I'm an Email Developer and Email Marketing Strategist with a programming background in AI-powered automation and system architecture. With 15+ years of experience, 4,000+ projects delivered for 1,900+ clients worldwide, I build production-ready email systems - not just templates - combining clean HTML/CSS, lifecycle automation, marketing strategy, deliverability expertise, and AI-driven workflows under one roof. Top Rated Plus on Upwork with $700K+ in earnings. What I do: 1. Email Development (Core) Custom HTML/CSS email builds - mobile-responsive, dark-mode-ready, cross-client tested. I work across Mailchimp, HubSpot, Salesforce / Pardot, Marketo, Klaviyo, ActiveCampaign, Campaign Monitor, SendGrid, and Iterable. In 2015, Mailchimp recognised me for identifying and fixing critical rendering bugs in their templates. Certified Mailchimp Partner. 2. Email Marketing Strategy & Execution End-to-end email marketing - audits, campaign planning, segmentation, lifecycle automation (welcome, nurture, re-engagement, winback), A/B testing, and performance optimisation. I build scalable, compliant email programs with predictable long-term performance. I handle both strategy and execution end-to-end. 3. AI Architecture & Intelligent Automation I build AI-powered audit and automation systems connected directly to your ESP/CRM via MCP servers. AI analyses your flows, campaigns, deliverability, and engagement data in real time - producing structured audit reports and prioritised fix lists. Examples: automated Klaviyo flow audits with copy rewrites, real-time deliverability monitoring, and engagement scoring. I also build RAG MCP servers that let AI reference your internal docs, brand guidelines, and performance history during audits and content generation. 4. Front-End & Automation Development Custom applications, internal tools, dashboards, and integrations using JavaScript, Python, React, Google Apps Script, and n8n. I connect CRMs, ESPs, databases, Google Sheets, and APIs into unified automated workflows. Core services: ★ Custom email development (HTML/CSS, dark mode, responsive, cross-client) ★ Email marketing strategy, audits & campaign execution ★ AI-powered ESP/CRM audits via MCP server integration ★ RAG MCP servers for context-aware AI recommendations & content generation ★ Lifecycle automation (welcome, onboarding, nurture, re-engagement, winback, lead scoring) ★ Deliverability setup & troubleshooting (SPF, DKIM, DMARC, sender reputation) ★ Segmentation strategy (openers, clickers, inactive users, RFM, predictive) ★ A/B testing, reporting & performance optimisation ★ Advanced ESP customisation (HubSpot HubL, Salesforce AMPscript, Marketo Velocity) ★ AI agents & n8n automation systems ★ CRM & ESP integrations (HubSpot, Salesforce, Marketo, Mailchimp, Klaviyo, ActiveCampaign) ★ Custom Google Sheets & Apps Script solutions (dashboards, triggers, integrations) ★ API-based integrations & webhook workflows ★ Cross-client email testing (Litmus, Email on Acid, dark mode, Outlook VML fixes) Why work with me: ★ 15+ years in email development and email marketing ★ 4,000+ projects for 1,800+ clients (Microsoft, Netflix, Unilever, Toyota, Adobe, BBC, Meta, Amazon Prime Video, TikTok, Adidas, Sony, Coca-Cola, Hyundai, LG, Renault, Bayer, 3M, and more) ★ Member of 32 Upwork Talent Cloud groups (Enterprise Professionals, Microsoft UTC, Netflix Print Production, Unilever, Tata Communications, Holland & Barrett, Janus Henderson, and others) ★ AI-powered audit and automation capabilities (MCP + RAG architecture) ★ End-to-end ownership - strategy, development, execution, optimisation ★ Clean, maintainable code and scalable architecture Certificates: HubSpot Marketing Software, HubSpot Email Marketing, HubSpot Contextual Marketing, Mailchimp Email Automations, Mailchimp Foundations, Python (Alison), Salesforce for Admins, Managing DNS, Advanced CSS Media Queries, Google Ads Measurement. Skills: HTML5, CSS, Email Development, Email Deliverability, AMPscript, HubSpot HubL, Marketo Velocity, JavaScript, Python, React, Google Apps Script, n8n, APIs & Webhooks, MCP Servers, RAG Architecture, AI Agents, Marketing Automation, CRM Integrations I use AI as a development and analysis accelerator - speeding up coding, testing, auditing, and iteration - while maintaining full control over architecture, logic, and production quality. Availability: ★ Mon–Thu: 3:00 AM – 11:00 AM EST, 3:00 PM – 7:00 PM EST ★ Friday: 3:00 AM – 11:00 AM EST

