Luka Kalajžić

Growth Marketing Consultant

Pieces for Developers

AI startup creating a second brain AI assistant for programmers

10/2024 – Present, Remote (US)

• Contract engagement focusing on improving paid ads performance related to user acquisition
• Tripled website conversion rate and separately tripled download → onboarded conversion rate from paid ads
• Decreased the cost to acquire new users from paid ads by 40x (not a typo) with CRO & better advertising

Chief Marketing Officer

JavaScript Mastery

Leading tech education company producing content and infoproducts

07/2023 – 02/2025, Remote (EU)

• Contributed to 168.27% YoY growth with planning and hands-on execution of marketing initiatives
• Lead a product launch with a team of four resulting in a 7x revenue increase compared to the prior launch
• Generated multiple six-figures to date with email copywriting; Wrote a sales page that converts at 5.3% (6x previous conversion rate); Doubled retention rate on YouTube videos

Head of Advertising

JavaScript Mastery

09/2022 - 07/2023, Remote (EU)

• Obsessed with learning, I now also produce all copy, emails, landing & sales pages, and written content
• Created a bootcamp-style program that generated over $500,000/yr; from idea, positioning, offer, to acquisition

Growth Marketing Manager

JavaScript Mastery

03/2022 – 09/2022, Remote (EU)

• Focused on positioning, ad copywriting, and managing paid ads on Facebook, Instagram, and Google
• Launched paid ads initiatives from scratch that generated $168,000 at 14.43 ROAS to date

Senior Performance Marketing Specialist

Empire State Ventures

02/2022 – 12/2022, Remote (US)

• Handled client communications and reporting in the senior role
• Drove millions in revenue at 3x ROAS for Kanga Coolers on Meta
• Raised $2.4M+ through crowdsourcing for Island Brands on Meta
• Left the position to dedicate full-time to JavaScript Mastery after training a replacement

Performance Marketing Specialist

Empire State Ventures

09/2021 – 02/2022, Remote (US)

Media Buyer

AXAD LLC

08/2020 – 10/2020, Remote (US)

PPC Specialist

Your Digital Marketer

01/2020 – 08/2020, Remote (UK)