Software Developer Jobs in Colorado, United States

Agent Runtime team builds Workday’s secure execution platform for enterprise AI agents, creating runtime substrates that enforce policy via deterministic controls for data access, tool use, model routing, and auditability. The Senior Software Development Engineer designs and builds core runtime services, sandbox execution, sidecar interfaces, and observability, while the Software Development Engineer III implements backend components, policy-aware pathways, and telemetry.

Software Engineer–Developer (Development) at The Boeing Company supports the Virtual Warfare Center (VWC) team in Seal Beach, CA and Colorado Springs, CO. The role focuses on full‑stack web application development for Boeing Defense Space & Security (BDS), building and maintaining the VWC website and Space Sim applications. Candidates will work with C#, JavaScript, Node.js, React, MySQL, and Microsoft SQL on both Windows and Linux environments, leveraging high‑performance computing, artificial i

ADC Hardware & Software Team at Amazon Web Services (AWS) builds embedded software for custom FPGA SoCs and high‑assurance 400G+ networking solutions. The SDE develops Rust‑based firmware, low‑level ARM and RISC‑V drivers, Linux kernel modules, and implements cryptographic security standards, collaborating with hardware and system engineers and maintaining CI/CD test pipelines.

Developer Platform team at Workday builds the foundation for an open developer ecosystem, delivering APIs, SDKs and services that let external developers extend Workday products. As a Senior Software Development Engineer you will design and implement core platform capabilities, lead architecture decisions, and mentor engineers while ensuring scalability, reliability and a great developer experience.

Technology Services team builds AI‑driven collaboration and automation platforms for the firm. The Software Developer designs, develops and deploys enterprise‑grade AI applications on Azure using C#/.NET, Azure Functions, Service Bus and AI Foundry, delivering intelligent workflow solutions.

Leidos seeks a Software Developer to design and implement containerized Java and C++ environments, develop mission‑critical missile defense software, and collaborate with engineering teams to deliver high‑quality solutions. The role requires strong programming skills, Agile experience, and the ability to work independently and communicate technical concepts effectively.

ENSCO's engineering team builds full‑stack cloud applications that support critical mission systems. The role designs, develops, tests, and maintains AWS‑hosted software, integrating frontend frameworks with Java, Python or Node.js backends and containerized services.

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world’s most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the boundaries of what’s possible to empower our team and support our customers in building a safer global future.

KBR’s National Security Solutions team seeks an NS4R Software Developer to support the National Security SATCOM Systems Synchronization Roadmap (NS4R) application hosted on DISA’s MilCloud. The role involves maintaining the NS4R database, implementing enhancements, providing desk support, managing user accounts and backups, controlling source code configuration, troubleshooting security requirements, assisting Level 1 POCs with data entry, managing the MilCloud Virtual Data Center, installing OS

Mid Software Developer

Senior Software Developer on the National Technology Practice at AtkinsRéalis USA Inc. The role leads design, development, and delivery of enterprise applications using C#, .NET, Python, and JavaScript/Node.js, collaborating with clients to translate business needs into scalable solutions. It involves backend services, APIs, SQL data solutions, and DevOps CI/CD pipelines across multiple U.S. hubs.

Software Developer / Engineer role at CACI International focuses on building next-generation mission management systems using cloud-native technologies and an agile continuous deployment framework. The position requires a TS/SCI clearance, a bachelor’s degree in STEM, and at least three years of software development experience.

Software Developer at KBR building secure, cloud-native solutions for the U.S. Space Force. Design and implement Kubernetes/Docker clusters, CI/CD pipelines, and GitOps workflows.

Fusion Analysis & Development Effort (FADE) team at CACI builds cloud‑based software platforms for intelligence analysis and warfighter support, deployed on AWS and edge devices. The Server Software Developer designs, implements, and maintains new capabilities, resolves operational issues, and collaborates with analysts and stakeholders to ensure solutions meet mission needs.

Developer Agent team builds AI‑powered developer tools that empower engineers to code, navigate, and automate on the Workday platform. The role designs and builds full‑stack platform capabilities, owns services end‑to‑end, and collaborates with product and engineering peers to deliver reliable, secure APIs and developer‑facing interfaces.

Embedded Software Developer at Booz Allen Hamilton builds mission‑critical software for national defense. The role architects new mission‑focused capabilities, improves performance, resilience, and operational speed, and delivers solutions within Agile and DevSecOps pipelines.

Rust Software Developer at Booz Allen Hamilton’s Defense Engineering team, building mission‑critical solutions for national defense. The role architects high‑performance, resilient services in Kubernetes, designs autoscaling, and implements CI/CD pipelines.

Mid Software Developer at KBR responsible for designing and implementing secure, end-to-end Kubernetes/Docker clusters and cloud-native applications for the U.S. Space Force. Collaborate with clients and internal teams to build CI/CD pipelines, apply GitOps, and automate deployments using Terraform, Ansible, and ArgoCD.

Software Development Manager at CACI leading an Agile product team in Denver, CO, US. Drives end‑to‑end software delivery for the CACI AI Research Team, overseeing design, implementation, QA, and deployment while facilitating SAFe ceremonies and metrics. Works hybrid onsite and remotely, collaborating across multiple organizations to meet aggressive time‑based goals.