675 rest api jobs at 308 companies in Frederick, MD

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
1d
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API Lead
Baltimore, Maryland, United States
RemoteFull Time
Global Alliant
Global Alliant: Provides IT modernization and software development for government agencies
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
2w
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Senior API Platform Engineer
Reston, Virginia, United States
OnsiteFull Time
Akumen
Akumen: Provides technology, cybersecurity, and data services to federal agencies.
7+ YOEBachelor's or equivalent,7+ years in enterprise API management/platform engineering, experience with API gateways, REST/JSON/XML/OpenAPI, CI/CD, cloud and container deployments, Kubernetes/OpenShift, and federal security clearance eligibility.
Kong, IBM webMethods, Apigee, MuleSoft, Azure API Management, AWS API Gateway, IBM API Connect, WSO2, Tyk, REST, JSON, XML, OpenAPI, Kubernetes, OpenShift, Docker, Azure, AWS, CI/CD, Git, AppDynamics, ELK, Grafana, OpenTelemetry
1mo
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API Postman Tester - 6237166
Arlington or Cleveland or California or Colorado or District of Columbia or Illinois or Minnesota or Maryland or Massachusetts or New York or New Jersey or Washington
$70-$80/hr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOE5+ years hands-on Postman experience, API test automation (Postman scripting/Newman), strong API/JSON/REST knowledge, Swagger/OpenAPI familiarity, banking domain experience, and strong analytical and communication skills.
Postman, Newman, Swagger/OpenAPI, JSON
2mo
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Tool/API Integrator
Springfield, Virginia, United States
$139k-$236k/yr OnsiteFull Time
Akima
Akima: Provider of mission-focused technical and administrative support for government agencies.
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
1mo
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Senior Backend API Engineer
Linthicum, Maryland, United States
OnsiteFull Time
Quevera
Quevera: Software engineering and cloud solutions for government and defense.
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
1w
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API LIFE CYCLE AUTOMATION DEVELOPER
United States or Washington
HybridFull Time
Constellation West
Constellation West: Provides mission-critical technology services for federal government agencies.
Develop automated API onboarding, lifecycle management, deployment automation, developer self-service; experience with API lifecycle, onboarding, developer portals, automation, REST APIs, IaC, CI/CD.
Jenkins, GitHub Actions, GitLab, Terraform, Ansible, Kubernetes, OpenShift, YAML, JSON, Python, Java, Git
2mo
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API/Java/Python Developer, SME TS Clearance REQUIRED
Arlington, Virginia, United States
$88k-$191k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
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
1w
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API Developer/Data Engineer Managing Consultant-Fraud/AI
McLean or New York City or Arlington or United States
$130k-$216k/yr HybridFull Time
Guidehouse
Guidehouse: Provides management and technology consulting services to diverse organizations.
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
2mo
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Senior Cloud Security Specialist (API)
Washington, District of Columbia, United States
$160k-$200k/yr OnsiteContract
Custom Software Systems
Custom Software Systems: Provides IT modernization and data solutions for government agencies.
6+ YOESix+ years in cybersecurity including cloud security; REST API experience; cloud platform experience (AWS/Azure/Google); scripting/automation
AWS, Azure, Google Cloud, REST API, Serverless, Scripting
2mo
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Software Engineer 1 (API)
Linthicum Heights, Maryland, United States
$52-$107/hr OnsiteFull Time
Wyetech
Wyetech: Provides professional engineering services for government and commercial sectors.
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
1mo
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Software Engineer - Java, Microservices, MuleSoft & API Development (Remote)
Baltimore, Maryland, United States
$80k-$158k/yr RemoteFull Time
CareFirst BlueCross BlueShield
CareFirst BlueCross BlueShield: Provides health insurance coverage and administrative healthcare services.
5+ YOEBachelor's in IT/Computer Science (or 4 additional years experience), 5+ years software design/development, experience with Java, microservices, APIs, MuleSoft, Docker/Kubernetes, AWS/Azure, SQL/NoSQL, CI/CD, testing frameworks, and mentoring/leading teams.
Java, Spring, Spring Boot, Spring Cloud, Spring Core, Spring MVC, Spring Integration, Spring Batch, REST, SOAP, Docker, Kubernetes, Microsoft Azure, Microsoft Azure Monitor, Microsoft Azure Kubernetes Service (AKS), AWS, Oracle, Postgres, PostgreSQL, Mongodb, Cassandra, Elastic/ELK, Splunk, Kibana, Confluent, Apache Kafka, Kafka Streams, Postman, newman, MuleSoft, Dataweave, FHIR (Fast Healthcare Interoperability Resources), HL7, Cucumber, TestNG, Rest Assured, JSON, XML, Git, Bitbucket, Jira, Swagger/OpenAPI Specification, Service Mesh, OAuth, Apigee, Maven, Jenkins, SonarQube, Artifactory, UNIX, Shell
3w
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Principal Systems Engineer (API Gateway) - TS/SCI w CI Poly
Sterling, Virginia, United States
OnsiteFull Time
Modern Government Solutions
Modern Government Solutions: Provider of technical and programmatic services for government agencies.