I’m Email Developer specializing in responsive, mobile-friendly HTML emails that render perfectly across Gmail, Outlook, and other major clients. ✔ 6+ years experience ✔ Pixel-perfect from Figma / PSD ✔ Mobile-friendly & dark mode optimized ✔ Tested across real devices ✔ Fast turnaround (24–48h) I build emails that not only look great but actually work everywhere: – responsive layout for all screen sizes – dark mode compatibility – clean, well-structured HTML code – consistent rendering across all email clients I work both with code and builders: – HTML/CSS email development from scratch – Email builders (Klaviyo, Mailchimp, HubSpot, Stripo, etc.) – Converting designs into reusable templates What I can do for you: – Convert Figma / PSD to HTML email – Fix broken emails (Outlook, Gmail issues) – Create mobile-friendly & dark mode emails – Build reusable email templates My workflow: 1. Review your design or idea 2. Build responsive email (HTML or builder) 3. Test across clients & devices 4. Deliver ready-to-use email Send me your design or task — I’ll turn it into a fully working email within 24–48 hours.

Expert HTML Email developer & designer with more than 9 years of experience and 900+ emails 📧 completed. I can help you design and HTML code your email campaigns ensuring they work and look flawlessly on the most popular email clients and devices, including Outlook. Compatible with most ESPs like Klaviyo, Mailchimp, Hubspot or Campaign Monitor. I can also be your go-to email marketer to not only create your emails but help you with email strategy and management. ✅ Are you looking for Email Marketing help? You've found the right freelancer! I'll assist you with all-things email marketing, from crafting a compelling content strategy and designing eye-catching HTML emails to segmenting your lists, creating automated flows, and analyzing campaign performance. I cover all areas to help you drive engagement and increase conversions. ✅ Do you need help with your Shopify E-commerce store? I can help you create stunning, user-friendly e-commerce websites that will captivate your customers and drive sales. Whether you need a new Shopify store from the ground up, enhancements to your existing site, or ongoing support and maintenance, I've got you covered. Let's work together! ⭐⭐⭐⭐⭐ "Gustavo has been awesome to work with! He's quick, communicative, and did exactly what I was looking for. I would definitely recommend him and look forward to working with him in the future."

