Top Blockchain Jobs in Denver & Boulder, CO

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.

Design and own secure, scalable wallet infrastructure for custody, key management, transaction signing, authorization, recovery, and multichain systems. Architect support for MPC, HSMs, secure enclaves, TEEs, smart contract wallets, account abstraction, and emerging cryptographic approaches. Define security boundaries, policy engines, secrets management, authentication, and programmable authorization while making foundational build-versus-buy decisions and guiding systems from first principles through production.

Own the full outbound sales cycle for mid-market merchants, including prospecting, pipeline development, discovery, demonstrations, negotiation, and closing. Develop tailored multi-product solutions across Square’s ecosystem, acquire new logos, manage complex stakeholder deals, and maintain accurate Salesforce forecasts. Collaborate with Business Development, Product, Marketing, Implementation, and Operations while consistently meeting or exceeding revenue targets.

Leads a 12-person application security practice conducting code audits, vulnerability research, and secure design reviews. Oversees technical delivery, client relationships, project staffing, utilization, profitability, recruiting, and team development. Provides hands-on technical direction across source-code security work, determines investments in tooling and methodologies, and integrates AI-assisted auditing and research into team workflows. The role also owns practice P&L and supports engineers’ conference, publication, and open-source contributions.

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.

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.

Architect, deploy, and improve hybrid infrastructure across bare-metal, virtualized, private-cloud, public-cloud, and containerized environments. Build automation with Terraform, Ansible, and Consul; establish infrastructure standards; optimize cost, performance, reliability, and scalability; improve observability; and lead capacity planning, disaster recovery testing, and modernization initiatives while collaborating with CloudOps, Technical Operations, and Platform teams.

Own and scale Kraken’s global affiliate program and build its consumer KOL and creator strategy. Set partner, market, budget, and commercial priorities; negotiate affiliate and creator terms; manage strategic relationships; analyze cohorts, attribution, retention, CAC, ROI, and payback; and improve customer quality. Protect the channel against fraud, abuse, and brand bidding while adapting programs to regional regulations and customer behavior. Collaborate with Data, Product, Creative, Compliance, Performance Marketing, and regional teams.

Lead program management for Data & Audit Readiness: own inventories, playbooks, and catalogs to keep data systems audit-ready; coordinate audits with Internal Audit, Risk, Finance, Security, Compliance and external auditors; implement tagging/governance and manage auditor access; perform ongoing testing and readiness improvements.

Coordinates product operations for Krak’s consumer payments and banking products. Manages compliance, legal, fraud, risk, vendor, and launch dependencies; maintains operational trackers; supports incident response; interprets fraud, dispute, customer experience, and authorization metrics; and provides market, regulatory, and vendor intelligence to guide product decisions and roadmap planning.

Develop production AI applications using LLMs, RAG architectures, agentic AI, and multi-agent systems. Build Python APIs and backend services, implement vector search and embeddings, and deploy solutions across Azure AI services. Collaborate with architects, product teams, and stakeholders on enterprise AI projects, architecture decisions, best practices, and technical standards. The role requires strong Python expertise, Azure AI experience, modern AI orchestration frameworks, and CI/CD knowledge.

Design, implement, and optimize low-level software, networking components, protocols, and performance-critical systems. Develop algorithms, manage memory, build testing frameworks, debug multithreaded network applications, analyze packet flows, and eliminate bottlenecks. Collaborate with engineering teams on modular codebases, technical documentation, code reviews, and release quality.