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Senior Mobile Engineer (Android) - Digital Trust

Portugal · Job Posted May 20, 2026
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Job Description

Feedzai is the world’s first RiskOps platform for financial risk management, and the market leader in safeguarding global commerce with today’s most advanced cloud-based risk management platform, powered by machine learning and artificial intelligence. Feedzai is securing the transition to a cashless world while enabling digital trust in every transaction and payment type. The world’s largest banks, processors, and retailers trust Feedzai to protect trillions of dollars and manage risk while improving the customer experience for everyday users, without compromising privacy. Feedzai is a Series D company and has raised $282M to date. With a valuation of $2 billion, our technology protects 1 billion consumers and 90 billion transactions each year. The Engineering (Tech) Team is responsible for all Feedzai product development. Together with Product Management and Data Science, we build the next generation of tools to catch fraud in real-time with a machine learning first approach. Formed by engineers and managed by engineers, at Feedzai, you will find one of the most talented teams out there, from junior to senior engineers. We are fast-paced and provide a safe, open, and collaborative environment that encourages us to lean in, try new things and discover our potential with continuous learning for everyone. While building the best value for our customers, you will work with a wide range of technical challenges. Such as building distributed systems that need to operate 24/7 and ultra-low latencies, solving UI/UX problems to help fraud analysts to fight fraud more efficiently. In addition, designing extensive databases from relational, NoSQL and graphs, validate and develop new data science techniques and algorithms.

Job Responsibility

  • Own the end-to-end delivery of robust SDKs, from architectural design to production-ready deployment, ensuring they scale predictably in high-stakes environments
  • Solve high-complexity technical challenges with significant autonomy, making the critical trade-offs between development speed and long-term software quality
  • Champion engineering excellence by mentoring peers and raising the bar for design reviews, code quality, and mobile best practices
  • Liaise with cross-functional stakeholders to translate customer needs into technical mobile solutions that maximize business impact and user experience

Requirements

  • BSc/MSc degree in Computer Science or a similar technical degree
  • 5+ years of experience in developing and delivering advanced mobile applications
  • Mastery of the Android ecosystem, from high-level app architecture in Kotlin and/or Java to low-level OS internals and security frameworks
  • Experience with Mobile CI/CD and Automation (e.g., Gitlab, Jenkins, or Bitrise) to ensure predictable, high-quality releases
  • Extreme Ownership mindset, proactively seeking context and driving tasks to completion with growing autonomy

Nice to have

  • Designing and creating frameworks or SDKs for mobile applications
  • Native app writing ability for iOS environments (Swift/Objective-C)
  • Knowledge in Cross-platform tools (Cordova, Xamarin, and Flutter) and Typescript
  • Good technical English communication skills

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