158 rest api jobs at 100 companies in Northglenn, CO
2w
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API Developer
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
OnsiteFull Time
8+ YOE8+ years Java/J2EE experience building RESTful APIs using Spring Boot and microservices; experience with DevOps, Kafka, IBM MQ, SQL/NoSQL and cloud platforms required.
Java, J2EE, Spring Boot, Microservices, REST API, Angular, XML, JSON, Swagger, Jenkins, uDeploy, GIT, Kafka, IBM MQ, SQL, No Sql, AWS, Azure, GitHub, CI/CD, React, JavaScript, HTML, CSS, JSON Web Token (JWT), UML, XPath
4d
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API Engineer
Boulder, Colorado, United States
$80k-$110k/yr HybridFull Time
1+ YOEExperience building and maintaining APIs, data schemas/versioning, testing and CI/CD; proficiency with Git, Linux, and modern programming languages; Master's or Bachelor's plus 1-2 years API/pipeline experience.
Python, REST, JSON, OpenAPI, JSON Schema, Git, Linux, Docker, Terraform, CloudFormation, GitHub Actions, GeoJSON, GeoParquet, R, Shiny, Rust, AWS
1mo
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API Integrations Developer
Denver, Colorado, United States
$119k-$133k/yr HybridFull Time
4+ YOEBachelor's in CS or related required; 4+ years backend experience (Python, Node.js, Java, or .NET); HL7 FHIR and X12 EDI experience; strong REST API, security (OAuth2, JWT, mTLS), SQL, and HIPAA knowledge; experience with cloud and CI/CD.
Python, Flask, FastAPI, Django, Node.js, Java, .NET, OpenAPI/Swagger, Postman, X12 EDI, HL7 FHIR, HL7 v2, CDA, EHRs, Docker, Kubernetes, GitHub Actions, Azure DevOps, Jenkins, ELK, Datadog, Prometheus, Grafana, AWS, Azure, GCP, SQL Server, Snowflake, Data Vault 2.0, pytest, JUnit, Pact, k6, Locust, OAuth2, JWT, mTLS, RBAC/ABAC, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outlook, Microsoft SharePoint
2w
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Full-Stack Developer
Broomfield, Colorado, United States
HybridFull Time
4+ YOEBachelor's in Computer Science or related, 4+ years full-stack development, proficiency with .NET, C#, ASP.NET MVC, REST/APIs, JavaScript/TypeScript, and Microsoft SQL Server.
.NET, .NET Framework, ASP.NET, MVC, C#, Microsoft Visual Studio, Microsoft SQL Server, XML, JSON, TypeScript, JavaScript, jQuery, HTML, CSS, REST, Web API
1mo
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Ivalua Technical Lead
Houston or Milwaukee or Dallas or Columbus or Cincinnati or New York City or Austin or Cleveland or Oklahoma City or Albany or Chicago or St. Petersburg or Hartford or St. Louis or Sacramento or Raleigh or Minneapolis or Mountain View or Denver or Boston or Philadelphia or Des Moines or Overland Park or Walnut Creek or Charlotte or Seattle or Carmel or Atlanta or Arlington or Bentonville or Nashville
$63k-$219k/yr OnsiteFull Time
5+ YOE5+ Mgmt5+ years leading Ivalua technical implementation teams, 3+ years building REST/SOAP API integrations, Ivalua certified, knowledge of SAP/PeopleSoft/Deltek, bachelor’s degree or equivalent.
Ivalua, REST, SOAP, SAP, PeopleSoft, Deltek, API
1mo
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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
1d
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Lead Integration Engineer
Littleton, Colorado, United States
$110k-$157k/yr OnsiteFull Time
8+ YOEBachelor's in CS/IT,8 years enterprise systems integration/API management,5+ years in API governance, Dynatrace, vendor integrations, and REST/GraphQL; knowledge of MCP and agentic A2A standards.
Dynatrace, REST, GraphQL, Model Context Protocol (MCP)
6d
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Senior Software Engineer
Denver, Colorado, United States
$185k-$225k/yr OnsiteFull Time
Experience with full-stack development, microservices, cloud, containers, Kubernetes, REST APIs, modern web frameworks, CI/CD tools, and TS/SCI clearance with CI polygraph.
REST, AWS, GCP, Azure, Kubernetes, Docker, Node.js, NPM, Linux, Subversion, Git, JIRA, Confluence, HTML5, CSS, SASS, Less, Stylus, Browserify, WebPack, Closure, Angular, Ember, React, Redux, Reactive, VueJS, SVG, HTML5 Canvas, WebGL, WebSockets, Svelte, Cesium, OpenLayers, Spring
3w
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Automation Engineer
Aurora or Herndon
$113k-$169k/yr OnsiteFull Time
2+ YOE2+ years software testing experience; proficiency with automated testing frameworks, integration and REST API testing, CI/CD integration, Git, strong debugging and communication skills.
