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# Software Engineer - Transaction Management

- **Company:** Turn-Key, Inc
- **Location:** New York, NY, United States (Remote available)
- **Experience:** Expert
- **Salary:** $200,000.0 - $250,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Cyber Security, Software Engineering, Build Management, Bitcoin, Golang
- **Published:** September 4, 2026
- **Apply:** https://startup.jobs/senior-software-engineer-transaction-management-turnkey-8762362

## About the Role

* 5+ years of production engineering experience
 * Golang engineering skills, this team writes primarily in Go
 * Deep, hands-on familiarity with crypto protocols; EVM fluency is a must, and breadth across other chains is a strong plus
 * Experience working with AWS, GCP, or other cloud providers
 * An understanding of modern application architectures with opinions on how they should be developed and deployed
 * Experience building and operating large-scale, mission-critical infrastructure
 * Prior experience building scaled crypto products
 * A healthy amount of paranoia :-)

Style Points

 * Experience developing against TEEs, HSMs, and other secure computing environments
 * Experience working with Temportal or other async workflow systems
 * Expertise in threshold signing systems and a desire to stay on the cutting edge of production-grade cryptography
 * Broad protocol fluency beyond EVM, Solana, Bitcoin, or others
 * Actively tracking developments in the crypto ecosystem and strongly opinionated on where it is going

## Description

* Design and build transaction parsing, validation, and broadcasting infrastructure across multiple blockchain protocols
 * Develop and maintain protocol-specific libraries and abstractions that power Turnkey's transaction management layer
 * Collaborate effectively across the company to design and deliver core product capabilities
 * Write internal product specifications, external developer documentation, and technical whitepapers
 * Design and build new product features end-to-end driven by customer requests and ecosystem developments
 * Assist in scaling out a world-class engineering team
 * Develop thoughtful deployment processes and infrastructure to reduce the risks inherent in the software development lifecycle


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