Top Software Engineer Jobs in CO

Leads technical initiatives for Toast’s restaurant scheduling product, designing and delivering scalable full-stack software. Responsibilities include architecture, API and system design, roadmap influence, cross-functional collaboration, engineering quality, performance, and technical leadership. The role also promotes AI-assisted development and improved employee and customer experiences.

Lead the technical vision, architecture, and delivery of Toast’s pricing engine across multiple teams. Design and operate highly available distributed systems, APIs, databases, and event-driven services at scale. Serve as the pricing domain expert, improve correctness and performance, lead incident response and reliability initiatives, mentor engineers, establish operational excellence, and align technical priorities with Product and engineering leadership.

Lead backend engineering strategy for Affirm’s search and recommendation platform. Design and launch highly available distributed systems, guide technical architecture and execution, improve team operations and reliability, establish engineering quality standards, collaborate with product, design, and analytics, and mentor engineers. The role focuses on search, recommendations, consumer shopping experiences, monetization, and scalable platform foundations.

Develop and scale backend streaming and data infrastructure using Kafka, Flink, AWS, Kubernetes, and related technologies. Break down projects, deliver tested software, collaborate with product and engineering teams, monitor system availability, participate in on-call support, debug code, conduct code reviews, and contribute to team development.

Architect, build, and operate large-scale relational and distributed SQL database infrastructure. Responsibilities include database control-plane automation, provisioning, failover, backups, upgrades, zero-downtime migrations, Kubernetes networking, connection proxy optimization, reliability monitoring, capacity planning, and operational support. The role also leads technical delivery, mentors engineers, establishes quality standards, collaborates cross-functionally, and contributes to team roadmap and on-call operations.

Software engineering interns develop and modify software for space, avionics, tactical, satellite command and control, mission planning, and data processing systems. Responsibilities include requirements analysis, architecture, design, coding, testing, integration, documentation, and collaboration within agile teams. Interns participate in company development activities and work on-site five days per week. Experience with programming languages and high-reliability software development is required; cloud, web, frontend, backend, and database technologies are preferred.

Software Engineering Interns will develop and modify software for space, avionics, tactical, satellite command and control, mission planning, and data processing systems. Responsibilities include requirements analysis, architecture, design, coding, testing, integration, documentation, and collaboration in agile, high-reliability teams. Interns will participate in professional development activities and maintain effective relationships across the company. The role is fully on-site five days per week and may involve laboratory, production floor, cleanroom, or outdoor environments.

Software Engineering Interns develop and modify high-reliability software for space, avionics, tactical, satellite command and control, mission planning, and data processing systems. Responsibilities include requirements analysis, architecture, design, coding, testing, integration, documentation, and collaboration with engineering teams in an agile CI/CD environment. The role is fully on-site and includes professional development and intern activities.

Leads and develops a 5–10-person software engineering team, sets technical strategy, guides architecture and API design, and partners with product, design, data science, and business stakeholders. Owns product delivery, reliability, observability, incident response, security, automation, testing, continuous delivery, and operational health while hiring talent and fostering an inclusive, high-performing team culture.

Own and develop Gusto’s PeopleOS internal HR platform, integrations, and AI-powered tooling. Build full-stack software, REST API integrations, MCP servers, and Claude-based workflows across Workday, Greenhouse, Slack, Google Workspace, and other systems. Partner with People Operations stakeholders on design, implementation, testing, documentation, releases, troubleshooting, and user feedback. Handle sensitive HR data while delivering reliable employee-facing tools.

Build and operate production-grade Python backend services, APIs, distributed systems, data pipelines, and agentic workflows for an AI observability platform. Own ambiguous projects from prototyping through architecture, testing, deployment, and ongoing operation. Collaborate with product, machine learning, and infrastructure teams, while contributing React front ends when needed. The role requires strong backend depth, distributed-systems expertise, cloud experience, and end-to-end product ownership.

Develop high-fidelity spacecraft simulation software in modern C++ and Python. Build multi-physics models covering spacecraft dynamics, thermal systems, attitude control, propulsion, power, sensors, and actuators. Implement solver architectures and time-stepping algorithms for real-time and faster-than-real-time simulation, maintain multi-language APIs, collaborate with engineering teams, and participate in code reviews and planning.

Paid, full-time 11-week software engineering internship supporting Spectrum’s mobile technology teams. The intern will use AI to write and troubleshoot code, develop clean and tested software, diagnose complex issues, implement requirements through Agile practices, and collaborate with product and technology teams. The role includes professional development, mentorship, networking, and team projects.

Paid, full-time software engineering internship developing tools that improve network operations and customer experience. Interns translate ideas into functional software for Access Operations and collaborate with department teams while participating in mentorship, professional development, networking, community service, and presentations. Candidates must be rising seniors pursuing a bachelor's degree, maintain at least a 3.0 GPA, and be authorized to work in the U.S. without current or future sponsorship.

Leads a cross-functional engineering team responsible for GameChanger’s basketball coverage products across iOS, Android, and backend platforms. Coaches and develops engineers, sets delivery and reliability standards, partners with Product and Design on priorities, hires talent, and contributes to engineering culture and organizational effectiveness. The role requires technical depth, architecture fluency, product judgment, and active development of AI fluency.

Leads the Platform Authentication and Authorization engineering team, combining people management, technical direction, and delivery accountability. Oversees identity and access services using OAuth 2.0, OIDC, Keycloak, MFA, SSO, federation, and policy enforcement. Guides software architecture, production operations, secure development, compliance, modernization, and cross-functional delivery while developing engineers and promoting responsible AI-assisted engineering.