19 core java developer jobs at 12 companies in Virginia

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Software Engineer (Java, OpenFGA)
Rosslyn, Virginia, United States
HybridFull Time
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
10+ YOE10+ years experience; hands-on Java and Spring Boot; RESTful API design; proficiency with core AWS services; Secret clearance required to start; experience with OpenFGA and distributed backend/microservices; unit/integration testing.
Java, Spring Boot, OpenFGA, RESTful APIs, AWS, Django, NATS, Kafka, Redis, ClickHouse, OpenTelemetry, OpenRouter, LiteLLM, CI/CD
3mo
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Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)
New York or Cambridge or McLean or San Francisco or San Jose
$197k-$246k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor’s or Master’s in CS/AI/EE/CE with relevant experience; strong Python/Go/Scala/Java; cloud and AI optimization experience.
Python, Go, Scala, Java, AWS, Huggingface, VectorDBs, Nemo Guardrails, PyTorch
1mo
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Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)
Cambridge or McLean or New York or San Jose or United States
$197k-$246k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
2+ YOEBachelor's in CS/AI/EE/CE (4+ yrs) or Master's (2+ yrs). 4+ yrs programming in Python, Go, Scala, or Java. Experience with LLMs, model training/inference, vector search, cloud deployments, and AI system optimization.
AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, C++, C#, Golang, AWS, Google Cloud, Azure
2w
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Senior Software Developer – Secret
Quantico, Virginia, United States
HybridFull Time
VMD Corp
VMD Corp: Provides airport security screening and federal IT services.
7+ YOESecret clearance, Bachelor\u0002s or equivalent,7+ years software development experience; strong with ASP.NET Core,.NET Framework,C#,Java,Python,MS SQL Server,Oracle,SharePoint,ServiceNow,Docker,CI/CD,GIT and DevSecOps practices.
ASP.NET Core, .NET Framework, C#, Java, Python, Microsoft SQL Server, Oracle Database, SharePoint, ServiceNow, Docker, Artifactory, Nexus Repository, NuGet, Git, Infrastructure as Code (IaC)
2w
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Full Stack Developer - (BEAGLE)
Ashburn or United States
$75k-$120k/yr HybridFull Time
Le'fant
Le'fant: Provides management consulting and technology services to federal agencies
7+ YOEU.S. citizen with 7+ years software development experience; hands-on with Java or C# (.NET Core), Spring, Angular/React, PostgreSQL/Hibernate/Entity Framework, Git; BS in CS or equivalent; strong communication and mentoring skills.
Java, C#, .NET Core, Spring MVC, Spring Boot, Angular, React, PostgreSQL, Hibernate, Entity Framework, Git
3d
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Software Engineer (.NET)
Sterling, Virginia, United States
$115k-$150k/yr OnsiteFull Time
Strongbridge
Strongbridge: Provides IT modernization and data strategy for federal agencies.
4+ YOEBachelor's in CS or related,4+ years software development experience,proficiency in C#,C++ or Java,.NET/ASP.NET Core,ASP.NET MVC,Angular,SQL Server,EMR with strong communication and analytical skills,Public Trust eligibility.
C#, C++, Java, .NET Framework, ASP.NET Core, ASP.NET MVC, Angular, Bootstrap, Microsoft SQL Server, SQL Server Management Studio (SSMS), HTML, CSS, JavaScript, TypeScript, Docker, Kubernetes, AWS, Azure, Google Cloud, Azure Data Lake Services, Data Factory, Synapse analytics, SQL Managed Instance, Google Workspace, Gemini, Windows Presentation Foundation (WPF), JSON, XML, XSLT, Azure DevOps, GitHub
1mo
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Senior Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)
New York City or McLean or Cambridge or San Jose
$251k-$286k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's in CS/AI/EE/CE +6 yrs or Master's +4 yrs; 6+ years programming with Python, Go, Scala, or Java; experience building and deploying large-scale AI/LLM systems, cloud platforms, and mentoring teams.
AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, Python, Go, Scala, Java, C++, C#, Golang, AWS, Google Cloud, Azure
3w
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Software Engineer
Chantilly, Virginia, United States
$100k-$120k/yr HybridFull Time
Edgesource Corporation
Edgesource Corporation: Providing mission-ready national security and IT solutions.
Active TS/SCI FSP clearance required; demonstrated enterprise software experience; hands-on with Microsoft .NET Core; desired experience with JavaScript/TypeScript, Angular, C#, Java, and Python.
Microsoft .NET Core, JavaScript, TypeScript, Angular, C#, Java, Python
1mo
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Lead AI Engineer (GenAI Platform, AI Foundations, LLM Core and Agentic AI)
McLean or San Francisco or San Jose or Richmond or New York City
$197k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor’s or Master’s in CS/AI/EE/CE with 2–4+ years of AI/ML experience; 4+ years Python/Go/Scala/Java; cloud experience with AWS/GCP/Azure preferred.
AWS, Huggingface, PyTorch, VectorDB, Nemo Guardrails, Open Source AI tools
1mo
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Lead Software Engineer
McLean or Richmond or Chicago or Plano
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor’s degree, 4+ years software engineering experience, 1+ year cloud experience (AWS/Azure/GCP). Preferred: Master’s, 7+ years with core languages, cloud experience, open source frameworks, and people management.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, GCP
1mo
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Senior .NET Software Developer
Austin or Alexandria or United States
$110k-$140k/yr RemoteFull Time
Advanced Solutions International
Advanced Solutions International: Cloud software for association and non-profit management.
