PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
1mo
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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
3mo
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Backend Developer, Data Platform
Reston, Virginia, United States
$113k-$188k/yr HybridFull Time
5+ YOE5+ years backend software engineering; strong Python; PostgreSQL; Elasticsearch; AWS (S3, RDS); TS/SCI clearance with CI polygraph; Bachelor's in CS/Systems Eng or equivalent; strong debugging and CI/CD skills.
Python, PostgreSQL, Elasticsearch, AWS, S3, RDS, Docker, OpenShift, Helm, Gitlab CI, CI/CD
1mo
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Senior Backend Developer, Data Platform
Reston, Virginia, United States
$137k-$200k/yr HybridFull Time
10+ YOEU.S. citizenship and active TS/SCI with CI polygraph required. 10+ years backend engineering experience, strong Python, PostgreSQL, Elasticsearch, AWS (S3, RDS), CI/CD, distributed systems, and bachelor's degree in CS or related field.
Python, PostgreSQL, Elasticsearch, AWS, S3, RDS, GitLab, GitLab CI, OpenShift, Helm, Docker, CI/CD
3mo
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Backend Java Engineer - Clearance Required
Herndon or Chantilly
OnsiteFull Time
Backend Java experience, Spring or Spring Boot, CI/CD, AWS CodeBuild/Jenkins/GitHub Actions, REST APIs, containerization, and data platform integration.
Java, Spring, Spring Boot, CI/CD, AWS, CodeBuild, Jenkins, GitLab CI, GitHub Actions, REST, HTTP, DevSecOps, Terraform, OpenSearch / Elasticsearch / Solr, Kubernetes, Docker
2mo
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Joomla Backend Developer
Chantilly, Virginia, United States
$55k-$126k/yr HybridFull Time
3+ YOE3+ years experience with an OOP language; Linux server maintenance; AWS environments; PHP/Joomla; MySQL; TS/SCI with polygraph; Bachelor's degree or 5+ years of systems administration in lieu of a degree.
PHP, MySQL, Joomla, Linux, AWS, HTML5, CSS3, JavaScript, APIs
2mo
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Joomla Backend Developer
Chantilly, Virginia, United States
$55k-$126k/yr OnsiteFull Time
3+ YOE3+ years in an OOP language; Linux server maintenance; AWS; MySQL; HTML/CSS/JS; PHP; Joomla CMS; TS/SCI with polygraph; Bachelor’s or 3+ years sys admin experience.
PHP, Joomla CMS, MySQL, Linux, HTML5, CSS3, JavaScript, AWS
1mo
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Java Backend Developer Senior
Ashburn, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's in CS or related field; 9+ years Java development; JavaEE, Spring, Spring Boot; AWS, Docker, Kubernetes; Kafka/SQS/Kinesis; NoSQL; REST/GraphQL; CI/CD tools; on-site Ashburn, VA; US citizenship with CBP background.
Java, JavaEE, Spring, Spring Boot, AWS, Docker, Kubernetes, Kafka, SQS, Kinesis, NoSQL, MongoDB, DocumentDB, Cassandra, XML, JSON, Unix/Linux, JPA/Hibernate, REST, GraphQL, Jenkins, Maven, Gitlab, Jira, Dynatrace, Harness
1mo
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Java Backend Developer Senior
Ashburn, Virginia, United States
OnsiteFull Time
9+ YOEBachelor's degree in computer science or related field; 9+ years Java experience; strong Java/JEE, Spring, Spring Boot; experience with Docker/Kubernetes, AWS; SQL/NoSQL, REST/GraphQL; CI/CD tools; Agile familiarity; US citizenship and public trust eligibility.
Java, JavaEE, Spring, Spring Boot, Docker, Kubernetes, AWS, WebLogic, Maven, Artifactory, Jenkins, GitLab, Jira, JPA/Hibernate, SQL, Oracle, NoSQL, Kafka, SQS, Kinesis, XML, JSON, GraphQL, Unix/Linux
2mo
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Contract Software Engineer I - Backend (Reston, VA, US, 20190)
Reston, Virginia, United States
OnsiteContract, Full Time
2+ YOE2+ years backend software development in Java; Spring Boot; REST APIs; Postgres or MongoDB; Bachelor's in CS/Engineering or equivalent.
4d
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SharePoint Engineer (Back End) - TS/SCI w/Polygraph
Annapolis Junction or Sterling
$147k-$199k/yr OnsiteFull Time
8+ YOEActive TS/SCI with polygraph, DoD 8570 IAT Level II cert, 8+ years related experience, SharePoint on-prem and Online experience, PowerApps/Power Automate, back-end programming experience, systems engineering skills.
