Top Software Engineer Jobs in CO

Develop, modernize, and test ground-station software for military satellite communications. Contribute across the product lifecycle: design, coding, automated test development, integration, verification, troubleshooting, and cross-functional collaboration to meet performance, security, and government accreditation requirements.

Develop and maintain requirements, architecture, APIs, interfaces, and algorithms for SATCOM mission planning software. Support full software lifecycle in Agile/DevSecOps environments, build backend services, implement CI/CD pipelines, perform code reviews, and translate designs into modern front-end interfaces emphasizing automation, testing, security, and performance.

The Software Engineer will develop performance-focused Java microservices, enhance APIs, lead feature development, and mentor junior talent within a collaborative environment for military communication systems.

Design, implement, test, and deploy SAP solutions across FI/CO/SD/MM on ECC6/HANA and RISE on AWS. Lead integrations (APIs/IDocs/SAP BTP/CPI), ABAP development, BASIS system maintenance, testing, defect tracking, documentation, and stakeholder-driven change management for migrations and platform upgrades.

As a Billing & Analytics Software Engineer, you'll design and maintain the billing pipeline, integrate billing systems, and develop customer-facing analytics dashboards to support revenue recognition and operational observability.

Design, build, deploy, and operate a high-concurrency, resilient configuration and publishing platform. Lead cross-team projects, set technical direction, improve engineering productivity, optimize performance, and maintain end-to-end ownership of distributed systems at scale.

As a Principal Flight Software Engineer, you will lead the architecture and development of flight software for space missions, ensuring safety and reliability while collaborating on technical decisions and standards.

As a Staff Flight Software Engineer, you will assist in the software development cycle, integrate GNC algorithms, maintain command telemetry databases, and develop reusable driver libraries for flight hardware.

The GNC Engineer II will develop GNC systems, algorithms, and software for spacecraft, focusing on testing, validation, and integration with other systems.

Lead long-term technical strategy and execution across multiple teams, architecting and evolving foundational frontend/backend systems and platforms at massive scale. Drive AI/ML adoption, solve ambiguous, high-impact problems, remain hands-on in critical system design and implementation, and align senior leaders on roadmaps and engineering standards.

Lead full‑stack design and delivery of customer-facing web experiences (Browse, Navigate, Preview). Own architecture, APIs, data models, rollouts, observability, on‑call readiness, and cross-team alignment, using approved AI-assisted workflows while ensuring technical quality and reliability.

Lead full‑stack development for Gusto's PEO Benefits product: design and build benefits shopping, plan recommendation flows, carrier integrations, automation agents, and MCP tools; scale Ruby/Rails and JavaScript/React systems; mentor engineers; drive multi‑quarter, cross‑functional projects from spec through launch and iteration; collaborate with Product, Data, Design, and Platform teams to deliver customer‑facing features.

As a backend engineer, you will enhance data collection systems to ensure reliability and scalability, working closely with engineering and mission teams.

The Senior Software Engineer will build user features using Golang and cloud technologies, lead tool implementation, and collaborate across teams to enhance productivity.

Build and scale full-stack customer and agent support experiences across React/TypeScript frontends and Go backend services. Own APIs, integrations, and AI/ML vendor integrations, drive CX outcomes through experimentation and metrics, improve reliability through on-call incident response, and collaborate with Product, Design, and Ops to deliver measurable product outcomes.

Lead architecture and multi-year technical strategy for financial data pipelines and reporting. Design and deliver backend services in Go, ensure accuracy, timeliness, and auditability of financial data, and partner with Finance/Accounting/Tax to translate regulatory requirements into scalable systems. Mentor senior engineers and set architectural standards across Financial Engineering.

The role involves designing and expanding backend systems, mentoring engineers, and executing technical strategies to modernize architecture and improve system performance.