82 java microservices developer jobs at 38 companies in Hanover, PA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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Java Developer
Annapolis Junction, Maryland, United States
$70k-$285k/yr OnsiteFull Time
Athenix Solutions Group
Athenix Solutions Group: Provides cybersecurity, systems engineering, and training for defense agencies.
Requires active TS/SCI with Polygraph, experience with Enterprise Java, microservices and SOA, database experience (MongoDB or MySQL), JMS, and knowledge of cellular communications parameters.
Java, MongoDB, MySQL, JMS
1mo
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Java Software Engineer Level 4
Aurora or Morrisville or Linthicum Heights
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOETop Secret/SCI required; Bachelor’s degree (or equivalent experience); 5+ years Java development; experience with RESTful APIs, microservices, Git, and Agile; strong OO design and SOLID principles.
RESTful APIs, microservices, Java, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker
1mo
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Software Engineer - Java, Microservices, MuleSoft & API Development (Remote)
Baltimore, Maryland, United States
$80k-$158k/yr RemoteFull Time
CareFirst BlueCross BlueShield
CareFirst BlueCross BlueShield: Provides health insurance coverage and administrative healthcare services.
5+ YOEBachelor's in IT/Computer Science (or 4 additional years experience), 5+ years software design/development, experience with Java, microservices, APIs, MuleSoft, Docker/Kubernetes, AWS/Azure, SQL/NoSQL, CI/CD, testing frameworks, and mentoring/leading teams.
Java, Spring, Spring Boot, Spring Cloud, Spring Core, Spring MVC, Spring Integration, Spring Batch, REST, SOAP, Docker, Kubernetes, Microsoft Azure, Microsoft Azure Monitor, Microsoft Azure Kubernetes Service (AKS), AWS, Oracle, Postgres, PostgreSQL, Mongodb, Cassandra, Elastic/ELK, Splunk, Kibana, Confluent, Apache Kafka, Kafka Streams, Postman, newman, MuleSoft, Dataweave, FHIR (Fast Healthcare Interoperability Resources), HL7, Cucumber, TestNG, Rest Assured, JSON, XML, Git, Bitbucket, Jira, Swagger/OpenAPI Specification, Service Mesh, OAuth, Apigee, Maven, Jenkins, SonarQube, Artifactory, UNIX, Shell
1mo
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Java Software Engineer Level 5
Aurora or Morrisville or Linthicum
$177k-$266k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOEActive Top-Secret/SCI clearance required; 12+ years software development experience (alternatively experience/degree combinations), 5+ years Java, RESTful APIs/microservices, Git workflows, Agile experience, strong OOP and SOLID skills.
Java, RESTful APIs, Git, GitHub, GitLab, Bitbucket, Linux, CI/CD, Docker
1mo
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Full Stack Java Developer
Annapolis Junction, Maryland, United States
$245k-$271k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
20+ YOEExpertise in Enterprise Java, service-oriented and microservice architectures, databases (Mongo, MySQL), Python; TS/SCI with polygraph required; Bachelor's in CS (or substitute experience); 20 years SWE experience.
Java, Python, Mongo, MySQL, IntelliJ, Eclipse, VS Code, Jira, Confluence, GitLab, Docker, Kubernetes, NumPy, pandas, ISLANDTRANSPORT, JICD
3w
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Full Stack Java Developer-Principal
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
12+ YOETS/SCI with polygraph required; B.S. in CS or 12 years' relevant experience (or 16 years without degree); experience with Java, Spring Boot, Angular/JSX, REST/microservices; Agile experience.
Angular, JavaScript XML (JSX), Spring Boot, Java, RESTful API, Spring MVC, Spring Data, Spring Security, Java Message Service (JMS), Apache Kafka, Oracle Database, Elasticsearch, Docker, Kubernetes (K8s), Maven, Gradle, GitLab, CI/CD
1mo
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Senior Full Stack Java REACT Developer
Laurel or Washington or Baltimore or Montgomery or San Antonio or Virginia or United States
$130k-$160k/yr HybridFull Time
ERP International
ERP International: Provider of healthcare and technology solutions for federal agencies.
8+ YOE8+ years Java/Spring Boot, 5+ years React, microservice and API development, unit testing (JUnit/Mockito/Cucumber), Agile/DevSecOps and CI/CD experience; US citizen able to obtain Secret DoD clearance.
Java, Spring Boot, React, Postgres, Redis, Junit, Mockito, Cucumber, Jira, Confluence, Docker, Kubernetes, DevSecOps, CI/CD, Microsoft Teams, DoD STIG
2mo
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Senior Java Developer (Active TS/SCI with Poly Required - (SIGN-ON BONUS UP TO $30,000)
Annapolis Junction, Maryland, United States
$164k-$207k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
5+ YOEActive TS/SCI with poly; Bachelor's in a technical field; 5+ years software development; 4+ years Java; microservices, Spring, Docker, Kubernetes; strong backend architecture.
Java, Kotlin, Spring Boot, Spring Cloud, Spring Data, AWS, Docker, Kubernetes, Linux, Kafka, Cassandra, DynamoDB, GitLab CI/CD, Maven, Node.js, SonarQube, IntelliJ, VSCode, ReactJS
3w
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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
3w
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Software Engineer Level 0 (Java - TS/SCI w/ Polygraph required)
Annapolis Junction, Maryland, United States
$85k-$150k/yr OnsiteFull Time
Red Alpha
Red Alpha: Provides software engineering and data science for defense missions.