Struggling with emails breaking in Outlook, Gmail, dark mode, or inside platforms like HubSpot, Klaviyo, Mailchimp, and Shopify? I build bulletproof HTML emails and scalable email systems that render perfectly across major email clients, devices, and ESPs. I also specialize in implementing and customizing emails inside HubSpot, Klaviyo, Mailchimp, and Shopify. With 8+ years of experience, 1000+ emails delivered, and 250+ successful projects, I help SaaS teams, ecommerce brands, and agencies launch campaigns faster without rendering issues, broken layouts, dark mode problems, or endless revisions. ⚡ Fast turnaround (24–48 hours per email) 🚀 What I Can Help You With ✔ Fix Outlook & Gmail rendering issues ✔ Fix dark mode problems (inverted colors, broken logos, unreadable text) ✔ Convert Figma / XD / PSD / Canva into responsive HTML emails ✔ Build reusable modular email systems ✔ Create responsive, production-ready email templates ✔ Implement dynamic variables & personalization ✔ Customize templates inside HubSpot, Klaviyo, Mailchimp & Shopify ✔ Build editable modules for marketing teams ✔ Support ongoing campaigns, flows & automations 💡 Platform & ESP Expertise ✔ HubSpot custom coded email templates & modular systems ✔ HubSpot drag-and-drop compatible modules ✔ Klaviyo email development with dynamic variables ✔ Mailchimp template customization ✔ Shopify email customization for ecommerce flows ✔ Transactional & marketing email implementation 🧠 How I Work Most email templates fail because they are not built for real-world email clients. I solve that from the start: ✔ Bulletproof table-based structure ✔ Inline CSS for maximum compatibility ✔ Outlook-specific fixes (MSO, spacing, fallbacks) ✔ Dark mode optimization ✔ Responsive mobile-friendly layouts ✔ Dynamic variable compatibility across ESPs ✔ Real-device & cross-client testing 👉 Result: Emails that work correctly from the first delivery — in both light and dark mode. 📈 Experience ✔ 1000+ emails delivered ✔ 250+ successful projects ✔ Top Rated Plus on Upwork ✔ Featured in Upwork talent recommendations ✔ Worked with brands like Grammarly, FloQast, WorkWhile, Rasaio, Titan & Roofstock ⚙️ Tech & Tools HTML Email Development HubSpot Email Templates Klaviyo Email Development Mailchimp Custom Templates Shopify Email Templates Dynamic Email Variables Modular Email Systems Outlook Compatibility Dark Mode Optimization Responsive Email Coding SendGrid Integration Litmus / Email on Acid Testing 🤝 Availability ✔ One-time projects ✔ Long-term collaboration ✔ Agency support ✔ Ongoing email production 🎯 Let’s Work Together If your email breaks in Outlook, looks off on mobile, fails in dark mode, or you need scalable templates inside HubSpot, Klaviyo, Mailchimp, or Shopify — send me a message. I’ll help you build reliable, production-ready email systems that work the first time.

I’m a HubSpot email developer with 7+ years of experience. I design high-quality, engaging custom modular HubSpot email newsletters and email templates that increase conversion rates and maximise the effectiveness of my clients’ marketing efforts. I provide fast and high-quality email integration into HubSpot. I create emails that are highly flexible and easy to set up and customise, providing users with extensive editing capabilities. The email newsletters and email templates I create will have the following key features: • HubSpot compatibility, HubL templating language and syntax. • Fully responsive on iOS and Android mobile devices. • Dark mode capability. • Compatibility with all major email clients on Windows and Mac devices: Gmail, Apple Mail, Outlook, Yahoo, and especially Windows Outlook. In my work, I specialise in Email Design and Responsive Email Design, creating email newsletters that display correctly across all devices and email clients. The foundation of this work is HTML Email Development using HTML5, CSS3, Inline CSS, and Media Queries, ensuring consistent rendering and high Email Compatibility. The process includes Email Template Design and Email Template Coding, as well as thorough Email Rendering and Cross-Client Compatibility testing. To ensure quality, I perform Email Testing, Browser Testing, and Spam Testing, using professional tools such as Inbox Monster, Litmus and Email on Acid to identify potential issues with layout and deliverability in advance. Special attention is given to Mobile-Friendly Emails, Email Accessibility, and Email Performance Optimisation, ensuring emails are easy to use for all audiences and deliver strong engagement metrics. I work with Interactive Emails and Dynamic Email Content, implementing Email Personalization and Email Automation to increase campaign effectiveness. To continuously improve results, I apply A/B Testing, Email Analytics, and Email Deliverability optimisation, directly impacting open and click-through rates. Design assets are created and adapted in Figma, Adobe XD, Photoshop, and Illustrator, ensuring full alignment with brand guidelines and marketing requirements. As a result, clients receive optimised, reliable, and high-performing email solutions that are fully ready for launch and scale.

