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

Design, build, and maintain scalable backend services using Java (Spring) and Python (FastAPI/Django). Implement REST/GraphQL APIs, manage SQL and NoSQL databases, develop microservices, ensure security (OAuth2/JWT), write tests (JUnit/pytest), optimize performance, and collaborate with frontend and DevOps teams in Agile.

Bridge business, product, and engineering to define requirements and user stories for API-driven financial platforms. Design digital onboarding, account maintenance, and money-movement workflows, validate integrations and data flows, perform functional testing and edge-case analysis, and ensure solutions meet regulatory, risk, and legal requirements while collaborating with Product, Engineering, and Design teams.

Design, test, and document prompts and prompt libraries to optimize AI language model outputs. Collaborate with product, data, and ML engineers to integrate prompt solutions, run A/B experiments, measure performance, and maintain versioned documentation. Support TIBCO-specific implementation and stay current on AI/NLP techniques.

Build and maintain high-performance iOS mobile applications using React Native. Collaborate with designers, product, and backend teams to implement features, integrate RESTful APIs, optimize performance, debug issues, write clean code, participate in code reviews, and keep up with mobile development best practices.

Build and scale production-ready generative AI applications: design multi-agent workflows, implement advanced RAG with vector DBs, integrate/swap LLMs, fine-tune models, and deploy scalable FastAPI/Docker services with monitoring and optimization for latency, cost, and reliability.

Design, develop, and maintain automated test suites and execute manual testing. Train squads on test management, collaborate to improve test coverage and application health, and troubleshoot data and web service issues to ensure release readiness.

Lead strategy, roadmap, and lifecycle for mobile (iOS/Android) and web products. Define features, acceptance criteria, and prioritize workflows. Translate banker needs into product requirements, run agile ceremonies, collaborate with UX, Engineering, AI, and CRM teams, and iterate using behavioral analytics.

Principal Automation Engineer driving QE modernization for data and API initiatives. Design, build, and maintain automation frameworks for APIs, data pipelines, and reporting; implement data validation strategies; perform performance testing; integrate tests into CI/CD; coach squads on QE best practices; produce quality metrics and dashboards.

Lead design and implementation of Camunda-based business process automations. Collaborate with product and service teams, provide technical leadership and mentoring, ensure CI/CD and DevOps practices, participate in code reviews, and drive scalable solutions using Java, APIs, SQL/PLSQL, and cloud environments.

Design, build, and deploy production-grade Generative AI applications: multi-agent systems, advanced RAG pipelines, LLM integration and swapping, model fine-tuning and quantization, scalable FastAPI backends, containerized deployment, and monitoring/optimization for latency, cost, and reliability.