experience with design systems or component libraries (Storybook, MUI, Chakra). * Exposure to agentic AI concepts or data-driven UI architectures. * Familiarity with AI Agents and tools (Cursor, Claude Code, Codex) * Familiarity with programmable networks or observability tooling. * Experience with low-code platforms (Mendix, Salesforce). * Understanding of security best practices in the front-end (content security policy, dependency scanning, RBAC patterns). * Familiarity with AWS cloud infrastructure and services Mindset * Builder mentality with strong ownership. * Code-first, automation-first approach. * A full-stack learning approach to ensure team resilience. ## Description We are building a new Digital Office to accelerate Expereo's transformation through the Single-Threaded Owner (STO) model. As a Software Engineer (Front End) in either the Commercial XP, you will be part of a full-stack, outcome-driven squad focused on delivering intuitive, performant, scalable digital experiences. You will design and implement modern front-end applications, shared UI components, and frameworks that support automation, observability, and a fully programmable platform. This role is ideal for engineers who thrive in impact-driven, cross-functional teams and enjoy building elegant user experiences backed by solid engineering rigor. Key Responsibilities Front-End Application Development * Build and maintain dynamic, responsive web applications using modern front-end frameworks (React). * Develop reusable UI components, design systems, and cross-STO shared libraries. * Integrate front-end applications with internal/external APIs and platform services. Performance, Quality & Reliability * Ensure front-end applications meet the highest standards of performance, accessibility, and security. * Implement automated testing across unit, integration, and end-to-end layers. * Build observability into user-facing applications, enabling proactive monitoring and rapid issue resolution. Automation & Standardization * Promote consistent coding patterns and architectural standards across squads. * Contribute to CI/CD pipelines for front-end delivery, including build optimization and automated quality gates. * Drive improvements that reduce manual processes and accelerate release cycles. Facilitating Innovation * Support Partner with designers, architects, and back-end engineers to explore new product capabilities. * Support initiatives like agentic AI enablement, data-driven UX, and programmable network experiences. * Contribute to reference implementations and front-end engineering guardrails. ## Related Videos - [WeAreDevelopers LIVE – Frontend Inspirations, Web Standards and more](https://www.wearedevelopers.com/videos/1761-wearedevelopers-live-frontend-inspirations-web-standards-and-more) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Micro Frontends with Module Federation: Why and How?](https://www.wearedevelopers.com/videos/165-micro-frontends-with-module-federation-why-and-how) - [GraphQL + Apollo + Next.js: A Lovely Trio](https://www.wearedevelopers.com/videos/311-graphql-apollo-next-js-a-lovely-trio) - [Native Federation: The Future of Micro Frontends and Plugin-Systems in Angular](https://www.wearedevelopers.com/videos/1018-native-federation-the-future-of-micro-frontends-and-plugin-systems-in-angular) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front)