Top Software Engineer Jobs in CO

Build and architect Clear Street Active, a high-performance trading platform for active traders. Develop responsive web interfaces integrating real-time market data, low-latency execution workflows, and advanced trading tools. Collaborate with cross-functional teams on large-scale initiatives while emphasizing scalability, performance, API quality, maintainability, and developer experience.

Design, build, and operate enterprise applications, APIs, integrations, and distributed event-driven systems using C#/.NET, React, cloud platforms, and messaging technologies. Integrate business systems, implement resilient architectural patterns, add AI capabilities, and support CI/CD, observability, security, and production troubleshooting. Collaborate with stakeholders and engineers, contribute to technical standards, lead projects when needed, and deliver reliable solutions across engineering, manufacturing, supply chain, and finance functions.

Leads and develops a software engineering team delivering mission-critical communications, A-PNT, and secure mesh networking solutions. Responsibilities include people management, resource planning, software architecture, Agile process improvement, DevOps, CI/CD, automated testing, quality assurance, technical risk management, and delivery oversight. The manager coaches engineers, establishes scalable engineering practices, guides architectural decisions, and evaluates AI-enabled development tools while partnering with leadership on staffing and organizational growth.

Leads the design and development of software solutions, resolves complex technical problems, and provides guidance to engineering colleagues. Responsibilities include preparing technical documentation, reviewing code and testing, applying modern development methodologies, and supporting business initiatives. The role typically requires a bachelor’s degree and at least three years of relevant experience. Preferred skills include Agile, cloud computing, DevOps, requirements analysis, system design, and project management.

Leads delivery of complex software features for desktop utility design tools, translating ambiguous requirements into technical plans and managing performance, correctness, and reliability. Establishes architecture, coding standards, CI/CD and AI-assisted development practices; mentors engineers and leads design and code reviews. Partners with product, QA, delivery, and customers to create reusable solutions, contribute to roadmaps, and represent the team in architecture discussions.

Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.

Build and scale full-stack benefits renewal products using Ruby on Rails and JavaScript/React. Design frontend experiences, backend APIs, automated workflows, and tests; own features from specification through launch and iteration. Lead complex, multi-quarter initiatives, collaborate cross-functionally, conduct experimentation, mentor engineers, and apply AI tools to accelerate development and improve testing. The role focuses on reducing errors and simplifying health insurance renewal processes for customers.

Manage the Loans Lifecycle software engineering team at Affirm. Set technical strategy, lead delivery of business-critical projects, ensure system reliability and operational readiness, establish quality standards, collaborate with product and analytics teams, and coach engineers. The role focuses on highly available distributed financial systems and audit-grade ledger technology using backend technologies including Python, Kotlin, AWS, MySQL, Spark, and Kubernetes.

Design, develop, test, and support high-performance Roku streaming applications using C++, NDK, and Qt. Responsibilities include responsive UI development, REST API integration, video playback optimization, authentication and commerce flows, automated testing, debugging, analytics instrumentation, code reviews, production deployments, certification, and post-release support.

Principal Software Engineer responsible for designing, developing, supporting, and improving enterprise software platforms. The role leads technical decisions, architecture, infrastructure, quality standards, and cross-functional implementation; mentors developers; evaluates technologies; troubleshoots complex issues; and collaborates with customers and distributed teams. Requires strong communication, enterprise development expertise, database proficiency, security knowledge, and experience with Java or .NET, Angular, RESTful APIs, and Agile practices.