27 back end engineer jobs at 18 companies in Hanover, PA

3w
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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
3d
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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.
14+ YOERequires active TS/SCI clearance with polygraph, 14 years of software engineering experience, and a bachelor's in computer science or related field; experience with Agile, AWS, Jira, Confluence, testing, and documentation.
Amazon Web Services (AWS), Jira, Confluence
3mo
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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
4w
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Drupal Backend Engineer, (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
$96k-$133k/yr RemoteFull Time
Fearless
Fearless: Digital services firm delivering IT solutions for government agencies.
5+ YOE5+ years Drupal development with Drupal 11, ability to build custom modules/APIs, security and performance remediation, experience with DDEV/Docker, testing (Cypress, PHPUnit), Git workflows, and ability to obtain Public Trust clearance.
Drupal, DDEV, Docker, Xdebug, Cypress, PHPUnit, Git, GitHub Copilot, VS Code, PHPStorm, Jira, Confluence, Slack, Zoom, Microsoft Teams, Twig
2w
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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
3w
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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
3w
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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
1w
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Software Engineer (Backend Focus)
Annapolis Junction, Maryland, United States
$120k-$240k/yr OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
8+ YOE8+ years experience, expert in Java or C#, Gradle/Maven, Docker/Kubernetes, Git; experience with graph databases (Neo4j) and high-performance tuning; TS/SCI with polygraph required.
Java, C#, Gradle, Maven, Docker, Kubernetes, Git, Neo4j
1w
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Full Stack Software Engineer (Backend Focus)
Fort Meade or Columbia
$150k-$190k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
8+ YOEBachelor's degree in a technical discipline or equivalent experience, 8 years of software development, Python, data frameworks, SQL, databases, Git, GitLab, front-end frameworks, and production support experience.
Python, Pandas, Polars, SQL, SQLite, PostgreSQL, MySQL, Git, GitLab, TypeScript, JavaScript, React
1mo
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Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
3+ YOE3+ years software engineering experience with strong Java and Spring Boot skills, RESTful services, MongoDB/NoSQL experience, automated testing, and TS/SCI with poly clearance required.
Java, Spring Boot, MongoDB, Vue.js, Apache Kafka, Linux
1mo
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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
1mo
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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
1mo
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Senior ASIC Physical Design Engineer
Laurel, Maryland, United States
$105k-$290k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
6+ YOEAssociate’s degree (or equivalent) in a technical field, 6+ years back-end ASIC design, skilled with Cadence back-end tools and Siemens Calibre, able to obtain Interim Secret and Secret clearance, US citizenship required.
Cadence ASIC design tools, Cadence Virtuoso, Siemens Calibre, Siemens ASIC design tools, DRC, DRC+, MCD, LVS
4w
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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
3mo
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Software Engineer
Aberdeen, Maryland, United States
$85k-$190k/yr OnsiteFull Time
LufCo
LufCo: Provides specialized engineering and analytic services for defense missions.
Open to all levels; Go, APIs, distributed systems, back-end focus; security-aware; must provide code portfolio link.
Go, Docker, PostgreSQL, MySQL, MongoDB, REST, Git
1d
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IC3- Senior Software Engineer, AI and Full Stack
Columbia, Maryland, United States
RemoteFull Time
Kion
Kion: Automated cloud governance and financial management platform.
5+ YOERequires 5+ years building scalable web applications, front-end and back-end development, API integration, relational databases, cloud platforms, AI application knowledge, and end-to-end feature ownership.
Model Context Protocol (MCP), Angular, React, Vue, Go, Java, Python, Ruby, Node.js, C#, API, MySQL, PostgreSQL, AWS, Azure, GCP, Golang, LLM APIs
2mo
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Sr. Full Stack Software Developer (SME)
Annapolis Junction or Fort Meade
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: A government-focused IT services delivering secure software solutions.
20+ YOESenior full stack developer with SME guidance, 20+ years experience in front-end and back-end tech, TS/SCI clearance.
Docker, Kubernetes, Jenkins, Node.js, JavaScript, HTML, CSS, SQL, Python, Rancher
3d
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Quality Assurance Engineer
Hunt Valley, Maryland, United States
$98k-$110k/yr HybridFull Time
Sinclair
SinclairNASDAQ: SBGI: Operates television stations and produces news and sports programming
3+ YOEBachelor's degree in IT or equivalent experience, 3–6+ years of application testing, SQL and relational database experience, SDLC knowledge, front- and back-end testing, and software defect troubleshooting.
SQL, T-SQL, Robot Framework, Selenium, Copilot, ChatGPT, Jira, Azure DevOps, Jenkins, Microsoft Visual Studio, Git
2w
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Senior User Interface Developer (TLM - 007)
Annapolis Junction, Maryland, United States
OnsiteFull Time
SageCor Solutions
SageCor Solutions: Provides engineering services for the intelligence community.
5+ YOEActive TS/SCI with Polygraph, 5+ years UI development experience, Angular 20+, TypeScript, HTML, CSS, and interfacing with RESTful back-end APIs.
Angular 20+, TypeScript, HTML, CSS, RESTful APIs, NX Smart Monorepos
1mo
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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