Top Blockchain Jobs in Denver & Boulder, CO

Build and lead Delphi Digital’s Stablecoins, Payments & Fintech advisory practice. Responsibilities include defining markets and service offerings, originating and closing institutional advisory engagements, developing partner-led distribution, leading initial client delivery, productizing research into repeatable offerings, establishing thought leadership, and recruiting a scalable team. The role requires senior relationships across payments, fintech, banking, investment, and strategic advisory, along with strong crypto-native and traditional payments expertise.

Design, develop, test, audit, and deploy smart contracts and dApps. Integrate wallets, blockchain APIs, and Web3 infrastructure. Optimize for performance and gas efficiency, collaborate with cross-functional teams, monitor production systems, research emerging protocols, and document technical specifications.

Lead design, development, testing, and maintenance of high-performance Android and iOS mobile applications. Collaborate with designers, product managers, and engineers to implement intuitive UIs, integrate RESTful APIs and third-party services, optimize performance and security, participate in code reviews, troubleshoot issues, and stay current with mobile technology trends.

Develop and optimize core Injective blockchain components, including Cosmos SDK protocol modules, decentralized order books, trade execution, consensus, state management, and Layer 2 systems. Build performant Golang clients and contribute to blockchain research, testing, scalability improvements, and open-source ecosystem collaboration. The role requires strong blockchain, DeFi, Go, distributed systems, and financial market expertise.

Build, maintain, and test high-performance blockchain components for Injective’s Cosmos-SDK protocol, including orderbook, trade execution, order matching, and Layer-2 systems. Develop open-source Go clients and REST/WebSocket APIs for exchange users and programmatic traders. Candidates need strong Go experience, blockchain knowledge, computer science fundamentals, and familiarity with Geth or Erigon. Cosmos-SDK, Tendermint, Ethereum, Solidity, Layer-2, and financial markets experience are preferred.

Lead SendSol’s marketing strategy, brand voice, go-to-market campaigns, creator-project promotion, ecosystem partnerships, newsletters, and campaign communications. Collaborate with founders on growth and product goals, track performance metrics, and optimize reach and conversion while building marketing systems and traction for a Web3 crowdfunding platform.

Designs, builds, and owns production RAG systems, including ingestion, chunking, embeddings, hybrid retrieval, reranking, evaluation, secure multi-tenant access, and LLM serving. Optimizes open-source models with Ollama and llama.cpp across cloud, on-premises, and air-gapped environments. Establishes architecture standards, reviews designs, mentors AI developers, evaluates emerging RAG techniques, and supports Azure/AWS infrastructure, Kubernetes deployments, CI/CD, observability, and Kafka-based ingestion pipelines.

Drive ecosystem growth and enterprise adoption of CoinMarketCap’s on-chain Oracle product. Responsibilities include prospecting DeFi protocols and blockchain enterprises, managing the full business development cycle, negotiating partnerships, developing market expansion strategies, presenting technical solutions, maintaining client relationships, influencing product roadmaps, and representing the product at industry events.

Design and build architecture for institutional blockchain infrastructure spanning sequencers, coordinators, ZK proving, interoperability, privacy, settlement, and production infrastructure. Translate financial-institution requirements into implementable designs, lead proof-of-concepts, make architecture decisions, document ADRs, evaluate build-versus-buy choices, and support technical client discussions. This is a hands-on individual contributor role requiring recent distributed-systems development experience and strong Ethereum/EVM knowledge.

Manage and grow a portfolio of customer accounts through renewals, retention, upsells, and expansion. Build trusted relationships, understand manufacturing workflows, uncover customer problems, and lead discovery, demonstrations, proposals, negotiations, and closes. Use AI tools, automation, low-code development, and prototypes to explore solutions. Collaborate with Product, Engineering, Launch, and Support while maintaining account health, forecasts, and expansion pipelines.