45 senior software developer java jobs at 26 companies in York, PA
1mo
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AI Software Engineer – Java
Aberdeen, Maryland, United States
$130k-$160k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
5+ YOE5+ years Java development experience, experience with Spring/Spring Boot or Jakarta EE, REST/microservices, databases, CI/CD and container technologies, familiarity with AI/ML integration, DoD Secret clearance required; Bachelor’s degree or equivalent.
Java, Spring Boot, Spring Framework, Jakarta EE, REST, SOAP, JMS, gRPC, PostgreSQL, Oracle, MySQL, MongoDB, Git, Jenkins, Maven, Gradle, Linux, Docker, Kubernetes, TensorFlow, PyTorch, OpenAI APIs, LangChain, Hugging Face, Microsoft Outlook, Microsoft Word, Microsoft PowerPoint, Microsoft Excel, Microsoft Teams
6d
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Software Developer, Senior
Chambersburg, Pennsylvania, United States
$145k/yr HybridFull Time
10+ YOE10+ years software development; 3–5+ years full-stack web experience; Bachelor’s degree; DoD 8140 qualification; current DoD Secret clearance; EMR not mentioned.
React, Vue, Angular, Node.js, Python, Java, AWS, Azure, CI/CD, RESTful APIs
3w
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Senior Software Engineer
Aberdeen, Maryland, United States
$90k-$198k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience in Defense, BA/BS or equivalent experience, proficiency with C++, Java, Python, C#, secure coding and Defense standards, DoD cybersecurity certification preferred.
C++, Java, Python, C#, Git, SVN, CI/CD, automated testing tools
1mo
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Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
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.
Java, Python, C#, JavaScript, Linux, Windows
1w
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Senior Software Developer (NLP)
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
5+ YOEUS citizen with Secret clearance; bachelor’s degree with 5 years relevant software development experience (or 8 years experience); experience integrating NLP into production, proficiency in modern programming languages and mission-critical systems.
Python, C++, Java, C#, Go, Docker, Kubernetes, transformer-based frameworks, vector databases, LLM APIs
2mo
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Software Engineer (Mid-Senior level)
Baltimore, Maryland, United States
OnsiteFull Time
5+ YOE5+ years in software engineering; Java; SQL; REST; AWS/GCP/Azure; Docker; IaC (Terraform/Ansible); React; strong problem-solving and teamwork.
Java, SQL, REST, AWS, Docker, Terraform, Ansible, React
1w
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Software Engineer
Hunt Valley, Maryland, United States
$86k-$115k/yr HybridFull Time
5+ YOEBachelor's degree in computer science or related field, 5+ years software engineering experience, API and full-stack development experience, familiarity with Agile, testing, and cloud paradigms.
.NET (C#), SQL, HTML, CSS, JavaScript, NodeJS, Angular, React, Vue, Azure DevOps, Git, MS SQL Server, Typescript, REST API, HTTP, Java
1w
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Senior Software Engineer – Forward Deployed (Fort Meade)
Fort Meade or Mechanicsburg
$159k-$184k/yr OnsiteFull Time
5+ YOEActive Secret clearance, Bachelor’s in CS or related (or equivalent), 5+ years software/DevOps experience, proficiency with Python/Node.js/Java/ C++ and Linux, Kubernetes, Git, Docker, GitLab CI/CD, strong troubleshooting and communication skills.
Python, Node.js, JavaScript, Java, C++, Linux, Git, Docker, Kubernetes, GitLab CI/CD, Ansible, PowerShell, Bash, PostgreSQL, REST APIs, GitHub Copilot, ChatGPT, Claude Code, Codex
6d
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Principal Software Engineer
Lititz or United States
OnsiteFull Time
12+ YOE12+ years software engineering experience; expert in scalable distributed systems, full-stack development, front-end frameworks, cloud-native apps, and technical leadership.
Vue.js, TypeScript, JavaScript, HTML, CSS, C#, .NET, Java, AWS, Kafka, Spark, Hadoop, Presto, GitHub Copilot, Claude Code, Codex
1mo
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Radio Services Software Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$174k/yr OnsiteFull Time
10+ YOEBachelor's in CS/SE (or equivalent experience), 10+ years software engineering with 3+ years on DoD communications, proficiency in C++, Java, or Python, secure coding and networking protocols knowledge, active DoD Secret clearance.
C++, Java, Python, VENOM, Agile, DevSecOps
2w
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Staff Software Engineer (Backend) - Billing Platform *HYBRID*
Palo Alto or Falls Church or Frisco or Washington or Baltimore or Dallas or Bethesda or Fort Worth
$110k-$230k/yr HybridFull Time
8+ YOE8+ years software development experience with large-scale systems; proficiency in Java/Kotlin/Golang, SQL/NoSQL, Kafka, Spark, Airflow, cloud and DevOps practices; strong communication and system design skills.
Java, Kotlin, Golang, SQL, NoSQL, Kafka, Spark, Airflow
1w
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Software Engineer I
Reading or Tampa
OnsiteFull Time
Penske Truck Leasing: Provides commercial truck leasing, rental, and vehicle maintenance services.
