348 api developer jobs at 163 companies in Centreville, MD
2mo
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API Developer/Programmer
Aberdeen Proving Ground, Maryland, United States
$90k-$150k/yr OnsiteFull Time
2+ YOEBachelor's degree in a technical field and 2+ years experience. Experience with web/API development, MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java, cloud/containerization, information systems security, and Agile.
MongoDB, PostgreSQL, Microsoft Azure, Keycloak, Java
3w
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API Developer (Senior)
Baltimore, Maryland, United States
OnsiteFull Time
3+ YOEBachelor's in CS or related field (or 5 years' equivalent),3+ years computer experience,1+ year web/app development experience; knowledge of HTML,CGI,PERL,Javascript,Java,cloud and Salesforce.
HTML, CGI, PERL, Javascript, Java, Salesforce
2mo
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Senior Backend API Engineer
Linthicum, Maryland, United States
OnsiteFull Time
7+ YOEActive TS/SCI with polygraph required; 7+ years backend development experience with Python, RESTful APIs, Django/Flask, Docker, MariaDB/MongoDB; experience with Git, Jira, Confluence; strong troubleshooting and communication skills.
Python, Django, Flask, MariaDB, MongoDB, JSON, XML, Docker, Git, Jira, Confluence, AWS
4w
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API Lead
Baltimore, Maryland, United States
RemoteFull Time
Design, develop, and maintain REST APIs and enterprise integrations using FHIR/HL7, cloud (AWS preferred), and data mappings between JSON, XML, X12 and flat files.
REST, FHIR, HL7, AWS, JSON, XML, X12
2d
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Application Engineer (API)
Linthicum, Maryland, United States
$225k-$235k/yr OnsiteFull Time
4+ YOERequires active TS/SCI with FSP, Python, Docker, Django or Flask, MongoDB or MariaDB, REST endpoint development, and 4–12 years of experience depending on education.
Python, Docker, Django, Flask, MongoDB, MariaDB, JSON, XML, AWS, Jira, Confluence, Git
2d
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26-2290: API Technical Lead - Baltimore, MD
Baltimore, Maryland, United States
$65k-$85k/yr OnsiteFull Time
7+ YOEBachelor's degree or equivalent experience; 7+ years of IT experience; 3+ years as a technical lead; 2+ years with FHIR and healthcare interoperability; REST, SOAP, AWS, MuleSoft, Git, Jenkins, and API security expertise.
FHIR, HL7, RESTful APIs, SOAP, AWS, MuleSoft, Service-Oriented Architecture (SOA), JSON, XML, Git, Jenkins, MuleSoft Anypoint Platform, CloudHub, API Manager, OAuth 2.0, OpenID Connect, JWT, Docker, Kubernetes, CI/CD
3mo
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Software Engineer 1 (API)
Linthicum Heights, Maryland, United States
$52-$107/hr OnsiteFull Time
7+ YOEU.S. citizenship and Top Secret/SCI clearance with appropriate polygraph required; 7 years SWE experience; Bachelor’s in Computer Science (or 4 additional years of SWE experience); strong Python, Django/Flask, ReST, and database skills.
Python, Django, Flask, MariaDB, MongoDB, PostgreSQL, ReST, JSON, XML, Swagger, AWS, Docker, Visual Studio Code, Jira, Confluence, Git
2mo
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Application Engineer 4 (API)
Linthicum Heights, Maryland, United States
HybridFull Time
4+ YOETS/SCI with Polygraph required. Python, Docker, Django/Flask, MariaDB or MongoDB, REST and microservices experience. Minimum 4-12 years experience depending on degree.
Python, Docker, Django, Flask, MariaDB, MongoDB, ReST, AWS, JSON, XML, Jira, Confluence, Git
3mo
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Salesforce Developer
Adelphi, Maryland, United States
OnsiteContract
2+ YOE2–4 years Salesforce development; Bachelor's in CS or INFO; Apex, Flows, LWC, APIs, Data Loader; Agile; strong problem-solving and communication.
Apex, Lightning Web Components, Salesforce Flows, APIs, Data Loader, Copado, Git
1w
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SENIOR MULESOFT DEVELOPER, CONTRACTUAL
Baltimore, Maryland, United States
$56-$68/hr HybridFull Time, Contract
7+ YOESeven years of software design and development experience required. Experience with MuleSoft, APIs, integrations, architecture, testing, deployment, and CI/CD; Salesforce experience preferred.
