1w
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Lead Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, HTTP Protocol, AWS)
McLean or Plano or Richmond
$179k-$225k/yr OnsiteFull Time
4+ YOEBachelor's degree and >=4 years software engineering experience; cloud experience (AWS/Azure/GCP); experience with Java/Python/Go and cloud security; familiarity with AI-assisted tooling and on-call incident response.
Java, Python, Go, REST, GraphQL, WAF, HTTP, AWS, AWS Lambda, DynamoDB, Application Load Balancers, Scala, Node.js, Microsoft Azure, Google Cloud, AI
2mo
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Senior Software Engineer
United States or Spain or Arizona or Arkansas or California or Connecticut or Florida or Georgia or Idaho or Illinois or Maine or Massachusetts or Michigan or Missouri or Nevada or New Hampshire or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Utah or Vermont or Virginia or Washington or Wisconsin
RemoteFull Time
7+ YOE7+ years full-stack experience with React and Python/Flask, designing REST/GraphQL APIs, SQLAlchemy ORM, Celery, SaaS experience, and AI/LLM integrations.
Python, Flask, React, REST, GraphQL, SQLAlchemy, Celery, React Native, LLM
2mo
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Full Stack Developer
Crystal City, Virginia, United States
HybridFull Time
6+ YOEObtain Public Trust Level 6; 6 years IA experience; Java/Spring Boot, Python, React, AWS, RHEL, REST/GraphQL, security practices.
Java, Spring Boot, Python, Microservices, XML, JSON, Camel, GraphQL, JavaScript, React, HTML/CSS, RHEL, AWS, Git, Jenkins, Terraform
3d
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Data Engineer
Arlington or San Diego
$62k-$141k/yr OnsiteFull Time
2+ YOE2+ years data engineering or pipeline development; ETL and cloud/on-prem experience; Git/Atlassian, Python, SQL/GraphQL, Linux/Windows; ability to obtain Secret clearance; Bachelor's degree.
Git, Atlassian, Python, SQL, GraphQL, Linux, Windows, AWS EMR, Redshift, SageMaker, Databricks, SQL Data Warehouse, Apache Spark, NVIDIA CUDA, Terraform, CloudFormation
3w
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.NET Services Engineer
McLean or United States
RemoteFull Time
8+ YOE8+ years software development experience with ASP.NET/Core and C#; experience with GraphQL, PostgreSQL, EFCore, Azure, Kubernetes, Azure DevOps, and unit testing; U.S. citizenship and Public Trust eligibility required.
C#, .NET, ASP.NET Core, Entity Framework Core (EFCore), PostgreSQL, GraphQL, Azure, AKS, Azure Pipelines, Azure Key Vault, Kubernetes, Helm, Open Telemetry, Azure DevOps (ADO), Git
3d
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Data Engineer
Arlington, Virginia, United States
$62k-$141k/yr OnsiteFull Time
2+ YOE2+ years data engineering experience, ETL and pipeline development, source control (Git/Atlassian), Python, SQL/GraphQL, Linux/Windows scripting, bachelor\u0002s degree, ability to obtain Secret clearance.
Git, Atlassian, Python, SQL, GraphQL, Linux, Windows, AWS EMR, Redshift, SageMaker, Databricks, SQL Data Warehouse, Apache Spark, NVIDIA CUDA, Terraform, CloudFormation
1mo
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Senior Software Engineer, Elixir
Arkansas or Arizona or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Kentucky or Maryland or Michigan or Minnesota or Missouri or North Carolina or New Hampshire or Oklahoma or Oregon or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin
RemoteFull Time
5+ YOE5+ years developing Elixir/Erlang applications, bachelor's degree or equivalent experience, experience with GraphQL, GCP, PostgreSQL, Stripe, observability tools, Git, CI/CD, and strong communication and problem-solving skills.
Elixir, Erlang, Rust, React, Typescript, GraphQL, Stripe, CI/CD, Google Cloud Platform (GCP), PostgreSQL, Prometheus, Grafana, Git
2w
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Manager, Engineering
Tysons Corner, Virginia, United States
$180k-$215k/yr HybridFull Time
12+ YOE4+ MgmtBachelor's in CS/Engineering or equivalent, 12+ years software engineering, 4+ years people management, hands-on technical leadership, AI tooling fluency, experience with distributed systems, REST/GraphQL, and cloud (AWS).
TypeScript, JavaScript, React, Java, REST, GraphQL, AWS, CI/CD, LLM
1mo
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Principal Software Engineer
New York City or Richmond
OnsiteFull Time
10+ YOE10+ years software development experience; expertise in TypeScript, React, React Native, Flutter, GraphQL, Node.js, Next.js, Swift, Kotlin; experience with PostgreSQL/MongoDB, CI/CD, and platform architecture; bachelor’s degree or equivalent.
TypeScript, React, React Native, Flutter, GraphQL, Node.js, Next.js, Swift, Kotlin, PostgreSQL, MongoDB, CI/CD
3w
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Lead Knowledge Graph Engineer (All levels Software Engineer)
Chantilly, Virginia, United States
OnsiteFull Time
1+ YOEDesign and scale knowledge‑graph infrastructure; build high‑throughput backend services in Python/C++/Rust; API design (REST/GraphQL/gRPC); PostgreSQL and Neo4j experience; security eligibility for U.S. government clearances.
