Top Software Engineer Jobs in Denver & Boulder, CO

Senior technical leader for fraud platforms responsible for architecture, resiliency, and scalable designs. Hands-on coding, solution decomposition, CI/CD, observability, test automation, incident RCA, and guiding multiple Agile teams for platform modernization and operational excellence.

Boeing seeks motivated C2BMC Systems Software Engineers to design, develop, maintain, and test Java applications for missile defense systems, support agile lifecycle processes, and mentor junior engineers.

The Software Engineer will develop Java-based applications, support the software development lifecycle, and mentor junior engineers in a missile defense project.

Lead a team to develop user interfaces for mission-critical solutions. Responsibilities include code contributions, guidance, task assignments, and maintaining CI/CD pipelines.

Support development and sustainment of mission-focused applications, backend services, APIs, and data pipelines. Collaborate with data scientists and stakeholders to build, troubleshoot, and improve performance, contribute to code reviews and documentation, and deliver reliable capabilities in an agile, remote-first environment.

Develop and implement full stack features for a healthcare platform, focusing on both frontend (React) and backend (Node.js) development. Responsible for performance optimization, API creation, testing, and collaboration with data engineering teams.

Develop, test, and operate software supporting radiometric calibration and performance of a satellite constellation. Maintain CI/CD pipelines, cloud-based distributed services, and production operations. Collaborate with scientists and SMEs to commission sensors, design new services, ensure reliability, troubleshoot issues, and drive software best practices across RadCAM and broader engineering teams.

Lead the technical vision and architecture of simulation software for spacecraft, focusing on multi-physics modeling and real-time execution, while driving engineering standards and mentoring teams.

As a Flight Software Engineer, you will assist in software development for flight computers, GNC algorithm integration, and spacecraft mission support, collaborating with teams on design and testing.

As a Flight Software Engineer III, you will lead software development for spacecraft systems, integrate GNC algorithms, and mentor junior engineers, contributing to innovative space technology solutions.

Build and maintain the full-stack platform connecting Blissway hardware to drivers, partners, and agencies. Own public user surfaces, partner integrations (DMVs, mailhouses, fleet vendors, ACH), platform/deployment tooling, service infrastructure, and internal access management. Ensure secure, robust, production-ready systems and tooling that support a fast-moving, small engineering team.

Lead design, develop, test, and maintain full-stack Java enterprise applications and native mobile apps (iOS/Android). Build Spring Boot microservices, responsive frontends (Angular/React/Vue), integrate APIs, ensure security and performance, participate in CI/CD and DevOps, mentor engineers, and support app releases and production troubleshooting.

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.

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.

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.

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

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.

The Software Engineer will develop tools for data migration from relational databases to MongoDB, collaborating with teams to implement high-quality backend code.

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 a team of software engineers supporting critical retail-banking applications. Design and develop software solutions, provide technical guidance, review code and documentation, troubleshoot complex incidents, and apply SRE practices. Maintain on-call rotation for after-hours critical incidents. Use OpenShift, Hogan, Dynatrace, and Linux; collaborate on releases and modernize application delivery.

Modernize and maintain Boeing's MILSATCOM ground system across the full software lifecycle. Design, develop, and test responsive applications using Java, Python, C++, and web technologies. Perform code reviews, risk analysis, integration troubleshooting, and support system accreditation/security requirements. Mentor junior engineers, collaborate with end users, and work in Agile environments using Atlassian tools.

Design, develop, test, and support Java-based software and algorithms for the C2BMC/BMDS. Produce software design artifacts, decompose system requirements, participate in Agile/Scrum, perform integration and test, and collaborate across multi-company teams.

Lead design and delivery of scalable customer-facing features, services, and APIs that process real-time data and AI-powered insights. Build web experiences, contribute to LLM/AI workflows, ensure reliability through observability and rollout practices, and collaborate cross-functionally with Product, Design, ML, and platform teams.

Lead development and maintenance of high-performance React Native apps across iOS and Android. Improve architecture, manage RN upgrades, debug native modules, own automated testing and CI/CD, optimize performance and stability, and mentor engineers within cross-functional product pods.