Top Software Engineer Jobs

Develop and maintain Python- and Rust-based data-processing infrastructure, event-driven systems, CI/CD pipelines, and DevOps workflows. Support infrastructure tools, troubleshoot issues, document configurations, and collaborate with IT, data scientists, analysts, and senior engineers. The role also contributes to infrastructure improvements, testing, containerization, databases, and software operation in Windows, Linux, and air-gapped environments.

Designs, develops, integrates, tests, and maintains complex software systems for Cyber and Intelligence missions. Analyzes requirements, creates algorithms, develops database interfaces, troubleshoots performance issues, supports installations, and ensures software quality and documentation. Serves as a technical team lead and contributes to software process improvements. The role requires extensive software engineering experience, an active U.S. security clearance with polygraph, and offers work supporting national security programs.

Develops and integrates C++ and Python software for government reference architecture-compliant mission autonomy systems. Designs mission-system components for unmanned systems, ground control stations, and modeling and simulation environments. Integrates open-architecture services on advanced hardware, verifies end-to-end functionality, resolves complex technical problems, and ensures software standards are met. The role involves collaboration, documentation, testing, debugging, and work in a fast-paced defense environment requiring Secret clearance eligibility.

Software Engineer Intern assigned to a scrum team supporting software design, development, documentation, testing, debugging, and integration for mission applications. Responsibilities include agile development, troubleshooting across Linux and Windows environments, resolving program errors, applying development standards, and supporting COTS/FOSS integration. Candidates need Java experience, strong problem-solving and communication skills, and the ability to obtain a TS/SCI clearance.

Plans, develops, documents, tests, debugs, and integrates software for business or mission applications. Applies software development life-cycle standards, resolves program errors, prepares operating instructions, and ensures software requirements and quality standards are met. Collaborates with multidisciplinary teams and may work with C/C++, real-time operating systems, Agile development, MBSE, and AI prompting.

Software Engineering Intern supporting hypersonic missile flight software development. Responsibilities include requirements analysis, object-oriented design, code reviews, unit testing, integration support, formal testing, and delivery activities. The intern will work with embedded flight software, navigation and guidance algorithms, and hardware-in-the-loop testbeds. Candidates must be enrolled in a relevant bachelor’s program, have experience with C, C++, or Python, understand software development fundamentals, and be eligible for a government security clearance.

Designs, develops, maintains, tests, documents, and debugs Mission Management software. Modernizes a legacy product within an agile team, coordinates across teams to ensure interface compatibility, collaborates with product and scrum leadership, and resolves technical challenges while meeting software standards.

Develops and integrates software for a space-based software-defined networking experiment. Responsibilities include software design, C++/Linux/Python development, embedded hardware integration, router configuration, network scenario testing, Agile collaboration, and critical test preparation. The role supports architecture through development and test, using protocols such as IP, MPLS, and IPSec. Occasional domestic travel to support testing in Rockville, Maryland, is required.

Develop, integrate, test, document, and debug mission-processing applications for operational software baselines. Collaborate with product teams using real-time development environments, embedded software and hardware, C/C++, and Agile methods. Analyze and resolve software issues, apply development standards, prepare documentation, and support national-security missions. A bachelor's degree, U.S. citizenship, and ability to obtain and maintain a TS/SCI clearance are required.

Develop and evaluate Python-based algorithms for multi-target tracking, localization, state estimation, sensor fusion, and signal processing. Build simulations, data pipelines, analysis tools, and performance workflows for complex sensing systems. Integrate algorithms into scalable architectures using CI/CD and DevSecOps, optimize large-scale sensor and machine-learning data workflows, and collaborate with researchers and domain experts on technical solutions, briefings, and demonstrations for commercial and military platforms.

Develops, tests, debugs, and maintains software for spaceborne and ground-based systems, including satellite payloads, ground segments, on-orbit servicing, and space domain awareness tools. Collaborates with systems engineering and mission operations teams on requirements and architecture, supports software verification and lifecycle activities, resolves software anomalies, and improves development processes, tooling, and coding standards.

Develop, test, document, debug, and maintain software for Electrical Ground Support Equipment on the Fleet Ballistic Missile Program. Support modernization, automation, security, scalability, software requirements, design, troubleshooting, and configuration management. Collaborate with software, systems, electrical, and test engineers using Agile and DevOps practices. This is a full-time, on-site role in Cape Canaveral, Florida, requiring a DoD Secret Clearance and U.S. citizenship.

Software Engineer Intern supporting the GPS Control Segment II Sustainment team in Colorado Springs. The role involves completing technical and engineering assignments while enrolled in a computer science or related degree program. Candidates should have coursework in C++ and Java. Familiarity with Agile practices, GitLab, Jira, Linux, or Solaris is preferred.

