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

Design, develop, test, and deploy advanced Android applications. Lead and mentor an Android team, conduct code reviews, collaborate with cross-functional teams and UX/UI designers, integrate RESTful and third-party APIs, troubleshoot complex issues, and optimize apps for performance, security, and scalability.

Design and build backend microservices with Java and Spring Boot, create and maintain RESTful APIs, and develop Angular frontend components. Work across the full stack, integrate asynchronous patterns (Kafka) and AWS S3, collaborate with cross-functional teams, and troubleshoot/debug applications throughout the software lifecycle.

Own and execute product roadmaps for hospitality/restaurant workstreams. Collaborate with engineering, UX, operations, and stakeholders to deliver features, translate needs into user stories, run Agile ceremonies, analyze data and feedback, and improve guest-facing digital experiences (POS, ordering, loyalty, kiosks).

Lead UI/UX design for enterprise web and mobile products. Create visual and interaction designs, conduct UX architecture and research, craft content strategies, and produce deliverables. Collaborate with cross-functional teams and developers to ensure technical feasibility and translate designs into implementation. Maintain a strong portfolio demonstrating expert design capability.

Senior Java developer responsible for building enterprise, high-availability REST APIs and Spring Boot microservices. Requires strong Core Java, multithreading, OOP and architectural skills, Spring/Hibernate, Oracle PL/SQL, security practices, Agile experience, and effective communication for collaboration with global teams.

Design, implement, and operate AWS network architectures (VPCs, Transit Gateway, Direct Connect). Manage hybrid connectivity, configure AWS networking services, troubleshoot performance and security, automate deployments with Terraform/CloudFormation, collaborate with DevOps/security teams, and document network architectures and procedures.

Senior UX Designer responsible for creating user-centered designs, user flows, wireframes, prototypes, and both low/high-fidelity mockups. Collaborate with product, engineering, stakeholders, and leadership; incorporate customer feedback and usage metrics; perform post-launch metrics analysis to optimize UX.

Lead design and development of scalable, secure enterprise Java applications. Implement REST APIs and Spring Boot microservices, apply core Java, multithreading, OOP, and architectural best practices. Work with Spring/Hibernate and Oracle PL/SQL in an Agile, distributed team; ensure security, high availability, and strong stakeholder communication.

Support the Principal Consultant by gathering and analyzing data, developing capability assessments and financial analyses, preparing presentations and roadmaps, coordinating project milestones, and delivering data-driven recommendations to integrate findings with technical and business teams.

Lead architecture and development of a high-performance frontend framework using Vue.js, Spring MVC and Thymeleaf. Implement SSR/CSR hybrid rendering, optimize frontend performance (lazy loading, tree shaking, prefetching, edge caching), architect the BFF layer with Spring Boot microservices on GCP, collaborate with backend teams, and mentor frontend engineers to drive technical excellence and scalable deployments.