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
1mo
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Ruby On Rails Developer
Chester, Pennsylvania, United States
HybridFull Time
2+ YOE2+ years full-stack development experience (Rails preferred), agile experience, automation/integration testing, strong communication and mentoring skills.
React, Bootstrap, GraphQL, Ruby, Python, Ruby on Rails, Rails, Java, MySQL, PostgreSQL, Scrum, Git, Docker, Kubernetes, Jenkins
1mo
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Senior Ruby on Rails Engineer, (Senior 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
$121k-$140k/yr RemoteFull Time
5+ YOE5+ years Ruby on Rails experience, proficiency with frontend frameworks (React/JS/TS), RESTful APIs, Sidekiq, strong OO design, accessibility knowledge, ability to obtain Public Trust clearance, bachelor's degree or equivalent experience.
Ruby on Rails, React, JavaScript, TypeScript, HTML5, CSS3, Sidekiq, RESTful APIs, OAuth, SSO
2d
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DevOps Engineer, Application Support
New Castle, Delaware, United States
$76k-$106k/yr HybridFull Time
2+ YOE2+ years DevOps or software engineering experience on Linux, scripting experience (Python/Java/Perl/Ruby), YAML CI/CD pipelines, WebLogic, SQL, and bachelor's degree or equivalent experience.
Linux, Python, Java, Perl, Ruby, YAML, WebLogic, SQL, CI/CD, Terraform, CloudFormation, Microsoft Azure
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 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
2w
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Backend Software Developer
Wayne, Pennsylvania, United States
HybridFull Time
Experience building backend services and APIs using Ruby/Rails, Python or NodeJS; familiarity with databases, integrations (SFTP/FTP, OAuth2, OIDC), security (TLS, SSH), Linux/Docker, testing and API tools.
Ruby, Ruby on Rails, Python, NodeJS, SFTP, FTP, OAuth2, OIDC, TLS, SSH, Postgresql, Mysql, MariaDB, rSpec, Postman, Linux, Docker, ReactJS, NewRelic, AWS, CI/CD
2mo
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Mid-Level Cloud Administrator
Annapolis Junction, Maryland, United States
OnsiteFull Time
2+ YOEActive TS/SCI with Poly; 2+ yrs Hadoop cluster mgmt; 2+ yrs multi-platform networks; 2+ yrs UNIX/Linux; NoSQL/analytical platforms; HDFS experience; Hadoop/Cloud Admin certification; 2+ yrs scripting (Perl/Python/Ruby); Bachelor's degree in a technical field.
Hadoop, HDFS, Hbase, Accumulo, BigTable, CloudBase, UNIX, Linux, Perl, Python, Ruby, CISCO
1w
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Junior Penetration Tester - Cyber Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr OnsiteFull Time
3+ YOEActive Secret clearance, Bachelor's degree plus 3 years relevant experience, Linux, networking, virtualization and containerization familiarity, OWASP and penetration testing knowledge, experience with nmap/Wireshark/Burp Suite/Nessus, 1-2 years exploitation experience.
nmap, Wireshark, Burp Suite, Nessus, Bash, Python, Perl, Ruby
1w
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Penetration Tester - Cyber Engineer
Aberdeen Proving Ground, Maryland, United States
$90k-$190k/yr OnsiteFull Time
5+ YOEActive Secret clearance, bachelor’s degree with 5 years relevant experience, professional penetration testing/threat-hunting experience, proficiency with common pentest tools and Linux, exploitation expertise.
nmap, Wireshark, Burp Suite, Nessus, Linux, Bash, Python, Perl, Ruby, Android
2w
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Sr. Backend Software Engineer (NodeJS)
United States or Minneapolis or Philadelphia or New Hartford or Austin or Champaign or Chicago
$140k-$160k/yr RemoteFull Time
8+ YOEExpertise in Node.js/Typescript and PostgreSQL, 8+ years backend experience with distributed systems, GraphQL, TypeORM, Nest.js; familiarity with Kubernetes, message brokers, AWS, Terraform.
Typescript, NodeJS, Ruby, Rails, PostgreSQL, GraphQL, TypeORM, Nest.js, RabbitMQ, RMQ, React, AWS, Terraform, Helm, Kubernetes, EKS, Microsoft Teams
3w
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Data Engineering Manager (Remote)
Baltimore, Maryland, United States
$137k-$254k/yr RemoteFull Time
5+ YOE1+ MgmtManage and lead data engineering team building scalable batch and real-time data pipelines; 5+ years related experience, 1+ year supervisory, bachelor\u0002s degree or equivalent experience, strong SQL/Python skills, Snowflake and Azure tool experience.
Snowflake, Microsoft Azure Data Factory, Informatica IICS, Microsoft Azure DevOps, CI-CD, SQL, Python, R, Ruby, Java
1mo
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Business Process Red Team Operator
Ohio or Columbus or Wilmington or New York or Plano or Jersey City
OnsiteFull Time
5+ YOE5+ years in cybersecurity or resiliency; experience with offensive security, social engineering, penetration testing, business-process assessments; knowledge of networking, OSes, attack methodologies, assessment frameworks (OWASP/NIST); strong communication and report-writing.
OWASP Top Ten, NIST Cybersecurity Framework, Cobalt Strike, Metasploit, Nmap, Nessus, Burp Suite, Ruby, Python, Perl, C, C++, C#, Java, IDS/IPS, DLP, web proxies, firewalls