1,651 software developer jobs at 350 companies in Hanover, PA
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Markon Solutions: Provides professional program and engineering services to federal agencies.
7+ YOEActive TS/SCI with Polygraph; Bachelor's in a technical field and 7+ years of software development/engineering, or HS diploma with 11+ years; Python and/or C/C++ experience; software lifecycle understanding.
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEBSc and 10+ years software development experience, U.S. citizenship with active Secret clearance, proficiency with Java/Python/C#/JavaScript, Linux/Windows experience, testing and documentation skills, DoD experience preferred.
EverWatch: Develops software and intelligence systems for government agencies.
5+ YOE5+ years in software engineering; Java, Spring Boot, Kafka; WebSockets; microservices; SQL/NoSQL databases; OCI containers; Docker/Kubernetes; TS/SCI clearance with polygraph; Bachelor's in Software Development/Engineering
Gormat: Provides cybersecurity and systems engineering services to government defense agencies
3+ YOEBachelor's degree and 3+ years experience (Master's may substitute), active TS/SCI with poly required, experience with C/C++, Python, assembly, and Linux/Windows/Mobile platforms; software development, testing, reverse engineering, and vulnerability research.
Visionist: Provides software engineering and data analytics for national security.
12+ YOEActive TS/SCI with polygraph, U.S. citizenship, Bachelor's in a technical discipline (or equivalent), 12 years software development, advanced Python, Elasticsearch/Kibana/Grafana, RDS experience, strong communication.
BCT: Delivering mission technology and engineering services for national security.
Active TS/SCI with polygraph required; SIGINT or policy experience preferred; software engineering experience across design, development, debugging, and testing; must meet one of stated education/experience combinations.
BEAT: Provides IT and technical services for government and healthcare sectors.
Experience developing Java-based software, enterprise APIs, RESTful services, microservices and OOP; Linux and config management (Git,Nexus,Maven); US citizenship eligible for clearance; experience with AI coding agents preferred.
ExistX: Transitions national security research into operational software and systems.
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
6+ YOEActive security clearance with polygraph; bachelor’s degree + 6 years (or 10 years experience) in software development; experience with Java, Angular, Linux, Docker; container and deployment experience; ability to work core hours 10AM-2PM.
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBachelor's in CS/CE/EE/Physics/Math, 5+ years software development, strong modern C++ (C++11+), Python 3, Linux development, multi-threaded/concurrent software, Git, and ability to obtain Interim Secret and ultimately Top Secret clearance (U.S. citizenship).
RealmOne: Provides advanced technology services for national security agencies.
7+ YOEBachelor's in computer science (or equivalent experience), 7+ years SWE experience (levels up to 20 years available), ability to design, develop, debug, and test complex software and algorithms; active security clearance with appropriate polygraph required.
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
7+ YOEBachelor's in CS or related, 7+ years software engineering experience, active Top Secret/SCI with Polygraph required, US citizenship required; skills in C++, UI development (Flutter/Qt), IEEE 802.11, Matlab, DSP, Agile, and GitLab.
Agile Methodology, Dev-C++, IEEE 802.11, Software Defined Radio (SDR), User Interfaces (UI), C++, Flutter, QT, Matlab, DSP, GitLab
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yrHybridFull Time
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
EverWatchNYSE: BAH: Provides advanced software and intelligence solutions for government agencies.
14+ YOESenior full-stack developer with experience in Java, Spring Boot, Linux, APIs, SQL, Git, and container tooling; TS/SCI with polygraph required; HS/GED plus 18+ years or Bachelor's plus 14+ years of software engineering experience.
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
14+ YOEBachelor's in CS/CE/EE/Math/Physics, 14+ years software engineering, TS/SCI with Polygraph, experience with C/C++/C#/Java/Python, CI/CD and build/deploy tools, Windows/UNIX development, strong communication and design skills.
AGE Solutions: Technology consulting and IT services for government agencies.
5+ YOEBachelor's degree, 5+ years software development, 2+ years full‑stack (React/Vue/Angular and Node.js/Python/Java), DoD 8140 qualification (DoD 8570 IAT II), and active DoD Secret clearance.
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years back-end focused software development with Java and/or NodeJS, RESTful API design, Angular front-end experience, AWS cloud, Git/GitHub, unit/integration testing, and U.S. citizenship eligible for Public Trust.
Java, NodeJS, Angular, C#, .Net, AWS, Azure, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JIRA, JUnit, Jest, Docker, ECS, EKS, Electronic Data Interchange X.12 (EDI), XML, JSON, Microsoft Teams
Nightwing: Provides advanced cyber and intelligence solutions for national security.
9+ YOE9+ years software development experience (strong in Python or Java), reverse engineering or LLM application development skills, familiarity with EM tooling and testing frameworks, BS in Computer Science or related field.
Python, Java, IDA, Ghidra, x86 Assembly, ARM Assembly, PPC Assembly, Langchain, LangGraph, LangSmith, JUnit, Pytest, gRPC, poetry, gradle, uv