5+ YOEBachelor's in CS/CE or equivalent, 5+ years programming (Java, RPG, etc.), full‑stack experience (React/Angular/HTML/CSS/JavaScript), REST/myBatis/Spring, relational DB design, Agile, and strong communication.
Java, RPG, React, Angular, jQuery, HTML, JavaScript, CSS, Spring framework, Spring-MVC, myBatis, RESTful API’s, Agile, DevOps Tools, CI/CD
2mo
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Principal Software Engineer, Field Engineering
Aberdeen Proving Ground, Maryland, United States
$160k-$220k/yr OnsiteFull Time
5+ YOE5+ years hands-on software engineering; active Secret clearance; backend Go/Java/Rust; DevSecOps; Kubernetes; Bash/Python; Army-domain knowledge; customer-facing; Security+ readiness; willing to relocate to APG.
Go, Java, Rust, Kubernetes, Helm, CI/CD, Infrastructure as Code, Bash, Python, RMF
3w
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Full Stack Software Engineer
Baltimore or Washington
HybridFull Time
5+ YOE5+ years software engineering experience; strong Java and JavaScript/TypeScript skills; experience with REST, XML/JSON, SQL databases, CI/CD, Git workflows, and secure/messaging systems; active US citizenship and Secret clearance required.
Java, JavaScript, TypeScript, MySQL, PostgreSQL, SQL Server, Oracle, Linux, Windows, Jira, Confluence, GitHub, GitLab, Bitbucket, Git, Apache Camel, Mule, JMS, AMQP, RabbitMQ, ActiveMQ, Artemis, Docker, Kubernetes, SBOM, CI/CD
2mo
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Software Engineer 1 - DSP Runtime
New York City or Baltimore
$170k-$200k/yr HybridFull Time
5+ YOE5+ years building large-scale, low-latency distributed systems; strong Java/Scala skills; experience with streaming, containerization, SQL/NoSQL, microservices, RTB/OpenRTB; Git/GitLab and Linux experience.
Java, Scala, OpenRTB, VAST, Kafka, Kinesis, Docker, Kubernetes, Redis, MongoDB, Aerospike, Cassandra, KeyDB, REST, gRPC, Git, GitLab, Linux
3w
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Full Stack Software Engineer
Ellicott City, Maryland, United States
$120k-$140k/yr OnsiteFull Time
6+ YOE6+ years full-stack development with Java 17, Spring Boot, React/Redux, REST, SQL/Postgres; Public Trust clearance preferred; BS in CS preferred; strong communication and Agile experience.
Spring Boot, Microservices, Java17, React, Redux, HTML5, CSS3, SCSS, JavaScript, Typescript, JSON, SQL, Postgres, Junit, SonarQube, webpack, npm, Storybook, GitHub, Wildfly, RDBMS, ORM, REST, AWS, Kafka, AWS Lambda, S3, Apache POI, Microsoft Word, Microsoft Excel
1mo
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Software Engineer
Aberdeen Proving Ground, Maryland, United States
$130k-$170k/yr OnsiteFull Time
5+ YOEMinimum 5 years software/systems engineering experience, proficiency in C++, Python or Java, Secret clearance, familiarity with systems engineering, IPTs, and test events; Bachelor’s in CS/Software Engineering preferred (experience may substitute).
C++, Python, Java, Kubernetes, NGTS, SIMDIS, TAK, AIDP, AFATDS, MEPED, JSDR, EWC2, EWPMT-X
2mo
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Lead Software Engineer - Facets ITS Claims (Remote)
Baltimore, Maryland, United States
$115k-$229k/yr RemoteFull Time
8+ YOELead software teams; 8+ yrs exp; Facets ITS, API/microservices; cloud; BS in IT/CS or 4 yrs additional experience.
Facets, FXI, APIs, Java, JavaScript, Python, IBM MQ, AWS, Azure, Oracle, SQL Server, MongoDB, PostgreSQL, CI/CD, Microservices
3mo
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Associate Director Staff Engineer Software
Baltimore, Maryland, United States
OnsiteFull Time
Senior backend architect with hands-on engineering, API and data integration expertise; Kubernetes, GraphQL, microservices, and CI/CD experience; comfortable in financial services environments.
Kubernetes, Docker, GraphQL, REST, Microservices, Java, Kotlin, Node.js, Go, CI/CD
1mo
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Sr. AI Full Stack Software Engineer- Investments Technology
Baltimore or Washington or Maryland or Colorado or Washington or New York or California or United States
$121k-$258k/yr HybridFull Time
5+ YOE5+ years professional development experience in an object-oriented language (Java, Python, or JavaScript); hands-on cloud-native (AWS, Azure), containerized microservices, and agent frameworks; commitment to testing, code reviews, and continuous delivery; BS/MS in CS or related or equivalent experience.
Java, Python, JavaScript, AWS, Azure, Amazon Bedrock AgentCore, AWS Kiro, OpenAI Codex, LLM, vector databases, MCP servers, HireVue