Python, C++, Rust, REST, GraphQL, gRPC, PostgreSQL, Neo4j, SOAP
3mo
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Sr. Full Stack Developer
Crystal City or Virginia
$100k-$150k/yr HybridFull Time
7+ YOE7+ years in Agile software development; U.S. Citizenship with ability to obtain DHS 6C Public Trust; Bachelor’s in Computer Science or equivalent; strong React, Java/Spring, REST/GraphQL, AWS, Terraform, Kubernetes/OpenShift.
React, JavaScript, CSS, Java, Spring, Spring Boot, REST, GraphQL, AWS, JPA/JDBC, Terraform, Kubernetes/OpenShift
1w
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Security Automation (SOAR) Engineer
Reston, Virginia, United States
OnsiteFull Time
8+ YOEActive TS/SCI with CI Polygraph, bachelor’s degree,8+ years experience, IAT Level II and CSSP certifications, SOAR playbook automation, Python/JavaScript/TypeScript, SQL/GraphQL, REST API and webhook integration.
SQL, GraphQL, Python, JavaScript, TypeScript, ChatGPT, Grok, Claude, Claude Code, Codex, REST API, webhook
1mo
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Front End Software Developer - TS/SCI with Polygraph
McLean, Virginia, United States
$162k-$219k/yr OnsiteFull Time
8+ YOETS/SCI with Polygraph and US citizenship required; 8+ years experience; strong JavaScript (ES6+), React or Lit, Java, Bootstrap, REST/GraphQL, Git; experience with frontend testing (Playwright/Jest/Mocha/Cypress) and Lean Agile.
JavaScript, ES6, React, Lit, Java, Bootstrap, RESTful APIs, GraphQL, Git, Playwright, Jest, Mocha, Cypress, Lean Agile
1mo
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Lead Technical Architect – Cloud Modernization (AWS)
Rockville or Bethesda or McLean
$170k-$180k/yr HybridFull Time
10+ YOEAbility to obtain Public Trust clearance; Bachelor's in CS/IS/Engineering; 10+ years enterprise software experience, 5+ years AWS architecture; experience with Oracle-to-PostgreSQL migration, microservices, GraphQL, Kubernetes, Docker, Terraform/CloudFormation, and DevSecOps.
AWS, PostgreSQL, RDS PostgreSQL, Oracle, GraphQL Federation, GraphQL, React, TypeScript, Node.js, Kubernetes, Docker, EKS, IAM, Route 53, CloudWatch, Secrets Manager, Terraform, CloudFormation, CI/CD, NIST 800-53, FedRAMP, FISMA, AI/ML
3w
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Sales Engineer, Matterport - Arlington, VA
Arlington, Virginia, United States
$125k-$177k/yr OnsiteFull Time
5+ YOEBachelor's degree, 5+ years supporting B2B SaaS in pre-sales or technical support, expertise with APIs/SDKs, JavaScript and GraphQL, cloud security (AWS, SAML, OAuth), strong executive communication, ability to travel up to 50%.
APIs, SDKs, JavaScript, GraphQL, AWS, SAML, OAuth, Autodesk, SketchUp, Procore, PlanGrid, Unity, Unreal Engine
1mo
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Software Integration Engineer
Warrenton or Fort Eisenhower or Centennial or Augusta
$150k-$200k/yr OnsiteSeasonal
8+ YOEU.S. citizen with active TS/SCI, Bachelor's in CS/IS/Software Engineering, minimum 8 years relevant experience, end-to-end API/integration ownership, experience with REST/SOAP/GraphQL and Kafka/Azure Service Bus/SQS.
APIs, REST, SOAP, GraphQL, Kafka, Azure Service Bus, SQS
1w
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Software Development Engineer
Philadelphia or Reston
OnsiteFull Time
5+ YOE5+ years building and operating distributed backend systems, experience with GraphQL/REST APIs, Python/Go/Java/C++, relational or NoSQL databases, containerized deployments and CI/CD; Bachelor's preferred; must be authorized to work in the US (no sponsorship).
GraphQL, REST, PostgreSQL, Python, Go, Java, C++, Docker, Kubernetes, MLOps, CI/CD
1mo
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Software Development Engineer in Test
Alexandria, Virginia, United States
OnsiteFull Time
3+ YOE3+ years SDET/QA experience; experience with Python or Rust, REST/GraphQL APIs, Linux (RHEL/Rocky), Docker; familiarity with RF/SDR systems and field testing; US citizenship and ability to obtain security clearance; <25% travel.
Python, Rust, REST, GraphQL, Linux, RHEL, Rocky, Docker, Jira, Gitlab, NVIDIA CUDA, SDR
3w
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Sales Engineer, Matterport - Arlington, VA
Arlington, Virginia, United States
$125k-$177k/yr OnsiteFull Time
5+ YOEBachelor's degree required; 5+ years in B2B SaaS pre-sales or technical support; experience with APIs/SDKs, JavaScript and GraphQL; cloud/security (AWS, SAML, OAuth); travel up to 50%; valid driver’s license and clean driving record.
APIs, SDKs, JavaScript, GraphQL, AWS, SAML, OAuth, Autodesk, SketchUp, Procore, PlanGrid, Unity, Unreal Engine, Matterport
1mo
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Nickol Global Solutions LLC - Communications and Technology Specialist - Dept of State - Support to US Advisory Council on Human Trafficking
Washington or Virginia
OnsitePart Time, Contract
5+ YOEBachelor's degree required; 5+ years communications/report writing experience; 2+ years web development; proficiency with JavaScript, PHP, HTML5/CSS, GraphQL and Microsoft Office; strong editing, design, research, and communication skills; US citizenship required.
JavaScript, PHP, HTML5, CSS, GraphQL, Microsoft Office
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