Top Blockchain Jobs in Chicago, IL

Own the full outbound sales cycle for mid-market merchants, from prospecting and pipeline development through discovery, demonstrations, negotiation, and close. Build multi-product solutions, acquire new logos, manage complex multi-stakeholder deals, maintain Salesforce forecasting accuracy, collaborate cross-functionally, and consistently achieve revenue targets.

Leads Mastercard Commerce Media advertiser sales across North America, owning revenue targets, pipeline development, advertiser acquisition, account expansion, sales strategy, forecasting, and executive relationships with brands and agencies. Builds and coaches a high-performing sales team, establishes operating processes, and partners cross-functionally with Product, Marketing, RevOps, Legal, Finance, and account teams to commercialize measurable commerce media solutions.

Own end-to-end revenue and partnership accounting, including month- and quarter-end close, reconciliations, journal entries, subledger reviews, variance analysis, revenue recognition, incentive accounting, disclosures, controls, and audit support. Apply ASC 606 and US GAAP to complex arrangements while partnering with commercial, legal, tax, and data teams. Design AI and automation solutions using ChatGPT and Gemini to improve efficiency, quality, governance, and auditability.

Design and build web and mobile trading applications using React/React Native and .NET; extend WebSocket/REST APIs; process streaming market data; collaborate with product and vendors; troubleshoot urgent issues; apply AI coding assistants responsibly.

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.

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.

Leads marketing analytics and measurement across growth marketing, from campaign spend through pipeline and revenue. Owns dashboards, attribution, ROI, CAC, LTV, forecasting, budget analysis, experimentation, and data quality. Partners with Growth Marketing, Finance, RevOps, Business Intelligence, and Marketing Operations to improve reporting, automate workflows, and apply AI, machine learning, and predictive modeling to generate actionable insights and optimize investment decisions.

Leads Coinflow’s enterprise compliance governance program across the US, Canada, and EU. Responsibilities include policy and control framework ownership, second-line BSA/AML testing, regulatory change management, sponsor bank coordination, audit and exam readiness, issue remediation, governance reporting, and compliance tooling rollout. The role partners with Risk, Legal, Engineering, Product, Underwriting, AML, and Operations while driving findings and action items to documented closure.