3w
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Ruby on Rails 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-$142k/yr RemoteFull Time
2+ YOE2+ years Ruby on Rails full-stack experience, REST API design, JavaScript/React frontend, AWS (RDS, CloudWatch), CI/CD and Terraform, ability to obtain Public Trust clearance.
Ruby on Rails, JavaScript, React, AWS, CloudWatch, RDS, GitHub Actions, Terraform
2mo
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Senior Backend Engineer (Ruby on Rails/Python) - Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$217k/yr HybridFull Time
7+ YOE7+ years software engineering; experience with ingestion pipelines, ETL, and content processing; proficient in Ruby, Python, or Go; AWS and distributed workflows; strong DB design; effective communicator.
Ruby, Python, Go, AWS, SQL, NoSQL, ETL, LLM
2mo
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Cloud Software Engineer - TS/SCI w/ Poly
Herndon, Virginia, United States
$159k-$215k/yr OnsiteFull Time
10+ YOE10+ years in cloud-native software engineering; AWS; IaC; DevOps; Python/Java/C++/Ruby; TS/SCI with Poly; US citizenship.
AWS, CloudFormation, S3, RDS, EC2, ECS, Lambda, SQS, SNS, IaC, GitHub, Jenkins, Docker, Ansible, Python, Java, C++, Ruby
2mo
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Red Hat Linux Administrator
Arlington, Virginia, United States
OnsiteFull Time
3+ YOE3-5 years Red Hat Linux admin; strong RH; automation with Ansible/Puppet; scripting with Bash, Python, Ruby; PowerShell; team collaboration.
Red Hat Linux, Ansible, Puppet, Bash, Python, Ruby, PowerShell
2mo
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Staff Software Development Engineer - Tools Team
McLean, Virginia, United States
$183k-$215k/yr OnsiteFull Time
10+ YOE10+ years full-stack engineering; 1+ year LLM integration; 5+ years Ruby on Rails, Go, React/TypeScript; Bachelor's in CS or related field
Ruby on Rails, Go, React, TypeScript, PostgreSQL, Model Context Protocol, Claude, OpenAI, Google Vertex AI
2w
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Associate Delivery Consultant – AIML, Professional Services A2C Delivery
Arlington or Herndon
$98k-$160k/yr OnsiteFull Time
Bachelor's in CS/Engineering or equivalent, cloud architecture experience, proficiency in Java/Python/Ruby/Node.js/C#/C, AWS experience preferred; must be US citizen.
Java, Python, Ruby, Node.js, C#, C, AWS, Hadoop, Spark, Kafka, Kinesis
1w
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Front-End JavaScript Web Developer
Chantilly, Virginia, United States
$55k-$126k/yr OnsiteFull Time
5+ YOE5+ years software development experience, 2+ years JavaScript, TS/SCI with polygraph required, Bachelor's degree, EMR not required; experience with React and Ruby on Rails desirable.
JavaScript, React, Ruby on Rails
1w
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Front-End JavaScript Web Developer
Chantilly, Virginia, United States
$55k-$126k/yr OnsiteFull Time
5+ YOE5+ years software development, 2+ years JavaScript, active TS/SCI clearance with polygraph required, bachelor\u0002s degree, EMR not mentioned, React and Ruby on Rails desirable.
JavaScript, React, Ruby on Rails
2w
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Information Technology Specialist (Application Software)
Washington, District of Columbia, United States
OnsiteFull Time
1+ YOEDesign, develop, test, deploy, and maintain Ruby on Rails applications; work with RabbitMQ/AMQP, MongoDB, AWS EKS, APIs, TDD/BDD, accessibility standards; provide technical mentorship.
RabbitMQ, AMQP, MongoDB, AWS Elastic Kubernetes Service (EKS), Ruby on Rails, RESTful, SOAP/XML, RSpec, Cucumber, HTML5, CSS3, JavaScript (ES6+), dry-validation, dry-monads, dry-struct, dry-types, GitHub Actions, Git, Jira
2mo
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Mid-Level Cloud Administrator (Mid Shift)
Annapolis Junction, Maryland, United States
OnsiteFull Time
2+ YOE2+ years managing Hadoop clusters, multi-platform networks, NoSQL (Hadoop/Cloud), HDFS; certification required; scripting (Perl/Python/Ruby); TS/SCI with CI Poly clearance.
