28 java back end developer jobs at 16 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
2w
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Back End Developer
Annapolis Junction, Maryland, United States
$129k-$206k/yr OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
7+ YOEActive TS/SCI with Polygraph, 7+ years technical experience, Bachelor's in Computer Science or related (or +4 years experience in lieu), strong Python/Java/C++, PostgreSQL/SQL, Git, AWS, and Agile experience.
Python, Java, C++, PostgreSQL, SQL, Git, Amazon Web Services, API Gateway, Lambda, Jira, Confluence
3mo
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Senior Back End Developer
Lackland AFB or Fort Meade
OnsiteFull Time
Titan Technologies
Titan Technologies: Provides IT solutions and services to government agencies.
10+ YOEDoD TS clearance required; TS/SCI preferred; 10+ years software development; 5+ years backend web development; 10 years relational databases and RESTful APIs; 5 years Python and PostgreSQL; 5 years Jira; 5 years web testing; 5 years leading software programs; 3 years AWS, Kubernetes, RedHat Linux; 5 years with five of: PostgreSQL, RDS, Exodus, Pyth...
Python, PostgreSQL, Docker, Ansible, Terraform, AWS, Kubernetes, OpenStack, Java, Puppet, Chef, Maven, OpenJDK, REST APIs, Git
3w
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Backend Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
12+ YOESenior backend developer with Java Spring Boot microservice experience, familiarity with SQL/NoSQL databases, containerization (Docker, Kubernetes, Rancher), CI/CD (GitLab CI, Jenkins), Git, Atlassian tools, automated testing, and TS/SCI clearance with polygraph.
Java, Spring Boot, PostGres, MySQL, Elasticsearch, MongoDB, GitLab CI, Jenkins, Git, Jira, Confluence, Docker, Kubernetes, Rancher
2mo
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Junior Backend Software Developer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
3+ YOETop Secret/SCI clearance with polygraph; bachelor's degree; 3 years software development; Java, REST, Spring Boot; MongoDB; automated testing.
Java, Spring Boot, MongoDB, REST, Automated Testing
2mo
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Backend Software Engineer
Gaithersburg, Maryland, United States
$108k-$195k/yr OnsiteFull Time
teKnoluxion
teKnoluxion: Providing technical engineering and cloud services to the intelligence community.
6+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor’s (required) or master’s in CS or related; 6+ years experience (varies by degree); strong Java or Python, SQL, REST API, Linux skills.
Java, Python, SQL, Linux, RESTful APIs, Apache Airflow, PostGIS, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, Kubernetes, AWS, Azure
2mo
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SOFTWARE ENGINEER - Back End/AWS - 7+ yrs of Experience (PARTIAL TELEWORK) - TS/SCI w/Poly clearance is required - BT
Annapolis Junction, Maryland, United States
$160k-$165k/yr HybridFull Time
Halogen Engineering Group
Halogen Engineering Group: Provides specialized engineering, cybersecurity, and program management services.
7+ YOE7+ years of software engineering experience with back-end/AWS, Agile, QA, and documentation credentials.
AWS, Git, Java, C++, Python, PostgreSQL, SQL, Jira, Confluence
1mo
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Software Engineer III - Front End/ Back End
Columbia, Maryland, United States
$110k-$130k/yr RemoteFull Time
Ad Hoc
Ad Hoc: Builds user-centered digital services and platforms for government agencies.
8+ YOE8+ years software engineering experience (or equivalent), strong Java and Spring Boot backend skills, RESTful API and microservices experience, relational DB experience, Git and CI/CD familiarity, US citizenship and DHS Public Trust eligibility.
Java, Spring Boot, RESTful APIs, Oracle, PostgreSQL, Microsoft SQL Server, Git, Docker, Kubernetes, EKS, Jenkins, GitHub, SonarQube, Splunk, Kafka, New Relic, Angular, React, C#, .NET, VB.NET, C++, Tomcat, Oracle SQL Developer, AWS
19h
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Software Engineer 1 - Back-End/DevOps
Annapolis Junction, Maryland, United States
$130k-$270k/yr OnsiteFull Time
Captivation Software
Captivation Software: Provides specialized software engineering for the intelligence and defense communities.
7+ YOEMust hold Top Secret/SCI with favorable Polygraph, 7+ years SWE experience, bachelor’s in CS or related (or 4 years substitution), experience with Spring Boot/Java, AWS, Terraform/CloudFormation, CI/CD, monitoring and testing.
