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Data-driven CRO manager with 3+ years optimizing product discovery → PDP → cart → checkout through structured experimentation, behavioral analysis, and cross-functional delivery. Owns CRO end-to-end: audits, prioritization, A/B + MVT execution, measurement, and documentation. Focused on revenue growth without increasing ad budgets…

Jonathan A. Brusser

Conversion Rate Optimization Expert, Marketing Analyst, Growth Marketer, +2

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Data-driven CRO manager with 3+ years optimizing product discovery → PDP → cart → checkout through structured experimentation, behavioral analysis, and cross-functional delivery. Owns CRO end-to-end: audits, prioritization, A/B + MVT execution, measurement, and documentation. Focused on revenue growth without increasing ad budgets…

Available to hire

Data-driven CRO manager with 3+ years optimizing product discovery → PDP → cart → checkout through structured experimentation, behavioral analysis, and cross-functional delivery. Owns CRO end-to-end: audits, prioritization, A/B + MVT execution, measurement, and documentation. Focused on revenue growth without increasing ad budgets

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

DaVinci Resolve Studio

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Russian

Fluent

Hebrew (modern)

Fluent

Chinese

Beginner

Work Experience

Analytics & CRO Manager (Agency) at Jellyfish LTD

November 1, 2024 - December 31, 2025

Owned end-to-end CRO strategy for e-commerce and performance-driven B2B clients across gaming, finance, SaaS and health (web & app platforms). Led continuous experimentation programs, running A/B and multivariate tests across landing pages, PDPs and checkout flows. Delivered +15% purchase rate uplift (statistical significance 95%). Built quarterly CRO roadmaps and test prioritization using ICE, PIE and CXL frameworks, aligning initiatives with revenue impact and funnel maturity. Improved high-intent flow completion through UX improvements and friction reduction tests, delivering +10-25% uplift in primary conversion metrics. Worked on CRO programs for Shopify, WooCommerce and Magento stores, collaborating with dev and design teams on theme and checkout changes to improve AOV and LTV by 3-10%.

Analytics & Optimization Executive at Jellyfish LTD

October 1, 2022 - November 1, 2024

Conducted full-scale CRO audits using the LIFT model, competitor research, and qualitative and quantitative data analysis. Presented findings to stakeholders to inform future decisions. Identified conversion blockers across the user journey and formulated data-backed hypotheses to resolve pain points through structured A/B testing. Used behavioral tools such as Hotjar and FullStory to map user intent, translating scroll depth, range clicks and heatmaps into actionable UI improvements. Aligned with UX and development teams to optimize user journeys, leveraging information hierarchy, trust-building, and anchoring techniques to minimize friction and maximize motivation.