Senior Growth Engineer

Salary: £75,000 - 75,000 per year

Requirements

• 3-6 years of experience in a high-growth startup, D2C brand, or specialised ecommerce agency.
• Expert-level proficiency in JavaScript, HTML, CSS, and Shopify/Liquid development.
• Proven ability to write Python or similar scripting languages for automation and AI-driven workflows.
• A builder mindset with a bias for action; prefers shipping code to sitting in strategy meetings.
• Strong commercial acumen with an understanding of unit economics and growth metrics.
• Experience with headless e-commerce architectures (nice-to-have).
• Deep understanding of attribution modelling and advanced GA4 configurations (nice-to-have).
• Prior experience in a remote-first, fast-paced environment (nice-to-have).

Responsibilities

• Develop and enhance our Shopify experience through custom Liquid development, CRO experiments, and advanced UX testing to drive conversion.
• Lead the integration and optimisation of our tech stack, including Klaviyo, Recharge, and custom APIs, ensuring a seamless data flow across the customer journey.
• Architect and deploy Python-based scripts and AI workflows to automate manual processes, accelerate output, and improve business-wide efficiency.
• Build sophisticated retention automations and lifecycle flows that measurably increase Customer Lifetime Value (LTV).
• Enhance tracking, data visibility, and performance infrastructure to ensure all growth experiments are accurately measured and scalable.

Technologies

• AI
• Architect
• CSS
• Flow
• JavaScript
• Liquid
• Python
• Shopify
• UX UI Design

More

We are a high growth D2C supplement brand seeking a Senior Growth Engineer to operate at the critical intersection of ecommerce and AI automation. This pivotal role is designed for a technical builder who can bridge the gap between commercial strategy and execution. You will have the opportunity to work directly with our ecommerce leadership team, impacting our commercial performance and operational efficiency.

last updated 17 week of 2026