96 software backend engineer jobs at 57 companies in Aberdeen, MD

4w
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Backend Software Developer
Annapolis Junction, Maryland, United States
$166k-$222k/yr HybridFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
Active TS/SCI with Polygraph required; experience developing, testing, and documenting backend software; experience with AWS, Jira, Confluence, Agile; ability to create test procedures and support integrations.
Amazon Web Services (AWS), Jira, Confluence
1mo
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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
1d
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Mid Level - Backend Software Engineer
Laurel, Maryland, United States
$120k-$181k/yr HybridFull Time
ELEVI Associates
ELEVI Associates: Provides cyber security and IT engineering for federal agencies.
8+ YOEMinimum 8 years application design and development experience with backend databases, full lifecycle development, Python backend services, REST APIs, cloud environments, automated testing, Docker/Kubernetes, and Agile delivery.
React, Angular, Python, PyTest, JUnit, Docker, Kubernetes, AWS, REST, JavaScript, C++, Perl, Ruby
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
6d
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Backend Software Engineer — Secure Mission Systems
Laurel, Maryland, United States
RemoteFull Time
Rackner
Rackner: Builds cloud-native software and AI systems for government agencies.
4+ YOEU.S. citizenship and active final DoD Secret clearance required; 4+ years software development experience; bachelor’s degree in CS or related; experience with Python or C#, backend services, APIs, testing, and secure SDLC.
Python, C#, FastAPI, gRPC, Celery, RabbitMQ, PostgreSQL, PostGIS, OpenShift, Kubernetes, GitLab CI/CD, LLM, AI/ML
5d
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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
6d
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Back-End Software Developer
Fort Meade, Maryland, United States
$115k-$125k/yr OnsiteFull Time
Plateau Software
Plateau Software: Provides IT and environmental software solutions for government agencies.
7+ YOE7+ years software development experience, bachelor’s degree, active secret or interim clearance, DevSecOps and cloud experience, proficiency with OOP and scripting, CI/CD and containerization expertise.
Jira, Jenkins, GitLab, NPM, Cypress.io, esbuild, Bun, Apache Tomcat, Maven, SonarQube, AWS, Kubernetes, RedHat Linux, Fortify, JUnit5, Ansible
3mo
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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
1w
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Senior Backend Engineer
Columbia, Maryland, United States
$100k-$120k/yr HybridFull Time
Quidient
Quidient: Develops AI for 3D scene reconstruction and virtualization.
4+ YOEBachelor's or equivalent,4+ years building backend systems/APIs,strong AWS,Docker,Python or Node.js,CI/CD and infrastructure-as-code experience,ability to meet security vetting.
AWS Lambda, API Gateway, Amazon S3, Amazon EC2, ECS, EKS, CloudFormation, Docker, Python, Node.js, CI/CD, OAuth, OpenID
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
2mo
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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
2w
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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
3mo
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Senior Back-End Developer - United States
San Antonio or Baltimore or United States
RemoteFull Time
Maximus
MaximusNYSE: MMS: Provides government health and human services program administration.
10+ YOE5+ MgmtActive Top Secret/SCI clearance, bachelor’s degree in a related field, 10+ years experience, 5+ years back-end development with Python and PostgreSQL, experience with RESTful APIs, AWS, Kubernetes, RedHat Linux, CI/CD, DevSecOps, and related toolchains.
Python, PostgreSQL, Jira, AWS Infrastructure, Kubernetes, RedHat Linux, BASH, Spring, Ansible, JUnit5, Nexus Repository, Maven, RESTful API, DevSecOps, microservices, containers, CI/CD, Agile Test-Driven development
1w
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Open Data Backend Engineer, (Senior Consultant, Engineering & Technical Services)
Baltimore or Alabama or California or Delaware or District of Columbia or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia
$121k-$159k/yr RemoteFull Time
Fearless
Fearless: Digital services firm delivering IT solutions for government agencies.
7+ YOE7+ years engineering experience with Drupal 10–11, DKAN familiarity, PHP and SQL proficiency, Git/CI-CD, automated testing, Public Trust clearance eligibility, and US residency requirements.
Drupal 11, DKAN, CKAN, Socrata, DCAT, FHIR, SQL, Drush, Docker, DDEV, docker-compose, PHPUnit, Cypress, Xdebug, Git, Varnish, Akamai CDN, GraphQL, REST
1w
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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
1w
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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
1d
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Software Engineer (Back-end, API, Python)
Fort Meade, Maryland, United States
OnsiteFull Time
Themis Insight
Themis Insight: Provides technical consulting and data analytics for national security.
4+ YOETS/SCI with polygraph required; Bachelor's in Computer Science or related (or 4 years SWE experience substitution); 4 years IT application systems experience; 2 years developing core applications; Python experience.
Python
3w
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Application Developer (backend) 4
Linthicum, Maryland, United States
$198k-$212k/yr OnsiteFull Time
Lentech
Lentech: Provides mission-critical IT and engineering solutions for government agencies.
6+ YOEDevelop backend Python microservices and ReST endpoints using Django/Flask; work with MongoDB or MariaDB, Docker, and CI tooling; 6+ years experience typically required depending on degree.
Python, Docker, Django, Flask, MariaDB, MongoDB, ReST, JSON, XML, Jira, Confluence, Git, AWS
2mo
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Software Engineer
Laurel or Fort Meade
OnsiteFull Time
Metron
Metron: Develops scientific software and mathematical models for national security.
3+ YOEActive TS/SCI with CI poly, HS diploma, 3+ years as Software Engineer, hands-on with modern web and backend tech.
HTML, CSS, JavaScript, Angular, React, Spring Boot, Node.js, Postgres, ActiveMQ, Redis, Docker, Kubernetes, GitLab, CI/CD, Java, TypeScript, Python, C++
2w
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Software Engineer
Fort Meade, Maryland, United States
$142k-$236k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
20+ YOEBachelor's in CS or related (or equivalent experience), 20+ years software engineering, expert Java backend development, EMR not applicable, TS/SCI with poly required.
Java