Top Blockchain Jobs in Denver & Boulder, CO

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.

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.

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.

Lead treasury, token, and capital strategy across fiat, stablecoins, and $VANA. Manage liquidity and market maker relationships, design hedging and yield programs, oversee accounting, compliance, audits, and financial reporting. Advise on tokenomics, build financial models and scenario analyses, support fundraising, and negotiate liquidity and investment deals to preserve runway and advance network stability.

Design and optimize the builder funnel to attract, onboard, engage, and retain developers and founders. Run programs (hackathons, cohorts), create onboarding resources, analyze KPIs to improve conversion and retention, and build partnerships to expand the ecosystem for decentralized AI and blockchain innovation.

Develop and execute creative marketing campaigns and social content to grow Vana's brand and community. Create copy, visuals, and timely Web3/AI-focused content, manage social channels, engage communities, partner with influencers, track KPIs, and optimize performance.

Build and own core payment infrastructure and APIs end-to-end using full-stack skills. Design robust asynchronous systems and state machines (queuing, scheduling, webhooks), collaborate with CTO, BD, and customers to shape product, and set engineering standards and best practices as an early hire.

Build and deploy full-stack financial infrastructure directly with strategic customers. Scope requirements, develop production-grade features across TypeScript, React, NestJS, Postgres, Prisma, and AWS, integrate blockchain and payment systems, debug production issues, and generalize customer-specific solutions into reusable platform capabilities. The role requires close customer collaboration, strong communication, rapid prototyping, and rigorous attention to correctness, resilience, and auditability in money-movement systems.

Rolling open application to submit your resume and a note about why the company should hire you. Employer proactively considers exceptional candidates for unspecified roles and will reach out if thereis a potential fit.