Software Developer Jobs in Colorado, United States

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.

Leidos Defense Sector seeks a Software Developer for the Integrated Tactical Warning/Attack Assessment and Missile Defense mission areas in Colorado Springs, CO. The role involves designing containerized environments, developing mission-critical software, and supporting data integration and analytics solutions. This is a full-time, on-site position requiring US citizenship and an active security clearance.

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.

Booz Allen Hamilton - TEAMS business develops advanced software for the United States Space Force, building core simulation tools that support command and control analysis. The Software Developer designs and tailors high‑level Java, C++, and Python solutions, integrates new analytic models, and leverages data mining and machine learning to enhance simulation performance.

MACC, a division of Harris, is seeking a Software Developer to design, develop, and maintain high-quality software solutions for its billing system used by telecommunication companies across the United States. Day-to-day work includes building database solutions in MSSQL, developing RESTful APIs, writing C#/.NET Core code, and maintaining Angular front-end applications while partnering with cross-functional teams.

Mid Software Developer on the Beskar team at KBR, building secure, cloud-native solutions for the U.S. Space Force. The role designs and implements Kubernetes/Docker clusters, CI/CD pipelines, and GitOps workflows to deliver resilient satellite communication software.

Two Six Technologies is seeking a Junior Software Developer to join a dedicated engineering team building and deploying secure, cloud-based enterprise classification applications. Day-to-day, you will provide troubleshooting and operations support with a focus on security, containerization, and automation, while creating new environments, services, and offerings through coordination with outside groups on architecture and security design.

BranchLab is an AI-native healthcare commercialization platform that builds privacy‑first, data‑driven infrastructure for pharma and health marketers. The Senior Software Engineer designs and implements scalable backend systems, APIs, distributed AWS services, ETL pipelines, and deploys ML models in engineering pipelines.

KBR's National Security Solutions team delivers high-end engineering and advanced technology solutions to intelligence and national security customers. As a Jr Software Developer, you will develop and implement secure, end-to-end cluster and application lifecycles in cloud environments, collaborate on containerization solutions using Kubernetes or Docker, build and maintain CI/CD pipelines, and apply GitOps principles for software delivery automation.

KBR’s National Security Solutions team seeks a Jr Software Developer to build secure, cloud-native applications for the U.S. Space Force in Colorado Springs. You will design containerized solutions using Kubernetes and Docker while implementing CI/CD pipelines and GitOps principles.

SitusAMC is where the best and most passionate people come to transform our client’s businesses and their own careers. Whether you’re a real estate veteran, a passionate technologist, or looking to get your start, join us as we work together to realize opportunities for everyone, we proudly serve.

Software Engineering team at Axos Bank builds the next generation online banking platform, delivering a seamless 360‑degree view of customers' financials. As a Software Developer Technical Lead you will design and prototype full‑stack .NET solutions, guide near‑shore and local developers, and drive migration to microservices on AWS. Centennial, CO office, onsite (no remote or hybrid).

As a Staff Software Development Engineer at Signify Health, you will design, build, and maintain business-critical, enterprise-grade systems for a unified technology platform for value-based care. You will lead technical initiatives solving complex, enterprise-wide problems, deliver incremental value through iterative, customer-focused releases, and collaborate with others to develop solutions that meet cross-organization needs.

CACI is seeking a Mid-level Full Stack Software Developer to join the Makalu contract team, building and maintaining cloud-native applications that provide Situational Awareness and Collaboration capabilities. Day-to-day work includes designing and developing Java/JavaScript microservices, collaborating in an Agile environment, and contributing across the full software development lifecycle with a focus on testing and code reviews.

National Technology Practice at AtkinsRéalis builds advanced AI-enabled software and data solutions for internal and external clients. The Senior Software Developer designs, develops, and delivers AI models, data pipelines, and cloud applications, collaborating with technology leaders and client stakeholders.

Blue Origin seeks a Software Development Engineer I to support its mission of developing reusable space vehicles for millions living in space. This role provides centralized corporate support across business units, requiring independent work on rapid development programs.

Peraton’s EMMETT team in Herndon, VA (or Aurora, CO) builds a next‑gen Space Domain Awareness system that ingests satellite telemetry, ground‑station data, and sensor feeds into scalable pipelines. The role designs and implements Java‑based data ingestion with Apache NiFi, manages MongoDB stores, and exposes secure REST/GraphQL APIs for mission operators and analysts.

KBR's National Security Solutions team in Colorado Springs, CO seeks a Jr Software Developer Astro Engineer to support U.S. Space Force mission-critical operations. You will design and implement secure, containerized cloud-native applications, build CI/CD pipelines, and apply DevSecOps practices for real-time satellite communication and space domain awareness systems.

CACI's Radar and Sensor Technologies group is seeking engineers to support the development of algorithms and software for synthetic aperture radar, low observables, electro-optical, and other remote sensing capabilities. You will convert algorithm prototypes into robust software applications, collaborate with radar and research scientists to improve product image quality, and participate in the full development lifecycle.

Northrop Grumman Space Systems—Missile Defense Integration seeks a Principal Software Development Analyst (GAITS) for the C2BMC Planner Product Team in Colorado Springs, CO. The role blends servant leadership as a Scrum Master—facilitating Agile ceremonies, PI planning, and cross-team dependency management (~30% of time)—with hands-on Java development, CI/CD pipeline work, and automation within the Planner subsystem (~70% of time). This on-site position supports missile defense operations for th