Senior Engineer-Frontend @ dunnhumby

dunnhumby is the global leader in Customer Data Science, empowering businesses everywhere to compete and thrive in the modern data-driven economy. We always put the Customer First.

Our mission: to enable businesses to grow and reimagine themselves by becoming advocates and champions for their Customers. With deep heritage and expertise in retail – one of the world’s most competitive markets, with a deluge of multi-dimensional data – dunnhumby today enables businesses all over the world, across industries, to be Customer First.

dunnhumby employs nearly 2,500 experts in offices throughout Europe, Asia, Africa, and the Americas working for transformative, iconic brands such as Tesco, Coca-Cola, Meijer, Procter & Gamble and Metro.

Position Overview:

We are looking for a Senior Frontend Engineer with expertise in React, TypeScript, Kubernetes fundamentals, and micro frontend design principles to join our growing engineering team. As a Senior Engineer, you will be responsible for building scalable, high-performance web applications, integrating seamlessly with backend APIs, and ensuring maintainability and testability of your code. You will also have a chance to work on cutting-edge technologies, including containerized applications with Kubernetes and advanced CI/CD pipelines. If you are passionate about frontend technologies, micro frontend architectures, and driving impactful software solutions, we’d love to hear from you.

Key Responsibilities:

· Frontend Development: Build modern, dynamic web applications using React.js and TypeScript, ensuring optimal user experience and scalability.

· Micro Frontend Design: Implement and maintain micro frontend architectures, promoting the development of modular, independently deployable, and reusable frontend components.

· API Integration: Work closely with backend engineers to integrate RESTful and GraphQL APIs into frontend applications, ensuring seamless data flow and user interface updates.

· Unit Testing: Write and maintain unit tests for frontend components using modern testing frameworks like Jest, React Testing Library, and Enzyme to ensure code quality and stability.

· CI/CD Pipelines: Collaborate with DevOps teams to set up, enhance, and maintain CI/CD pipelines to automate testing, building, and deployment of frontend applications.

· Performance Optimization: Optimize the performance of frontend applications, including code splitting, lazy loading, and minimizing rendering times to deliver fast, responsive user experiences.

· Collaboration: Work with cross-functional teams, including product managers, backend engineers, UX/UI designers, and QA, to deliver end-to-end software solutions that meet business requirements.

· Mentorship: Guide and mentor junior engineers, providing technical leadership and fostering best practices in frontend development.

· Documentation: Maintain clear, concise documentation for frontend components, APIs, and integration workflows, ensuring knowledge sharing across the team.

Required Skills & Qualifications:

· React.js & TypeScript: Strong expertise in building frontend applications using React.js and TypeScript, with experience in hooks, functional components, and state management (e.g., Redux, Context API).

· Micro Frontend Design: Solid understanding of micro frontend architecture, including modularization, independent deployment, and managing different frontend modules.

· Kubernetes Fundamentals: Basic knowledge of Kubernetes and containerized applications, including deploying and managing frontend apps in a Kubernetes environment.

· API Integration: Proficiency in integrating frontend applications with backend APIs (RESTful, GraphQL) and handling asynchronous requests and responses effectively.

· Unit Testing: Experience writing unit tests and integration tests for React applications using frameworks like Jest, React Testing Library, and Mocha.

· CI/CD Pipelines: Hands-on experience with setting up and maintaining CI/CD pipelines using tools like Jenkins, GitLab CI, or Azure DevOps.

· Version Control: Expertise with Git, including branching strategies and collaboration using Git workflows.

· Frontend Performance Optimization: Strong knowledge of techniques to optimize frontend performance, such as code splitting, lazy loading, and reducing bundle sizes.

· Collaboration & Communication: Strong communication skills to work with diverse teams, discuss complex technical concepts, and document solutions effectively.

· Problem Solving: Strong analytical and troubleshooting skills for identifying issues, debugging, and resolving them in a timely manner.

Preferred Qualifications:

· Advanced State Management: Experience with advanced state management solutions such as Redux, Zustand, or Recoil.

· Containerization Tools: Familiarity with Docker and how to use containers in frontend application development and deployment.

· Design Systems & UI Libraries: Experience with design systems or component libraries like Material UI, Ant Design, or custom libraries.

· Cloud Platforms: Experience deploying applications on cloud platforms such as Google Cloud, or Azure.

· Monitoring & Observability: Familiarity with monitoring tools like Google Analytics, Sentry, or New Relic for tracking frontend performance and user behaviour.

· Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.

For further information about how we collect and use your personal information please see our Privacy Notice which can be found (here)

What you can expect from us

We won’t just meet your expectations. We’ll defy them. So you’ll enjoy the comprehensive rewards package you’d expect from a leading technology company. But also, a degree of personal flexibility you might not expect. Plus, thoughtful perks, like flexible working hours and your birthday off.

You’ll also benefit from an investment in cutting-edge technology that reflects our global ambition. But with a nimble, small-business feel that gives you the freedom to play, experiment and learn.

And we don’t just talk about diversity and inclusion. We live it every day – with thriving networks including dh Gender Equality Network, dh Proud, dh Family, dh One and dh Thrive as the living proof. We want everyone to have the opportunity to shine and perform at your best throughout our recruitment process. Please let us know how we can make this process work best for you. For an informal and confidential chat please contact [email protected] to discuss how we can meet your needs.

Our approach to Flexible Working

At dunnhumby, we value and respect difference and are committed to building an inclusive culture by creating an environment where you can balance a successful career with your commitments and interests outside of work.

We believe that you will do your best at work if you have a work / life balance. Some roles lend themselves to flexible options more than others, so if this is important to you please raise this with your recruiter, as we are open to discussing agile working opportunities during the hiring process.

For further information about how we collect and use your personal information please see our Privacy Notice which can be found (here)

Senior Engineer-Frontend

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