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

Manage financial transactions and ledgers, reconcile bank accounts, process accounts payable/receivable, generate financial reports, assist with budgeting and forecasting, ensure compliance with tax and financial policies, coordinate with external accountants, and maintain organized financial records.

The Customer Success Representative engages with clients to optimize their use of AI-powered compliance solutions, ensures successful onboarding, provides ongoing support, and manages client projects efficiently.

As a Senior Systems Administrator, you will manage AWS infrastructure, optimize systems, enforce best practices, lead automation, and mentor junior engineers.

Manage a team of Payroll and Tax Specialists, ensuring efficient payroll processing and tax compliance for various payroll systems. Candidates should have at least 1 year of experience in payroll services, preferably in a PEO environment.

The job involves working with payroll services or PEOs, supporting processes related to various payroll systems like UKG and ExecuPay, and aiding in tax notice resolution.

As a Senior Staff Software Engineer, you will lead the design and development of AI-powered products, mentor team members, and architect backend systems using Python and modern frameworks while ensuring code quality and optimizing performance.

The Staff Software Engineer will lead feature delivery by building frontend and backend components, focusing on architecture, optimization, security, and performance in a fast-paced environment.

Lead the development team to enhance administrative tools, manage full stack web experiences, resolve performance issues, and mentor other developers.

Lead design and build of end-to-end growth operating systems connecting marketing, sales, partners, product and engineering. Own CRM, analytics, forecasting, AI-assisted workflows, dashboards, and processes from lead to activation to expansion to drive repeatable revenue and product adoption.

Build and ship full-stack features for an AI-powered onboarding platform: design UIs, embeddable components, workflow automations, a compliance rules engine, internationalization, and third-party API integrations while ensuring testability and observability.

Build and lead the company's tax function: manage indirect taxes (sales/use, VAT/GST, DST), support ASC 740 income tax provision and filings, own payroll accounting and employment tax guidance, manage equity compensation tax compliance, and identify strategic tax planning opportunities including R&D credits and transfer pricing.

Design and curate multimodal, multitask datasets and run controlled training experiments to evaluate how data composition affects world-model performance. Build large-scale synthetic data pipelines, filtering and quality-control systems. Define benchmarks and evaluations, and partner with product and creative teams to translate target behaviors into data strategies that enable simulation-driven AI capabilities.

Inside sales role managing inbound and outbound leads through a consultative sales process to close custom steel building projects. Prepare customized quotes, respond rapidly to inquiries, build long-term customer relationships, develop PEMB product knowledge, and maintain accurate CRM pipeline records. Full-time, in-office role based in Denver, CO.

Manage full lifecycle of custom steel building projects from contract handoff through design, manufacturing, delivery, and closeout. Serve as single point of contact for customers and internal teams, maintain schedules and financials, manage change orders, ensure on-time execution with ERP/MBS/CRM recordkeeping, and produce status reports for leadership.

Lead and execute Knoxs demand generation, ABM, and marketing operations to drive sales-aligned pipeline. Design digital-first programs across paid media, website, email, and ABM; manage martech stack, attribution, and reporting; partner with Sales, Finance, and Product to forecast and measure revenue impact.

The Director of Customer Success will lead the West region, driving customer outcomes, commercial strategies, and team development while fostering executive relationships within enterprise accounts.

Serve as first-line IT support for hardware, software, networking, and enterprise applications. Triage and resolve support tickets, manage onboarding/offboarding, administer Okta and endpoint management (Intune, Jamf), maintain device health and access controls, collaborate with Security and Engineering, document processes, and improve support workflows to ensure a secure, compliant, and user-friendly hybrid work environment.

Lead Viz.ai's platform product strategy and execution across care pathways, AI capabilities, EHR integrations and life sciences data. Grow Product, Product Marketing, and Design teams; drive adoption, engagement, pricing, implementation scalability, and ARR contribution. Partner cross-functionally with R&D, Clinical, Commercial, Customer Success, and the board to translate product vision into measurable clinical and commercial outcomes.

Six-month unpaid, full-time apprenticeship to edit, repurpose, and publish a founder's daily B2B SaaS content across YouTube Shorts, X, Reddit, and Substack. Responsibilities include video editing (Descript), platform-native formatting, publishing with optimized metadata, monitoring engagement, and iterating to maximize reach. Exclusivity and regional eligibility required.

Six-month unpaid apprenticeship to manage pilot customers and inbound sales pipeline for an early-stage SaaS founder. Responsibilities include Slack concierge support, CRM pipeline triage, daily data QA, and creating Notion help docs and Loom tutorials. Heavy emphasis on written B2B communication, organization, and accurate CRM/data handling.

Six-month, unpaid intensive apprenticeship to build and maintain live no-code/low-code revenue data pipelines. Responsibilities include QA of intent data, building n8n workflows, writing basic JavaScript to transform payloads, and troubleshooting API calls and webhooks to ensure delivery to Slack, CRMs, and email tools.