Hadoop, HDFS, HBase, Accumulo, NoSQL, Python, Perl, Ruby
2mo
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Data Scientist Lead
McLean, Virginia, United States
$176k-$282k/yr OnsiteFull Time
12+ YOE2+ MgmtActive TS/SCI with poly; BS/BA, 12+ years experience; strong data science with Python, R, Ruby; cross-organizational collaboration; strong project management and communication skills.
Python, R, Ruby
1mo
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Site Reliability Engineer
United States or Washington
$130k-$160k/yr RemoteFull Time
5+ YOEBachelor's in computer science or similar, 5+ years SRE or similar, programming in Golang/Ruby/Python, Kubernetes, cloud experience (Azure/AWS/GCP), observability tools, and incident management expertise.
Microsoft Azure Cloud Services, GitHub Actions, GitLab CI, Golang, Ruby, Python, Kubernetes, AWS, GCP, Datadog, OpsGenie, PagerDuty
1d
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Penetration Tester
Leesburg, Virginia, United States
$125k-$155k/yr RemoteFull Time
3+ YOE3+ years web and network penetration testing, 2+ years professional services, bachelor's degree or 4 years equivalent, proficiency with scripting (bash, python, PowerShell, ruby), and knowledge of security frameworks.
bash, python, PowerShell, ruby, OWASP, MITRE ATT&CK, OSSTMM, PTES
1w
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Linux Administrator - Secret Clearance Required
Falls Church, Virginia, United States
$128k-$173k/yr HybridFull Time
8+ YOE8+ years administering RHEL7/8 Linux servers, experience with Ansible/Puppet/Chef, scripting (Bash, Ruby, Python, Perl), PowerShell, STIGs and security practices; active Secret clearance required.
Linux, Red Hat Enterprise Linux (RHEL), Ansible, Puppet, Chef, Bash, Ruby, Python, Perl, PowerShell, STIG Manager, NFS, CIFS, SMB
1mo
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Data Scientist Lead - TS + CI Poly required to apply - No Virginia
Tysons, Virginia, United States
$195k-$205k/yr OnsiteFull Time
12+ YOEActive TS/SCI with polygraph, 12+ years relevant experience with BS/BA, proficiency in Python, R, Ruby, strong organizational and customer engagement skills, experience supporting the Intelligence Community preferred.
Python, R, Ruby
2w
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience, ownership of features from design to production, deep Ruby on Rails backend expertise, relational DB design, strong communication; React and Flutter experience preferred.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
2w
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Senior DevOps Automation Engineer
Arlington or United States
$120k-$173k/yr HybridFull Time
3+ YOE3+ years DevOps/automation/cloud experience; proficient in Python/Ruby/Go/Node.js/C#; CI/CD, config management, containerization, AWS/Azure experience; strong communication and critical thinking.
Python, Ruby, Go, Node.js, C#, GitLab, Jenkins, Bamboo, CircleCI, TravisCI, Bash, PowerShell, Ansible, Chef, Puppet, Packer, AWS, Azure, Docker, Kubernetes, Docker Swarm, Elastic Container Service
1d
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Sr Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Must be fully cleared with recent polygraph; experience with ServiceNow, JavaScript/Angular/.NET/Ruby on Rails, Oracle SQL, IBM Cognos/SPSS, cloud administration, DevSecOps, and Section 508/WCAG compliance.
ServiceNow, ServiceNow Service Portal, Update Sets, JavaScript, jQuery, AJAX, HTML, CSS, Angular, Ruby on Rails, .NET MVC, IBM Cognos, IBM SPSS Statistics, Oracle SQL, XML, Linux, Windows, Tableau, Microsoft Power BI
2w
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Senior Software Engineer
Baltimore, Maryland, United States
$140k-$160k/yr RemoteFull Time
5+ YOE5+ years software engineering experience; strong Ruby on Rails backend skills; product-minded; experience with React and Flutter, relational databases, security and reliability (HIPAA/SOC 2); strong communication.
Ruby on Rails, React, Flutter, AWS, ECS, RDS, S3
5d
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Automation Tester- Remote
Reston or United States
$67k-$115k/yr RemoteFull Time
3+ YOE3+ years testing experience, bachelor's degree, 2+ years with Appian/low-code automation, FitNesse/Ruby/JRuby, CI/CD, Jira/Xray, Git, and ability to obtain Public Trust.
Appian, FitNesse, Ruby, JRuby, Jenkins, Docker, Kubernetes, AWS, Jira, Xray, Git, GitHub, SQL, API