MuleSoft Anypoint Platform, RAML, OAS, Anypoint Studio, API Designer, Flow Designer, Mocking Service, MUnit, API Console, Anypoint Exchange, API Community Manager, Visualizer, API Analytics, API Manager, Runtime Manager, Mule 4, DataWeave, Anypoint Code Builder, Visual Studio Code, Team Foundation, Salesforce Public Sector Cloud, Box Document Management System, CI/CD, RESTful, SOAP, CloudHub
3w
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Software Engineer
Hunt Valley, Maryland, United States
$86k-$115k/yr HybridFull Time
5+ YOEBachelor's degree in computer science or related field, 5+ years software engineering experience, API and full-stack development experience, familiarity with Agile, testing, and cloud paradigms.
.NET (C#), SQL, HTML, CSS, JavaScript, NodeJS, Angular, React, Vue, Azure DevOps, Git, MS SQL Server, Typescript, REST API, HTTP, Java
2mo
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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
2w
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Salesforce Developer
Millersville, Maryland, United States
RemoteFull Time
3+ YOE3–6 years Salesforce development experience; strong Apex, LWC, SOQL, integrations, asynchronous processing, API security, Data Cloud/Agentforce knowledge; Platform Developer I required; eligible for Public Trust clearance.
Salesforce Service Cloud, Experience Cloud, Omni-Channel, Knowledge, Apex, LWC, Platform Events, REST APIs, MuleSoft, Azure, Git, DevOps Center, Copado, GitHub Actions, Azure DevOps, Data Cloud, Agentforce, Einstein, SOQL, OAuth
4d
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.Net Developer
Washington or Annapolis Junction or California or Colorado or Hawaii or Illinois or Maine or Maryland or Massachusetts or Minnesota or New Jersey or New York or Vermont or Virginia or Washington or Cleveland
$79k-$160k/yr RemoteFull Time
3+ YOEActive Secret clearance; 3+ years with .NET languages and HTML5/CSS3; REST or RPC API familiarity; experience developing and maintaining .NET web applications.
Agile, C#, Visual Basic .NET, HTML5, CSS3, REST, RPC, .NET framework
3d
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Senior Java Developer
Newark, Delaware, United States
$80k-$100k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science and advanced Java development experience with microservices, Spring, Hibernate, REST APIs, and SQL databases.
Java, Spring Framework, Spring MVC, Spring Boot, Hibernate, RESTful APIs, Oracle SQL, PostgreSQL, SQL Server, Microservices
3mo
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Software Engineer (GC-3)
Annapolis Junction, Maryland, United States
$220k-$250k/yr OnsiteFull Time
15+ YOE12+ Mgmt15+ years of design and development experience; Master's in Computer Science or Computer Engineering; ITIL Certification; Python, CI/CD; AWS and API integration; TS/SCI with Polygraph clearance.
Python, Jenkins, GitLab, CodePipeline, AWS, API, CI/CD
3d
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Software Developer
New Castle, Delaware, United States
$63k-$82k/yr OnsiteFull Time
3+ YOEThree years of software development experience with ASP.NET, C#, Visual Studio, .NET, SQL Server, JavaScript, RESTful APIs, RabbitMQ, OAuth, Azure DevOps, and Git.
ASP.NET, Dapper, AutoMapper, C#, Microsoft Visual Studio 2019, JavaScript, jQuery, JSON, AJAX, .NET Framework 4.8, .NET Core, SQL Server 2019, HTML5, XML, XSLT, CSS, RESTful APIs, RabbitMQ, OAuth, JWT, Azure DevOps, Git
1mo
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Senior Software Engineer
Fort Meade, Maryland, United States
$170k-$240k/yr OnsiteFull Time
12+ YOEActive Top Secret (TS/SCI) with polygraph, US citizenship, Bachelor's in a technical discipline (or 4 years experience), 12+ years software development, strong Python, LLM and API integration experience, Git and Atlassian familiarity.
Python, LLMs, APIs, Git, Jira, Confluence
2w
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Associate Appian Developer
Largo or Dayton or Washington
RemoteFull Time
1+ YOEBachelor's degree required; 1+ years software development; experience with Appian or low-code platforms, Agile, APIs and integrations; ability to obtain Public Trust; Appian Certified Associate Developer preferred.
Appian, REST, AWS, Azure
1mo
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ServiceNow Developer
Dallas or Washington or Columbia or United States
RemoteContract
5+ YOEBachelor's degree and 5+ years ServiceNow developer/administrator experience; strong JavaScript and SQL skills; ServiceNow ITSM, Flow Designer, Integration Hub, REST API, CMDB, and platform administration experience.
ServiceNow, ITSM, CMDB, Service Catalog, Flow Designer, Integration Hub, Business Rules, Script Includes, Client Scripts, UI Policies, UI Actions, Scripted REST APIs, Import Sets, Transform Maps, ACLs, Performance Analytics, Reports, Dashboards, JavaScript, SQL, Python, HTML, CSS, React, Node.js, Express.js, REST APIs, JSON, XML, PostgreSQL, MongoDB, AWS (EC2, RDS, S3), Git, Postman, VS Code
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