676 api developer jobs at 259 companies in Ranson, WV
1mo
Save
Mark Applied
Hide
Application / API Lifecycle Automation Developer
Herndon, Virginia, United States
$160k-$195k/yr RemoteFull Time
5+ YOE5+ years designing and delivering API lifecycle automation, developer portals, CI/CD integrations, Zero Trust API security, and observability with documented automation metrics.
AppDynamics, ELK, OpenTelemetry, Backstage, Stoplight, Kong Dev Portal, Apigee Developer Portal, Kong, Apigee, MuleSoft, Azure API Management (Azure APIM), AWS API Gateway, CI/CD
2mo
Save
Mark Applied
Hide
Senior API Systems Engineer
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
10+ YOEU.S. person with Top Secret/SCI polygraph clearance, 10+ years' relevant experience, Bachelor’s or Master’s in a STEM field, Security+ CE (DoDD 8140), 5+ years API gateway experience, proficiency with Java/Python/C#, cloud (AWS/Azure/GCP), Docker/Kubernetes.
Java, Python, C#, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, Istio, Linkerd, MuleSoft, Apigee, Broadcom API, ServiceNow, Windows, Linux
1w
Save
Mark Applied
Hide
Full Stack API Developer- TS/SCI with Polygraph
Chantilly, Virginia, United States
$187k-$253k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
15+ YOE15+ years experience in full stack Java development, experience with ArangoDB, JIRA, Spring Boot, Mongo, AWS, JavaScript/TypeScript, Angular, REST; TS/SCI with polygraph required; BA/BS or equivalent.
ArangoDB, Atlassian JIRA, Java, Spring Boot, Mongo, AWS services, JavaScript, TypeScript, Angular, REST, Elasticsearch, OAuth 2.0
3w
Save
Mark Applied
Hide
API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yr HybridFull Time
5+ YOEUS citizen able to obtain Public Trust,5+ years in data engineering/integration, proficiency in Python, Java/JS, .NET (C#), RESTful APIs, XML, SQL/SQL Server, GCP, data formats (JSON, Parquet), and experience leading technical teams.
Python, Java, JS, C#, .NET, RESTful API, XML, SQL Server, SQL, CSV, TXT, JSON, Parquet, GCP, Apigee, Kong, Azure API Management, AWS API Gateway, LexisNexis, Oracle Mantas, Actimize, Fircosoft, Oracle Mantas, World-Check, Dow Jones, Chainalysis, Elliptic, TRM Labs
1w
Save
Mark Applied
Hide
Full Stack API Developer- TS/SCI with Polygraph
Chantilly, Virginia, United States
$187k-$253k/yr OnsiteFull Time
15+ YOETS/SCI+Polygraph clearance, 15+ years experience, strong Java full‑stack background, Spring Boot, Mongo, AWS, JavaScript/TypeScript, Angular, REST, ArangoDB, and JIRA experience.
ArangoDB, Atlassian JIRA, Java, Spring Boot, Mongo, AWS, JavaScript, TypeScript, Angular, REST, Elasticsearch, OAuth 2.0
1w
Save
Mark Applied
Hide
Lead Software Engineer, Back End (Python, GO, API, AWS) (Cloud Operations Resilience Engineering)
McLean, Virginia, United States
$197k-$225k/yr OnsiteFull Time
4+ YOEBachelor's degree and 4+ years software engineering experience; cloud (AWS/Azure/GCP), Python or Go, API and distributed microservices experience; strong communication and mentoring skills.
Python, Go, API, AWS, Microsoft Azure, Google Cloud, Open Source RDBMS, NoSQL
3d
Save
Mark Applied
Hide
Developer Associate
Bethesda, Maryland, United States
$120k-$135k/yr OnsiteFull Time
2+ YOERequires 2–4 years in a developer-facing role, technical bachelor's degree or equivalent experience, coding proficiency, REST API knowledge, API testing, Git, issue tracking, and strong communication skills.
Claude Code, GitHub Copilot, Cursor, MCP, Python, JavaScript, Node.js, Java, REST APIs, webhooks, OAuth 2.0, API keys, Postman, Insomnia, Git, Jira, Asana, Swagger/OpenAPI, Redoc, Readme.io, CI/CD
2mo
Save
Mark Applied
Hide
Full Stack Developer
Chantilly, Virginia, United States
$112k-$222k/yr OnsiteFull Time
5+ YOE5+ years in software development; MongoDB, API development, cloud platforms (AWS), front-end development, Agile/Scrum; TS/SCI clearance.”
MongoDB, APIs, AWS, Frontend development, Cloud platforms, Agile/Scrum
1d
Save
Mark Applied
Hide
FABIS Lead Engineer
Bethesda, Maryland, United States
$190k-$210k/yr HybridFull Time
Requires C# software development, WPF, .NET website development, REST APIs, relational databases, DoD IAT Level II certification, U.S. citizenship, and current Top Secret with SCI Poly clearance.
C#, .NET, WPF, REST API, Microsoft SQL Server, RabbitMQ, Git
1mo
Save
Mark Applied
Hide
SME Systems Engineer- API Gateway & Cloud Architecture
Sterling, Virginia, United States
$180k-$230k/yr OnsiteFull Time
16+ YOEBachelor's in STEM, 16+ years' experience, DoD 8140/Security+ CE, 5+ years API Gateway experience (Broadcom preferred), expertise with Windows and cloud-hosted COTS, Java/Python/C#, AWS/Azure/GCP, Docker, Kubernetes, Agile, cloud architecture, troubleshooting, and system testing. TS/SCI w/ Poly required; U.S. citizenship required.
