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

Build and maintain cross-platform React Native mobile apps for iOS and Android. Implement end-to-end features, state management, API/BFF integrations, secure auth flows, performance optimizations, native module bridging, testing, CI/CD releases, and collaborate with architects, backend, QA, and DevOps to deliver production-grade applications.

Design, develop, and maintain scalable Android applications using Kotlin/Java and Jetpack components. Integrate REST APIs, optimize performance and security, participate in architecture and deployment activities, troubleshoot and resolve issues, and collaborate with cross-functional teams in an Agile environment while supporting CI/CD and release management.

Design, implement, and own end-to-end scalable ML systems and MLOps lifecycle (deployment, monitoring, metrics). Optimize models and system performance, work with Java/Python and TF/PyTorch, use CI/CD, Terraform, Docker/Kubernetes, lead inter-team communication, document work, and meet deadlines.

Design, build, and maintain backend services, APIs, and platform capabilities. Lead architecture and technical decisions, own features end-to-end, manage release readiness and production deployments, coordinate cross-functional teams, implement CI/CD and monitoring, and apply SRE/DevOps practices to ensure reliable, scalable systems.

Architect and hands-on lead to design and build domain-driven Node.js/TypeScript microservices. Own greenfield systems, APIs, CI/CD, observability, and production readiness. Lead incident triage and RCAs, mentor engineers, drive standards, and collaborate cross-team to deliver scalable, secure customer-facing digital experiences.

Build and maintain a scalable design system: reusable, accessible UI components and tokens; translate Figma/Sketch specs into production code; enforce design standards, accessibility (WCAG/ARIA), versioning, and improve developer experience through tooling and documentation while collaborating with designers, product managers, and engineers.

Lead end-to-end UX design: create wireframes, prototypes and mock-ups (Figma); conduct user research and usability testing; use data and AI tools to inform decisions; present to stakeholders; facilitate workshops; integrate design systems into engineering workflows and ensure smooth handoffs.

Lead and operate CI/CD pipelines and cloud infrastructure using IaC (Terraform/ARM/CloudFormation) across Azure/AWS/GCP. Automate provisioning, monitoring, and scaling; implement logging and alerting (App Insights, Splunk, Datadog, Prometheus); enforce security and compliance; partner with dev/QA/security/release teams; troubleshoot production incidents and perform root cause analysis.

Develop, test, debug, and maintain software applications and tools using Agile methodologies. Participate in design, architecture, and build phases; evaluate compatibility with existing communications hardware/software; resolve problems and roadblocks; collaborate with internal and external peers and managers; work as both individual contributor and team member to deliver high-quality deliverables.

Design, develop, and maintain scalable Java/Spring Boot backend and Angular frontend applications. Build microservices, RESTful APIs, event-driven solutions with Kafka, implement fault tolerance (Hystrix/circuit breakers), observability (SLI/SLO), and deploy on Kubernetes/AWS. Collaborate with cross-functional teams, mentor junior developers, and ensure reliability and performance.