5d
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Back-End Developer
Springfield, Virginia, United States
$100k-$145k/yr OnsiteFull Time
8+ YOEBachelor's degree,8+ years back-end experience,active DoD clearance (Top Secret/SCI),expertise in server-side languages,APIs,databases,security practices for classified environments.
Python, Java, C#, Ruby, Docker, Kubernetes, Django, Spring, .NET, MongoDB, Cassandra, REST, GraphQL, AWS, Azure, GCP, Node.js, PostgreSQL, MySQL, Kafka, RabbitMQ, Redis, Memcached, Terraform, Ansible, AWS Lambda, Azure Functions
3w
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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
2mo
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Sr Backend Developer
Herndon, Virginia, United States
RemoteFull Time
7+ YOEBachelor's degree, U.S. citizenship with Public Trust eligibility, 7+ years back-end development (3+ years senior/lead), AWS/Kubernetes experience, CI/CD (Jenkins/GitHub Actions), and tools such as Git, SonarQube, NexusIQ, Selenium, AppDynamics.
AWS, Kubernetes, Jenkins, GitHub Actions, SonarQube, NexusIQ, Selenium, AppDynamics, Git, NIST 800-53, FISMA, FedRAMP, IRS Publication 4812
1w
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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
6d
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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
4d
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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
3w
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Service Desk Back End Support
McLean, Virginia, United States
OnsiteFull Time
5+ YOETier 2/back-end IT support experience; 5+ years service desk experience or equivalent, Bachelor's degree or equivalent experience; Windows, Active Directory, Microsoft 365/Intune, strong customer and communication skills.
Service Now, Windows 10, Windows 11, Active Directory, Microsoft Office, Microsoft Teams, Microsoft O365, Microsoft Intune, Microsoft Azure, SharePoint, OneDrive, iPhone, Android, Surface Hub, Owl
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
3w
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Back End Associate
New Carrollton, Maryland, United States
OnsitePart Time
High school diploma or equivalent, age 18+, ability to lift up to 50 lbs, perform repetitive physical tasks, basic math and cash handling, effective communication, able to work nights/weekends/holidays, familiar with POS/Kronos.
POS Software and Equipment, Kronos, scanning ticketing gun, price ticket fastener gun, Calculator
1w
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Back End Developer
Fort Belvoir, Virginia, United States
$185k-$220k/yr OnsiteFull Time
8+ YOETop Secret/SCI eligibility with CI Polygraph, Bachelor’s in CS or related, 8+ years backend experience, proficiency with server-side languages, databases, APIs, cloud, containers, and classified-environment security.
Python, Java, C#, Ruby, Node.js, PostgreSQL, MySQL, MongoDB, Cassandra, REST, GraphQL, AWS, Azure, GCP, Docker, Kubernetes, Django, Spring, .NET, Kafka, RabbitMQ, Redis, Memcached, Terraform, Ansible, AWS Lambda, Azure Functions
4w
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Back End Developer
McLean or Fort Belvoir
$87k-$198k/yr OnsiteFull Time
Experience building enterprise Java applications; familiarity with Spring or Quarkus, Git and GitLab CI/CD; TS/SCI clearance required; ability to obtain Security+ within 6 months; HS diploma or GED required.
Java, Spring, Quarkus, Git, GitLab CI/CD, Docker, Kubernetes, Python, Bash, Kafka Streams, Neo4j, Kafka, Spark, Advana
2mo
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Senior Backend Developer
Vienna, Virginia, United States
OnsiteFull Time
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
4d
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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
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
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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Back End Developer (HYBRID)
Annapolis Junction, Maryland, United States
$129k-$206k/yr HybridFull Time
7+ YOEActive TS/SCI clearance with Polygraph, 7+ years technical experience, Bachelor's in Computer Science (or 4 additional years' experience), strong Python/Java/C++, PostgreSQL/SQL, AWS, Git, and Agile experience.
Python, Java, C++, PostgreSQL, SQL, Amazon Web Services (AWS), API Gateway, AWS Lambda, Git, Jira, Confluence
1w
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Back End Developer (Mid)
Fort Belvoir, Virginia, United States
HybridFull Time
7+ YOEBachelor's degree, Top Secret/SCI clearance, 7+ years development experience with backend, cloud, CI/CD, databases, and integrations; proficiency with AWS, Kubernetes, Jenkins, GitLab, and Jira.
Jira, AWS Infrastructure, Kubernetes, RedHat Linux, Jenkins, GitLab, Postgres, RDS, Exodus, Python, Luna, Java, Docker, OpenJDK, Ansible, Packer, Maven, Sketch, InVision
1mo
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Back-End Developer – Remote
Falls Church or Virginia
RemoteContract
Strong experience building scalable RESTful APIs and serverless applications in AWS using Node.js or Python; familiarity with API Gateway, Lambda, DynamoDB, PostgreSQL, Cognito, S3, CI/CD and infrastructure-as-code.
Node.js, Python, AWS Lambda, API Gateway, DynamoDB, PostgreSQL, Cognito, S3, CloudFormation, Terraform, CDK, OIDC (OAuth2), JWT, SonarQube, CloudWatch, X-Ray, Java, SQL Server
2mo
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Federal Back-End Engineer
Washington or United States
RemoteFull Time
7+ YOEBachelor's in CS or related,7+ years software engineering,expert SQL,cloud (AWS/Azure/GCP),Docker/Kubernetes,GraphQL/ETL experience,ability to obtain/maintain TS clearance.
ETL, GraphQL, Python, Java, Go, Scala, C++, TypeScript, AWS, Azure, GCP, Docker, Kubernetes, SQL, PostgreSQL, Neo4j
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