Top Software Engineer Jobs

Design, develop, test, integrate, and optimize cloud software capabilities supporting cyber intelligence missions. Build secure, scalable AWS services using Infrastructure as Code, Kubernetes, microservices, and CI/CD pipelines. Perform full lifecycle Agile software engineering, system sustainment, troubleshooting, and performance tuning. Provide technical direction and mentorship while contributing to cloud-native architecture and AI/ML integrations involving LLMs and RAG frameworks.

Develop, test, debug, document, and maintain Java/J2EE software applications and systems. Analyze user needs and software requirements, design solutions within time and cost constraints, collaborate with systems and hardware engineers, ensure software standards, support installations, and monitor system performance. The position is onsite in Herndon, Virginia and supports national security missions.

Design, develop, test, operate, and secure software systems using Java and advanced security practices. Responsibilities include code reviews, vulnerability mitigation, debugging, architecture-wide development, RESTful services, technical documentation, and collaboration on reliable, scalable solutions. The role requires an active TS/SCI clearance with current polygraph and supports national security programs.

Develop, maintain, enhance, install, evaluate, and troubleshoot cloud software supporting cyber mission customers. Apply Agile and DevOps practices to deliver reliable software. Required experience includes Java, Spring, JUnit, Git, and GitLab, while preferred skills include full-stack development, JavaScript frameworks, databases, containerization, cloud services, CI/CD, and related certifications. The role requires an active TS/SCI clearance with a current polygraph.

Develop and sustain cloud software supporting cyber intelligence and AI/ML capabilities on large-scale compute clusters and AWS infrastructure. Responsibilities include requirements analysis, software development, integration, testing, validation, deployment, maintenance, monitoring, and issue resolution. The role uses distributed NoSQL technologies, big-data frameworks, cloud services, AI/ML algorithms, LLMs, RAG, and agentic workflows to support national security missions.

Summer software engineering interns will support Peraton’s Internal Research & Development program in Herndon or Blacksburg. Interns will work with full-time staff in Agile teams on requirements, software architecture, design, development, and unit/component testing across advanced research projects involving communications, space, cybersecurity, defense, public safety, and health. The ten-week program requires 35–40 hours weekly and is intended primarily for students entering their junior or senior year.

Develop and maintain cloud software supporting AI/ML and national security missions. Responsibilities include requirements analysis, software development, AWS cloud integration, distributed systems engineering, microservices, testing, troubleshooting, and sustainment. The role uses Java, Linux, Kubernetes, infrastructure-as-code, CI/CD, big-data technologies, RESTful services, and AI/ML frameworks including LLMs and RAG. An active TS/SCI clearance with polygraph is required.

Develop and enhance secure, scalable cloud applications supporting national security missions. Work in an Agile and DevOps environment using Java, cloud technologies, Git, and modern software development tools. The role is onsite in Annapolis Junction with possible telework based on tasking and customer approval.

Develop full-stack software for secure, scalable satellite ground communications platforms. Responsibilities include building Python backend services and APIs, designing TypeScript front-end applications, implementing authentication, authorization, microservices, databases, testing, and cloud deployments. The role involves collaborating with MBSE and test teams, translating requirements into technical designs, troubleshooting production issues, supporting integrations, and presenting engineering recommendations. Work requires maintaining secure, reliable systems for U.S. Government missions.

Develop cloud software and AI/ML capabilities on AWS and large-scale compute clusters. Responsibilities include requirements analysis, Java software development, RESTful services, distributed systems, cloud integration, infrastructure as code, containerization, testing, sustainment, and issue resolution. The role requires experience with Hadoop and big-data technologies, Linux, software integration, technical documentation, and secure solutions supporting national security missions.

Develop and enhance secure, scalable cloud-based applications supporting national security missions. Work in an Agile environment with DevOps tools and modern cloud technologies. Required experience includes Java development and Git or GitLab. The role is onsite in Annapolis Junction with telework flexibility based on tasking and customer approval, and requires an active TS/SCI clearance with current polygraph.

Develops and enhances advanced software systems while leading release management, CI/CD automation, configuration management, version control, and build processes. Designs repeatable software builds, manages hardware/software integration environments, maintains configuration documentation and artifact repositories, and collaborates with technical stakeholders. Requires extensive software engineering experience, expertise in Java, C, C++, UNIX/Linux environments, and an active TS/SCI clearance with polygraph.

Develop and enhance secure, scalable cloud applications supporting national security operations. Work in an Agile environment using DevOps practices and modern cloud technologies. The role requires Java development, Git or GitLab experience, and an active TS/SCI clearance with current polygraph. Preferred experience includes full-stack development, REST APIs, containers, Kubernetes, AWS, CI/CD tools, and cloud certifications. The position is onsite in Annapolis Junction with potential telework flexibility.

