Software Developer Jobs in Colorado, United States

X Lab at Northrop Grumman Space Systems—Missile Defense Integration develops critical command and control software for the C2BMC program. The Principal Software Engineer designs, builds, and secures Java applications using Spring, HTML, XML, and JavaScript, and supports deployment across Windows and Unix/Linux environments.

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.

The Device Analytics Services Team at Amazon Devices builds observability solutions for Amazon devices and applications such as Alexa devices, Fire TV, Fire Tablets, Kindle, and Ring. As a Software Development Engineer, you will own and deliver features across the full software lifecycle for both device software and cloud services, working backwards from customers to design reliable, maintainable solutions.

Device Analytics Services Team builds observability solutions for Amazon devices and applications, delivering cross‑platform device software and high‑performing cloud services. The SDE designs, develops, tests, and operates device software and cloud services, collaborates with stakeholders, and drives operational excellence.

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.

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.

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.

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.

Software Development Engineer at Blue Origin focuses on building reusable, safe, low-cost space vehicles. Works with subsystem stakeholders to produce and manage software architecture for the Blue Transporter spacecraft, ensuring mission success of lunar vehicles.

The Junior Software Developer at Contexture joins the Application Development & Support team to develop and modify Health Information Exchange (HIE) interfaces and HIE tools. Day-to-day work includes writing and maintaining software in C#, SQL, MongoDB, APIs, and Web UIs, collaborating across Operations, QA, Implementation, and Project Management within the SSDLC, and occasionally supporting after-hours deployments or incident response.

KBR’s National Security Solutions team seeks a Jr Software Developer to support the U.S. Space Force by building secure, cloud-native applications and containerization solutions. The role involves developing CI/CD pipelines, applying GitOps principles, and collaborating with teams to enhance operational efficiency in Colorado Springs.

Core Services platform team at Axos Bank builds the backbone of the enterprise banking suite. The Software Development Manager leads senior engineers and offshore developers, owns end‑to‑end delivery of .NET‑based backend services, drives architecture, production stability and incident response, and partners with product owners and infra teams.

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.

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.

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.

Overview Nakupuna Consulting is seeking a Software Developer IV to join the software development team supporting the execution of a large size, multi-year contract to the Integrated Personnel and Pay System – Army (IPPS-A) Army Military Payroll (AMP). The Software Developer (Developer) IV will be an agile development team member, responsible for designing technical solutions and extending PeopleSoft application functionality to meet development team objectives.

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.

The Software Development Engineer joins a CVS Health team performing state-of-the-art AI work for Specialty pharmacy in the Benefit Verification domain. Working under Staff and Senior Engineers, this individual contributor designs, builds, and delivers solutions that advance the Specialty pharmacist roadmap, from prototype to production.

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.

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.