Spring Boot, Java, AWS, ECS, Lambda, RDS, S3, Terraform, CloudFormation, CI/CD, CloudWatch, Prometheus, ELK
6d
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Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
3+ YOE3+ years software engineering with a technical Bachelor's (or 7+ years experience), strong Java and Spring Boot skills, MongoDB or similar DB experience, and automated testing experience; active TS/SCI with poly required.
Java, Spring Boot, MongoDB, Apache Kafka, Linux, Vue.js
1d
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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
GEICO
GEICO: Provides vehicle and property insurance services to consumers.
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
3d
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Senior Software Developer
Towson, Maryland, United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
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
3mo
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Lead Software Developer
Fort Meade, Maryland, United States
OnsiteFull Time
Lentech
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
20+ YOEActive TS.SCI w/FSP through MD; 20 years software engineering; Java/JavaScript, Git, SQL, Python; Linux; SDLC; Agile; UI/UX; API; AWS; C#; front/back-end development.
Java, JavaScript, Git, SQL, Python, Web development, UI/UX, Angular, React, Vue.js, AWS, C#, MongoDB, Spring, OSGi, Perl, Lua, NGINX, Linux
2w
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Software Development Engineer – Product Development
Middletown or United States
RemoteFull Time
Phoenix Contact
Phoenix Contact: Produces components for electrical engineering and industrial automation.
3+ YOEBachelor's in CS/IT or related and 3 years' experience; proficiency with HTML 5, Angular Framework, CSS, OpenAPI, Unix, Linux, MySQL, Java, Vue.js; front- and back-end development, APIs, Agile methodology, and database handling.
HTML 5, Angular Framework, CSS, OpenAPI, Unix, Linux, MySQL, Java, Vue.js, Agile development methodology, APIs
2w
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Full Stack 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.
TS/SCI with Polygraph required. Experience developing back-end services in Python, web UIs with Java/JavaScript/HTML, Active MQ, REST, NoSQL/elastic databases, Atlassian (JIRA, Confluence), Linux, CI/CD; test validation and Tier 3 support experience.
Python, Java, JavaScript, HTML, Active MQ, REST, NoSQL, elastic databases, JIRA, Confluence, Linux, CI/CD
3w
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Software Engineer 2
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
5+ YOE5+ years software engineering experience, 2 years in SIGINT/IA/IT domains, active security clearance with polygraph, proficiency in Python, Java, Spring Boot, REST/JSON, front- and back-end development, containerization, cloud, Linux/bash, and Atlassian tools.
Python, Java, Spring Boot, ReactJS, REST, JSON, Linux, bash, Jira, Confluence, Pydantic, Crew.ai, LangChain, PKI
1w
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Full Stack Software Engineer, Strategic Systems
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBachelor's in CS or related, 5+ years developing in C#, Python, JavaScript/TypeScript, C++, and/or Java; front- and back-end web development; web API and database integration; US citizenship and ability to obtain Interim Secret/Top Secret clearance.
C#, Python, JavaScript, TypeScript, C++, Java, GitLab, Jira, VS Code, ASP.NET Core, Entity Framework Core, SQL Server
2mo
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Lead Engineer Software - Full Stack Technical Lead (Remote)
Baltimore, Maryland, United States
$115k-$229k/yr RemoteFull Time
CareFirst BlueCross BlueShield
CareFirst BlueCross BlueShield: Provides health insurance coverage and administrative healthcare services.
8+ YOE8 years experience in software design/development; healthcare domain knowledge; front-end and back-end development; API/Microservices; cloud knowledge (AWS/Azure).
JavaScript, Python, Java, Microservices, APIs, AWS, Azure, Oracle, SQL Server, MongoDB, PostgreSQL, CI/CD, TDD, BDD, IBM MQ, AS400
1w
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Jr Software Engineer TS/SCI with Poly
Annapolis Junction, Maryland, United States
$80k-$128k/yr HybridFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
Active TS/SCI with polygraph required; bachelor\u0002s in computer science or related field required (or 4 years SWE experience substitution); basic OOP knowledge; front- and back-end experience preferred.
Java, JavaScript, Vue.js, React, JSON, Mongo DB, ElasticSearch, Grafana, Kibana

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