Top Blockchain Jobs in Denver & Boulder, CO

Provide tax preparation, planning, and advisory services for individuals and businesses holding bitcoin and digital assets. Prepare and file tax returns, calculate cost basis and gains/losses, advise on mining/staking/airdrop income, collaborate with advisors and estate planners, maintain compliance documentation, and contribute thought leadership through articles and webinars.

Own application security for backend services, APIs, cloud infrastructure, and edge systems handling financial transactions. Responsibilities include validating red-team findings, assigning severity, hardening services, implementing WAF and rate-limiting defenses, creating automated security configuration checks, expanding pull-request security gates, reviewing architectures, managing attack-surface coverage, and evaluating security tools. The role also partners with engineers and Security Operations to drive effective remediation.

Conduct application security assessments, discover and validate vulnerabilities, analyze complex codebases, build custom security tooling, perform threat modeling and architecture reviews, and deliver actionable findings to clients. Independently own assessment workstreams, develop proof-of-concept exploits, communicate technical conclusions, review team work, and contribute to security research, open-source tools, and technical writing.

Lead go-to-market strategy for Property & Casualty Insurance secular shift across North America. Engage issuers and distribution partners, build and manage sales pipeline, commercialize solutions, support negotiations, cross-sell with account teams, and drive SMB growth strategies. Coordinate Finance, Sales, Marketing, Product, and Delivery to execute initiatives, use SFDC to track pipeline, and create sales enablement materials to drive adoption of modern card-based payment solutions.

Own the full-cycle mid-market sales process for Cash App Pay and Afterpay, from prospecting and qualification through negotiation, contracting, launch, and handoff. Build merchant relationships, develop account plans and business cases, negotiate commercial terms, coordinate cross-functional deal teams, maintain Salesforce pipeline data and forecasts, deliver revenue targets, and provide market feedback to product and go-to-market teams.

Manage enterprise KYC due diligence policy and strategy across Block’s business lines. Develop and maintain KYC standards, assess regulatory changes, guide implementation, define AI/ML risk-segmentation and identity-verification controls, monitor program performance, advise stakeholders, support audits and examinations, and remediate compliance risks including model bias, drift, false positives, false negatives, and explainability gaps.

Build and operate foundational developer infrastructure across CI, build systems, deployment orchestration, and test platforms. Improve build speed, deployment safety, test reliability, observability, and engineering productivity at scale. Own services from architecture through production, including SLOs and on-call operations. Lead cross-functional technical projects, partner with engineering teams, mentor engineers, and shape platform strategy.

Operate and improve large-scale AI compute, storage, and networking infrastructure in 24x7 environments. Responsibilities include capacity planning, performance analysis, patching, upgrades, firmware management, automation, incident response, documentation, disaster recovery testing, and L3 escalation support. The role also requires customer collaboration, operations enablement, and participation in an on-call rotation while supporting OpenStack or similar private cloud platforms.

Own full-cycle recruiting for senior and staff-level engineering roles, especially backend, infrastructure, systems, Rust, and database positions. Partner with Engineering leaders on hiring profiles, build outbound pipelines, manage interviews and closing, oversee agencies and referrals, analyze recruiting funnel data, and support talent branding. The role requires technical fluency, strong sourcing instincts, startup experience, and the ability to influence hiring decisions.

Prospect and close new enterprise business across the Central US region. Own the full sales cycle, including customer engagement, consultative technical conversations, negotiation, contract closing, retention, and renewals. Help shape go-to-market strategy, build trust with software engineering and AI teams, develop deep product expertise, and exceed revenue targets in an early-stage environment.