Design, develop, integrate, test, troubleshoot, and sustain cloud-based software solutions supporting mission-critical national security services. Build and maintain microservices and containerized applications, contribute to architecture and design reviews, optimize performance and reliability, resolve system issues, and collaborate on technical approaches, timelines, and project scope.

Develop and integrate cloud software supporting cyber intelligence and AI/ML capabilities on AWS and large-scale compute clusters. Responsibilities include requirements analysis, Java development, RESTful services, distributed systems, cloud deployment, DevOps, container orchestration, testing, integration, Linux scripting, and troubleshooting. The role also involves big-data technologies, Hadoop ecosystems, LLMs, RAG, analytics, and secure software engineering for national security missions.

Develop and sustain cloud software supporting cyber intelligence and AI/ML capabilities on large-scale compute clusters and AWS infrastructure. Responsibilities include requirements analysis, software development, integration, testing, validation, deployment, enhancement, monitoring, and issue resolution. The role uses distributed NoSQL and big-data technologies, cloud architecture, AI/ML tools, microservices, containers, and infrastructure-as-code. Candidates must have at least two years of relevant software engineering experience and an active TS/SCI clearance with polygraph.

Develop and sustain cloud software supporting cyber intelligence and AI/ML capabilities on large-scale compute clusters and AWS infrastructure. Responsibilities include requirements analysis, software development, integration, testing, validation, deployment, enhancement, maintenance, and issue resolution. The role involves distributed NoSQL systems, big-data technologies, cloud scalability, AI/ML algorithms, LLMs, RAG, agentic workflows, and software testing within a mission-driven national security environment.

Designs, develops, modernizes, integrates, tests, and deploys front-end and full-stack software for RF SIGINT collection, processing, visualization, and mission systems. Builds real-time dashboards and interfaces, integrates back-end services and signal-processing pipelines, optimizes distributed systems, supports multiple operating environments, and maintains technical documentation. Provides technical leadership, mentors development teams, supports deployed-system validation, and ensures secure, high-reliability software meets mission performance and accreditation requirements.

Develop and maintain highly usable user interfaces for data tracking and metrics solutions. Collaborate with customers, analysts, systems engineers, developers, and product designers to define requirements, conduct research, create design specifications, and perform usability testing. Support full software lifecycle activities, including analysis, design, implementation, integration, testing, deployment, Agile ceremonies, and Jira management. Apply UI, UX, accessibility, and software engineering best practices within a national security program.

Develop, maintain, test, and enhance complex software systems for an Intelligence Community mission. Responsibilities include resolving software issues, applying software design methodologies, documenting test results, analyzing requirements, and contributing to system design decisions involving hardware/software trade-offs and COTS/GOTS solutions.

Design, develop, test, maintain, and troubleshoot software applications and system integrations. Analyze requirements, optimize database interactions and algorithms, support testing, and maintain technical documentation. Collaborate with systems and hardware engineers, coordinate Agile/Scrum development activities, uphold coding standards, and improve development processes. The role requires an active TS/SCI clearance with a current polygraph and extensive software engineering experience.

Develop and maintain a full-stack cloud-based ELINT data product for the Intelligence community. Responsibilities include designing, developing, testing, documenting, deploying, and supporting new features and updates; collaborating with developers and DevOps teams; participating in architecture and design reviews; and ensuring data accuracy, interoperability, and fidelity for tactical users.

Develop, test, debug, document, integrate, and sustain mission-critical software systems for a Department of Energy program. The role focuses on DDS-based real-time distributed systems, including RTI Connext DDS, architecture analysis, legacy-system modernization, migration to new platforms, and translating existing functionality into target architectures. The engineer will collaborate with systems and hardware teams, ensure software standards, support Windows and Linux applications, and contribute to testing, installation, CI/CD, and agile development.

Develop and maintain large-scale cloud software and distributed systems across the full SDLC. Responsibilities include requirements analysis, system design, full-stack development, issue resolution, NoSQL and parallel-computing implementation, testing, CI/CD, production deployment, documentation, and integration of FOSS/COTS products. Collaborate with data scientists, engineers, and product managers while supporting mission-critical applications.

Develop and maintain scalable React front-end applications using Redux and TypeScript. Responsibilities include translating UI/UX designs into accessible responsive interfaces, integrating RESTful APIs, testing, debugging, performance optimization, CI/CD support, version control, and production support. The role collaborates with designers and backend developers across the software development lifecycle and supports mission-critical Department of State modernization applications.