JSBC Labs
Senior Backend Engineer - CryptoSec, Golang or Java
Status: Open
Salary: R 80,000 to R 100,000
Experience: 5 years
Role is on-site or hybrid.
How to Apply
Apply NowHelp us secure the digital assets of millions by building the foundational custody and blockchain integration systems for a leading crypto exchange. You'll ensure the safety and reliability of customer funds.
What We're Looking For - 3+ years building secure backend microservices (Go/Golang preferred) - Experience with blockchain integrations or fintech security - Proven ability to design and scale distributed systems - Strong understanding of data structures and algorithms - Excellent communication and collaboration skills
What You'll Do - Build and maintain critical custody and blockchain interaction services - Design and implement key management and transaction orchestration tools - Ensure the security, efficiency, and resilience of core crypto infrastructure - Collaborate with cross-functional teams to deliver new features
Why You'll Love It - Work on mission-critical systems impacting millions globally - Opportunity to shape the future of crypto security - Competitive salary, equity, and comprehensive benefits