Job Specifications
About Lyst
Lyst is a global fashion shopping platform founded in London in 2010 and catering to over 160M shoppers per year. We offer our customers the largest assortment of premium & luxury fashion products in one place, curating pieces from 27,000 of the world's leading brands and stores. In 2025, Lyst joined Zozo, operators of Zozotown, the leading fashion e-commerce platform in Japan. This partnership marks a bold new era for Lyst, as we accelerate our vision and work together to transform the future of fashion shopping through AI and technology.
At Lyst, we obsess over the customer, providing a search & discovery experience which offers inspiration, fulfilment, and personalisation. We believe that fashion is amazing but shopping for fashion often isn't, and use our technology, data and creativity to bring more joy, greater choice and fewer fails. Our mission is to help fashion shoppers make better choices and help fashion partners find better audiences as the category-leading destination for every fashion shopper.
The Opportunity
We are seeking a Senior Full Stack Engineer to join the Member Experience squad. This is a highly collaborative, cross-functional team focused entirely on elevating the journey for our registered Lyst members.
You will be instrumental in developing and optimizing features related to user personalization, stock/price alerting systems, and creating member-exclusive functionality. Your work will span across the entire membership ecosystem, including the primary website, mobile application, CRM database, and our push-notification/email services. Our collective goal is to engineer seamless, engaging experiences that maximize member retention and value.
Requirements
Core Responsibilities
Lead the development and maintenance of features (both client-side and server-side) critical to our e-commerce platform
The primary development stack involves Python (using the Django framework) for the backend and JavaScript/TypeScript (with React) for the frontend
Build features that gracefully integrate with internal/external APIs and services
Take end-to-end ownership of features, from initial technical design and planning through to production deployment, ensuring measurable business impact
Author dependable, highly tested code, utilizing tools like pytest, Jest with React Testing Library, Storybook, and Cypress for complete coverage
Ensure platform performance and stability by actively leveraging observability tools
Promote engineering excellence by creating high-quality, practical documentation
Our infrastructure is entirely hosted on AWS; you will work hands-on with services such as Kubernetes, Docker, PostgreSQL, Redis, SQS, SNS, and S3
Partner closely with Product Managers, Designers, QA, and other engineers to translate product vision into effective, delivered value
Implement new features as controlled A/B experiments and rigorously measure their impact
Scale and maintain the system responsible for delivering email and push notifications to our user base
Requirements
Demonstrated expertise with Python and robust backend web frameworks (we use Django, but all experience welcome)
Deep proficiency in React, modern JavaScript/TypeScript, HTML, and CSS fundamentals
A comprehensive understanding of web architecture and how the full stack interacts
Ability to produce clear, maintainable, and resilient code
Exceptional knowledge of automated testing methodologies, particularly unit testing, is required to guarantee production quality
A strong proactive desire to refactor and improve existing codebases rather than simply applying patches
Values & Mindset
You possess an inherent curiosity and the drive to take full ownership over improving systems
You are highly detail-oriented and focused on quality improvement
You are a collaborative team player who communicates with clarity and humility. You must be able to convert complex design ideas into coherent execution plans
You demonstrate a clear sense of ownership over the team's features and services
Experience iteratively building, refactoring existing systems, and authoring new code is required
Impact in Your First 90 Days (Goals & Development)
The following targets outline what we expect you to master and contribute within your first three months:
Architectural Fluency: Rapidly gain deep familiarity with our technology stack, architecture, workflows, and tooling. You should be completely comfortable operating within our systems
Feature Delivery Cadence: Establish a consistent and efficient delivery pace, successfully shipping your first major feature
Quality Leadership: Champion best engineering practices and lead with quality. Provide timely, actionable, and constructive feedback during pull request reviews to raise the standard for the entire team
Mentorship & Growth: Actively support and mentor junior developers through pairing, troubleshooting, sharing architectural knowledge, and providing clear feedback
Organizational Collabora
About the Company
Lyst is a global Fashion Tech company and premium shopping app, founded in London in 2010 and catering to over 200M shoppers per year. We offer our customers the largest assortment of premium & luxury fashion items & products in one place, via an assortment of 8.5M+ items from over 17,000 of the world’s leading brands. We are a scale-up business with a current team size of c. 160 people in London, combining an agile mentality with a proven business model and over a decade of experience. This provides a balance between founda...
Know more