Cypress, Git, JavaScript, TypeScript, Playwright, Selenium, Jest, Mocha, Postman, REST, Assured, Supertest, k6, JMeter, Gatling, Pact, Docker, Kubernetes, go, Node.js, Python, AWS, C2S
2w
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Network Automation Engineer II
Dublin or Fremont or Denver
$73k-$115k/yr OnsiteFull Time
3+ YOE3+ years in automation/data/DevOps, strong Python, API (REST/GraphQL) experience, SQL and ETL familiarity, job orchestration experience, data quality and large-dataset handling.
Python, PHP, Hack, Bash, GraphQL, REST, Thrift, SQL, Hive, Presto, Airflow, cron
2w
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R&D Engineer SW Quality 3
Broomfield, Colorado, United States
$91k-$146k/yr OnsiteFull Time
8+ YOEBachelor's in engineering, 8+ years software testing experience, strong automation (Python), Linux/Windows/VMware skills, networking and SAN knowledge, JIRA and REST API experience.
Python, Linux, Windows, VMware, JIRA, REST API, Claude Code, Gemini AI
1mo
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Product Owner - Kiosk Software & Hardware Platform
Louisville, Colorado, United States
OnsiteFull Time
5+ YOE5+ years product owner/business analyst/project management experience in software; experience with Azure DevOps, REST API integrations, Figma; strong communication and stakeholder management skills.
Azure DevOps, REST API, Figma
1mo
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Backend Engineer - Mission Operations Services
Golden or San Francisco or Toulouse
$140k-$190k/yr OnsiteFull Time
Production Python experience, Docker, backend web frameworks (Django/Flask/FastAPI), API design (HTTP/GraphQL/REST), and strong backend engineering for mission-critical systems; familiarity with databases and observability.
Python, Docker, Django, Flask, FastAPI, GraphQL, HTTP, REST, Postgres, Kubernetes, InfluxDB, TimescaleDB
2w
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Fullstack Engineer
Boulder, Colorado, United States
$95k-$115k/yr HybridFull Time
3+ YOE3+ years software engineering experience, strong C#/.NET and SQL Server skills, REST API and distributed services experience, working knowledge of JavaScript, SDLC experience, debugging and problem-solving.
C#/.NET, REST, SQL Server, JavaScript
1mo
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Federal Support Engineer 3
Denver, Colorado, United States
$92k-$134k/yr HybridFull Time
5+ YOE5+ years delivering technical support in SaaS for regulated public‑sector customers; hands-on with APIs/REST, networking, distributed systems, cloud technologies; strong communication, mentoring, and on-call availability.
APIs, RESTful
3w
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Software Developer Technical Lead
Centennial, Colorado, United States
$100k-$120k/yr OnsiteFull Time
5+ YOE1+ MgmtBachelor's in CS or related,5+ years full-stack .NET development,1+ year leading technical resources,experience with Angular/React,REST/SOAP,APIs,Agile,strong OOP and communication skills.
.NET framework, C#, Java, JavaScript, MVC, Angular 10, React, TypeScript, jQuery, SQL Server, RabbitMQ, Swagger Docs, REST, SOAP, AWS
3mo
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Software Engineer Lead
Denver or United States
$100k-$135k/yr RemoteFull Time
6+ YOEHands-on PHP 8.x with Laravel, Vue.js, REST APIs, TS; 6+ years PHP; 4+ years Vue; Git; Agile; SaaS; AWS/serverless; tests Pest/PHPUnit preferred.
PHP, Laravel, Vue.js, Tailwind CSS, REST API, Git, Pest, PHPUnit, NPM, Vite
2mo
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IT Software Engineer
Englewood, Colorado, United States
OnsiteFull Time
2+ YOEBachelor's degree or equivalent in healthcare environment, 2+ years IT experience as application/technical analyst, strong Salesforce development skills (Apex, LWC, SOQL), REST/SOAP APIs, Git, CI/CD, and unit testing.
Apex, LWC, SOQL, REST, SOAP, Git, CI/CD
2w
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Principal, Software Engineering (Adobe - Integrations & Automations)
Atlanta or Boston or Chicago or Denver or Los Angeles or New York or Salt Lake City or San Diego or Canada
$136k-$168k/yr RemoteFull Time
6+ YOE6+ years backend/software integration experience; expertise with REST, GraphQL, serverless, webhooks, OAuth; Adobe Workfront, Workfront Fusion, App Builder, Commerce API Mesh, and AEM experience; strong troubleshooting and consultative skills.
REST, GraphQL, OAuth, Adobe Workfront, Adobe Workfront Fusion, Adobe App Builder, Adobe Commerce API Mesh, AEM Assets, Metaview
1mo
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Automation Developer
Denver, Colorado, United States
$100k-$150k/yr OnsiteFull Time
5+ YOEExperience with Automation Anywhere (A360) and Microsoft Power Automate, enterprise integrations (SAP ECC), REST/SOAP APIs, SQL, scripting (Python, C#, JavaScript or VBScript), CI/CD and production support; bachelor’s in CS/IT required.
Automation Anywhere (A360), Microsoft Power Automate, SAP ECC, REST, SOAP, JSON, XML, Microsoft Outlook, Microsoft Excel, Microsoft SharePoint, webMethods, Git, Microsoft Azure DevOps, Python, C#, JavaScript, VBScript, SQL, Power Apps, Power BI