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Mihaly S.
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Mihaly S.

Klaviyo Email & SMS Marketing Expert - Retention LTV Growth Strategist

Had enough of scammy freelancers with stolen portfolios and fake Upwork reviews, or overpriced agencies that promise you the stars and then hand you off to an overwhelmed, underpaid account manager and forget about you? I only work with a limited number of stores at a time to ensure quality. You will communicate directly with me, I personally handle your account, and you can reach out anytime with questions or concerns. 🎯 Struggling to Convert Your Email and SMS List, Reduce Churn, and Increase LTV? If you're done pouring money into paid ads with shrinking ROI, you're not alone. In 2026, smart eCommerce brands are thriving by turning to retention marketing. I help Shopify, WooCommerce, Magento and Funnelish stores turn existing traffic into predictable, high-margin revenue, using email, SMS, and personalized customer journeys that boost repeat purchases and LTV. ✨ How I Can Help You I build growth engines that work while you sleep: - 🛠️ Full Email Automation & Flow Setup + Ongoing Campaign Management - 🎯 Advanced Lifecycle, Retention, LTV & CAC Strategies Tailored to Your Brand’s Growth Goals - 🧠 AI-personalization for Email & SMS that feel 1:1 - 🎯 Behavior-Based Segmentation & Targeting, leveraging RFM framework and analysis - 📲 Cross-Channel Campaigns: Email, SMS, Push, Referral & Loyalty - 📬 Improve Deliverability, Domain Reputation & List Health for Better Inboxing - 🧪 A/B Testing + Analytics to improve ROI over time - 💬 Copy, Design, and Strategy all done for you 💬 What Clients Say “Our email and SMS setup was all over the place before we started working together. Mihaly built out full campaigns and flows that now drive over 30% of our revenue. Our retention rate is up, LTV has increased significantly, and we finally have a system that works without constant micromanaging.” – Founder, DTC Apparel Brand “We used to rely too heavily on ads, but since implementing his retention strategy, we’ve seen a big jump in repeat purchases and overall LTV. Mihaly revamped our entire Klaviyo setup, flows, segmentation, campaigns, now everything is aligned with our brand and lifecycle goals.” – CMO, Skincare Startup ✅ Tools, Skills & Platforms I Work With ESP Platforms: Klaviyo (Partner), Sendlane, Omnisend SMS Tools: Postscript, SMSBump, Attentive Retention Tools: Smile. io, Yotpo, Okendo, ReferralCandy Subscription: Recharge, Recurly Analytics & LTV: Triple Whale, Peel, Lifetimely Popups: Optimonk, Privy, Optinmonster Data & Personalization: Octane AI, Typeform, Meta Events Creatives: Figma, Canva, Copywriting, AI Design (Midjourney, ChatGPT) eCommerce Platforms: Shopify, WooCommerce, Magento, Funnelish 🔑 Keywords Email Marketing, SMS Marketing, Klaviyo Expert, Lifecycle Automation, Customer Journey, eCommerce Email, Audience Segmentation, Welcome Flow, Post-Purchase Flows, Browse Abandonment, Abandoned Checkout, Winback, Add To Cart, Review Flow, Repeat Purchase Campaigns, LTV Growth, CAC Reduction, Triple Whale Analytics, First-Party Data Strategy, Personalized Campaigns, Referral Program, SMS Flow, Replenishment Flow, Customer Lifetime Value, RFM Model 🔥 Let’s Get Started If you want to build a profitable retention engine that runs without babysitting, I'm your guy. Reach out now and let’s make your email and SMS do the heavy lifting! Cheers, M

🇭🇺Budapest, Hungary$39/hr100% JSS4.74 (38)Since Aug 2020
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Earnings and projects

MRR
$1.5k

Last 6 months ÷ 6

World#31,500 / 412k
🇭🇺Country#59 / 713
Revenue, last 30 days
$550

Last 6 months: $9.2k

World#60,374 / 412k
🇭🇺Country#105 / 713
Total earnings
$77k

Billed in all: $77k

World#51,520 / 412k
🇭🇺Country#100 / 713
Per project
$952

$834 in the last 6 months

World#127,685 / 412k
🇭🇺Country#234 / 713
Projects, last 6 months
11

Across 13 contracts

100% fixed0% hourly
World#15,931 / 412k
🇭🇺Country#30 / 713
Projects in all
81

Across 93 contracts

91% fixed9% hourly
World#36,183 / 412k
🇭🇺Country#67 / 713

Earnings, last 30 days

$77.3k+$550 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$76.5k$77.0k$77.5kOct 8Oct 23Nov 7

Skill rankings: Top 8% in Email & Newsletter

Ranked by MRR among everyone on Upwork with the skill.

  1. #53Audience Segmentation & Targeting476 freelancers · 🇭🇺 #1Top 11%
  2. #63SMS521 freelancers · 🇭🇺 #2Top 12%
  3. #64Email Marketing Consultation464 freelancers · 🇭🇺 #1Top 14%
  4. #116Email1,368 freelancers · 🇭🇺 #1Top 8%
  5. #136Email & Newsletter1,804 freelancers · 🇭🇺 #1Top 8%
  6. #198Email Marketing Strategy2,223 freelancers · 🇭🇺 #2Top 9%
  7. #204Email Design2,188 freelancers · 🇭🇺 #2Top 9%
  8. #222Email Deliverability1,880 freelancers · 🇭🇺 #4Top 12%