Reputation & Tooling
Client Recommendations
Direct feedback from directors, executives, and marketing leads whom I have partnered with to build digital infrastructure.
"Jakub is a true wizard of marketing process automation. During our collaboration with Coders Lab, he provided comprehensive technological architecture for sales and marketing tools, and his skill set proved invaluable. He effectively connects applications across diverse business units, designing coherent, robust ecosystems that drive lead generation and lead routing. His strategic approach is always tailored to specific business objectives, translating directly into measurable results. Beyond his technical prowess, Jakub stands out as a genuine, reliable business partner. I unreservedly recommend him to any company seeking a world-class marketing automation expert."
Dr Grzegorz Morawski
Managing Director, Coders Lab
"For many years Jakub managed infrastructure for the company I served at, where our primary objective was high-volume B2C lead acquisition in a fiercely competitive market. Jakub was responsible for engineering our complete lead generation and attribution architecture. His proficiency with Positive User (formerly User.com), Google Analytics, Google Ads, and Make is truly admirable. What I valued most was his ability to ask strategic business questions and translate them directly into precise formulas, pipelines, and tracking scripts. He is calm, objective, and deeply focused on strategic outcomes."
Magda Wasilewska-Michalska
Chief Operating Officer, Coders Lab
"I have partnered with Jakub since 2016 in online advertising campaigns and digital analytics. Over the years, Jakub has repeatedly proven his deep expertise, dedication, and professionalism. I particularly appreciate his proactive mindset, rapid testing of cutting-edge solutions, and strict focus on goal achievement. I recommend Jakub to anyone seeking an honest, experienced specialist who works strictly with verifiable data and clear ROI targets."
Martyna Olszewska
Marketing Specialist, Lokum Deweloper
"On behalf of DewelopART, we enthusiastically recommend partnering with Jakub. Our collaboration has spanned numerous joint initiatives to acquire high-intent buyers, optimize customer service, and strengthen brand equity. One of his greatest strengths is his inventive approach to problem-solving: ad campaigns, custom external tools, full chat automation, and continuous optimization. We are deeply grateful for his dedication and wish everyone the chance to work with a specialist of his caliber."
Sonia Olszewska
Sales & Marketing Specialist, DewelopART
"With every passing year, my collaboration with Jakub became more intensive. Jakub specialized in web analytics so deeply that the results of his work significantly elevated the commercial value of my client projects. He has a true partnership attitude — you can rely on him completely without micromanagement. He frequently went beyond the brief whenever he spotted additional optimization potential. He embodies a continuous kaizen improvement philosophy."
Konrad Jagieniak
Interim Digital Marketing Strategist, Konrad Jagieniak Consulting
"Jakub has extensive mastery over Positive User (formerly User.com) automation workflows and maneuvers GTM with total ease for bespoke event measurement. His calm, methodical communication style translates into rigorous data accuracy that we directly leverage for ongoing campaign optimization and sales scaling. I gladly recommend Jakub: implement and analyze!"
Szymon Szostek
Sales Director, INFINI.TO
"Thanks to Jakub and his immense patience, one can master even the most advanced marketing tools. I learned automation techniques, email marketing workflows, and strategic automation logic directly from him. For Kuba, nothing is impossible — he always proves that solutions exist. A true magician of marketing-analytics tooling and an outstanding mentor rolled into one."
Karolina Drzas
Senior Marketing Specialist, Coders Lab
"I had the pleasure of working closely with Kuba for over 3 years! He is an exceptionally talented automation and optimization specialist who works wonders for website performance. Beyond his deep technical mastery, Kuba stands out for his empathy, warmth, and patient guidance. A dependable professional with whom collaborating is genuinely inspiring. Wholeheartedly recommended!"
Anna Korban-Sołtysiak
Webmaster
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