Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

Own post-underwriting risk management across live merchant portfolios. Monitor transaction activity, fraud, chargebacks, disputes, refunds, and processing trends; investigate unusual patterns; recommend reserves, holds, limits, monitoring, and remediation; and provide data-driven recommendations to Payments leadership. Improve risk alerts, workflows, dashboards, and automation while collaborating with underwriting, compliance, product, engineering, operations, and client success.

Lead the architecture and hands-on development of AI agents and autonomous storefront systems. Build agent tools, execution loops, evaluations, observability, MCP infrastructure, quality gates, and optimization workflows. Design APIs, data models, and service boundaries across TypeScript, Node.js, React, Postgres, MongoDB, and Redis. Drive AI-native engineering practices, testing, reliability, technical communication, and cross-functional technical leadership.

Own the architecture, product direction, and hands-on development of Phoenix’s payments infrastructure across processors, gateways, vaults, tokenization, wallets, routing, authorization, disputes, fraud, reconciliation, and reliability. Lead merchant and processor integrations, improve approval rates, manage payment-method portability, maintain PCI-compliant systems, and own incident response. The role combines principal engineering with payments product ownership, requiring direct customer engagement, roadmap decisions, technical design, coding, and accountability for business outcomes.

Own Phoenix’s company-wide revenue strategy and commercial engine across Marketing, Sales, Partnerships, and Revenue Operations. Build a scalable go-to-market organization, drive predictable revenue growth, expand into new merchant segments, establish forecasting and operating cadence, develop strategic partnerships, and align Product, Engineering, AI, Payments, Finance, and Customer Success around growth. Partner with the executive team to scale the company from Series A toward category leadership.

The Chief Technology Officer will own Phoenix’s technology and engineering organization, including technical strategy, architecture, AI roadmap, platform scalability, payments infrastructure, reliability, hiring, and engineering culture. The role leads development of AI agents for commerce, partners with product and business leaders, represents the technical vision to investors and partners, and helps guide company-wide strategy, budgeting, and organizational design.