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
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
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
4w
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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
1mo
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Back End Software Engineer
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years in software development with Python; 5+ years in Agile and backend design; AWS (serverless, Lambda); RESTful APIs, microservices; SQL/NoSQL; TS/SCI with polygraph; HS diploma or GED.
Python, AWS, Docker, Kubernetes, FastAPI, React, Terraform, Terragrunt, SQL, NoSQL, REST, API, Lambda
1mo
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Back End Software Engineer
Chantilly, Virginia, United States
$87k-$198k/yr OnsiteFull Time
5+ YOE5+ years in software development with Python; AWS (serverless), RESTful APIs, microservices; SQL/NoSQL; TS/SCI with polygraph; HS diploma or GED.
Python, AWS, AWS Lambda, RESTful APIs, Microservices, SQL, NoSQL, Docker, Kubernetes, FastAPI, React
3d
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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++
3d
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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
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
3d
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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
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
1d
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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
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
4w
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Senior Developer - Generative AI Platform and Mission Support
Herndon, Virginia, United States
$146k-$234k/yr OnsiteFull Time
12+ YOESenior software developer with extensive production experience (min 12 years with BS), strong Python, cloud (AWS), containerization (Docker/Kubernetes), backend/API and data skills, CI/CD and Git, and US citizenship for Public Trust suitability.
Python, JavaScript, TypeScript, AWS, Docker, Kubernetes, PostgreSQL, SQL, Git, Rust, FastAPI, React, Terraform, CI/CD
3w
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Senior Software Engineer (Remote Sensing)
Arlington or Santa Barbara or Goleta or Reston
$155k-$185k/yr OnsiteFull Time
5+ YOEBachelor's in CS or related; 5+ years backend development (Python preferred); 3+ years building RESTful APIs; experience with aerospace/satellite operations, CI/CD, PostgreSQL, Kubernetes/Docker, AWS, and application security.
Python, RESTful APIs, PostgreSQL, Kubernetes, Docker, AWS, Swagger/OpenAPI, CI/CD
1mo
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Software Engineer Lead
Herndon or Columbia
OnsiteFull Time
4-6 years backend and frontend development; 6-8 years AWS/Linux; 2-3 years AI/ML; strong Python/Java; Agile; SQL/NoSQL; cloud and microservices; security clearance with polygraph; Docker/containers.
Python, Java, Angular, AWS, Linux, Docker, Kubernetes, ElasticSearch, Solr/Lucene, OpenSearch, SQL, NoSQL, Jira, Confluence, GitHub, ETL, PyTorch, Keras, TensorFlow, Tableau, Pandas, D3.js, Gensim, spaCy, NLTK, Stanford CoreNLP, OCR, BERT, NER
4d
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Senior Software Engineer, DBaas (US Federal)
Reston, Virginia, United States
$137k-$205k/yr HybridFull Time
6+ YOE6+ years building and operating cloud DBaaS (MySQL/Aurora/Postgres), backend development (Golang/Python/Java), cloud (AWS), Kubernetes/Docker, automation and DB HA/DR expertise; U.S. citizenship and ability to obtain TS/SCI may be required.
MySQL, PostgreSQL, CloudSQL, Aurora MySQL, RDS MySQL, Golang, Python, Java, AWS, Kubernetes, Docker, Terraform, Chef, Ansible, Ceph, Gluster, Orchestrator for MySQL, Percona MHA, Percona Galera, Vitess, Pure Storage
2w
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AI Model Developer
Fairfax or Ashburn
$125k-$150k/yr HybridFull Time
3+ YOEBachelor's degree in CS/AI/Data Science, US citizenship and ability to obtain Public Trust, 3+ years AI/ML and full-stack experience, strong Python and ML framework skills, backend/frontend and cloud/DevOps familiarity.
Python, NumPy, Pandas, scikit-learn, TensorFlow, PyTorch, Transformers, Django, Flask, FastAPI, React, Angular, Vue.js, PostgreSQL, MySQL, MongoDB, Redis, Docker, Kubernetes, CI/CD, AWS, Microsoft Azure, GCP, GitHub workflows, Matplotlib, Plotly, D3.js, GraphQL, JavaScript, TypeScript, Next.js, AWS Bedrock, GCP AI Platform, Microsoft Azure ML, GitHub Actions
1mo
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Full Stack Software Engineer
Herndon, Virginia, United States
$77k-$152k/yr OnsiteFull Time
3+ YOE3+ years developing Angular/TypeScript (including AngularJS→Angular migrations), RxJS expertise, SAFe/Agile experience, OGC geospatial standards, backend API experience (Java/Python), Security+ (or willingness), U.S. citizen with active TS/SCI and CI Polygraph.
Angular, AngularJS, TypeScript, RxJS, Java, Python, Docker, Kubernetes, OpenShift, CI/CD, WMS, WFS, Tile Services, SAFe
1w
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Data Integration Engineer (Systems Engineer, Sr)
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEU.S. eligibility for DoD clearance, STEM bachelor's or equivalent, 1+ years backend/data services experience, API design (REST/GraphQL), Python/C++/Rust, PostgreSQL/Neo4j/doc DBs, CI/CD and data/security fundamentals.
REST, GraphQL, Python, C++, Rust, PostgreSQL, Neo4j, gRPC, SOAP
2h
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Mid-Level Developer
Herndon, Virginia, United States
OnsiteFull Time
3+ YOE3+ years experience, bachelor’s degree, US citizenship, Public Trust clearance eligible; experience with modern front-end frameworks, backend languages, SQL, testing, CI/CD, and system design.
React, Vue.js, Angular, Java, JavaScript, Python, Go, PostgreSQL, SQL, RESTful, GraphQL, CI/CD
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