Senior Software Engineer & Tech Lead - Scalable Shopper Platform

Jobs in JS; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Family Care Leave

Insurances

Wellbeing

Colleague Discount

Bonus

Workplace

Job summary

LEGO Group is seeking a Lead Software Engineer to shape the future of the LEGO Group's digital shopper experience across LEGO.com, mobile apps, and the supporting foundations. This hands-on leadership role guides architecture and delivery, enabling teams to scale while staying close to the codebase.

The role emphasizes technical direction, collaboration with product managers and designers, and improving efficiency and reliability as traffic grows.

Qualifications

• Built and operated production software in JavaScript and TypeScript at scale.
• Led architectural decisions for large public-facing digital products, documenting trade-offs and long-term outcomes.
• Delivered cloud-native services on AWS, Azure, or GCP, including distributed or microservice-based systems.
• Shaped technical direction across multiple teams while remaining an active contributor to software delivery.
• Implemented GraphQL-powered applications or services in production environments.
• Improved platform scalability, performance, or operational cost through measurable engineering changes.

Responsibilities

• Technical direction for product areas across LEGO digital shopper experiences.
• Architectural improvements that support continued traffic growth while maintaining efficiency and reliability.
• Solutions that improve product discoverability and support evolving European compliance requirements.
• Engineering standards covering testing, security, observability, accessibility, and performance.
• Strong technical partnerships with product managers and digital designers from discovery through delivery.

Skills

JavaScript/TypeScript

Architectural leadership

Cloud-native services

GraphQL in production

Performance optimization

Tools

React/Next.js

GitHub Actions

Terraform

CDK

GraphQL

Job description

LEGO Group is seeking a Lead Software Engineer to shape the future of the LEGO Group's digital shopper experience across LEGO.com, mobile apps, and the supporting foundations. This hands-on leadership role guides architecture and delivery, enabling teams to scale while staying close to the codebase.

The role emphasizes technical direction, collaboration with product managers and designers, and improving efficiency and reliability as traffic grows.