118 backend development engineer jobs at 74 companies in Maryland

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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
1mo
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Backend Engineer
California or Colorado or Georgia or Idaho or Illinois or Kansas or Massachusetts or Maryland or Michigan or Minnesota or New Jersey or New York or Ohio or Oregon or Pennsylvania or Rhode Island or Texas or Washington
$180k-$220k/yr RemoteFull Time
Unit21
Unit21: Provides an AI-powered platform for fraud and money laundering detection.
5+ YOE5+ years in data/software engineering, experience with large-scale data processing, advanced SQL, Python/OOP, cloud platforms, and infrastructure-as-code (Terraform).
Apache Spark, Databricks, Flink, Beam, Python, SQL, AWS, Azure, Google Cloud, Terraform
1mo
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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
1mo
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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
2w
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API Backend Developer
Maryland, United States
OnsiteFull Time
One Federal Solution
One Federal Solution: Provides professional and technical services to federal government agencies.
6+ YOE6+ years developing enterprise applications with Python, Django, GraphQL, REST APIs, and relational databases; experience with AI extraction from scientific publications and accessibility (Section 508/WCAG).
Python, Django, GraphQL, REST APIs, SQL Server, MySQL, PostgreSQL, Git, GitHub, Docker, Linux, HTML, XHTML, CSS
1mo
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Senior Backend Software Engineer
Arkansas or California or Colorado or District of Columbia or Florida or Illinois or Massachusetts or Maryland or Maine or Michigan or New Jersey or Ohio or Pennsylvania or South Carolina or Texas or Utah or Virginia or Washington
$165k-$195k/yr RemoteFull Time
SITE Technologies
SITE Technologies: Provides AI-powered property condition assessments and management software.
5+ YOE5+ years backend development experience with Python and FastAPI, strong backend architecture, relational modeling, AWS services, Docker, CI/CD, and cross-team communication.
Python, FastAPI, PostgreSQL, SQLAlchemy, Alembic, Flyway, AWS, ECS, Lambda, RDS, S3, IAM, Docker, Git, CI/CD, GitHub Actions, AWS CodePipeline, Claude Code, Cursor, Terraform, Terragrunt, Datadog, Sentry, LangGraph, Claude Code SDK, Amazon Bedrock
1w
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Java Backend Developer - 6431802
Irving or United States or California or Cleveland or Colorado or District of Columbia or Illinois or Maine or Maryland or Massachusetts or Minnesota or New Jersey or New York or Virginia or Washington
$38-$48/hr HybridFull Time, Temporary
Accenture
AccentureNYSE: ACN: Global professional services firm providing consulting and technology solutions.
3+ YOERequires 3+ years in software engineering, integration, or application development; 3+ years Spring Boot; 2+ years Core Java; 1+ year JUnit; stakeholder collaboration and a bachelor's degree.
Java, Spring Boot, JUnit, RESTful APIs, Microsoft Excel
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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
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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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
4w
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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
1mo
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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
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
3d
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Software Engineer, Backend
New York City or San Francisco or California or Colorado or Florida or Idaho or Illinois or Maine or Maryland or Nevada or New Jersey or New York or North Carolina or North Dakota or Pennsylvania or Rhode Island or Tennessee or Texas or Virginia or Washington
$160k-$240k/yr OnsiteFull Time
Opto Investments
Opto Investments: Platform for wealth managers to manage private market investments.
6+ YOE6+ years of software development; proficiency in Python, REST APIs, SQL, TypeScript, React, AWS, distributed systems, testing, CI/CD, and AI/LLM applications.
TypeScript, React, Next.js, Python, FastAPI, REST, AWS Lambda, AWS, SQL, pytest, CI/CD, AI, LLMs
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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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
2w
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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
4w
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Software Development Engineer
Arlington or Herndon or Jessup
$120k-$200k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Provides professional program and engineering services to federal agencies.
7+ YOEActive TS/SCI with Polygraph, 7+ years software development experience, Rust backend development, AWS and CDK familiarity, advanced networking, CI/CD pipeline development, and memory-optimized application experience.
Rust, AWS, CDK, CI/CD
2w
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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
3w
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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