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.

Build and operate trusted finance data products, pipelines, models, reconciliations, dashboards, and automation. Partner with Finance, Accounting, Data Engineering, Product, and Platform teams to resolve data issues, improve reporting, support financial close, establish data lake quality controls, and enable timely insights. Use SQL, Python, dbt, Spark, Airflow, and AI-assisted tools to deliver tested, traceable, production-ready solutions.

Own the architecture and reliability of a mobile-first crypto trading and social platform. Build the data layer, rewards and accounting systems, notifications, APIs, trading integrations, cross-chain balance abstraction, resilient caching, and high-performance data delivery. Ensure idempotency, replay safety, PostgreSQL optimization, graceful degradation, and continuous uptime during extreme market volatility. Work independently in a remote, asynchronous environment while scaling infrastructure from zero to massive trading volumes.

Designs, codes, deploys, and operates quantitative DeFi vault strategies across lending, yield aggregation, structured products, RWAs, and other protocols. Responsibilities include strategy research, backtesting, optimization, risk modeling, protocol due diligence, onchain execution, monitoring, incident response, and production ownership. The role partners on launches and participates in on-call coverage for live strategies managing customer capital.

Lead design, deployment, and operation of Caldera's blockchain infrastructure. Build and expand DevOps pipelines, manage Kubernetes/AWS deployments, implement IaC (Terraform/Helm), enhance observability, optimize performance, and maintain infrastructure security for production rollup chains.