392 backend developer jobs at 163 companies in Lutherville-Timonium, MD

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Backend Engineer
Denver or Seattle or Washington or San Francisco or Los Angeles or Arvada or San Francisco or Nashville or Denver or Santa Fe or New Orleans or San Diego or Bozeman or New York City
$120k-$180k/yr HybridFull Time
Quindar
Quindar: Automation First. Mission Ready. Mission management software delivering a common operating picture, system-of-systems integration, and resiliency across commercial and government space missions.
3+ YOERequires Python backend development, AWS, GraphQL, Docker, Terraform, APIs, Kubernetes, Git, a computer science bachelor's degree, and 3+ years of experience; U.S. person status and security clearance eligibility required.
Python, AWS, GraphQL, Docker, Terraform, OpenAI, Anthropic, AskSage, Kubernetes, AWS Lambda, Amazon ECS, Amazon EKS, Amazon CloudWatch, Amazon S3, Amazon EFS, Amazon EBS, Amazon EC2, Amazon RDS, Git, GitHub, GitLab, CI/CD
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
1mo
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Backend Developer - Contingent
United States or McLean
RemoteFull Time
Aretum
Aretum: Private government contractor providing technology-enabled mission support services to federal defense, intelligence, and civilian agencies.
5+ YOE5+ years backend experience; proficiency with Python, RESTful APIs, AWS, relational/non-relational databases, scalable search, and team-based agile development. Bachelor's degree preferred (or 3 yrs additional experience).
Python, TypeScript, AWS, RESTful APIs, Django, Rails, Ruby
3mo
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Senior Backend Developer
Vienna, Virginia, United States
OnsiteFull Time
Chenega Agile Real-Time Solutions
Chenega Agile Real-Time Solutions: Alaska Native-owned IT services contractor delivering enterprise operations, modernization, cybersecurity, cloud, and software services to federal customers.
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
1mo
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Backend Software Developer
Annapolis Junction, Maryland, United States
$166k-$222k/yr HybridFull Time
Quevera
Quevera: Veteran-owned custom software engineering firm serving government customers with mission-critical IT solutions.
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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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
6d
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Lead Backend Engineer
Washington, District of Columbia, United States
$142k-$213k/yr OnsiteFull Time
Comcast
ComcastNASDAQ: CMCSA: A global media and technology.
8+ YOERequires 8+ years of backend software engineering, 4–6+ years leading technical projects, expert Golang proficiency, and experience with AWS, Kubernetes, Terraform, distributed systems, APIs, CI/CD, and databases.
Golang, Amazon Web Services (AWS), Kubernetes, Terraform, REST APIs, SQL, NoSQL, CI/CD, DevOps
2mo
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Senior Engineer, Backend
Washington, District of Columbia, United States
HybridFull Time
hatch I.T.
hatch I.T.: Hatch I.T. is a private U.S. recruiting agency that places technical talent for mission-driven startups.
Production experience building backend services in TypeScript and Go, PostgreSQL schema and query optimization, AWS and containerized deployments, API design, AI-assisted development experience; U.S. citizenship and bachelor's or equivalent required.
TypeScript, Go, Python, Claude Code, Cursor, AWS, Docker, ECS, EKS, PostgreSQL, REST, gRPC, RabbitMQ, SQS, Kafka, React, OPA/Rego
1mo
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Senior Backend Developer (Java / Integrations)
Falls Church, Virginia, United States
$90k-$150k/yr HybridFull Time
BizFlow
BizFlow: Private U.S. low-code workflow automation serving federal agencies and commercial enterprises.
10+ YOE10+ years backend development with strong Java and SQL, experience building REST/SOAP integrations, mentoring developers, troubleshooting across application/database/server layers, and familiarity with enterprise systems.
Java (Java 11+), Spring Framework, Spring Boot, Hibernate/JPA, Querydsl, Spring Integration, Apache Camel, BizFlow M, BizFlow AppDev, Oracle, Microsoft SQL Server, RESTful APIs, SOAP Web Services, gRPC, JSON, XML, SAML, OAuth 2.0, JWT, mTLS, OWASP, Tomcat, WildFly/JBoss, Docker, AWS, Git, GitHub, Jira, Confluence, Microsoft SharePoint, Postman, Jenkins, GitHub Actions
1mo
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Backend / Integration Engineer
Washington, District of Columbia, United States
$75-$80/hr HybridFull Time
Innodata
InnodataThe Nasdaq Stock Market LLC: INOD: Public data engineering providing AI training, evaluation, safety, and deployment services to technology companies and enterprises.