Designs, develops, documents, tests, debugs, and maintains software for mission applications. The role includes correcting program errors, preparing operating instructions, documenting development, analyzing system capabilities, and applying software standards throughout the development lifecycle. Candidates will work with Agile practices and object-oriented programming and must hold or obtain a Final Secret Clearance before starting.

Supports the full software engineering lifecycle, including requirements analysis, object-oriented design, coding, unit testing, integration, formal testing, delivery, and maintenance. The role requires programming experience in C, C++, or Python and may involve embedded software and hardware. Candidates collaborate in Agile, team-based environments and must be U.S. citizens eligible for a government security clearance and special facility access.

Develops and supports software within the Ground Missile Defense Software Factory. Responsibilities include writing or reviewing code, applying Agile and DevSecOps practices, working with cloud platforms and PaaS infrastructure, and using containerization, orchestration, CI/CD, configuration management, and collaboration tools. The role requires an active final Secret clearance, DOD 8570 IAT Level II certification, current GWS-GNI software experience, and full-time support of an in-person closed-area environment.

Develop, test, document, debug, and maintain ground software for the Next Generation Geospatial OPIR mission. The role combines 70–80% software engineering with 20–30% Scrum Master responsibilities, including Agile collaboration, microservice development, REST and message broker integration, defect resolution, and secure, reliable software delivery. The engineer will work across teams, support high-priority fixes and occasional non-standard hours, and use AI to improve development velocity.

Develop, test, document, debug, and maintain software for Electrical Ground Support Equipment supporting the Fleet Ballistic Missile Program. Collaborate with software, systems, electrical, and test engineers using Agile practices. Contribute to modernization, automation, security, scalability, software requirements, design, lifecycle management, troubleshooting, and issue resolution. The role is fully onsite in Cape Canaveral, Florida, requires 5+ years of experience, and requires obtaining and maintaining a DoD Top Secret clearance.

Plans, coordinates, and executes software development activities across the full development lifecycle. Designs, develops, tests, debugs, documents, and maintains software solutions for business or mission needs. Applies programming, hardware, software, data processing, and information-processing knowledge to resolve requirements and system capability questions. Corrects errors, prepares operating instructions, documents development, and ensures software standards, processes, and procedures are followed.

Serves as both Scrum Master and software developer, leading cross-functional Agile teams while designing, developing, testing, debugging, and documenting software. Applies software development standards and lifecycle processes to mission and business applications. Collaborates across organizational and geographic boundaries, supports systems integration and testing, and works with technical teams and government stakeholders. The role requires knowledge of ground systems, networks, cloud platforms, microservices, APIs, DevOps, containerization, and modern data architecture.

Develops, tests, documents, maintains, and enhances full-stack software and cyber solutions supporting analytic missions. Responsibilities include Java and Linux-based development, data analytics, secure system automation, vulnerability research, and collaboration on agile projects. The role requires production experience with JavaScript, React, MongoDB, and full-stack technologies, while supporting rigorous testing and deployment processes in a high-visibility defense and intelligence environment.

Designs, develops, integrates, tests, and maintains embedded real-time software for Air Mobility C-130J and C-5 products. Works across the full software lifecycle in a configuration-managed environment, follows rigorous development processes, and collaborates with Agile teams. The role requires expertise in C/C++, Linux, embedded systems, requirements analysis, design, coding, integration, and testing, plus an Interim Secret clearance and U.S. citizenship.

Lead the technical direction and delivery of Bitcoin and stablecoin experiences for iOS across Cash App, Square, and Bitkey. Build and ship complex features end to end, establish architecture and shared systems, integrate backend services, improve testing and release safety, and mentor engineers. Collaborate across product, design, Android, web, and backend teams while applying AI-assisted development practices and contributing to secure, reliable customer experiences.

Develop and test embedded C/C++ mission-system software for small UAS and launch systems. Build device drivers, hardware interfaces, simulation and software-in-the-loop infrastructure, and support laboratory checkout, defect troubleshooting, requirements traceability, verification, and safety-critical development processes for autonomous flight systems.

Design, develop, test, debug, document, and integrate C++/C software for mission-critical aerospace simulation and training systems. Translate requirements into software designs, participate across the full software development lifecycle, create test plans, support verification, troubleshoot complex architectures, and collaborate with multidisciplinary engineering teams. The role requires a bachelor's degree, object-oriented programming experience, Git proficiency, U.S. citizenship, and the ability to obtain a Secret clearance.