1mo
Save
Mark Applied
Hide
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
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
Save
Mark Applied
Hide
Tool/API Integrator
Springfield, Virginia, United States
$139k-$236k/yr OnsiteFull Time
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
1w
Save
Mark Applied
Hide
API LIFE CYCLE AUTOMATION DEVELOPER
United States or Washington
HybridFull Time
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
Save
Mark Applied
Hide
API/Java/Python Developer, SME TS Clearance REQUIRED
Arlington, Virginia, United States
$88k-$191k/yr OnsiteFull Time
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
2w
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
3mo
Save
Mark Applied
Hide
Senior Cloud Security Specialist (API)
Washington, District of Columbia, United States
$160k-$200k/yr OnsiteContract
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
3w
Save
Mark Applied
Hide
Principal Systems Engineer (API Gateway) - TS/SCI w CI Poly
Sterling, Virginia, United States
OnsiteFull Time
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
4d
Save
Mark Applied
Hide
Data Conversion Developer
Washington, District of Columbia, United States
$100k-$203k/yr RemoteFull Time
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
1w
Save
Mark Applied
Hide
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
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
Save
Mark Applied
Hide
Associate Technical Analyst
Minneapolis or Herndon
$62k-$92k/yr OnsiteFull Time
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
Save
Mark Applied
Hide
Pega System Architect
Fort George G Meade or Sterling or Huntsville
OnsiteFull Time
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
Save
Mark Applied
Hide
Senior Technical Solutions Engineer
Knoxville or Tysons Corner or United States
RemoteFull Time
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
Save
Mark Applied
Hide
Cloud Security Specialist – Washington, DC
Washington or Falls Church
OnsiteContract
Extensive REST API experience; strong integration patterns; scripting for security orchestration.
REST API, Cloud platforms, Serverless, Automation/scripts, CASB, IAM, DevSecOps
1mo
Save
Mark Applied
Hide
Lead Engineer - Mobile Platform - Cross-Platform - Remote
Minnetonka or Minneapolis or Washington or United States
$113k-$193k/yr RemoteFull Time
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
1w
Save
Mark Applied
Hide
ServiceNow Developer
Springfield, Virginia, United States
$145k-$175k/yr OnsiteFull Time
5+ YOE5+ years ServiceNow platform development, 3+ years ITSM, ServiceNow CSA, Top Secret clearance (able to obtain TS/SCI with CI Poly), Agile experience, REST/SOAP/API integrations, Microsoft Office proficiency.
ServiceNow, Flow Designer, Integration Hub, REST, SOAP, APIs, Microsoft Word, Microsoft Excel, Microsoft Office
4w
Save
Mark Applied
Hide
Software Integration Engineer
Warrenton or Fort Eisenhower or Centennial or Augusta
$150k-$200k/yr OnsiteSeasonal
8+ YOEU.S. citizen with active TS/SCI, Bachelor's in CS/IS/Software Engineering, minimum 8 years relevant experience, end-to-end API/integration ownership, experience with REST/SOAP/GraphQL and Kafka/Azure Service Bus/SQS.
APIs, REST, SOAP, GraphQL, Kafka, Azure Service Bus, SQS
2mo
Save
Mark Applied
Hide
DS Systems Software Developer
Chantilly, Virginia, United States
OnsiteFull Time
Strong Java and data processing skills; ETL, SQL, and REST APIs in Big Data/cloud environments.
Java, J2EE, EJB, JDBC, Spring, REST, ETL, Linux, Cloud, Hadoop, Elasticsearch
3w
Save
Mark Applied
Hide
ArcGIS Enterprise Solutions Architect
Fairfax, Virginia, United States
$101k-$130k/yr OnsiteFull Time
5+ YOEBachelor's in GIS/Geography/CS/Engineering, 5–7 years designing and implementing ArcGIS Enterprise and hybrid GIS systems; experience with ArcGIS Online, Azure, AD/SSO, SQL Server/PostgreSQL, REST/APIs; leadership and architecture skills.
ArcGIS Enterprise, Portal for ArcGIS, ArcGIS Server, ArcGIS Data Store, Enterprise Geodatabases, ArcGIS Online, Azure, AD, SSO, SQL Server, PostgreSQL, REST, APIs, Python, PowerShell, Docker, Kubernetes
2mo
Save
Mark Applied
Hide
Senior Application Engineer - Oracle ERP-PVM & Ivalua VenDoor
Vienna, Virginia, United States
$131k-$180k/yr HybridFull Time
7+ YOEBachelor or Master in CS/IS or related; 7+ years software development; Oracle Cloud (HCM/ERP-PVM) and Ivalua; REST/SOAP integrations; OCI; Git/GitHub Actions; API design; Java/JavaScript/SQL; Agile; strong problem solving.
Oracle Cloud, Oracle Integration Cloud (OIC), Oracle Visual Builder, Ivalua VenDoor, REST, SOAP, SFTP, OCI, Git, GitHub Actions, APIs, Java, JavaScript, HTML, CSS, PL/SQL, BI Publisher, OTBI, OAF, APEX, Unix Shell, Python, XML, JSON
4w
Save
Mark Applied
Hide
Sr. Salesforce Technical Architect II (6671)
Washington, District of Columbia, United States
$166k-$184k/yr HybridFull Time
8+ YOE8+ years software engineering/architecture experience with 6+ years hands-on Salesforce; deep expertise in Apex, LWC, OmniStudio, Flow; enterprise integrations (REST/SOAP/APIs); Bachelor’s degree or equivalent; active Secret clearance; Salesforce architect certification required.
Apex, Lightning Web Components (LWC), OmniStudio, Flow, Einstein, Agentforce, REST, SOAP, APIs, DevSecOps