Expert in coding Responsive HTML email templates ✉️ & Email Signature files ✍️ ⭐️ Top Rated Plus Expert | 🏆 Top 3% freelancer on Upwork 💻 10+ Years of Experience in Email Development 📩 250+ Jobs Completed with 100% Job Success Rate ⏱️ 2500+ Hours successfully delivered 📨 5000+ Email Templates built with precision and attention to detail ✍️ 100+ Professional Email Signatures tailored to client needs 🌍 Trusted by Leading Brands – IKEA, Dominos, KeyBank, PayPal, McKinsey, Chase, BP, Filterbuy, 12th Tribe, and many more 🚀 I will convert your email template into a fully functional, responsive HTML email that works seamlessly across all devices — including desktop, mobile, and even tricky platforms like Outlook and Gmail. 📧 Well-versed in the ins & outs of every email client, I always follow email marketing best practices and guidelines. 🔑 My Primary Areas of Expertise: 📱 Pixel-Perfect Responsive HTML Email Templates – Flawless, responsive designs that look great on all devices. 🎨 Email Template Design & Development – From Figma, XD, PSD, PDF, PNG, AI, INDD, or Canva to code. 🔗 ESP Integration – Klaviyo, HubSpot, Marketo, Customer.io, Iterable, Viva, Mailchimp, SendGrid, Campaign Monitor, MailerLite, and more. ✍️ Email Signature Development – Professional, functional signatures. ⚡ HTML Source Code Optimization – Faster loading times with clean, efficient code. 🖼️ Retina Image Support & Responsive Development – Sharp, modern visuals on high-resolution screens. 🧩 Modular Template Development – Flexible, reusable email blocks for easy customization. 🛠️ Email Debugging & Issue Resolution – Identify and fix errors for flawless rendering. Highlighted skills: Klaviyo, Hubspot, Marketo, customer.io, Campaign Monitor, SendGrid, Mailchimp, Mailerlite, Iterable, Litmus, Email on Acid, Responsive Email, HTML Email Development, Email Design, HTML Email Development, PSD to HTML, Klaviyo Email template, Hubspot Email template, Marketo email template, Klaviyo Flows, Mobile responsive, Windows Outlook, CSS for Emails, Email Template Coding, Email Optimization, Email Rendering, Email Testing, Email Compatibility, Mobile-Friendly Emails, Interactive Emails, Dynamic Emails, Email Automation, Personalization, A/B Testing, Email Campaign, Cross-Client Compatibility, Figma, Canvas, Adobe XD, Photoshop, Adobe Illustrator, HTML, HTML5, CSS, CSS3, JavaScript, MJML, Foundation for Emails, Taxi for Email, Asana, Slack, Jira, Pixel Perfect Email Development, EDM, Newsletter, CAN-SPAM, GDPR, Mobile Optimization, Code Optimization.

Hi there! I'm Aktar, a Shopify Developer with 3+ years of experience helping businesses build, customize, and optimize Shopify stores. I also specialize in HTML email development, email signatures, and front-end development, delivering clean, reliable, and user-focused solutions for businesses. Web Development =============== • Shopify Store Setup, Customization & Optimization • WordPress Development (Custom themes, fixes, speed optimization) • Figma to WordPress • Frontend Development (HTML, CSS, JS, Tailwind, Bootstrap) • Single Page Applications (SPA) Email Services ============ • Responsive HTML Email Templates (cross-client compatible) • Clickable Email Signatures (Gmail, Outlook, Apple Mail) • Klaviyo Email Templates & Flow Setup • Mailchimp Email Templates • Figma/Design to HTML Email (pixel-perfect conversion) Why Clients Hire Me ================ •I focus on emails that actually work in real inboxes (not just design tools) • Clean, tested code (no surprises in Outlook) • Fast communication and reliable delivery • Long-term support if needed Let’s Work Together ================ I’m available online most of the time and respond quickly. Send me a message and let’s build emails that look good and perform even better.

