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Senior Rust Engineer — Production Backend Systems | Remote (LATAM) at Toptal. Location Information: Anywhere in the World. . . 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.