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1,316 api developer jobs at 470 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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3mo
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API/Java/Python Developer, SME TS Clearance REQUIRED
Arlington, Virginia, United States
$88k-$191k/yr OnsiteFull Time
CGI Federal
CGI Federal: U.S. technology and professional services serving federal agencies with IT consulting and mission solutions.
10+ YOETS/SCI eligible with CI Poly; proficiency in Java and Python and related frameworks; API design and integration experience; database, cloud, containerization, Git, Agile experience; Bachelor's or 10+ years experience.
Java, Python, Spring Boot, Flask, Django, REST, GraphQL, SOAP, Postman, Swagger UI, PostgreSQL, MongoDB, MySQL, Git, AWS, Azure, GCP, Docker, Kubernetes
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Senior API Systems Engineer
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
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
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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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4mo
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Tool/API Integrator
Springfield, Virginia, United States
$139k-$236k/yr OnsiteFull Time
Suvi Global Services
Suvi Global Services: Alaska Native-owned government contractor providing IT, cybersecurity, logistics, facility operations, and intelligence support.
7+ YOEUS citizenship, ability to obtain Public Trust clearance, bachelor’s in CS/IT/SE, 7+ years in tool integration and API development, ServiceNow/CSDM experience, strong problem-solving and collaboration.
REST, XML, ETL, APIs, ServiceNow, CSDM (Common Service Data Model), Ins-Pi (YouDesign), EA Repository, metamodel
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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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4mo
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Tool/API Integrator
Springfield, Virginia, United States
$150k-$155k/yr OnsiteFull Time
Suvi Global Services
Suvi Global Services: Alaska Native-owned government contractor providing IT, cybersecurity, logistics, facility operations, and intelligence support.
7+ YOEUS citizen able to obtain Public Trust, bachelor\u0002s degree in CS/IT/Software Engineering, 7+ years tool integration and API development experience, ServiceNow and CSDM proficiency, ETL and XML/REST skills.
ServiceNow, Common Service Data Model (CSDM), Ins-Pi (YouDesign), REST, XML, MuleSoft, Apigee, 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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1mo
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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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3w
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Lead Software Engineer, Full Stack (Java, API, AWS, AI)
McLean, Virginia, United States
$197k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: A technology-driven bank providing diverse financial services.
4+ YOE1+ MgmtBachelor's degree, 4+ years of software engineering experience, 1+ year of cloud computing experience, and proficiency with software development technologies. People management and advanced experience preferred.
Java, JavaScript, HTML, CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud, Open Source RDBMS, NoSQL, Agile
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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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4d
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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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3mo
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Full Stack Developer
Chantilly, Virginia, United States
$112k-$222k/yr OnsiteFull Time
Accenture Federal Services
Accenture Federal ServicesNew York Stock Exchange: ACN: Technology and management consulting for U.S. federal agencies.
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
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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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2w
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UiPath Developer
Arlington, Virginia, United States
$135k-$140k/yr RemoteFull Time
Imagineeer
Imagineeer: N IT services and consulting firm delivering federal AI modernization across data, security, and cloud.
5+ YOERequires 5+ years of UiPath Studio development, UiPath platform experience, .NET scripting, API integration, web automation, error handling, document processing, and strong communication skills.
UiPath Studio, UiPath Orchestrator, UiPath Robot, UiPath Data Service, .NET, VB.NET, C#, APIs, OCR
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5d
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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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3mo
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Software Developer
Dahlgren, Virginia, United States
$69k-$158k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
5+ YOE5+ years in software development; proficient in Java, Kotlin, Go, Golang, Rust, or TypeScript; modular architectures; API access; database design; CI/CD; Docker; Kubernetes; Agile; secret clearance; bachelor’s degree.
Java, Kotlin, Go, Golang, Rust, TypeScript, OpenLayers, Cesium, MQTT, gRPC, WebSockets, APIs, Docker, Kubernetes, CI/CD
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