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1,198 api developer jobs at 445 companies in Virginia

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API Systems Engineer
Vienna, Virginia, United States
$96k-$123k/yr HybridFull Time
Navy Federal Credit Union
Navy Federal Credit Union: Member-owned, not-for-profit credit union providing banking, lending, and investment services to servicemembers, veterans, DoD personnel, and families.
Expert Java, JEE, web services, APIs, Spring Boot, cloud architecture, API security, and Agile expertise; strong troubleshooting and communication skills; bachelor's degree or equivalent experience.
Java, JEE, Web Services, APIs, SOAP Services, RESTful APIs, JSON, Spring Boot, Istio, Service Mesh, Spring Framework, Open API Specification, RAML, MCP, A2A, LLMs, Azure, AWS, GCP, Pivotal, Tanzu, Tanzu Kubernetes Grid, k8s, OAuth, SAML, JWT, OpenID Connect, Agile, SAFE, Salesforce, Oracle HCM, PeopleSoft, CRM, Dynamics, Azure DevOps
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1w
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Backend API Developer
Arlington, Virginia, United States
$119k-$161k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information TechnologyNew York Stock Exchange: GD: Provider of enterprise IT services and defense solutions.
8+ YOERequires a bachelor's degree in computer science or engineering or equivalent, 8+ years of relevant experience, U.S. citizenship, and Public Trust eligibility. Experience with scalable services, streaming, authorization, containers, cloud, and production operations.
REST, Kafka, Amazon Managed Streaming for Apache Kafka (MSK), Event Hubs, API gateways, service meshes, AWS Lambda, Azure Functions, WebSocket, server-sent events
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1mo
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Application / API Lifecycle Automation Developer
Herndon, Virginia, United States
$160k-$195k/yr RemoteFull Time
BDR Solutions
BDR Solutions: Service-disabled veteran-owned small IT services firm modernizing health, social-service, and disaster-relief systems for U.S. federal agencies.
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
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Senior API Solutions Architect
Arlington, Virginia, United States
OnsiteFull Time
540
540: Private technology consulting firm building secure software, cloud, data, and AI systems for federal government missions.
9+ YOE9+ years in API architecture/integration; experience with enterprise API gateways, OpenAPI/Swagger, API governance, security (OAuth2/OpenID Connect/JWT/PKI), cloud-native integrations, and mentoring teams.
Apigee, Gravitee, OpenAPI, Swagger, JSON Schema, OAuth 2.0, OpenID Connect, JWT, PKI, Kubernetes, Docker, Istio, Linkerd, CI/CD
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2w
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GIS Data API Integration Engineer
Tysons or Virginia
RemoteFull Time
Integral Federal
Integral Federal: Private federal contractor delivering digital transformation, systems engineering, and national-security solutions to defense, intelligence, and civilian agencies.
7+ YOEBachelor's degree in computer science or IT-related field and 7–10 years of experience with GIS data accuracy, spatial ETL, enterprise integration, spatial databases, geospatial standards, and GIS APIs.
ESRI, ArcGIS, REST, spatial databases, ETL
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Sr. Software Engineer II, Platform/API
Chicago or California or Colorado or Florida or Georgia or Illinois or Indiana or Minnesota or Missouri or Montana or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or South Carolina or Texas or Utah or Vermont or Virginia or Washington or Wisconsin or country_code
$140k-$190k/yr HybridFull Time
NinjaTrader
NinjaTrader: Privately held futures trading platform and brokerage serving retail and professional futures traders.
6+ YOE6+ years building and operating backend services; Node.js, TypeScript, SQL, Docker, Kubernetes, cloud, event-driven architecture, and workflow reliability expertise. Bachelor's or master's degree or equivalent experience.
Node.js, TypeScript, Kafka, Google Cloud Pub/Sub, SQL, Docker, Kubernetes, Google Cloud Platform, Codex, Cursor, Claude Code, Statsig
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Lead Software Engineer, Back End (Python, GO, API, AWS) (Cloud Operations Resilience Engineering)
McLean, Virginia, United States
$197k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
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
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2mo
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Senior Developer
Rosslyn, Virginia, United States
$222k/yr OnsiteFull Time
ActioNet
ActioNet: Woman-owned IT solutions and managed services provider.