0+ YOEActive TS/SCI with Polygraph, Bachelor's degree or 4 years' experience, knowledge of Java and Git, microservices, cloud, containerization; strong analytical and teamwork skills.
Java, Git, GDAL, GeoTools, AWS, Docker, Kubernetes
3mo
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Software Engineer
Aurora or Annapolis Junction
$72-$84/hr HybridFull Time
EverWatch
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
Java, Spring Boot, Kafka, WebSockets, Microservices, MySQL, PostgreSQL, MongoDB, Docker, Kubernetes, OCI containers, ReactJS, HTML, JavaScript, CI/CD, Jira, Confluence
3mo
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Jr Level Software Developer
Annapolis Junction or Columbia
$94k-$144k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
7+ YOERequires poly clearance; 7+ years software engineering or 4+ years with degree; BS CS or related; strong Java/JavaScript/Python; Agile; microservices; CI/CD; cloud knowledge.
Java, JavaScript, Python, Docker, Docker Compose, Kubernetes, Jenkins, GitHub, GitLab, Jira, Confluence, AWS, PostgreSQL, NoSQL, Go, Rust, C++, Vue, MinIO, Clickhouse, Graphite, ETL, Microservices, Full stack
5d
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Cloud Software Engineer
Columbia or Laurel
$135k-$206k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
6+ YOEActive TS/SCI with polygraph required; Bachelor's in a technical field (or +2 years experience), 6 years software development, Java/Docker/microservices, streaming frameworks (Flink, Spring Cloud Data Flow, Heron), Git/SVN; willingness to obtain AWS/Kubernetes certs.
Apache Flink, Spring Cloud Data Flow, Heron, Java, Docker, Microservice Architecture, Git, SVN, AWS, Kubernetes
1mo
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Senior Integration Developer
Annapolis Junction or Columbia
$200k-$265k/yr HybridFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
12+ YOEActive security clearance with polygraph, 12+ years software development, bachelor’s in CS (or equivalent experience), experience with RESTful APIs, microservices, Pega, Java/JavaScript, AWS, Kubernetes, and leading engineering efforts.
Pega, Kubernetes, React, Java, HTML, CSS, JavaScript, AWS, EKS, S3, Docker, Elasticsearch, Kafka, Jenkins, Artifactory, Git, RESTful APIs, OAuth2, OIDC, SAML, JWT, PKI
2mo
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Software Engineer 2
Annapolis Junction or Maryland or Virginia or Colorado or Texas or Utah or Alaska or Hawaii or United States
$64-$120/hr OnsiteFull Time
Wyetech
Wyetech: Provides professional engineering services for government and commercial sectors.
14+ YOEU.S. citizenship and active/obtainable TS/SCI clearance required. Bachelor's in a relevant field or equivalent, 14+ years software engineering experience, strong Java, Hadoop, microservices, containers, Kubernetes, and distributed systems skills.
Hadoop, microservices, RESTful APIs, Podman, Docker, Kubernetes, Java, AWS, MongoDB, ArangoDB, Redis, PostgreSQL
3mo
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Software Engineer (Hybrid) - 27725 (Columbia, MD, Maryland, United States)
Columbia, Maryland, United States
$112k-$155k/yr HybridFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
5+ YOE5+ years software engineering; Java (Spring, Guava); REST, microservices, OOP; Linux; Agile; hybrid work; security clearance potential.
Java, Spring, Guava, REST, Microservices, Linux, Git, Nexus, Maven, AWS, Azure, Confluence, Jira
2w
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Software Engineer
Columbia or Linthicum Heights
$180k-$200k/yr OnsiteFull Time
BEAT
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.
Java, Claude Code, Google's Antigravity, Gemini, NiFi, Kafka, AWS, Microsoft Azure, Linux, Git, Nexus, Maven, Elasticsearch, Postgres, Trino, Python, Flask, Vue, Docker, CICD, JIRA, Confluence, Github Enterprise
2mo
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Staff Software Engineer - (Data) - Query Optimization, Schema Design
Columbia, Maryland, United States
$163k-$218k/yr RemoteFull Time
Tenable
TenableNasdaq: TENB: Provides cybersecurity software to identify and prioritize digital risks.
8+ YOE8+ years in enterprise software development, distributed microservices, Java or Kotlin, Kubernetes, data ingestion/storage, and leadership.
Java, Kotlin, Kubernetes, Kafka, SQL, Distributed Systems, Cloud
2mo
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Application/Agentic AI Engineer
Aberdeen, Maryland, United States
HybridFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
3+ YOE3+ years in software engineering or AI integration; BS in CS/Software/ Data/IS; proficient in Python/JS/TS/Java; API/microservice experience; LLMs and AI orchestration familiarity; cloud-native with Docker/Kubernetes; SDLC/DevSecOps/CI/CD; Git; strong problem-solving; active security clearance.
Python, JavaScript, TypeScript, Java, APIs, Microservices, Data services, Docker, Kubernetes, Git, CI/CD, SDLC, DevSecOps
6d
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Agile Developer 3
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
7+ YOEActive TS/SCI with Full Scope Polygraph; 7+ years experience (with Master's) or 9+ with Bachelor's; strong Java/Spring Boot or Python, AWS services, microservices, and CI/CD tooling expertise.
Java, Spring Boot, Python, AWS, DynamoDB, Lambda, CloudWatch, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, MongoDB, OAuth/OIDC, Cypress, Cucumber