Staff Engineer – Issuing at cloudwalk

This is not your typical mobile dev role. We're looking for innovative engineers who can transform complex payment flows into seamless mobile experiences. Whether you're experienced with Flutter's widget system, passionate about state management patterns, or skilled in building high-performance cross-platform apps - if you dream in mobile-first solutions and see elegant code as your artistic medium, this is your stage. Our mission needs engineers who don't just write code, but craft experiences that millions of users will carry in their pockets. What You'll Do • Build and operate high-performance services in Rust • Own critical paths in the issuing flow (authorization, clearing, ledger) • Design systems for low latency, high reliability, and fault tolerance • Debug complex production issues involving real money • Ensure system integrity and correctness across all transaction flows • Drive architecture decisions across teams What We're Looking For • Strong experience with distributed systems • Solid understanding of concurrency, consistency, and fault tolerance • Experience with high-reliability systems (fintech, infra, etc) is a plus • Experience with Rust, or willingness to go deep into it • Hands-on mindset and strong debugging skills AI as a Multiplier We use AI as part of how we build. • Leverage AI tools to accelerate development and debugging • Improve engineering workflows using automation and agents • Increase team throughput without compromising quality Security by Design Security is not a separate layer — it is part of how we build systems. • Design systems that are secure by default • Handle sensitive financial data with strict guarantees • Ensure integrity and correctness across all transaction flows • Build systems where incorrect behavior is not acceptable Why This Role • move real money • run under strict latency constraints • must be correct all the time • operate at real-world scale This is engineering where things actually matter. The Future We See: At CloudWalk, we envision a future where AI empowers every field to reach new heights: • People teams leveraging AI to transform talent acquisition and employee development. • Marketing professionals creating data-driven, AI-powered campaign strategies. • Customer Success teams enhancing client experiences with intelligent solutions. • Risk analysts combining human expertise with AI to navigate complexities. • Designers collaborating with AI to push creative boundaries.