Top Software Engineer Jobs in CO

Design and build new and existing mission-critical software for aviation and defense, collaborating with cross-functional teams, leveraging modern LLM tools, traveling up to 50%, and working with export-controlled data requiring an active security clearance. Senior hires will focus on high-performance, scalable systems.

Design, build, test, and maintain low-latency, high-throughput trading services on an Aeron-based platform. Expand trading protocol features, migrate workflows to the new stack, optimize performance and scalability, support production reliability, and collaborate with cross-functional teams while using AI-assisted development tools.

Lead design, development, and testing of complex software systems for space/defense applications. Architect solutions, write and review code, manage version control, troubleshoot issues, document processes, mentor and lead engineering teams, drive technical strategy and adoption of new technologies, and communicate with non-technical stakeholders while ensuring project performance and schedule.

Design, develop, test, and maintain business software applications. Write clean scalable code, perform debugging and unit testing, participate in code reviews, use Git, document designs, and collaborate with cross-functional teams to deliver features and improvements.

Build and evolve Circle Discover marketplace features: high-converting purchasing flows, algorithmic recommendations, content feeds, and listings. Work across a Ruby on Rails backend and React/Next.js front-ends, optimize performance and SSR/SSG, collaborate with designers and leaders, and improve codebase quality while shipping at pace in a distributed remote team.

Lead and grow engineering teams building AI-powered automation (especially LLM/Agentic AI) for compliance. Drive architecture, scalable multi-tenant systems, cloud-based engineering, cross-functional roadmaps, hiring, code quality, incident response, and delivery of high-impact AI/ML products.

Build and own end-to-end full-stack systems for AI-powered agentic trading across web and React Native mobile. Implement real-time, low-latency UIs and Go backend services, integrate streaming AI/ML features and market data, drive architecture and code quality, and collaborate with AI/ML, design, and product teams to ship production-ready features used by millions.

Provide technical leadership for cross-functional teams, create and communicate technical vision and strategy, lead new initiatives without defined procedures, remove roadblocks, resolve issues, mentor engineers, and perform related duties. Remote role based in Canada; GM does not provide immigration sponsorship.

Build and operate high-throughput backend services powering AI agent orchestration, connector integrations, and real-time data pipelines. Design scalable core platform services, collaborate with ML, frontend, and product teams, implement infrastructure-as-code and CI/CD, and mentor junior engineers to deliver reliable, AI-powered features.

Design, build and maintain scalable data pipelines and automated workflows using Python, Airflow, DBT and cloud warehouses. Partner with Analytics, Sales and Marketing to deliver curated marketing datasets, enforce data quality through validation and CI/CD, and support production deployment and monitoring of Enterprise Data Lake/ODS solutions.

The GTM Engineer will automate sales workflows using tools, build integrations, design a win/loss analysis program, and collaborate with sales teams to leverage AI insights.

The Staff Software Engineer will architect and develop high-performance cloud services, resolve infrastructure bottlenecks, ensure engineering best practices, and mentor junior members.

As a Senior Fullstack Engineer, you'll contribute to backend development for Toast's New Ventures team, collaborating on architecture and launching MVPs while addressing unmet operator needs.

As an Outcome Engineer, you will architect multi-agent systems, implement automated governance, and build evaluation frameworks to enhance AI-powered workflows.

The Staff Software Engineer will lead full-stack initiatives, improve system quality, drive technical direction, and mentor peers in a collaborative environment.

As an Outcome Engineer at Onebrief, you will architect multi-agent systems, implement automated governance, and prototype AI tools, transforming product development in a collaborative environment.