Lead Full Stack Engineer

Expereo International; Amsterdam; On-site; EUR 110,000 - 150,000; Full time

Job summary

Expereo International is seeking a Lead Engineer for the new Digital Office to accelerate the company’s transformation. You will join an outcome-driven squad, shaping engineering best practices across front-end and back-end systems that power the Expereo customer journey.

You will design scalable applications using React, Vue, Angular for front-end and Node.js or Python for back-end services, while mentoring engineers, building reusable components, and driving CI/CD and observability across

Qualifications

• Leads technical decision-making and mentors engineers.
• Experience building and consuming REST, GraphQL, streaming/event-driven APIs, and microservices.
• Strong understanding of automated testing (Jest, Cypress, Playwright).
• Familiarity with modern front-end frameworks (React, Vue, Angular) and back-end services (Node.js/Python).
• Knowledge of CI/CD pipelines and cloud environments (AWS, Azure, GCP).

Responsibilities

• Lead design and maintenance of scalable front-end applications and back-end services.
• Mentor engineers and establish engineering best practices.
• Develop reusable UI components, design systems, and internal service frameworks.
• Build and integrate APIs and ensure performance, security, accessibility, and reliability.
• Champion reliability engineering and performance optimization.
• Contribute to CI/CD pipelines, tooling, and platform abstractions.

Skills

React

Vue

Angular

Node.js

Python

REST APIs

GraphQL

CI/CD

Testing

Jest

Cypress

Playwright

AWS

Observability

Security

TypeScript

Tools

WebPack

Vite

Job description

• As a Lead Engineer within our new Digital Office, you will play a critical role in accelerating Expereo’s transformation through the Single-Threaded Owner (STO) model. Operating within either the Commercial XP or In-Life XP STO, you will join a full-stack, outcome-driven squad focused on delivering intuitive, performant, scalable digital experiences across the Expereo customer journey
• You will design and build modern front-end and back-end applications, mentor engineers, shape engineering best practices, and contribute to a truly programmable, automated digital platform. This role is ideal for engineers who thrive in high-impact, cross-functional environments and enjoy building elegant user experiences backed by robust, scalable distributed systems
• Lead the design and maintenance of scalable front-end applications (React, Vue, Angular) and back-end services (Node.js, Python, or similar), creating reference implementations and documentation for the team to follow
• Develop reusable UI components, design systems, shared libraries, and internal service frameworks
• Build and integrate APIs (REST, GraphQL, event-driven and microservices architectures)
• Ensure applications meet the highest standards of performance, security, accessibility, and reliability
• Lead automated testing across unit, integration, contract, and end-to-end layers
• Implement observability in both front-end and back-end systems, including logging, metrics, tracing, and alerting
• Champion reliability engineering practices and performance optimization
• Contribute to and evolve CI/CD pipelines, build tooling, infrastructure automation, and quality gates
• Drive engineering standardization across STOs, including coding guidelines, architectural patterns, and platform abstractions
• Lead initiatives that reduce friction, improve developer experience, and accelerate delivery cycles
• Partner with designers, architects, product managers, and engineers to ensure the technical direction aligns with long-term platform goals
• Partner directly with designers and your team’s Product Manager to evaluate the technical feasibility of new capabilities and provide effort estimations
• Foster a high-ownership engineering culture through active mentorship and by setting the bar for code quality and testing layers
• Lead explorations of new technologies, including agentic AI enablement, data-driven UX, programmable networks, and developer tooling
• Contribute to reference implementations, architectural blueprints, and engineering guardrails
• Identify technical risks early in the product lifecycle and propose pragmatic solutions to mitigate them

Experience leading technical decision-making and mentoring experienced engineersYou treat the product as your own and prioritize long-term stability over short-term “hacks”Experience building and consuming REST, GraphQL, streaming/event-driven APIs, and microservicesStrong understanding of automated testing (Jest, Cypress, Playwright)Exposure to agentic AI, data-driven UI architectures, or AI-powered developer tools (Cursor, Claude Code, Copilot)Experience with cloud environments (AWS, Azure, or GCP)Familiarity with programmable networks, observability tooling, or network automation conceptsExpertise in modern front-end frameworks (React, Vue, or Angular)You are eager to work across the full stack and stay curious about the evolving tech landscapeSolid grounding in accessibility (WCAG), security best practices, observability, and performance tuningFamiliarity with modern build tools (Vite, Webpack, Babel) and CI/CD pipelines (GitHub Actions, GitLab, Azure DevOps, etc.)Code-first and automation-first approach to solving problemsExperience with CSS frameworks (Tailwind, Bulma, MUI, Chakra)Knowledge of component-based architecture, state-management patterns (Redux, Zustand, Vuex, etc.)Understanding of advanced security practices (CSP, threat modeling, RBAC patterns, dependency scanning)Experience in distributed systems or event-driven architecturesExperience with design systems, component libraries, or StorybookExperience working with SalesforceStrong proficiency with JavaScript & TypeScript and back-end languages (.NET must, Node.js or Python preferred)