160 back end developer jobs at 78 companies in Towson, MD
4w
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Back End Developer
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
Experience with Java and back-end frameworks (Spring/Quarkus), Git/GitLab CI/CD, TS/SCI clearance required; HS diploma or GED required; ability to obtain Security+ within 6 months.
Java, Spring, Quarkus, Git, GitLab CI/CD, Extract, Transform, and Load (ETL), Docker, Kubernetes, Python, Bash, Kafka Streams, Kafka, Spark, Neo4j, Advana
2w
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Back-End Developer, Senior
Washington, District of Columbia, United States
$170k-$190k/yr RemoteFull Time
7+ YOEBachelor's in Computer Science or related, Public Trust clearance, 7+ years back-end development (3+ years senior), experience with Java/Node.js/Python, AWS, Docker/Kubernetes, CI/CD tools, and federal security standards.
Jenkins, GitHub Actions, SonarQube, Git, NexusIQ, Selenium, AppDynamics, Docker, Podman, Kubernetes, AWS, Java, Node.js, Python
1w
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Backend Developer
Bethesda, Maryland, United States
$110k-$115k/yr OnsiteFull Time
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
3mo
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Back-End Developer
McLean, Virginia, United States
$87k-$198k/yr OnsiteFull Time
3+ YOE3+ years in software development; experience with Java and Docker; TS/SCI clearance; associate or bachelor’s degree with software engineering experience
Java, Docker
2mo
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Back End Developer
Washington, District of Columbia, United States
OnsiteFull Time
4+ YOE4+ years in full stack/developer roles; strong Ruby on Rails; frontend with Vue/React/TypeScript; RESTful and GraphQL APIs; databases PostgreSQL/MySQL/MongoDB/DynamoDB; AWS; CI/CD; healthcare data security knowledge.
Ruby, Ruby on Rails, VueJS, ReactJS, TypeScript, BlueprintJS, TailwindCSS, Bootstrap, RESTful APIs, GraphQL, PostgreSQL, MySQL, MongoDB, DynamoDB, Salesforce, Stripe, Authorize.net, Git, CI/CD, AWS
6d
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Backend Developer - Contingent
United States or McLean
RemoteFull Time
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
6d
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Backend Engineer
Washington, District of Columbia, United States
$121k-$165k/yr OnsiteFull Time
5+ YOE5+ years building production backend systems and APIs; strong skills in backend languages; experience with databases, cloud (AWS preferred), CI/CD, testing, security, and reliability.
Python, Go, Java, TypeScript, AWS, CI/CD, NOS
2mo
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Mid Backend Developer
Vienna, Virginia, United States
OnsiteFull Time
3+ YOEBachelor’s in CS/engineering/GIS or related field; 3+ years backend experience; TS/SCI with SCI eligibility; strong Python/Node.js/Java skills and REST APIs.
Node.js, Python, ArcGIS, Docker, Kubernetes
1w
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Backend Developer - Remote
Washington or United States
RemoteFull Time
US citizens only. Strong Ruby on Rails experience, OOP and design patterns, ETL/data transformation, relational databases (PostgreSQL/MySQL), RESTful APIs, Git, strong problem-solving and communication skills.
Ruby on Rails, PostgreSQL, MySQL, Git, Sidekiq, Resque, AWS, Azure, Google Cloud, Docker, CI/CD
17h
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Java Python backend Developer
Phoenix or Plano or Raleigh or Reston or Richardson
OnsiteFull Time
Proven backend development experience with Java and Python, Spring Boot, microservices, GitLab, Terraform, PostgreSQL; bachelor\u0002s or equivalent; ability to work across SDLC and collaborate with cross-functional teams.
Java, Python, Spring Boot, microservices, GitLab, Terraform, PostgreSQL, AWS, Continuous integration (CI/CD), SQL
3w
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Back-End Software Developer
Arlington, Virginia, United States
$120k-$160k/yr OnsiteFull Time
U.S. citizen with active Secret clearance; experience with C#/.NET Core or .NET Framework, PL/SQL, API development, RESTful services, Git/Gitlab, and enterprise application delivery in Agile environments.
Microsoft .NET Core, Microsoft .NET Framework, C#, PL/SQL, Git, Gitlab, REST API, JWT, Docker, CI/CD
2mo
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Backend Software Developer
Springfield or Vienna or St. Louis
OnsiteFull Time
2+ YOE2+ years backend development; Node.js, Python/Java; REST APIs; ArcGIS Enterprise; Docker/Kubernetes; on-site; Top Secret clearance.
Node.js, Python, Java, ArcGIS Enterprise, Docker, Kubernetes, REST APIs, PostgreSQL, PostGIS, SQL Server
1mo
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Backend Software Developer
Annapolis Junction, Maryland, United States
$166k-$222k/yr HybridFull Time
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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Senior Backend Engineer
Columbia, Maryland, United States
$100k-$120k/yr HybridFull Time
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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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
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
1mo
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Senior Engineer, Backend
Washington, District of Columbia, United States
HybridFull Time
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
1w
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Senior Backend Developer (Java / Integrations)
Falls Church, Virginia, United States
$90k-$150k/yr HybridFull Time
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
3w
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Back-End Software Developer
Arlington, Virginia, United States
OnsiteFull Time
U.S. citizen with active Secret clearance; proven API development using C#/.NET Core or .Net Framework; PL/SQL and relational DB experience; REST/JWT, Git/GitLab, Docker, CI/CD; enterprise application development in Agile.
C#, .NET Core, .Net Framework, PL/SQL, SQL, Git, GitLab, REST, JWT, Docker, CI/CD, VB.NET
5d
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Library Support Backend Developer
Beltsville, Maryland, United States
OnsiteFull Time
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
2mo
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Backend Developer (TS/SCI Required)
Alexandria, Virginia, United States
$150k-$190k/yr OnsiteFull Time
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
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