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98 senior backend engineer jobs at 64 companies in Maryland

1mo
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Senior Backend Engineer
Columbia, Maryland, United States
$100k-$120k/yr HybridFull Time
Quidient
Quidient: Spatial AI specializing in Generalized Scene Reconstruction software.
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
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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: AI-powered facility intelligence platform helps commercial, industrial, and retail property owners assess assets and plan maintenance.
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
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1mo
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Backend Developer
Bethesda, Maryland, United States
$110k-$115k/yr OnsiteFull Time
West 4th Strategy
West 4th Strategy: Federal IT services and professional-services firm providing technology and mission-support teams to government agencies and prime contractors.
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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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: Private AI risk-infrastructure helping banks and fintechs detect fraud and manage anti-money-laundering operations.
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
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2mo
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Senior Backend API Engineer
Linthicum, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Veteran-owned custom software engineering firm serving government customers with mission-critical IT solutions.
7+ YOEActive TS/SCI with polygraph required; 7+ years backend development experience with Python, RESTful APIs, Django/Flask, Docker, MariaDB/MongoDB; experience with Git, Jira, Confluence; strong troubleshooting and communication skills.
Python, Django, Flask, MariaDB, MongoDB, JSON, XML, Docker, Git, Jira, Confluence, AWS
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Senior Manager, Backend Services
New York City or Los Angeles or Chicago or Stamford or California or Connecticut or Florida or Georgia or Illinois or Indiana or Maryland or Massachusetts or Michigan or Minnesota or Nevada or New Hampshire or New Jersey or New York or North Carolina or Oregon or South Carolina or South Dakota or Texas or West Virginia or Wisconsin or Wyoming
$179k-$210k/yr HybridFull Time
A+E Networks
A+E Networks: Private global media producing and distributing television, documentary, scripted, and digital entertainment worldwide.
7+ YOE2+ Mgmt7+ years backend engineering, 2+ years engineering management, GraphQL and REST API design, Node.js and cloud-native experience, CI/CD, Docker/Kubernetes, strong communication and leadership.
GraphQL, Apollo, Hasura, REST, Node.js, AWS, GCP, Azure, CI/CD, Docker, Kubernetes, Pulumi, SQL, NoSQL, GitHub Copilot, Claude Code, Stripe, PayPal, Recurly, Auth0, Cognito, LoginRadius, Kafka, SNS, SQS
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API Backend Developer
Maryland, United States
OnsiteFull Time
One Federal Solution
One Federal Solution: Professional services firm providing contract support to 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
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Mid Level - Backend Software Engineer
Laurel, Maryland, United States
$120k-$181k/yr HybridFull Time
ELEVI Associates
ELEVI Associates: Private Maryland IT consultancy and staffing provider serving government, DoD, and commercial enterprise clients.
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
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5d
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Backend Software Engineer (Python)
Texas or Maryland
$136k-$190k/yr RemotePart Time
Merkle
Merkle: Merkle is a dentsu-owned global experience consultancy delivering data, technology, marketing, and customer-experience services to brands.
2+ YOEBachelor's degree in computer science, engineering, or related field; 6+ years coding experience, 2+ years Python and REST API experience, data persistence, monitoring, concurrent systems, and version tracking.
Python, asyncio, Tornado, Celery, Redis, Postgres, NoSQL, MongoDB, OpenAI, Anthropic, Cohere
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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: Employee-owned digital services integrator building software, data, and cybersecurity 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
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3mo
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Mid-Level Backend Software Engineer
Baltimore, Maryland, United States
$87k-$157k/yr OnsiteFull Time
Baltimore Corps
Baltimore Corps: Nonprofit talent-placement organization connecting local professionals with public and social-sector employers.
4+ YOEBachelor's degree with 4–8 years or master's degree with 2–6 years of experience; active TS/SCI clearance with polygraph eligibility; Java or Python, RESTful APIs, SQL, and Linux experience required.
Java, Python, RESTful APIs, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure
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1mo
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Backend Software Developer (Telework) (BT-2)
Annapolis Junction, Maryland, United States
$190k-$225k/yr HybridFull Time
Legato, LLC
Legato, LLC: Private small-business IT engineering services provider serving the Intelligence Community.
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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2mo
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Application Developer (backend) 4
Linthicum, Maryland, United States
$198k-$212k/yr OnsiteFull Time
Lentech
Lentech: Employee-owned federal IT and mission-technical services contractor supporting civil, defense, and intelligence 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
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1w
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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: Private-markets software platform helping wealth managers build, fundraise for, and manage investment programs.
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
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4w
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Software Engineer (Backend Focus)
Annapolis Junction, Maryland, United States
$120k-$240k/yr OnsiteFull Time
Set of X
Set of X: Private engineering-services providing software and technical support to U.S. government customers.
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
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6d
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Software Engineer (Backend-Java)
Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Delaware or Florida or Georgia or Illinois or Louisiana or Maine or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or North Carolina or New Jersey or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Texas or Tennessee or Utah or Virginia or Washington or Wisconsin
$128k-$136k/yr RemoteFull Time
Nava
Nava: Consultancy providing digital modernization services to government agencies.
5+ YOERequires 5+ years in agile teams, Java, Spring Boot, cloud-native microservices, RESTful APIs, relational databases, DevOps, AWS, and strong communication and problem-solving skills.
Java, Spring Boot, RESTful APIs, Postgres, JDBC, Hibernate, Jenkins CI/CD, AWS, LinkedIn Learning
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3w
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Full Stack Software Engineer (Backend Focus)
Fort Meade or Columbia
$150k-$190k/yr OnsiteFull Time
Visionist
Visionist: Employee-owned defense contractor providing software, analytics, and UX services for national-security missions.
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
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1mo
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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: A leading provider of auto and property insurance.
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
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Senior Software Engineer
Bethesda, Maryland, United States
$140k-$220k/yr HybridFull Time
ZoomInfo
ZoomInfoNasdaq Global Select Market: GTM: B2B go-to-market intelligence platform providing data, buying signals, and automation to sales, marketing, and recruiting teams.
5+ YOE5+ years backend engineering experience; strong Node.js/NestJS, JavaScript/TypeScript; experience building integrations, high-volume data services, auth protocols (OAuth2/OIDC/SAML/JWT); MongoDB familiarity.
Node.js, NestJS, JavaScript, TypeScript, Java, Spring Boot, MongoDB, React, Salesforce, OAuth 2.0, OIDC, SAML, JWT
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3mo
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Senior Software Engineer
Jessup, Maryland, United States
$125k-$270k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Developer of unmanned aircraft systems and defense technologies.
8+ YOEBachelor's degree or equivalent; 8-12 years in application software; TS/SCI with Polygraph; strong Java backend; React; RESTful APIs; Docker/Podman; Kubernetes; microservices.
Docker, Podman, Kubernetes, Java, React, RESTful APIs, MongoDB, ArangoDB, Redis, PostgreSQL, AWS
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