6+ YOEBachelor's in CS or related (or equivalent experience),6+ years experience (4+ in backend/API integration),strong Python backend skills,REST async integration,Databricks/Spark familiarity,JSON schema design,active Secret clearance with TS/SCI eligibility.
Databricks REST API, Databricks, Spark, Python, JSON, Duality, ServiceNow REST API, ZenML, React, REST API
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Backend Software Engineer
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$130k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Redefining modern defense with a multi-product portfolio.
U.S. Person status, ability to obtain and maintain a U.S. security clearance, and backend/cloud engineering experience with scalable systems, infrastructure, reliability, and operations.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React, CI/CD
1mo
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Sr. Backend Engineer (.NET Core)
Washington or Falls Church
RemoteFull Time
Data Society
Data Society: Private consulting and training firm delivering AI, data science, and workforce upskilling solutions to corporations and governments.
6+ YOE6+ years backend development with 4+ years .NET Core/C#, experience leading offshore teams, Azure SQL, Azure Service Bus, Azure API Management, CI/CD with Azure DevOps and Veracode, API and microservices design.
.NET Core, C#, Azure SQL, Azure Service Bus, Azure API Management (APIM), Azure DevOps, Veracode, React, Oracle Fusion Cloud, Claude Code, GitHub Copilot, Cursor
1mo
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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
2mo
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Backend AI engineer
Tysons, Virginia, United States
RemoteFull Time
Cav
Cav: Private cybersecurity software automating continuous compliance for government agencies, enterprises, and critical infrastructure.
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
1mo
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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
The Real Brokerage
The Real BrokerageTSXV: REAX: Real is a technology-enabled residential real estate brokerage serving agents, home buyers, and sellers.
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
3mo
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Backend Software Engineer - Saga
New York or Seattle or Arlington or Rosslyn
OnsiteFull Time
Rune Technologies
Rune Technologies: Logistics wins wars. Rune wins logistics.
4+ YOE4+ years backend software engineering; experience with GenAI systems, vector databases, LLM integrations, and evaluation harnesses; strong problem solving and ownership.
GenAI, vector databases, LLM integrations, RAG architectures, tool-call frameworks, production-grade software
4w
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Library Support Backend Developer
Beltsville, Maryland, United States
OnsiteFull Time
One Federal Solution
One Federal Solution: Professional services firm providing contract support to government agencies.
6+ YOE6+ years building enterprise database-driven applications; expert with Python, Django, GraphQL, REST, SQL Server/MySQL/PostgreSQL, Docker, Git; accessibility (Section 508/WCAG) experience required.
Python, Django, GraphQL, REST APIs, SQL Server, MySQL, PostgreSQL, Git, GitHub, Docker, Linux, HTML, XHTML, CSS
3mo
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Software Engineer - Backend (Cleared)
Minneapolis or Washington
$125k-$190k/yr HybridFull Time
Swoop Technologies
Swoop Technologies: Private defense-software building distributed operating systems for military and critical infrastructure.
3+ YOEActive US security clearance required; Bachelor’s in CS or related field; 3+ years backend development; proficient Python; Kubernetes experience; knowledge of software security standards.
Python, Kubernetes, Django, PostgreSQL, Solr, Rust
2mo
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Backend Developer (TS/SCI Required)
Alexandria, Virginia, United States
$150k-$190k/yr OnsiteFull Time
Accrete
Accrete: Private AI software licensing expert AI agents to government and enterprise customers for high-stakes decisions.
10+ YOE10+ years software development; 5+ years as software architect; TS/SCI with counterintelligence polygraph; Bachelor in CS; cloud experience (AWS/Azure/Google Cloud); Python; Go/Rust/Java; knowledge of auth, caching, and distributed systems.
Python, Go, Rust, C/C++, Java, Kubernetes, LDAP, SAML, OAuth, JWT, AWS, Azure, Google Cloud
2w
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Back End Developer
McLean or Fort Belvoir
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
Java enterprise development, Spring or Quarkus, Git, GitLab CI/CD, teamwork, Top Secret clearance, high school diploma/GED, and Security+ certification eligibility within 3 months.
Java, Spring, Quarkus, Git, GitLab CI/CD, Python, Bash, Docker, Kubernetes, Kafka Streams, Kafka, Spark, Neo4j, Advana, Data Catalogs, Extract, Transform, and Load (ETL)