Payabli

Fintech

SeniorSoftwareEngineer,Mobile

United Kingdom FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Software Engineer, Mobile at Payabli. Skills: Native iOS SDK, Native Android SDK, SDK Architecture, Developer Experience. Build mobile SDK from ground up. Design, develop, maintain native iOS/Android SDKs”

What You'll Achieve.

Seamlessly embed, monetize, and operationalize payments; Manage and move money through single infrastructure stack; Deliver total control over payments experience; Enhance visibility; Streamline operations; Drive revenue growth; Enable robust, predictable, logically consistent in-app payment flows; Ensure most reliable and resilient operations; Shape roadmap into native mobile applications

Industry & Context.

Fintech
Problems you'll solve

Handle real-time data; Handle async operations; Handle error states; Handle edge cases gracefully; Solve hard problems

What They're Looking For.

Must Have

5+ years of professional native mobile development experience, Proficiency in Swift (iOS) and/or Kotlin (Android), Experience building SDKs, libraries, or frameworks consumed by other developers, Solid grasp of mobile architecture patterns such as MVVM or Clean Architecture, API integration and reliability experience, Security-minded by default

Nice to Have

Degree in Computer Science, or related field (or equivalent experience), Experience with mobile payments SDKs (Stripe, Square, Adyen, or similar) or building payment acceptance flows on mobile, Familiarity with NFC, Bluetooth, or hardware peripheral integrations for card readers or point-of-sale devices, Experience in fintech or payments technology, Experience with SDK distribution (CocoaPods, Swift Package Manager, Maven, Gradle) and managing public releases, Hands-on experience with mobile testing frameworks and automated testing strategies

What You'll Do.

Build mobile SDK from ground up

maintain native iOS/Android SDKs

Obsess over developer experience

Build in-app payment flows

Ship code that runs everywhere

Ensure reliability and resilience

Integrate SDK with Payabli APIs

Handle real-time data

Set the standard for mobile engineering

How You'll Work.

Team & Collaboration

Work with Payabli architects; Work with SREs; Work with other engineers; Articulate technical trade-offs to product managers; Articulate technical trade-offs to partner engineers; Articulate technical trade-offs to own team

Communication Scope

Write clear documentation; Define integration guides; Articulate technical trade-offs

Full Job Description

Payabli is a next-generation Payments Infrastructure and Monetization Platform purpose-built for vertical software companies. Through a single, developer-friendly API with low-code embedded payment components, Payabli enables platforms to seamlessly embed, monetize, and operationalize payments—making payments a core part of their platform and business model. By unifying payment acceptance, payment issuance, and advanced payment operations tooling, Payabli empowers software companies to manage and move money through a single infrastructure stack that delivers total control over the payments experience. Built to scale with PCI DSS 4.0 and SOC 2-compliant security, Payabli’s infrastructure delivers enterprise-grade reliability and trust while leveraging AI-driven intelligence to enhance visibility, streamline operations, and drive revenue growth. Backed by leading fintech investors including QED Investors, Fika Ventures, TTV Capital, and Bling Capital, Payabli is setting the standard for embedded payments infrastructure powering the next generation of vertical SaaS. This is a founding mobile engineering role. You'll be the first dedicated native mobile engineer at Payabli, which means you won't just write code; you'll define the mobile SDK architecture, set the engineering standards, and shape the technical direction from scratch. Payabli's mobile SDKs are embedded directly into our partners' iOS and Android applications. Your code won't live in an app you control; it will run inside hundreds of other people's apps, which means every decision around API design, binary size, backwards compatibility, and integration ergonomics carries real weight. You'll build the native SDKs that enable robust, predictable, and logically consistent in-app payment flows for platforms and merchants, while ensuring the most reliable and resilient operations across Payabli's and partners’ networks. Longer term, you'll help shape Payabli's roadmap into native mobile applications as the platf

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