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David J

@davidj5

Creative strategist at SLAY who built an AI-powered engine producing 30–40 Meta ad variants weekly and nearly halved blended CPA.

United Kingdom

Message

At SLAY Nicotine Pouches, I built the marketing operation from launch and created a Claude-powered creative engine that increased output from about four to 30–40 Meta ad variants a week. That testing system nearly halved blended Meta CPA, from £110 to £60.

I also worked on SLAY’s Shopify site rebuild, adding new offers and in-cart upsells as conversion rose from 0.18% to 1.62%. Before SLAY, I co-founded CartelSoftware and built a full-funnel acquisition engine that reached 123 paying accounts.

Experience

Work history, roles, and key accomplishments

Current

Marketing Manager

Current

Continental Tobacco UK Ltd

Dec 2025 - Present (11 months)

Built SLAY's marketing from scratch, reporting to the UK Managing Director. Managed a ~£10k/month budget, a social media manager, 2 designers, 5 UGC creators and external agencies.

Meta Ads Manager Google Ads Shopify Klaviyo Claude Slack AI Workflow Creative Strategy Paid Social Landing Pages Conversion Rate Optimization

Founding Partner

Cartel Software

Jun 2023 - Sep 2025 (2 years 3 months)

Co-founded a trading-automation software business and built a full-funnel acquisition engine, reaching 123 paying accounts. Grew the business from £0 to a £50,000 acquisition within a year.

Acquisition Marketing Webinars Referral Programs Social Media Customer Advocacy

Patient Experience Coordinator and NEPTS Call Handler

HTG-UK

Jan 2021 - Jan 2025 (4 years)

Oversaw patient experience across NHS transport contracts worth £10-30m, keeping complaints below 0.1% of 800,000+ annual journeys. Coordinated station managers in 6 areas.

Patient Experience Operations Coordination Complaint Management

Freelance Digital Marketer

Self Employed

Jan 2018 - Jan 2022 (4 years)

Delivered websites, branding and advertising for local business clients, including a float lab and Castle Dental Care. Introduced automation tools for appointment booking and Instagram outreach.

Web Design Branding Advertising Automation Instagram

Education

Degrees, certifications, and relevant coursework

Google

Google Ads Measurement Certification, Digital Marketing

Earned the Google Ads Measurement Certification in 2026.

Google

AI-Powered Performance Ads Certification, Digital Marketing

Earned the AI-Powered Performance Ads Certification in 2026.

The Open University

BA (Hons), Business Management (Marketing)

Completed a BA (Hons) in Business Management with a focus on Marketing, studying over four years with the final two part-time alongside full-time work.