I create high-impact HTML email templates and clickable HTML email signatures that are responsive, dark mode-ready, and fully compatible with Gmail, Outlook, Apple Mail, and mobile devices, helping your emails look professional and perform perfectly. Hi, I’m Masud Rana. I focus on client needs, cross-platform compatibility, and seamless delivery, ensuring your email templates and signatures are ready to use and hassle-free. Whether it’s marketing campaigns, transactional emails, or team-wide signature setups, I provide solutions that are efficient, visually striking, and fully functional. ✅ HTML Email Signature Design • Professional, clickable, editable, and responsive HTML email signatures • Includes links, logo, contact details, and social media icons • Cross-client compatible: Gmail, Outlook, Outlook 365, Apple Mail, iPhone, HubSpot, Webmail • Optimized for desktop & mobile devices • Step-by-step video installation guide included for easy setup ✅ Professional Email Signature Generator: ✔ Team-ready email signature system: Easily generate and manage customized signatures for all employees, fully hand-coded for compatibility across Gmail, Outlook, Apple Mail, and mobile devices ✅ HTML Email Template Development: ✔ Full-service HTML email solutions from responsive templates to dynamic campaigns, optimized for every major client and device. • Custom, responsive HTML email templates for marketing, transactional, and eCommerce purposes • Convert PSD, Figma, Sketch, XD, or PDF designs into email-ready HTML • Dark-mode safe and optimized for desktop, mobile, and tablet devices • Cross-client compatible: Gmail, Outlook, Office 365, Apple Mail, Yahoo, and more • Integration with major ESPs: MailChimp, Campaign Monitor, Marketo, ActiveCampaign, HubSpot, Klaviyo, AWeber, Constant Contact, GetResponse, etc. • Troubleshooting and fixing rendering issues in existing templates • Dynamic content creation: RSS newsletters, personalized campaigns, and email signature generators ✅ Why Choose Me? ✔ HTML email specialist ✔ Cross-client & dark-mode safe designs ✔ Fast delivery & clear communication ✔ Quality and client satisfaction first Ready to upgrade your email templates and signatures? I deliver responsive, cross-client compatible HTML email solutions with fast turnaround and professional support. Let’s connect and bring your email designs to life! Best regards, Masud Rana (Ridoy)

🥇 Top Rated 🥇 ✔️ Experience ✔️ Quality ⚡ Fast Delivery — All in One Place 🗓️ Available on weekends if needed. I have 5 years of experience as a Salesforce Marketing Cloud Email Developer. In addition to SFMC, I have experience working with multiple platforms such as Mailchimp, Klaviyo, Constant Contact, SendGrid, MailerLite, ActiveCampaign, HubSpot, Brevo, Campaign Monitor, Luminate, NXT, Insider, Delivra, SendFox, among others. I can build email templates using custom HTML or drag-and-drop builders when needed. I also manage end-to-end email marketing communications, including campaign deployment and scheduling, automation flows, segmentation, and more. I am a fast, proactive problem solver with a strong attention to detail. Here is a summary of my skills: - Salesforce Marketing Cloud - AMPscript - Dynamic Content - Automation - Triggered Emails - SQL - Data Extensions - HTML Email Template Development - HTML Email Signatures - Conditional HTML - MSO - Table Layouts / Nested Tables - Dark Mode Optimization - Inline CSS - Email on Acid - Litmus - Klaviyo - Mailchimp - Constant Contact - Brevo - SendGrid - Campaign Monitor - Luminate - Adobe Photoshop, Figma, Adobe XD, Illustrator Feel free to reach out if you need my help. Thank you.

I help brands design high-converting email templates using Klaviyo, Mailchimp, sendgrid, constant contact, hubspot, Salesforce, Pardot and custom HTML focused on clean design, mobile responsiveness, and real results. Over the past few projects, I’ve worked on: ✔ Promotional email campaigns ✔ Newsletter design for engagement ✔ Animated email templates ✔ Custom HTML email builds I’ve worked with clients across automotive, real estate, education, beauty, HR platforms, B2B services, and small businesses, including brands like Toyota, Kia, Honda, Northgate, PlatformYard, GOFO, Facial Asentia, Mastodon Moving, and OCA, along with many other growing businesses. What you’ll get working with me: • Visually appealing, modern email design • Mobile-friendly + responsive templates • Fast turnaround & clear communication • Designs aligned with your brand • Compatible with Gmail, Outlook, Yahoo, Apple Mail, and more • Designed for Dark Mode and mobile-first I don’t just design emails I design emails that people actually open and click. If you’re looking for someone reliable who understands both design + marketing, I’d be happy to help. 👉 Send me a message and I can share ideas for your next campaign Best regards Disha