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

The Senior Security Engineer architects, implements, and supports enterprise security capabilities across vulnerability management, cloud security, identity, endpoint, application security, and security architecture. The role leads security initiatives, resolves complex platform issues, develops automation and AI-assisted workflows, establishes documentation and reporting standards, and mentors security engineers and analysts while partnering across infrastructure, application, network, cloud, and security teams.

Senior Accountant responsible for general ledger activities, month-end close, journal entries, balance sheet reconciliations, financial reporting, budgeting analysis, audit and tax support, payroll, and fixed asset management. The role analyzes accounting data, improves internal controls and processes, supports regulatory compliance, and advises executive directors and department heads across assigned facilities.

Drives business transformation by identifying technology-enabled opportunities, redesigning processes and operating models, prototyping AI and digital solutions, developing value cases, and moving successful initiatives from experimentation to adoption and scale. The role partners with senior stakeholders and technical, security, legal, and finance teams while establishing governance, prioritization, change, and reusable transformation methodologies.

Leads complex cross-functional strategy and transformation initiatives from problem framing through recommendation, mobilization, execution, and value realization. Designs operating models, evaluates commercial and technology opportunities, develops executive recommendations, aligns senior stakeholders, and supports measurable organizational change. The role also improves strategy realization methods, develops reusable capabilities, and experiments with AI-enabled ways of working.

Build and scale full-stack web applications, backend services, APIs, and distributed systems. Develop React and TypeScript frontends, backend services with Python, Node.js, or Go, and cloud-native applications using AWS, Docker, and Kubernetes. Work with databases, Kafka, AI/ML integrations, automated testing, security, and performance optimization. Collaborate with product, design, and engineering teams while troubleshooting production issues and delivering reliable software.

Maintain financial records, prepare reports, reconcile bank statements, manage accounts payable/receivable, assist with budgets and forecasts, ensure accounting compliance, and collaborate with departments to support financial goals.

Manage Google Ads and Microsoft Ads campaigns for B2B lead generation with monthly budgets exceeding $100,000. Optimize performance against CPL, MQL, SQL, and pipeline targets; reduce wasted spend; manage pacing and testing; maintain GA4 and Google Tag Manager tracking; and deliver recurring performance reports. The role requires proactive ownership, detailed analysis, PPC expertise, and experience using AI to improve campaign optimization.

Implements and troubleshoots web analytics, conversion tracking, marketing tags, JavaScript, CMS updates, technical SEO, structured data, consent systems, and website performance improvements. Builds GA4 reports and dashboards, audits implementations, performs QA and browser testing, resolves tracking and integration issues, and documents completed work. The role supports multiple client websites in an agency environment on a part-time, as-needed basis.

Leads North American mid-market customer onboarding for a hospitality software platform, managing onboarding project managers and coaches while personally overseeing strategic accounts. Responsibilities include team development, account assignment, escalation management, PMS implementation guidance, performance tracking, cross-functional coordination, partner management, and improving time-to-live, deployment quality, customer satisfaction, and early retention.

Owns the strategy, requirements, evaluation, and quality of AI-powered products. Partners closely with ML, backend, and client engineering teams to define system behavior, assess model performance, manage trade-offs across quality, latency, cost, reliability, safety, and UX, and establish feedback loops. The role requires strong technical judgment, hands-on experience with AI or LLM products, and the ability to turn ambiguous problems into measurable requirements and executable plans.

Build and manage technical relationships with LATAM enterprise customers, helping them adopt JetBrains products, overcome technical barriers, and achieve business outcomes. Serve as a trusted technical advisor, customer advocate, and liaison with Support and Product Engineering. Partner with Account Executives and Sales on account strategies and expansions, recommend product enhancements, present product ideas, and maintain expertise in software development technologies.

Remote administrative operations role for engineering graduates managing purchase workflows, invoices, bookkeeping (QuickBooks), scheduling, documentation (Google Workspace, DocuSign), vendor coordination, basic financial reporting, and supporting leadership with scientific writing, grants, patents, and presentations. Work U.S. business hours with cross-functional teams at a deep-tech startup.