16+ YOEActive DoD TS/SCI with CI Poly required, Security+ CE per DoD 8140, Bachelor's degree, 16+ years systems engineering experience, API gateway and cloud integration expertise, programming experience in Java/Python/C# and EMR of secure enterprise systems.
REST, GraphQL, AWS, Azure, Java, Python, C#, Broadcom API Gateway, MuleSoft, Apigee, Istio, Linkerd, ServiceNow, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), IBM Cloud, MBSE, Windows, ETL
1d
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Data Conversion Developer
Washington, District of Columbia, United States
$100k-$203k/yr RemoteFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
Design and build data‑migration/ETL for Oracle Cloud using SQL/PLSQL, FBDI, APIs and REST; map, validate, and execute cutovers; US citizenship required.
SQL, PL/SQL, Oracle Cloud FBDI, APIs, REST, ADF DI, Oracle Cloud, Oracle EBS
4d
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Lead Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, HTTP Protocol, AWS)
McLean or Plano or Richmond
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOEBachelor's degree and >=4 years software engineering experience; cloud experience (AWS/Azure/GCP); experience with Java/Python/Go and cloud security; familiarity with AI-assisted tooling and on-call incident response.
Java, Python, Go, REST, GraphQL, WAF, HTTP, AWS, AWS Lambda, DynamoDB, Application Load Balancers, Scala, Node.js, Microsoft Azure, Google Cloud, AI
1mo
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Associate Technical Analyst
Minneapolis or Herndon
$62k-$92k/yr OnsiteFull Time
Strategic Education
Strategic EducationNASDAQ: STRA: Provides online and campus-based post-secondary education services.
2+ YOE2+ years technical analyst experience; proficiency with REST/APIs, JSON, SQL, SSO, relational and non-relational databases; on-call rotations; Bachelor's degree strongly preferred.
Workforce Edge, Sophia, Salesforce, REST, APIs, JSON, SQL, SSO
2mo
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Senior Integrations Engineer
Baltimore or Seattle
$150k-$185k/yr OnsiteFull Time
Gradial
Gradial: Automates enterprise marketing operations and content supply chains.
5+ YOE5+ years software engineering experience building and shipping production integrations; strong API experience (REST, webhooks, OAuth); enterprise MarTech implementation experience; strong communication and ownership.
APIs, REST, webhooks, OAuth, Braze, Salesforce Marketing Cloud, Adobe Experience Platform, Contentful, AEM
2mo
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Pega System Architect
Fort George G Meade or Sterling or Huntsville
OnsiteFull Time
Offset Strategic Services
Offset Strategic Services: Provides technical engineering and training solutions for defense agencies.
3+ YOEBachelor's in CS/IT/Engineering; CPSA; 3+ years software/enterprise app dev; 2+ years Pega; TS/SCI clearance; REST/SOAP/APIs; Agile; DoD/government experience preferred.
Pega Platform, REST, SOAP, APIs, Java, JavaScript, SQL
1w
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Senior Technical Solutions Engineer
Knoxville or Tysons Corner or United States
RemoteFull Time
RegScale
RegScale: Automated compliance software for continuous security controls monitoring.
5+ YOE5+ years software engineering experience, strong scripting (Python/Bash), experience with cloud (AWS/GCP/Azure), integrations and REST APIs, customer-facing technical skills, and U.S. citizenship required.
Python, Bash, C#, Golang, Rust, Angular, SQL, Typescript, Java, JavaScript, AWS, GCP, Azure, Docker, Kubernetes, REST, APIs
3mo
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Cloud Security Specialist – Washington, DC
Washington or Falls Church
OnsiteContract
Creative Information Technology
Creative Information Technology: Provides IT solutions and software for government and healthcare sectors.
Extensive REST API experience; strong integration patterns; scripting for security orchestration.
REST API, Cloud platforms, Serverless, Automation/scripts, CASB, IAM, DevSecOps
1mo
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Lead Engineer - Mobile Platform - Cross-Platform - Remote
Minnetonka or Minneapolis or Washington or United States
$113k-$193k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
Experience designing and leading cross-platform (React Native) and native (iOS/Android) mobile platforms; strong mobile development (Swift, Kotlin/Java), APIs (REST/GraphQL), cloud, CI/CD; technical leadership and team mentoring.
React Native, Swift, Kotlin, Java, APIs, REST, GraphQL, Cloud platforms, CI/CD, AI/ML