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

Lead QA for API testing: design and execute RESTful API test cases (payment initiation/status), develop and maintain Pytest automation in Python, use Postman and Git, integrate tests into CI/CD, document results, identify and track defects, and collaborate with development and product teams to resolve issues.

Lead design and implementation of scalable full-stack web applications using Vue.js front-end and .NET back-end. Provide architecture, hands-on development, mentorship, CI/CD and testing, collaborate with product and UX, optimize databases and ensure performance, security, and maintainability.

Gather and document analytics business requirements, conduct needs assessments, translate requirements into user stories, collaborate with data engineers and scientists, create documentation and data dictionaries, participate in agile sprints, support QA and testing, perform exploratory data analysis, build reports and dashboards, monitor analytics solution performance, and evaluate new analytics tools.

Lead creative vision and execution for brand and marketing projects, manage creative teams or contractors, oversee design strategy, and ensure deliverables meet quality and timeline expectations.

Design, deploy, and optimize cloud-native ML systems on AWS, integrate foundation models (Bedrock/Anthropic), build and monitor SageMaker pipelines and data pipelines, detect drift, extend ML infra and libraries, and collaborate cross-functionally to deliver secure, cost-efficient production ML services.

Manage and optimize Google Tag Manager implementations, create custom tagging using JavaScript and data layers, troubleshoot tracking issues, design event and e-commerce tracking and consent management, ensure GA4 alignment, and maintain documentation and best practices.

Develop, modernize, and migrate enterprise Java applications—particularly moving Struts 1 apps to modern stacks. Build scalable Java 21 services with Spring 6, REST APIs, troubleshoot production issues, participate in code reviews, and collaborate with cross-functional teams. Work involves cloud integration and ensuring application performance and quality.

Lead product strategy for market-focused financial services products with deep data expertise. Build and design dashboards/data visualizations, define and track metrics, and translate designs into technical deliverables while collaborating with developers.

Hands-on internship for computer science undergraduates to collect, clean, and analyze datasets, assist GenAI experiments (prompt testing, chatbot tuning), document insights, and learn from mentors using tools like Python and SQL.

Senior Java Big Data Developer to design and build Big Data applications on Cloudera/Hadoop using Java and Spark/MapReduce. Work with Hive, Impala, YARN, Kafka; perform data analysis, unit testing, and scripting. Lead/manage global technology teams and follow industry practices and standards.