Senior Rust Engineer — Production Backend Systems | Remote (LATAM)

Hiring company: Toptal Headquarters: Remote URL: https://www.toptal.com/ About the Role We're looking for Senior Rust Engineers to take real ownership of a high-performance, production backend. You'll be working on mission-critical systems where performance, security, and reliability aren't nice-to-haves — they're the job. Whether the work is hardening core services for a cybersecurity product or extending a Rust-based backend that powers a cross-platform application, this role is for someone who can navigate complex, unfamiliar codebases quickly and start shipping production-ready code fast. What You'll Do • Build, optimize, and maintain high-performance backend services in Rust • Take ownership of core backend architecture, including remediating vulnerabilities and improving CI/CD workflows • Interface with PostgreSQL for complex data management, persistence, and schema-oriented design • Design and work with schema-oriented service patterns (e.g., gRPC) where applicable • Deploy and maintain services on AWS • Jump into an existing, unfamiliar codebase and reach full productivity within the first 1–2 weeks • Submit clean, high-quality code that holds up to rigorous review and peer scrutiny • Take increasing ownership of backend direction as the system evolves or transitions from a legacy team What You Bring • Expert-level or extensive senior-level experience with Rust in a production environment • Strong experience with PostgreSQL and SQL database design • Strong experience with AWS for hosting and deployment • Proven track record on large-scale, mission-critical, or high-stakes systems where performance and reliability matter • Experience working as a senior individual contributor on evolving production systems • Ability to explain complex architectural decisions and take full ownership of submitted code • Comfortable working independently and ramping quickly on unfamiliar codebases Nice to Have • Familiarity with GitHub-based development workflows • Experience with gRPC or Avro-based schema design • Exposure to Flutter-based product environments (web, mobile, or desktop) • Comfort using AI-assisted coding tools (e.g., Claude) without sacrificing code quality RATE: $35-$45/hr. To apply: https://weworkremotely.com/remote-jobs/toptal-senior-rust-engineer-production-backend-systems-remote-latam