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Maciej Kalczewiak

Chief Technology Officer at Wonga

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wonga.com

Company Details

Company: Wonga
Industry: financial services
Employees: 190
Funding: 117296775
HQ Location: England, United Kingdom
Company LinkedIn: Pro only

Technology Stack

Salesforce Cloudflare DNS Outlook Microsoft Office 365 CloudFlare Hosting DynECT Drupal OneTrust Adform Facebook Login (Connect) Mobile Friendly Frosmo Google Tag Manager Google AdWords Conversion Hotjar Bootstrap Framework Facebook Custom Audiences DoubleClick Typekit Facebook Widget

Professional Summary

Maciej Kalczewiak is Chief Technology Officer at Wonga. Wonga operates in the financial services industry and has 190 employees. Classified as a c-suite-level CTO leader. Their organization's technology stack includes Salesforce, Cloudflare DNS, Outlook, Microsoft Office 365, CloudFlare Hosting, and 17 other technologies. Wonga has raised 117296775 in total funding.

C-Suite level · CTO
Verified Apr 25, 2026

Position in the CTO Rank Database

  • • Typical CTO compensation: $250,000 – $650,000 (median $420,000). Composite from levels.fyi, Glassdoor, and Payscale data; adjusted for state cost of labor.

Data compiled from LinkedIn public profiles, company filings, and verified public technology signals. Methodology & sources · Updated June 2026.

Frequently Asked Questions

How do I contact Maciej Kalczewiak?

Maciej Kalczewiak has a verified email address on file on CTO Rank. They work at Wonga. Pro members can access direct email addresses, LinkedIn profiles, and phone numbers.

What company does Maciej Kalczewiak work for?

Maciej Kalczewiak is Chief Technology Officer at Wonga, a company in the financial services industry with 190 employees. The company is headquartered in England, United Kingdom.

What is Maciej Kalczewiak's role in technology leadership?

Maciej Kalczewiak is classified as a CTO leader at the c-suite level.

What technologies does Maciej Kalczewiak's organization use?

Maciej Kalczewiak's organization uses a technology stack that includes Salesforce, Cloudflare DNS, Outlook, Microsoft Office 365, CloudFlare Hosting, DynECT. This information is useful for sales teams, recruiters, and technology vendors.

Is Maciej Kalczewiak open to recruiting or new opportunities?

CTO Rank does not track open-to-work status. The best approach is to reach out directly to Maciej Kalczewiak using the verified contact information available to Pro members. When recruiting a Chief Technology Officer, personalizing your outreach with specifics about the role and tech stack typically yields the best response rate.

Can I pitch or sell to Maciej Kalczewiak at Wonga?

Maciej Kalczewiak is Chief Technology Officer at Wonga. CTOs like Maciej Kalczewiak typically evaluate vendors in Salesforce, Cloudflare DNS, Outlook, and related categories. Use CTO Rank Pro to get verified email and approach directly.

How accurate is Maciej Kalczewiak's profile data?

CTO Rank verifies and refreshes profile data weekly. Maciej Kalczewiak's profile includes verified contact details, company information, and technology stack data sourced from multiple public and proprietary sources.