Poland, E.U. Skype: creativelicense.eu mariusz.opalka@gmail.com
Happy Clients on Upwork


Projects on Upwork


Upwork Talent Cloud Groups member


About Me

I've been a full-time freelancer for over 13 years on Upwork/Elance, running my own business called 'Creative License Mariusz Opalka'

I specialize in creating mobile-responsive emails and templates that are Dark Mode ready for various platforms, including MailChimp, Salesforce, HubSpot, Campaign Monitor, Constant Contact, SendGrid, iContact, Pardot, Klaviyo, and many others.

In September 2015, I was acknowledged by MailChimp for discovering bugs in their new 2015 templates, and my feedback helped the company rectify these issues. As a certified MailChimp Partner Program member, my HTML/CSS code is incorporated by MailChimp to ensure that client emails render correctly in Outlook.

Stats from Upwork:

Total Earnings: $500K+
Total Jobs: About 4000
Total Hours: 12000 +
Job Success: 99%
Feel free to contact me through Upwork, Skype, or by email.
My time zone is GMT +1.
I am available from 3:00 AM EST to 11:00 AM EST and from 3:00 PM EST to 7:00 PM EST.

You would have to register on Upwork to see my profile on this website. Alternatively, there is a possibility to see a screenshot of my Upwork profile under this link.

My Upwork profile
More details about me

Education, knowledge, certificates

MSc in Marketing and Management

I graduated from the Academy of Swietokrzyski with a Master's degree in Marketing and Management


• Mailchimp Certified
• Hubspot Certified
• Shopify Partner
• Microsoft Upwork Talent Group Member


Expert Level: HTML5, CSS, Photoshop, Figma, Illustrator, inDesign, and AMPscript.
Medium Level: JavaScript, C++, PHP, Bootstrap, and WordPress.

My biggest clients

Microsoft, Unilever, Netflix, Toyota, Hyundai, Adobe, BBC, LG, Renault, Fuji, Facebook, Instagram, 3M, Sony, Coca-Cola, Dulux, GLS, Amazon Prime Video, Bayer

Upwork Talent Groups

I am proud to say that I am a member of as many as 27 Talent Groups on the Upwork platform, which is a remarkable achievement in the world of freelancing. In particular, I belong to prestigious Talent Groups such as Microsoft, J&J, Unilever, and Netflix, and many others. I am incredibly grateful for this recognition and I am always ready to take on challenges related to my specialization to meet the expectations of my clients.

My Services

I specialize in designing and coding emails. I have a high level of proficiency in the entire Adobe suite, which enables me to create cohesive and visually appealing designs for my clients.

Email Templates

I design, code, and test email templates on approximately 100 email clients through Litmus, and share the testing link with my clients for review.

Email deliverability

I can help you set up DKIM, SPF, and DMARC, and also provide consultation on email authentication.

Landing pages & signup forms

I do design, coding, and integration of landing pages and signup forms with email marketing systems for online stores.

Programming AMPScript for SalesForce MC and modules for Hubspot, Marketo

I use hybrid coding. The modules are easy to use in a drag-and-drop editor.

Wedding Albums

My offer includes photography, photo editing, brochure design, and catalog design.

HTML Signatures

I offer to create signatures for Outlook and other email clients.

Get In Touch

Poland, European Union


Skype: creativelicense.eu

© All Rights Reserved. Designed by Creativelicense.eu & HTML Codex