Senior Rust Developer
Silence Laboratories helps developers build secure wallets by splitting private keys across multiple devices to prevent theft.
Maintainer signals as of 9/2/2026
Funding history
Investors
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About Silence Laboratories
Silence Laboratories helps developers build secure digital wallets by distributing private key management across multiple devices. With it, teams can create wallets that work even if one device is lost, protect users from single points of failure, and add advanced security without sacrificing user experience. Silence Laboratories makes wallet security more robust for both consumer and enterprise applications.
Skills
About the Role
You will build and maintain Rust services, libraries, SDKs, and APIs for production integrations. You will translate protocol specifications into auditable implementations, design networking and orchestration layers, develop cross-platform bindings, improve developer documentation and tooling, and write comprehensive tests.
Requirements
- 5+ years of professional Rust development in production systems
- Command of Rust ownership, lifetimes, traits, async/await, and ecosystem tools including Tokio, Serde, Tonic, or Axum
- Experience building backend services, APIs, SDKs, developer-facing libraries, or integration surfaces
- Systems knowledge including TCP/IP, TLS, gRPC, REST, distributed systems, concurrency, and performance
- Experience working with security-sensitive code
- Experience with integration testing, property-based testing, fuzzing, or adversarial test cases
- Clear written communication and engineering documentation skills
Responsibilities
- Build and maintain Rust services, libraries, SDKs, and APIs used in production customer integrations
- Translate protocol specifications into clean, testable, auditable implementation patterns
- Design networking and orchestration layers for multi-party cryptographic protocols
- Build and harden cross-platform bindings
- Improve developer experience through API design, documentation, examples, integration guides, and tooling
- Partner with cryptography, product, solutions, and customer teams
- Write unit, integration, property-based, and fuzz tests
Benefits
- Equity participation
- Visa or EOR support where applicable
Hiring Process
Application and written screen; 45-minute intro call with the hiring manager; 90-minute protocol deep-dive and threat-model working session; cross-functional panel of 2–3 conversations; two backchannel references and offer.
