Senior Frontend Engineer – Digital Experiences

Job Description

Are you a seasoned frontend engineer who loves crafting accessible, high‑quality interfaces used by millions? Join the LEGO Group and help shape the web and app experiences that connect fans of all ages to play, content, and commerce. You’ll set the bar for performance, accessibility, and engineering excellence across our digital ecosystem while working closely with designers, backend engineers, product managers, and QA.

As a Senior Frontend Engineer at the LEGO Group, you will own and evolve end‑to‑end user journeys across our digital touchpoints - delivering consistent, inclusive, and scalable experiences. If you thrive in a dynamic environment and are passionate about frontend craft, we’d love to have a dialogue with you.

Core Responsibilities

• Design, develop, and maintain high‑quality frontend solutions across LEGO apps and websites.
• Collaborate closely with designers, backend engineers, product managers, engineering managers, and QA to deliver cohesive, cross‑functional solutions.
• Write and maintain comprehensive tests (unit, integration, end‑to‑end) to ensure reliability and quality.
• Contribute to frontend architecture decisions, ensuring scalable and maintainable codebases.
• Work with modern frameworks and tooling (React, TypeScript, Next.js, Node.js).
• Improve web performance and observability by tracking metrics such as Core Web Vitals, real user monitoring, error rates and latency, and act on insights to enhance speed and reliability.
• Champion accessibility and semantic HTML to ensure inclusive experiences for fans of all ages.
• Understand integration patterns in a microservice and micro‑frontend environment; familiarity with web security and authentication standards (e.g., OIDC) is a plus.
• Stay current with modern frontend practices and advocate for continuous improvement within the team.
• Participate in agile ceremonies and contribute to a collaborative, iterative development culture.
• Share knowledge, mentor peers, and contribute to technical documentation and best practices.

Play your part in our team succeeding

You will join a product team in the Kids & Ecosystem Technology domain to shape account and identity journeys across our global digital products. You will build performant, accessible, and safe sign up, sign in, and account recovery flows for LEGO® mobile and web apps, supporting the LEGO Group’s ambition to build direct, long lasting relationships with kids, adults and families.

Do you have what it takes?

• Solid of experience in Senior frontend engineering roles.
• Strong proficiency in React and TypeScript.
• Experience with Next.js and Node.js.
• Deep understanding of semantic HTML and accessibility best practices.
• Experience working with Design Systems and UI Component Libraries.
• Solid experience with testing (unit, linting, integration, end‑to‑end).
• Familiarity with microservice and micro‑frontend architecture; understanding of web security and authentication (e.g., OIDC).
• Background in agile development environments.
• Excellent communication and collaboration skills.
• Self‑driven with a proactive mindset.

Great to have

• Experience working with bundlers and module federation.
• Experience with DevOps practices—GitHub Actions, CI/CD pipelines, automated workflows.
• Familiarity with cloud platforms (AWS).
• Knowledge of Tailwind CSS.
• Ability to contribute to backend development when needed.
• Exposure to solution architecture.
• Familiarity with monorepo build tools (Turbo, Nx, Lerna).
• A quality‑driven mindset with a focus on best practices and code standards.
• Enthusiasm for agile ways of working and continuous improvement.

Applications are reviewed on an ongoing basis. However, please note we do amend or withdraw our jobs and reserve the right to do so at any time, including prior to any advertised closing date. So, if you're interested in this role we encourage you to apply as soon as possible.

What’s in it for you?

Here is what you can expect:

Family Care Leave - We offer enhanced paid leave options for those important times.

Insurances – All colleagues are covered by our life and disability insurance which provides protection and peace of mind.

Wellbeing - We want our people to feel well and thrive. We offer resources and benefits to nurture physical and mental wellbeing along with opportunities to build community and inspire creativity.

Colleague Discount – We know you'll love to build, so from day 1 you will qualify for our generous colleague discount.

Bonus - We do our best work to succeed together. When goals are reached and if eligible, you'll be rewarded through our bonus scheme.

Workplace - When you join the team you'll be assigned a primary workplace location i.e. one of our Offices, stores or factories. Our hybrid work policy means an average of 3 days per week in the office. The hiring team will discuss the policy and role eligibility with you during the recruitment process.

Children are our role models. Their curiosity, creativity and imagination inspire everything we do. We strive to create a diverse, dynamic and inclusive culture of play at the LEGO Group, where everyone feels safe, valued and they belong.

The LEGO Group is highly committed to equal employment opportunity and equal pay and seeks to encourage applicants from all backgrounds (eg. sex, gender identity or expression, race/ethnicity, national origin, sexual orientation, disability, age and religion) to apply for roles in our team.

The LEGO Group is fully committed to Children’s Rights and Child Wellbeing across the globe. Candidates offered positions with high engagement with children are required to take part in Child Safeguarding Background Screening, as a condition of the offer.

Thank you for sharing our global commitment to Children’s Rights.

Just imagine building your dream career.

Then make it real.

Join the LEGO® team today.