8+ YOE8+ years building web applications; bachelor’s degree in CS or equivalent experience; strong C#, .NET Core, .NET MVC, Entity Framework, Microsoft SQL/Azure SQL, Visual Studio; experience with performance testing and Azure observability.
C#, .NET Core, .NET MVC, Entity Framework Core, Microsoft SQL Server, Azure SQL, Visual Studio, Java 8, Spring, Hibernate, TypeScript, NodeJS, Postgres, MySQL, JMeter, WAPT, Azure Application Insights, Azure App Service, Azure Containers, .NET Aspire, Microsoft Web Forms, Web API, Microsoft .NET Framework, AngularJS, SAFe
1mo
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Full Stack Software Developer
King George, Virginia, United States
OnsiteFull Time
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
3+ YOEDegree with relevant years of experience (BS 8–10, MS 6–8, PhD 3–5), active/interim DoD SECRET (able to obtain TS/SCI), DoDD 8140.01 IAM Level I, experience with .NET Core, Angular, JavaScript, C#, and SQL Server.
.NET Core, Angular 2+, JavaScript, C#, Microsoft SQL Server, Microsoft SQL Server Management Studio, Visual Studio, git, GitLab, mercurial, C/C++, Java, Python, TypeScript, PostgreSQL
3w
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Full Stack Developer
King George, Virginia, United States
$106k-$185k/yr HybridFull Time
Arcfield
Arcfield: Systems engineering and mission support for defense and space.
3+ YOEBS/MS/PhD with corresponding experience (BS 8–10 yrs, MS 6–8 yrs, PhD 3–5 yrs). Active or interim DoD SECRET clearance (TS/SCI obtainable), DoDD 8140.01 IAM Level I, experience with .NET Core, Angular, JavaScript, C#, SQL Server, git, Visual Studio, ETL, Agile, TypeScript, and PostgreSQL.
.NET Core, Angular, JavaScript, C#, Microsoft SQL Server, Microsoft Visual Studio, Microsoft SQL Server Management Studio, git, GitLab, Mercurial, C, C++, Java, Python, TypeScript, PostgreSQL, Jenkins, ElasticSearch, RedHat, OpenShift, Kubernetes, Docker
1mo
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SCADA Engineer
Charlotte or Suwanee or Jacksonville or Nashville or Atlanta or Virginia Beach or Wilmington or Roanoke or Raleigh or Knoxville or Greenville or Greensboro or Charleston or Columbia or Chesapeake
OnsiteFull Time
Hoffman & Hoffman
Hoffman & Hoffman: Provides commercial HVAC, building automation, and mechanical service solutions.
2+ YOE2+ years engineering experience (2–4 preferred) with PLC/HMI/SCADA and Ignition; Ignition Core required; bachelor\u0002s in relevant engineering or equivalent experience; scripting in Python/Java/SQL; HVAC/BMS and industrial networking experience.
Ignition Perspective, Ignition, PLC, HMI/SCADA, BMS, Python, Java, SQL
2w
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Lead Software Engineer - Financial & Reporting Tech
Richmond or McLean
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years software engineering experience, 1+ year cloud experience (AWS/Azure/GCP). Preferred: advanced degree, 7+ years with core languages, 3+ years cloud, 1+ year people management.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Google Cloud, Microsoft Azure
1mo
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Lead Software Engineer, Full Stack
McLean, Virginia, United States
$197k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree, 4+ years software engineering experience, 1+ year cloud (AWS/Azure/GCP) experience. Preferred: Master's, 7+ years with core languages, 3+ years cloud, people management, Agile, and AI tooling experience.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
1mo
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Senior Lead Software Engineer, Full Stack (Python, ReactJS, AWS)
New York or McLean or Richmond
$209k-$286k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOEBachelor's degree, 6+ years software engineering, 1+ year cloud experience (AWS/Azure/GCP). Preferred: master’s, 9+ years in core languages, 4+ years cloud and open-source frameworks, people management, Databricks, Snowflake, Agile, and interactive AI tooling experience.
ReactJS, JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, Databricks, Snowflake
2mo
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Account Solution Engineer - Federal Civilian (All Levels)
McLean or Chicago or Boston or New York or Washington or Dallas or Atlanta or San Francisco or Herndon
$113k-$211k/yr RemoteFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
7+ YOE7+ years customer-facing solution/technical architecture experience; Salesforce Core knowledge; agentic AI fluency; federal/public sector experience.
Salesforce Core, Data 360/Agentforce, SQL, Python, Java, REST, GraphQL, LWC, Snowflake, Databricks, BigQuery, Tableau, Looker, Power BI
2d
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Customer Success Splunk Platform Area TAM
McLean or Richardson or Research Triangle Park or United States
$162k-$206k/yr RemoteFull Time
Cisco
CiscoNASDAQ: CSCO: Develops and sells networking hardware and cybersecurity software.
Expertise with Splunk Core/Cloud and SPL, technical consulting or big-data analytics experience, scripting/app development knowledge (bash, Java, Python, .NET), strong communication and problem-solving skills.
Splunk Core, Splunk Cloud, SPL, bash, Java, Python, .NET