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Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Westminster • 50 milesRemote · Hybrid · Onsite · Field · All Environments

196 backend developer java jobs at 101 companies in Westminster, MD

18h

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18h

Java Backend Developer Senior

Ashburn, Virginia, United States

$120k-$160k/yr HybridFull Time

SAIC

SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.

5+ YOE5+ years Java/J2EE development, BS in Computer Science/Engineering, cloud and AWS Lambda experience, NoSQL, Docker/Kubernetes, Spring Boot, strong SQL/JDBC/JPA/Hibernate and CI/CD skills.

Java, J2EE, JEE, AWS, AWS Lambda, MongoDB, DocumentDB, DynamoDB, Docker, Kubernetes, Spring Boot, Oracle, XML, JSON, Unix, Linux, JDBC, JPA, Hibernate, GitLab, JIRA, Jenkins, React, IBM MQ, JMS, EJB, MDB, Weblogic, Websphere, JBOSS

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2mo

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2mo

Java Backend Developer Senior

Ashburn, Virginia, United States

OnsiteFull Time

SAIC

SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.

9+ YOEBachelor's degree in computer science or related field; 9+ years Java experience; strong Java/JEE, Spring, Spring Boot; experience with Docker/Kubernetes, AWS; SQL/NoSQL, REST/GraphQL; CI/CD tools; Agile familiarity; US citizenship and public trust eligibility.

Java, JavaEE, Spring, Spring Boot, Docker, Kubernetes, AWS, WebLogic, Maven, Artifactory, Jenkins, GitLab, Jira, JPA/Hibernate, SQL, Oracle, NoSQL, Kafka, SQS, Kinesis, XML, JSON, GraphQL, Unix/Linux

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3w

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3w

Senior Backend Engineer - Java

United States or Tampa or Boston or Atlanta or New York City or Columbus or Chicago or Philadelphia or Raleigh or Charlotte or Minneapolis or Dallas or Washington D.C. or Austin or Miami or Newark

$152k-$194k/yr RemoteFull Time

Real

RealNasdaq: REAX: Technology-driven brokerage offering residential real estate and title services.

8+ YOE8+ years experience with Java/Spring Boot, JPA/Hibernate, relational databases; experience designing event-driven microservices, strong testing practices, AI-assisted development familiarity, BA/BS or equivalent.

Java 17, Java 21, Spring Boot 3.x, JPA/Hibernate 6, Postgres, Kafka, DynamoDB, Redis, OpenSearch, AWS, Docker, Kubernetes, Datadog, ArgoCD, TeamCity, Claude Code, Cursor, Codex, Model Context Protocol (MCP), GitHub, SonarQube

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3mo

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3mo

Backend Java Engineer - Clearance Required

Herndon or Chantilly

OnsiteFull Time

BTI360

BTI360: Develops software and AI solutions for national security customers.

Backend Java experience, Spring or Spring Boot, CI/CD, AWS CodeBuild/Jenkins/GitHub Actions, REST APIs, containerization, and data platform integration.

Java, Spring, Spring Boot, CI/CD, AWS, CodeBuild, Jenkins, GitLab CI, GitHub Actions, REST, HTTP, DevSecOps, Terraform, OpenSearch / Elasticsearch / Solr, Kubernetes, Docker

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1d

Backend Developer

Bethesda, Maryland, United States

$110k-$115k/yr OnsiteFull Time

West 4th Strategy

West 4th Strategy: Provides technology and professional services to federal government agencies.

5+ YOE5+ years backend experience with Java/Spring Boot, SQL/Hibernate, microservices, DevSecOps CI/CD, Aurora PostgreSQL; active U.S. citizenship and secret clearance required; bachelor's degree required.

Java, Spring Boot, Aurora PostgreSQL, SQL, Hibernate/JPA, EMR, EKS, API Gateway, Cognito, SQS, SES, Lambda, MQTT, DevSecOps, SAST/DAST

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2mo

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2mo

Senior Backend Developer

Vienna, Virginia, United States

OnsiteFull Time

Chenega Corporation

Chenega Corporation: Provides professional government, defense, and facility support services.

5+ YOEBachelor's in CS/engineering/GIS; 5+ years backend experience; Python, Node.js, Java; REST APIs; ArcGIS Enterprise; containerized environments; TS/SCI eligibility.

Python, JavaScript/Node.js, Java, ArcGIS Enterprise, Docker, Kubernetes, REST API, PostgreSQL, PostGIS, SQL Server

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2mo

Backend Software Developer

Springfield or Vienna or St. Louis

OnsiteFull Time

INCATech

INCATech: Geospatial software solutions provider focusing on GIS and enterprise data management.

2+ YOE2+ years backend development; Node.js, Python/Java; REST APIs; ArcGIS Enterprise; Docker/Kubernetes; on-site; Top Secret clearance.

Node.js, Python, Java, ArcGIS Enterprise, Docker, Kubernetes, REST APIs, PostgreSQL, PostGIS, SQL Server

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1mo

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1mo

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

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1mo

Backend AI engineer

Tysons, Virginia, United States

RemoteFull Time

Cav

Cav: Continuous cyber assurance platform for high-reliability organizations.

3+ YOE3+ years backend or AI engineering experience; strong Python/Java/Go skills; experience with scalable APIs, microservices, cloud (AWS/Azure/GCP), Docker/Kubernetes, LLMs, vector databases, and production ML integration.

