- Writing production backend systems in Rust (Tokio, Axum, Tonic).
- Reading and contributing to large open source Rust codebases.
- Contributing lints to Rust Clippy, the official Rust compiler linting tool.
- Operating observability infrastructure: Prometheus, Loki, OpenTelemetry.
- Provisioning cloud infrastructure with Terraform and AWS.
- lsmdb — a persistent key-value storage engine in Rust, published on crates.io. Implements Write-Ahead Logging, Bloom Filters, LRU block caching, and an arena-allocated SkipList.
- Replaced a Java microservice with a Rust service on Axum and Tokio, rebuilding APIs and cutting response times from 3+ seconds to under 200ms.
- Provisioned and operated 60+ globally distributed nodes on AWS with Terraform, Prometheus, and Loki.
Contributing to Rust Clippy and studying distributed systems, storage engines, and query execution internals.
Writing technical posts at roynrishingha.com that go into production codebases at the source level.
Looking for remote Rust backend engineering roles.