Blockchain Engineer building secure blockchain applications for Prometheum’s SEC-registered digital-asset market infrastructure. Owning features from design through release across custody, signing, orchestration, and key management.
Responsibilities
Build and maintain secure and optimized blockchain applications
Own epics end to end, from story writing and pointing through delivery and release
Break agreed epics into work that the team can execute
Build across many different languages while solving large, complex problems
Report epic progress regularly and accurately
Raise risks before they become surprises
Partner with senior engineers on technical design, architecture decisions, and future epics
Use AI coding tools as a default part of the workflow and rigorously review their output
Review teammates' code for design concerns, edge cases, and test gaps
Work directly with neighboring systems throughout delivery
Investigate and resolve issues found in QA, UAT, and production
Communicate frequently to encourage fast feedback loops and remove blockers
Work with the Architect on technical design, with guidance from senior engineers
Serve specialist teams dependent on custody contracts, transaction signing and orchestration, and key management
Requirements
3 or more years of professional software engineering experience building and shipping production software
Strong blockchain fundamental knowledge, including in-depth knowledge of top chains such as Bitcoin and Ethereum
Familiarity with basic cryptography commonly utilized by blockchains
Strong administrative and organizational skills, including prioritization, time management, and meeting deadlines on multiple projects
Automated testing as a habit
Hands-on experience with AI coding assistants and judgment to evaluate their output
Clear written communication and strong command of the English language
Ability to reason through technical disagreements with evidence and update views when evidence shifts
Authorized to work in the U.S. or Canada
Able to pass a comprehensive background check
Experience mentoring or onboarding other engineers is nice to have
Background in finance, brokerage, trading, or custody is nice to have
Exposure to regulated environments and required audit trails is nice to have
Experience with Jira, Confluence, or similar is nice to have
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