Top Blockchain Jobs in Denver & Boulder, CO

Run day-to-day billing operations for Custody and Prime, ensuring invoicing accuracy, monthly close, collections, and billing ticket management. Lead and develop a billing operations team, coordinate BPO support, drive automation (including AI-assisted workflows), partner with Revenue Accounting, FP&A, Engineering, and execute/maintain billing-related SOX controls to scale institutional revenue recognition.

Perform hands-on application and system security assessments: discover and validate vulnerabilities, develop proof-of-concepts and custom tooling, conduct threat modeling and architecture reviews, and communicate clear remediation guidance to clients while contributing to security research.

Design, build, test, and deploy smart contracts and decentralized applications. Maintain blockchain integrations and backend services, optimize for security and gas efficiency, contribute to architecture and technical strategy, conduct code reviews, mentor junior engineers, and collaborate with product, frontend, and security teams.

Manage relationships with Square's largest sellers in the Food and Beverage vertical, growing account-based revenue, and identifying opportunities for solutions. Collaborate with internal teams to execute solutions and provide premium client service.

Drive revenue growth for Mastercard Cybersecurity Solutions by acquiring new customers and expanding within large enterprises, focusing on risk and security.

Monitor and support exchange operations during weekends, troubleshoot issues, and communicate with engineers to resolve incidents effectively.

Drive sales of AI/HPC data center hardware to enterprise and cloud customers, leveraging existing networks and expertise to close deals and advise on solutions.

The Engineering Manager leads a team in delivering reliable software solutions, blending technical contributions with team leadership, managing projects, and improving processes.

The Crypto Trader role involves executing trades, analyzing market data, managing risks, and developing trading skills in a supportive environment with full training provided.

Lead Cubist's first dedicated marketing function to build awareness and pipeline for institutional customers. Own demand generation, ABM, metrics/reporting, product positioning, technical content, thought leadership, press/analyst relations, digital channels, and event programs to drive qualified pipeline and support BD and revenue goals.