7+ YOESecret clearance, 7–12 years software development experience, bachelor’s degree in CS/IT, expertise in Python/Java/C#, Agile/SAFe, microservices and API development, cloud and system integration; strong leadership and troubleshooting skills; certifications preferred.
Python, Java, C#, Agile, Scrum, SAFe, microservices, API, AWS, Microsoft Azure, GitHub, Kubernetes, Docker, big data platforms, TOGAF 9
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5d
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MuleSoft Developer
Herndon, Virginia, United States
$90k-$110k/yr HybridFull Time
OneZero Solutions
OneZero Solutions: Private service-disabled veteran-owned cybersecurity and IT contractor serving federal, civilian, and commercial clients.
5+ YOEBachelor's degree in a related field and 5 years' experience, including 4 years in software development lifecycle, 3 years with enterprise MuleSoft projects and APIs, Secret clearance, and MuleSoft Developer certification.
MuleSoft, MuleSoft Anypoint Platform, Salesforce, REST, SOAP, API, Agile
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2mo
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Business Application Developer
Quantico, Virginia, United States
OnsiteFull Time
Living Invigorating Valuable Experiences (LIVE)
Living Invigorating Valuable Experiences (LIVE): Woman-owned 8(a) professional services contractor providing government agencies program management, training, and administrative support.
3+ YOE3+ years as an application developer with in‑depth Appian Platform experience, API integration, Agile development, active U.S. citizenship, and active Secret clearance.
Appian, APIs
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6d
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ServiceNow Developer
Chantilly, Virginia, United States
OnsiteFull Time
Bespoke Technologies, Inc.
Bespoke Technologies, Inc.: Woman-owned U.S. technology consultancy delivering digital transformation, engineering, mission operations, and IT solutions to national-security customers.
ServiceNow development and workflow experience; active Poly clearance required. Requires MySQL, PHP, Agile, JIRA, Windows server, API, Infosec documentation, object-oriented programming, and software lifecycle experience.
ServiceNow, MySQL, PHP, Agile, JIRA, Windows, API, Oracle, SQL Server, RDBMS, Linux
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4w
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Senior Process Engineer - API manufacturing
Petersburg, Virginia, United States
OnsiteFull Time
Novo Nordisk
Novo NordiskNasdaq Copenhagen / NYSE: NOVO B / NVO: Global healthcare dedicated to defeating serious chronic diseases.
8+ YOEBachelor's in Engineering or Chemistry, 8+ years engineering experience in process design and operations support, knowledge of process utility systems, commissioning/validation, and regulatory engineering standards.
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2mo
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Senior Software Developer
Norfolk, Virginia, United States
$105k/yr HybridFull Time
Old Dominion University
Old Dominion University: Public doctoral research university serving undergraduate, graduate, and medical students in Virginia.
5+ YOEBachelor’s degree in MIS/Computer Science or related plus 5 years relevant experience; experience developing web applications, integrations, APIs, and maintaining web/application platforms.
APIs, web services
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2mo
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SME Systems Engineer- API Gateway & Cloud Architecture
Sterling, Virginia, United States
$180k-$230k/yr OnsiteFull Time
NetServices
NetServices: An IT services firm delivering high-quality, cost-effective solutions and technical leadership for mission-critical systems.
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
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1mo
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Senior Lead Software Engineer, Back End (GraphDB & API Platform) (Enterprise Platforms Technology)
Richmond or McLean or Plano
$209k-$262k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
6+ YOEBachelor’s degree and 6+ years of software engineering experience required; 1+ year of cloud experience. Preferred: 9+ years with Java, Scala, Python, Go, or Node.js and distributed cloud platform architecture.
AWS, Microsoft Azure, Google Cloud, Java, Scala, Python, Go, Node.js, GraphDB, API, serverless, containers
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4d
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Web Developer (00082)
Midlothian or Chester or Richmond
$75k-$85k/yr HybridFull Time
Brightpoint Community College
Brightpoint Community College: Public Virginia community college serving Central Virginia students with transfer degrees, career training, and workforce programs.
