Senior Full Stack 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
Projects
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 prototypes, demos, web and mobile product surfaces, backend APIs, integration services, and developer-facing tools. You will improve SDK and documentation experiences, turn ambiguous requirements into working software, use LLM-assisted workflows responsibly, and establish testing, CI/CD, observability, and regression-prevention patterns.
Requirements
- 5+ years of software engineering experience building and shipping production applications
- Strong TypeScript and React/Next.js experience
- React Native experience or mobile development experience
- Backend and API development experience
- Experience shipping complete products, prototypes, tools, or demos
- Security knowledge relevant to cryptographic or financial infrastructure application surfaces
- Strong written communication and async collaboration skills
Responsibilities
- Build customer-facing prototypes and product demos
- Develop and maintain web and mobile product surfaces using React, Next.js, React Native, TypeScript, and related tooling
- Build backend APIs, integration services, and developer-facing surfaces
- Improve SDK and documentation experiences
- Use LLM-assisted development workflows responsibly
- Collaborate with technical and partner stakeholders to translate ambiguous requirements into working software
- Establish patterns for testing, CI/CD, observability, and regression prevention
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 build session reviewing a shipped product and extending a prototype; cross-functional panel of 2–3 conversations; two backchannel references and offer.