SharePoint, SharePoint Online, PowerApps, Power Automate, PowerShell, Python, JavaScript, Java, Perl, Ruby, C++
4d
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SharePoint Engineer (Back End) - TS/SCI w/Polygraph
Annapolis Junction or Sterling
$147k-$199k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOEActive TS/SCI with polygraph, DoD 8570 IAT Level II cert, Bachelor’s +8 years (or equivalent), SharePoint Online/on-prem, PowerApps/Power Automate, PowerShell, back-end programming experience.
SharePoint, PowerApps, Power Automate, PowerShell, Python, JavaScript, Java, Perl, Ruby, C++, Microsoft Azure, Microsoft 365
1w
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Technology Consultant 2
Plano or Richardson or Raleigh or Reston or Tempe
OnsiteFull Time
Experience with Java and Spring Boot, REST APIs, microservices, cloud (AWS), databases (SQL Server/Oracle/MongoDB); bachelor's degree or equivalent experience; US work authorization without sponsorship; willingness to relocate or travel as needed.
Java, Core Java, Java 8, Spring Boot, Microservices, AWS, REST, Kafka, MQ, OpenShift, Spring Security, JPA, XML, XSLT, JAXB, JAXP, MVC, JUnit, SQL Server, Oracle, MongoDB
2mo
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Software Engineer
Herndon or Potomac
OnsiteFull Time
Full stack developer with backend focus; Solr/Elasticsearch, Lucene, big data tools, Java backend, and security clearance requirements.
Solr, Elasticsearch, Lucene, Hadoop, PySpark, Spark, HBase, Java, AWS, Jira, GitHub
2w
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Software Engineer
Herndon or McLean or Chantilly
OnsiteFull Time
Proficiency with modern front-end JavaScript frameworks or backend languages, microservices architecture, AWS cloud development, SQL and NoSQL databases, and RESTful API development.
React, Angular, Vue.js, Java, Python, NestJS, NodeJS, TypeScript, React Query, AWS, Lambda, DynamoDB, S3, API Gateway, PostgreSQL, MySQL, MongoDB, RESTful APIs, Camunda, Flowable, n8n.io, JIRA, Confluence, CI/CD
2mo
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Full Stack Developer
Herndon or Chantilly
$190k-$250k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, frontend (React/Angular/JS/TS/HTML/CSS) and backend (Java/Python/Node.js) experience, API development, Git, and Agile.
React, Angular, JavaScript, TypeScript, HTML, CSS, Java, Python, Node.js, Git, AWS, Azure, Docker, Kubernetes, CI/CD, DevOps
4d
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Software Engineer Level 4
Reston, Virginia, United States
OnsiteFull Time
Active TS/SCI with CI Polygraph; backend development, data engineering, API development; proficiency with Python, FastAPI, PostgreSQL, and Elasticsearch; experience with scalable, high-volume systems.
Python, FastAPI, PostgreSQL, Elasticsearch
2d
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Full Stack Developer
Sterling, Virginia, United States
$122k-$253k/yr OnsiteFull Time
Experienced full-stack developer with Angular and Java/ Spring backend experience, AWS application support, TS/SCI with Polygraph required day one, bachelor\u0002s in a relevant field.
Angular, JavaScript, TypeScript, HTML, CSS, Java 8+, SpringBoot, Spring Framework, RESTful APIs, AWS, JIRA, Github, SQL, D3, GraphQL, Jenkins, Linux, AWS Services
2mo
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Senior Software Engineer
Herndon, Virginia, United States
OnsiteFull Time
5+ YOE5+ years backend development, TS/SCI clearance, US citizenship, Python/JavaScript, Linux, AWS, Kubernetes, Docker, SQL.
Python, JavaScript, Docker, Kubernetes, AWS, Git, Linux, SQL
3mo
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Principal Application Engineer
Frederick, Maryland, United States
$145k-$199k/yr RemoteFull Time
10+ YOE10+ years in software design/development; backend services; strong C#/.NET; distributed systems; DevOps; cloud (Azure); agile; leadership potential.
C#, NET, SQL, Entity Framework, HTML, CSS, TypeScript, JavaScript, Jira, Confluence, Git, Docker, Kubernetes, Azure, AWS, GCP
2d
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Senior Full-Stack Developer
Reston, Virginia, United States
OnsiteFull Time
7+ YOE7+ years building full-stack apps with modern JavaScript/TypeScript front ends, a mainstream backend (Node.js, Python, Java, .NET), relational databases, system integrations, secure development, and offline-resilient designs.
JavaScript, TypeScript, Node.js, Python, Java, .NET, ASYCUDA, SYDONIA, ETL, ELT, CI/CD
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