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The team behind the modern issuer-processor.

Rigid is the issuer-processor behind card programmes: card issuing and tokenization, authorization, fraud scoring, a real-time ledger and KYC on one platform.

What we build

Issuer processing, fraud scoring, ledger, KYC and programme management usually live in a patchwork of vendors stitched together after the fact. We build them as one platform, behind a single API.

That means our work spans the whole stack: authorization logic, a double-entry ledger, fraud scoring and identity verification. We're a small, senior team based in Dubai.

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Team

  • Koray Koska

    Koray Koska

    Founder & CEO

    Koray founded Rigid to give card programmes one processing platform instead of a patchwork of vendors. He has been building fintech and infrastructure companies since 2020, starting with VitraCash, a London card fintech he founded and led as CEO. An engineer by background, he has published open-source software since 2015 and is based in Dubai.

  • Max Narracott

    Max Narracott

    Head of Engineering

    Max leads engineering at Rigid. Before moving to Dubai in 2026, he was Lead Backend Engineer at Direct Line Group in London, where he built the backend services behind its mobile apps, including a notification service handling more than three million notifications a day. He began his career at JLR and holds a BSc in Digital Technology Solutions from the University of Warwick.

  • Ivan Serezhkin

    Ivan Serezhkin

    Senior Software Engineer

    Ivan is a systems architect with twenty years of software development behind him, ten of them leading architecture. He has built high-load backends in Perl, Go and Rust, from multiplayer game services at Crazy Panda Games to data pipelines at the security company Binarly. At Rigid he works on the core platform services.

  • Florian Winkler

    Florian Winkler

    Head of Partnerships

    Florian leads partnerships at Rigid, working with the fintechs and payment companies that build card programmes on the platform. He co-founded the London card fintech VitraCash, where he served as COO, and studied Computer Engineering at TU Wien. He has built software since 2016, from risk-management tools to content platforms.

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