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Rust Engineer - Financial Infrastructure

CloudWalk, Inc.

Roles & Responsibilities

  • Experience with statically typed programming languages, especially Rust
  • Solid understanding of databases and SQL
  • Strong attention to detail
  • Ability to read and understand other people’s code

Requirements:

  • Develop and maintain Rust-based features across credit, investments, and regulatory compliance domains
  • Write SQL queries in PostgreSQL
  • Contribute to unit and integration tests, helping maintain code quality and coverage
  • Investigate and fix bugs in critical production flows

Job description

We are building Brazil’s first self-driving bank: a financial institution that operates autonomously, with decisions powered by data and systems designed to work seamlessly for the customer.

Our team is responsible for developing the financial infrastructure that makes this possible. We build and operate systems for the full lifecycle management of CDBs, integration with CETIP/B3, regulatory data systems for the Central Bank of Brazil, accounting, and blockchain integration.

This is a high-responsibility environment where precision and security are non-negotiable.


What You'll Do:
  • Develop and maintain Rust-based features across credit, investments, and regulatory compliance domains
  • Write SQL queries in PostgreSQL
  • Contribute to unit and integration tests, helping maintain code quality and coverage
  • Work closely with the team on code reviews, architecture discussions, and technical documentation
  • Investigate and fix bugs in critical production flows

    • What You'll Need to Succeed:
  • Experience with, or strong interest in, statically typed programming languages, especially Rust
  • Solid understanding of databases and SQL
  • Ability to read and understand other people’s code, not just write your own
  • Strong attention to detail and a careful mindset, especially in environments where mistakes have real financial impact

    • Nice to Have:
  • Experience with Rust
  • Background in financial systems, fintech, or regulation (BACEN, CVM, CETIP/B3)
  • Familiarity with Kafka, Redis, or messaging systems
  • Experience with observability tools such as tracing, metrics, Prometheus, or Sentry
  • Experience with Kubernetes or cloud environments, especially GCP
    •
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