PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2mo
Save
Mark Applied
Hide
Java API Developer
Herndon, Virginia, United States
HybridFull Time
3+ YOEBachelor’s degree and 2–5 years of experience with Java, JavaScript, API-based software; TS/SCI with CI Poly clearance required.
Java, Spring Boot, JavaScript, REST APIs, GraphQL, SOAP, Postman, Swagger UI, Apache Kafka, NiFi, SQL, NoSQL, Git, AWS, Azure, GCP, Docker, Kubernetes
1w
Save
Mark Applied
Hide
eGRC Senior API Developer
Herndon, Virginia, United States
RemoteFull Time
10+ YOEBachelor's degree, 10+ years relevant experience (≥5 years development/scripting, ≥2 years cybersecurity operations), SOAR development, scripting, GitHub, RMF knowledge, US citizenship and ability to obtain security clearance.
SOAR, RegScale, Axonius, GitHub, Microsoft Visio, Tines, Splunk Phantom, Robotic Process Automation (RPA)
1w
Save
Mark Applied
Hide
Application / API Lifecycle Automation Developer
Herndon, Virginia, United States
$160k-$195k/yr RemoteFull Time
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
6d
Save
Mark Applied
Hide
Senior API Platform Engineer
Reston, Virginia, United States
OnsiteFull Time
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
Save
Mark Applied
Hide
Senior API Systems Engineer
Sterling, Virginia, United States
$150k-$254k/yr OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Principal Engineer, API & MCP Platform
Reston or Somerville
$220k-$250k/yr HybridFull Time
10+ YOESenior-level principal engineer for API and MCP platform; hybrid role; Reston, VA or Somerville, MA; high ownership and hands-on leadership.
API design, MCP (Model Context Protocol), Semantic APIs, GCP, Vertex AI Context Caching, BigQuery, Snowflake, Apigee
1mo
Save
Mark Applied
Hide
Full Stack Developer
Chantilly, Virginia, United States
$112k-$222k/yr OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
SME Systems Engineer- API Gateway & Cloud Architecture
Sterling, Virginia, United States
$180k-$230k/yr OnsiteFull Time
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
3w
Save
Mark Applied
Hide
GenAI Developer
Ashburn, Virginia, United States
HybridFull Time
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
1w
Save
Mark Applied
Hide
RPA UIPath Developer
Herndon, Virginia, United States
HybridFull Time
US citizenship required; hands-on UiPath and RPA experience with Office365, APIs, AiFabric, Document Understanding/OCR; strong communication, analytical and documentation skills; UiPath Advanced RPA Developer (UiARD) preferred.
UiPath, AiFabric, Document Understanding, OCR, Microsoft Office365, Microsoft SharePoint, Microsoft Outlook, Microsoft Excel, APIs, RESTful services
2mo
Save
Mark Applied
Hide
Software Developer
Reston, Virginia, United States
OnsiteFull Time
2+ YOETwo years of full-stack software development; TS/SCI with poly; Bachelor's degree; Node.js; cloud deployment; API design.
Node.js, AWS, Azure, VMware, Docker, Kubernetes
3mo
Save
Mark Applied
Hide
Software Engineer - .NET / APIS
Reston, Virginia, United States
OnsiteFull Time
3+ YOE3–5 years backend software engineering; strong C#/.NET; APIs and microservices; relational databases; CI/CD; cloud platforms; GitHub.
C#, .NET, APIs, REST, gRPC, SQL Server, MySQL, GitHub, Azure DevOps, Jenkins, Docker, Kubernetes, Kafka, RabbitMQ, IBM MQ, AWS, Azure, React, JavaScript, TypeScript
1mo
Save
Mark Applied
Hide
Senior Developer
Herndon, Virginia, United States
$94k-$198k/yr OnsiteFull Time
9+ YOETS/SCI with Poly required; 9+ years' relevant experience with BS in Computer Science or equivalent. Experience with PowerShell, Puppet, VPN/IPSEC/SSL, SQL, Ruby, Java, C++, .net, API integration, and secure remote administration; strong communication and mission focus.