Python, Java, Go, LLMs, LangChain, OpenAI APIs, Hugging Face, Pinecone, Redis, vector databases, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, CI/CD pipelines

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2mo

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2mo

Back-End Developer

McLean, Virginia, United States

$87k-$198k/yr OnsiteFull Time

Booz Allen Hamilton

Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.

3+ YOE3+ years in software development; experience with Java and Docker; TS/SCI clearance; associate or bachelor’s degree with software engineering experience

Java, Docker

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2mo

Back-End Developer

McLean, Virginia, United States

$87k-$198k/yr HybridFull Time

Booz Allen Hamilton

Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients

3+ YOE3+ years in software development; Java; Docker; experience with unbounded data streams; TS/SCI clearance; Associate or Bachelor degree with relevant experience

Java, Docker, Kubernetes, Kotlin, Python, Agile

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2mo

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

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3mo

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3mo

Mid-Level Back End Developer

Lackland AFB or Fort Meade

OnsiteFull Time

Titan Technologies

Titan Technologies: Provides IT solutions and services to government agencies.

7+ YOESeven years of software development experience; DoD TS/SCI preferred; 5+ years with multiple tech including Python, Java, Docker, OpenStack, Ansible, Terraform, Kubernetes; backend/REST API focus; CI/CD and DevSecOps.

Python, Java, Docker, OpenStack, Ansible, Packer, Terraform, Kubernetes, Red Hat Enterprise Linux, PostgreSQL, REST, GitLab, Jenkins, Maven, Puppet, Chef, AWS, Jira

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2mo

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

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2d

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2d

Senior Backend Software Engineer (USA Remote)

Washington, District of Columbia, United States

$112k-$187k/yr RemoteFull Time

Turnitin

Turnitin: Software for plagiarism detection and academic integrity in education.

5+ YOE5+ years backend development experience, strong Java (preferred) or Python/Node.js skills, AWS Lambda/API Gateway/DynamoDB experience, serverless and microservices knowledge, Git and CI/CD (github actions), mentoring ability.

AWS Lambda, API Gateway, DynamoDB, Java, Python, Node.js, Git, github actions

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1w

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1w

Back-End Developer, Senior

Washington, District of Columbia, United States

$170k-$190k/yr RemoteFull Time

Potawatomi Federal Solutions

Potawatomi Federal Solutions: Provides administrative and strategic support to tribally owned federal contractors.

7+ YOEBachelor's in Computer Science or related, Public Trust clearance, 7+ years back-end development (3+ years senior), experience with Java/Node.js/Python, AWS, Docker/Kubernetes, CI/CD tools, and federal security standards.

Jenkins, GitHub Actions, SonarQube, Git, NexusIQ, Selenium, AppDynamics, Docker, Podman, Kubernetes, AWS, Java, Node.js, Python

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1mo

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1mo

Back End Developer (HYBRID)

Annapolis Junction, Maryland, United States

$129k-$206k/yr HybridFull Time

Quevera

Quevera: Software engineering and cloud solutions for government and defense.

7+ YOEActive TS/SCI clearance with Polygraph, 7+ years technical experience, Bachelor's in Computer Science (or 4 additional years' experience), strong Python/Java/C++, PostgreSQL/SQL, AWS, Git, and Agile experience.

Python, Java, C++, PostgreSQL, SQL, Amazon Web Services (AWS), API Gateway, AWS Lambda, Git, Jira, Confluence

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3mo

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3mo

Principal Backend Software Engineer - HYBRID

Annapolis Junction, Maryland, United States

$220k-$224k/yr HybridFull Time

Red Arch Solutions

Red Arch Solutions: Provides IT engineering solutions for the intelligence community.

20+ YOEActive TS/SCI with polygraph; Bachelor's in CS or related field plus 20 years SWE experience; 24 years may substitute; experience with test procedures, documentation, Agile, Jira/Confluence, Git, Java/C++/Python, Postgres, AWS.

Git, Java, C++, Python, Postgres, SQL, AWS, Jira, Confluence

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6d

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6d

Backend Software Developer (Telework) (BT-2)

Annapolis Junction, Maryland, United States

$190k-$225k/yr HybridFull Time

Legato

Legato: Delivers IT engineering and cybersecurity services to defense agencies.

14+ YOETS/SCI with Polygraph, 14+ years software engineering experience, proficiency in Java/C++/Python, AWS, Git, PostgreSQL/SQL, Jira/Confluence, Agile, testing, and technical documentation; bachelor's degree or 5 additional years experience.

Java, C++, Python, Git, PostgreSQL, SQL, Amazon Web Services (AWS), Jira, Confluence

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1mo

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1mo

Geospatial Backend Developer – Multiple Positions at Junior/Mid/Senior Levels

Springfield or Vienna or St. Louis or Sun Prairie

OnsiteFull Time

NV5

NV5: Provides engineering, consulting, and geospatial solutions for infrastructure projects.

2+ YOEUS citizen with active/current Top Secret/SCI clearance, Bachelor's in CS/Engineering/GIS/STEM, 2+ years backend development experience using Python/Node.js/Java, ArcGIS Enterprise experience, containerization (Docker/Kubernetes), REST API design, and cloud familiarity.

Esri, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Python, Node.js, Java, Docker, Kubernetes, PostgreSQL, PostGIS, Microsoft SQL Server, Azure, AWS, GCP, REST

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