API Gateway, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, ServiceNow, Docker, Kubernetes, Java, Python, C#, Windows, AWS, Microsoft Azure, Google Cloud, Message queues, Streaming platforms, ETL, COTS, MBSE
1w
Save
Mark Applied
Hide
AI Automation Engineer / Developer
Frederick, Maryland, United States
OnsiteFull Time
Strong software development skills (e.g., Python, JavaScript/TypeScript), hands-on experience with AI tools (Claude) and automation, API integration experience, discretion with confidential client data, and ability to deliver production systems.
Claude, Python, JavaScript, TypeScript, APIs
3w
Save
Mark Applied
Hide
Software Engineer
Arlington or McLean
$69k-$158k/yr OnsiteFull Time
2+ YOE2+ years software development experience, bachelor's degree, ability to obtain Secret clearance, experience with C#, Web API, CI/CD and containerization preferred.
C#, Web API, Java, Python, JavaScript, Angular, React, NodeJS, .NET Framework, .NET 5, .NET 8, .NET 10, Docker, Jenkins, GitHub Actions, Azure DevOps
3mo
Save
Mark Applied
Hide
AI/ML Software Developer
Arlington, Virginia, United States
HybridFull Time
Strong Python experience, full-stack development, database design (SQL/NoSQL), data pipelines, familiarity with LLMs, API development, and CI/CD practices.
Python, REST API, GraphQL, SQL, NoSQL, CI/CD, Linux
1mo
Save
Mark Applied
Hide
GenAI Developer
Ashburn, Virginia, United States
HybridFull Time
7+ YOEU.S. citizen able to pass CBP background check; BA/BS preferred (experience considered); 7+ years full-stack development; React/Angular, SQL/NoSQL, Python/Java/JavaScript/TypeScript; GenAI concepts and APIs; AWS and Google cloud experience; DevSecOps knowledge.
React, Angular, SQL, NoSQL, Large Language Models (LLMs), transformers, Python, Java, JavaScript, TypeScript, AWS, Google Vertex AI, AWS Bedrock, GitLab, APIs, RESTful services, DevSecOps, CDNs
3d
Save
Mark Applied
Hide
Senior Developer TS/SCI
Reston, Virginia, United States
$130k-$230k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance, 5+ years of ServiceNow development, ITSM expertise, JavaScript, REST/SOAP, APIs, ServiceNow scripting, secure SDLC, certifications, and Agile/Scrum experience.
ServiceNow, ITSM, ITOM, ITAM, JavaScript, REST, SOAP, APIs, CMDB, SecOps, Discovery, HAM/SAM, Agile, Scrum, DevOps, HSA, FSA
3d
Save
Mark Applied
Hide
Principal Systems Engineer (API Gateway) - TS/SCI w CI Poly
Sterling, Virginia, United States
OnsiteFull Time
16+ YOEBachelor's degree and 16+ years designing enterprise systems, cloud architectures, and API solutions, including 5+ years with API gateways. Requires active TS/SCI with CI Polygraph and Security+ CE.
REST, GraphQL, AWS, Microsoft Azure, Java, Python, C#, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), IBM Cloud, ServiceNow, Windows
2mo
Save
Mark Applied
Hide
Senior React Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
12+ YOESenior full-stack developer proficient in React and Java/Spring Boot; experience migrating legacy systems; ability to work with Camunda and Pega workflows; strong REST APIs and Oracle/SQL skills.
React, Java, Spring Boot, Camunda, Pega, Oracle, SQL, REST API
1mo
Save
Mark Applied
Hide
RPA UIPath Developer
Herndon, Virginia, United States
HybridFull Time
US citizenship required; hands-on UiPath and RPA experience with Office365, APIs, AiFabric, Document Understanding/OCR; strong communication, analytical and documentation skills; UiPath Advanced RPA Developer (UiARD) preferred.
UiPath, AiFabric, Document Understanding, OCR, Microsoft Office365, Microsoft SharePoint, Microsoft Outlook, Microsoft Excel, APIs, RESTful services
1d
Save
Mark Applied
Hide
Software Engineer I
Sparks or Sacramento or Dayton or Hagerstown
$48k-$56k/yr OnsiteFull Time
1+ YOEBachelor's degree or equivalent experience; 1–2 years of web/application development preferred; HTML, CSS, JavaScript, React, APIs, ColdFusion, MySQL, and analytical skills.
ColdFusion, React, HTML5, CSS3, JavaScript, Bootstrap, jQuery, MySQL, XML, JSON, CSV, AWS, Microsoft Azure, Git, Jira, APIs, webhooks
1w
Save
Mark Applied
Hide
Drupal Developer
Huntsville or McLean
RemoteFull Time
Hands-on Drupal development and upgrade experience, PHP and Drupal API proficiency, custom module/theme development, 508 accessibility knowledge, strong communication skills; Public Trust background investigation required.
Drupal, Drupal 9, Drupal 10, Drupal 11, PHP, Symfony, Twig, Git, CI/CD, DevSecOps, SSL/TLS
Explore Jobs