Top Software Engineer Jobs

Develop and maintain Java-based web applications that automate data management and approvals for intelligence community data custodians. Design complex algorithms, ensure quality and performance, improve documentation and development processes, gather software requirements, and support installation and operational monitoring. The role uses Agile methods and technologies including Quarkus, PrimeFaces, SQL, PostgreSQL, and Elasticsearch.

Develop and sustain cloud software and AI/ML capabilities for national security applications. Responsibilities include requirements analysis, Java-based distributed software development, AWS cloud integration, RESTful services, testing, deployment, troubleshooting, and technical documentation. The role works with Hadoop and big-data technologies, Linux, Kubernetes, infrastructure as code, CI/CD, LLMs, RAG, and agentic AI. An active TS/SCI clearance with polygraph and at least five years of software engineering experience are required.

Design, develop, integrate, test, and optimize high-fidelity missile and radar simulation models for the Joint Simulation Environment. Analyze simulation outputs, validate models against empirical data, incorporate intelligence and technical data, and support test planning and execution. The role involves maintaining reliable, predictive models for national security missions while collaborating with defense experts and cross-functional engineering teams.

Designs, develops, tests, integrates, and maintains software applications and system components. Responsibilities include analyzing requirements, debugging defects, optimizing database interactions, implementing scalable algorithms, supporting CI/CD and infrastructure automation, maintaining technical documentation, ensuring quality standards, and collaborating with systems and hardware engineering teams. The role also contributes to Agile development coordination and process improvement while supporting national security programs.

Develop and sustain cloud software for large-scale compute clusters. Responsibilities include requirements analysis, software design, Java development for distributed systems, integration, testing, performance optimization, monitoring, troubleshooting, documentation, code reviews, and operational support. The role provides technical guidance to junior staff, integrates COTS/GOTS products, uses containers and orchestration tools, and participates in rotating Tier III on-call and emergency support.

Build and deliver full-stack software in Agile DevSecOps sprints, developing, testing, documenting, and integrating front-end and back-end features. The role supports CI/CD, containerization, automated testing, cloud and database technologies, secure API design, legacy modernization, and migration to microservices. Responsibilities include collaboration with product, UX, QA, and engineering teams, bug fixes, enhancements, integration support, and participation in Scrum ceremonies.

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.

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 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.

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 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 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 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.

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.

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.

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, 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.

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, 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.

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.

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 and maintain COBOL-based Medicare claims processing software in a legacy mainframe environment. Responsibilities include designing, coding, debugging, unit testing, implementing enhancements, troubleshooting defects, supporting Agile/Scrum delivery, preparing estimates, maintaining documentation, and collaborating with team members, clients, and vendors. The role supports Durable Medical Equipment claims processing and requires adherence to structured development standards.

Develop, deploy, secure, monitor, maintain, and troubleshoot a cloud-based microservices platform supporting national security missions. Collaborate on software design, development, testing, architecture reviews, technical planning, production support, and system sustainment. The role requires expertise in cloud technologies, Kubernetes, Linux, Python, infrastructure automation, databases, AWS resource management, and software development lifecycle practices.