Professional website and digital application development experience; HTML, CSS, Bootstrap, JavaScript, MySQL, Git/GitHub, SharePoint, APIs, and AI tools. High school diploma required; background check required.
HTML, CSS, Bootstrap, JavaScript, MySQL, yarn, npm, VS Code, Git, GitHub, Microsoft SharePoint, Claude, APIs, Salesforce, LLMs, ExpressionEngine CMS, PHP, SharePoint Framework (SPFx), Gulp, Node.js, Docker, Google Analytics, Google Tag Manager, Siteimprove
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6d
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Mulesoft Developer
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$54k-$196k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global professional services delivering 360° value.
3+ YOERequires 3+ years software development, 2+ years API development and Git/Agile/testing, 1+ year MuleSoft development, MuleSoft Developer Level 1, and a bachelor's degree or equivalent experience.
Anypoint Platform, Anypoint Studio, Mule Runtime, DataWeave, MUnit, Git, SOAP, REST, XML, JSON, YAML, Anypoint MQ, API Manager, Anypoint Exchange, CloudHub, Salesforce, SAP, Workday, Oracle Cloud Applications, ServiceNow, CI/CD, AWS, Azure, Flex Gateway, Model Context Protocol (MCP), GenAI, HL7, FHIR, Boomi, Informatica, SnapLogic, Workato
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Generative AI Developer
White Plains or Conyers or Roanoke or Charleston or Maitland or Kingsport or Schaumburg or Lihue or Albany or Denver or Missoula or Virginia Beach or Livonia or Greenville or Richmond or Fort Lauderdale or Thomaston or Frederick or Hibbing or Miami or Appleton or Jackson or Kailua-Kona or Ridgeland or Kokomo or Irvine or Newport or Polson or Lexington or Mobile or Fort Myers or Medford or Wilmington or Bethesda or Chattanooga or Kalispell or Macon or Tampa or Overland Park or Columbia or West Palm Beach or Ashburn or Phoenix or San Antonio or Austin or Yakima or Madras or Portland or Helena or Tallahassee or Delafield or New York City or San Ramon or Southborough or Boston or San Francisco or Nashville or Fargo or Boise or Scottsdale or Spokane or Eugene or Newnan or Thomasville or Westlake or Melville or Tequesta or Canonsburg or Philadelphia or Chicago or Dublin or Jacksonville or Los Angeles or Carrollton or Atlanta or Norwalk or Southfield or Milwaukee or King of Prussia or Bismarck or San Diego or Troy or Chagrin Falls or Washington or Wenatchee or High Point or Bonita Springs or Fremont or Hardinsburg or Irving or Simi Valley or New Iberia or Walla Walla or Winston-Salem or Red Bank or Lafayette or Raleigh or Palm Beach or Golden Valley or Urbandale or Memphis or Cookeville or Vero Beach or Baton Rouge or Providence
$83k-$125k/yr RemoteFull Time
Marsh McLennan Agency
Marsh McLennan Agency: Marsh McLennan Agency is a wholly owned insurance brokerage serving middle-market businesses and individuals.
10+ YOERequires 10+ years of technology experience, Python, AI application and agentic system development, LLM platforms, RAG, vector databases, APIs, observability, and governance in production environments.
Python, LangChain, LangGraph, DSPy, Anthropic, OpenAI, GPT-4, Claude, Pinecone, Milvus, CI/CD, API, RAG
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2mo
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GenAI Developer
Ashburn, Virginia, United States
HybridFull Time
Xenith Solutions
Xenith Solutions: Service-disabled veteran-owned technology delivering cybersecurity, cloud, data engineering, and software solutions to defense and civilian customers.
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
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3w
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Senior Developer TS/SCI
Reston, Virginia, United States
$130k-$230k/yr OnsiteFull Time
Intact Technology
Intact Technology: Privately owned ServiceNow consulting firm serving public-sector and highly regulated enterprises with implementation and managed services.
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
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