Staff Engineer – Issuing

CloudWalk

São Paulo, Brazil
On-site
Rust programming language expertise
Real-time transaction processing experience
High-performance system architecture design
CloudWalk is seeking a Staff Engineer to design and build high-performance systems for their credit card operation, emphasizing latency, correctness, and security. The role involves working with Rust to manage the end-to-end transaction flow, including authorization and clearing

Job Summary

  • You will design and build the core infrastructure behind credit card operations handling real-world financial transactions at scale.
  • The role requires ensuring performance, correctness, and security in systems where latency matters and failures have real impact.
  • The team operates with full ownership of the issuing flow including authorization, clearing, and ledgering using a stack heavily based on Rust.

Matching Summary

Match Score: 85

CloudWalk is seeking a Staff Engineer to design and build high-performance systems for their credit card operation, emphasizing latency, correctness, and security. The role involves working with Rust to manage the end-to-end transaction flow, including authorization and clearing.

Skills & Requirements

Must-have

  • Rust programming language expertise
  • Real-time transaction processing experience
  • High-performance system architecture design

Nice-to-have

  • Full ownership of financial issuing flows
  • Experience with clearing and ledgering systems
  • Strong focus on security and correctness

Key Requirements

  • Senior level engineering experience
  • Proficiency in Rust language
  • Background in financial transaction systems

Work Rights

Not specified

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