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

Design, build, and own business-critical data infrastructure, including AWS Glue and Spark pipelines, cloud warehouse or lakehouse systems, orchestration, and Tableau BI platforms. Define event-driven contracts, data models, schemas, observability, and batch or streaming architectures across multi-tenant, multi-region environments. Collaborate across producer and consumer teams while owning production data infrastructure and outcomes end to end.

The Senior Backend Engineer develops core product features in ETL and GraphQL, designs APIs, builds ETL pipelines, and collaborates with frontend teams.

Sell Horizon3.ais NodeZero platform to mid-enterprise customers in Northern California. Acquire new accounts, nurture channel partner relationships, manage full sales cycle from qualification to close, deliver demos and proofs-of-value, track pipeline and forecasting in Salesforce, and drive post-proof ROI. Meet and exceed quotas while collaborating with distributed sales, support, and success teams. Must be Sacramento-based with up to 20% travel.

Design and implement backend APIs (GraphQL) and ETL pipelines for data processing and retrieval; build cloud-native services on AWS/Azure/GCP using Docker and Kubernetes; collaborate with frontend, product, and design teams to present data; ensure federal compliance (FedRAMP, IL4/5/6) and support classified workloads; mentor engineers and maintain production infrastructure.

Develop and maintain attack content and platform data models for an autonomous pentest product. Collaborate across engineering teams, implement secure, scalable architecture, fix bugs, perform code review and testing, and support federal network requirements and certifications.

Provide advanced enterprise technical support for FedRAMP/DoD environments: troubleshoot cloud, networking, and infrastructure issues; perform root cause analysis; deploy and optimize containerized and IaC-based environments; maintain SLAs; mentor junior staff; collaborate with engineering/product/sales; and ensure secure, compliant production operations.

Partner with Account Executives to drive Mid‑Enterprise deals: lead technical discovery and qualification, deliver tailored demos and proof‑of‑value engagements, own technical deal strategy and post‑close continuity, and collaborate with product, engineering, and customer success to translate technical capabilities into business value and expansion opportunities.

The Mid-Enterprise Account Executive will drive sales by acquiring new accounts, building customer relationships, and managing partner relationships in the cybersecurity sector.

Lead go-to-market for NodeZero WebApp Pentesting: build GTM strategy, positioning, competitive messaging, sales enablement, and product-marketing processes. Partner with Product and Engineering to translate technical AppSec capabilities into buyer-focused value, drive launches, and equip sales and channel partners to win deals.

Lead resolution of critical enterprise support escalations across cloud, networking, and infrastructure. Drive root-cause analysis, influence engineering fixes, design customer architectures, define support SLAs/processes, mentor team members, and introduce tooling and practices to improve reliability and support outcomes.