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

Leads the design, modernization, performance tuning, and production delivery of J2EE applications. Requires hands-on expertise with Java, EJB, Oracle Fusion Middleware, OFM BPM, Oracle SOA Suite, Oracle Rule Engine, Spring, Hibernate, and AngularJS. Provides end-to-end solution architecture, modernizes legacy systems, guides technical direction, supports multiple customers, and communicates effectively as a technology thought leader.

Leads client-side support for business intelligence applications, resolving Informatica ETL and MicroStrategy reporting issues. Manages problem management fixes, enhancements, and production troubleshooting while guiding an offshore support team. Requires strong analytical, communication, and client-interaction skills.

Manages technical projects valued up to $1 million from award through completion, including planning, scheduling, budgeting, procurement, engineering, installation, subcontractors, customer communication, cost control, invoicing, risk mitigation, quality, and closeout. The role also supervises teams, supports contract execution, monitors project finances, and ensures timely delivery and customer satisfaction.

Supports sales through VAC submission coordination, customer onboarding, account setup, quotation generation, equipment evaluations, upgrades, lead delegation, and reporting. Maintains ERP and sales metrics, handles customer communications, documents interactions, supports order entry, and coordinates cross-functional process improvements while ensuring compliance and timely follow-up.

Manage and optimize SumUp’s sales technology stack, including Salesforce and related revenue tools. Own lead routing and distribution, build sales automations and workflows, support new go-to-market initiatives, produce reports and custom data outputs, and use AI-powered tools to organize data into actionable insights. The role partners closely with sales leaders and marketing in an office-first Boulder environment.

Own full-cycle recruiting for Thatch’s go-to-market and sales organization, from entry-level hiring through executive searches. Partner with sales leaders on role definition, candidate profiles, hiring plans, and recruiting strategies. Build active and passive talent pipelines, manage candidate experiences, balance multiple searches, and provide data-driven hiring insights. The role also supports broader recruiting needs and contributes to scaling an inclusive recruiting function.

Serve as primary contact for royalty/interest owners: respond to inquiries, research and resolve ownership issues, maintain ownership records, coordinate stakeholder communications, and produce audit-ready letters and reports on project timelines.

Own Everbright’s outbound sales motion, initial discovery meetings, prospect follow-up, and mid-pipeline progression for behavioral health practices. Manage the CRM, sales technology stack, pipeline reporting, sales collateral, and signature-to-launch handoffs. Build and prioritize target lists, analyze outbound performance, support account-based marketing, gather market intelligence, and represent the company at conferences. The role is remote-first with 10–20% travel and offers a path toward an independent closing quota.

Senior .NET Web App Developer responsible for designing and building .NET web applications, implementing Oracle PL/SQL solutions, using Entity Framework and Blazor, applying design principles, producing technical documentation, performing performance tuning, and collaborating in Scrum/Agile teams with Bitbucket, JIRA, Tempo, and Confluence.

Develop and maintain web-based applications using .NET/C#, JavaScript, HTML/CSS, SQL and Oracle/SQL Server. Perform root cause analysis, collaborate with teams for requirements, follow Agile SDLC, present change demonstrations, and use Azure DevOps/Jira for lifecycle management. Implement and maintain Blazor components.

Design, develop, and execute automated tests, perform API and performance testing, identify and document defects, collaborate with cross-functional teams to ensure product quality and resolve issues.

Design, build, and deliver front-end features with strong UX focus. Own technical design, coding, testing, deployment, and monitoring in a continuous delivery, microservices environment. Collaborate with Product, implement automated QA practices, and contribute to production deployments while practicing robust testing methodologies.

Volunteer administrative assistant to support organizational workflows: coordinate across teams, prepare presentations and reports, support internal communications, and assist with ad-hoc support tasks to advance the nonprofit's mission.

Volunteer short-form video editor producing Instagram Reels and TikToks from raw event footage. Add captions, nasheeds, effects, and apply pacing and hooks to drive engagement aligned with Hasana’s mission.

Volunteer role to identify and evaluate foundation, corporate, and government grant opportunities; track eligibility, deadlines, and recurring opportunities; maintain a database and present summarized recommendations.