Windows Powershell, Puppet, VPN, IPSEC, SSL, C2S, SQL, Ruby, JAVA, C++, .net, API, PKI, LDAP
3w
Save
Mark Applied
Hide
dotCMS Developer
Reston, Virginia, United States
$90k-$190k/yr HybridFull Time
Experience with dotCMS and web development (Java, HTML, CSS, JavaScript), familiarity with RESTful APIs and integrations, strong problem-solving and communication skills; Bachelor's degree preferred.
dotCMS, Java, HTML, CSS, JavaScript, RESTful APIs
3w
Save
Mark Applied
Hide
Software Engineer I
Sparks or Sacramento or Dayton or Hagerstown
$45k-$52k/yr OnsiteFull Time
1+ YOEBachelor's in CS/IS or 3 years' equivalent experience; 1–2 years web/app development (JavaScript/CSS) preferred; experience or exposure to ColdFusion, React, MySQL; familiarity with APIs, Git, and Jira; strong communication and problem-solving.
ColdFusion, React, HTML5, CSS3, JavaScript (ES6), Bootstrap, jQuery, MySQL, APIs, webhooks, XML, JSON, CSV, Git, Jira, AWS, Azure, Warehouse Management System (WMS), Electronic Data Interchange (EDI)
2mo
Save
Mark Applied
Hide
Web Developer
Herndon, Virginia, United States
$170k-$220k/yr OnsiteFull Time
6+ YOEActive TS/SCI with Full Scope Polygraph; 6+ years web development; strong frontend skills; secure development practices.
HTML, CSS, JavaScript, TypeScript, React, Angular, Vue, APIs, Git, DevOps
2w
Save
Mark Applied
Hide
Software Engineer
Herndon or McLean or Chantilly
OnsiteFull Time
Proficiency with modern front-end JavaScript frameworks or backend languages, microservices architecture, AWS cloud development, SQL and NoSQL databases, and RESTful API development.
React, Angular, Vue.js, Java, Python, NestJS, NodeJS, TypeScript, React Query, AWS, Lambda, DynamoDB, S3, API Gateway, PostgreSQL, MySQL, MongoDB, RESTful APIs, Camunda, Flowable, n8n.io, JIRA, Confluence, CI/CD
2w
Save
Mark Applied
Hide
Senior Software Developer
Herndon, Virginia, United States
HybridFull Time
5+ YOE5+ years software development experience, bachelor's in CS or related, proficiency in object-oriented design, REST APIs, client-side development, SQL/T-SQL and SSIS; TS/SCI with CI polygraph required.
JavaScript, jQuery, Angular 4, Ajax, HTML5, XML, SQL, T-SQL, SSIS, REST
3w
Save
Mark Applied
Hide
Application Developer - Senior
Colorado Springs or Reston
$60k-$180k/yr HybridFull Time
7+ YOE7+ years software development, 5+ years ServiceNow, Java knowledge, 4+ years development lead experience, integration/API development, IT-II/Tier 3/NACLC/ANACI eligibility or current Tier 3 investigation; relevant ServiceNow and agile certifications preferred.
ServiceNow, Java
1w
Save
Mark Applied
Hide
SME Systems Engineer - API (TS/SCI w/ CI Poly required)
Sterling, Virginia, United States
OnsiteFull Time
10+ YOEActive TS/SCI with CI poly, Security+ CE or higher, 10+ years relevant experience, STEM degree, API gateway expertise (5+ years), Java/Python/C# proficiency, cloud and containerization experience.
API gateway, Broadcom API, AWS, Azure, Google Cloud Platform, Docker, Kubernetes, Java, Python, C#, MuleSoft, Apigee, Istio, Linkerd, ServiceNow
Explore Jobs