178 rest api jobs at 107 companies in Louisville, CO
3w
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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
2w
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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
2d
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Technical Account Manager
Denver or New York City
$97k-$110k/yr OnsiteFull Time
Experience in technical account management, implementation, or SaaS solution support; knowledge of APIs, JSON, XML, REST, troubleshooting, analytics, enterprise clients, and cross-functional engineering collaboration.
API, JSON, XML, REST, Salesforce
3w
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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
2mo
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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
5d
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Adobe Workfront Fusion Consultant
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$59k-$196k/yr RemoteFull Time
5+ YOERequires 5+ years in marketing technology implementation, 3+ years developing Workfront Fusion workflows, 2+ years with APIs, JSON, REST, and data mapping, plus a degree or equivalent experience.
Adobe Workfront Fusion, Adobe Experience Manager, Jira, Slack, Veeva, Salesforce, APIs, JSON, REST, Adobe Campaign, Marketo
2d
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Quality Analyst
Phoenix or Denver or Grand Junction
$6k-$7k/mo RemoteFull Time
3+ YOERequires 3+ years of QA technical experience and a bachelor's or associate degree in IT, computer science, computer engineering, or a related technical field. Experience with SQL, APIs, XML, JSON, REST, or web services.
SQL, Mongo, APIs, web services, XML, JSON, REST, HL7, Postman, Swagger, Electronic Health Record (EHR), Health Information Exchange (HIE)
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
1w
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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)
2w
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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
1mo
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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
1mo
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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
1w
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TypeScript Developer
Boulder, Colorado, United States
$80k-$110k/yr RemoteFull Time
Requires strong TypeScript and modern framework skills, interactive web interface experience, REST/JSON API integration, Git, web tooling, and a relevant degree or equivalent hands-on experience.
TypeScript, React, REST, JSON, Git, MapLibre GL, Leaflet, deck.gl, PMTiles, GeoJSON, Learning Management System (LMS), Employee Assistance Program (EAP)
3w
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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
4w
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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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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
1mo
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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
1w
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Front End Software Developer
Sterling or Sarasota or Denver or Aurora
$82k-$172k/yr OnsiteFull Time
5+ YOERequires 5+ years of front-end development, bachelor's degree, JavaScript/TypeScript, HTML/CSS, Git, REST APIs, Agile collaboration, TS/SCI with CI poly, and Security+ certification or willingness to obtain.
TypeScript, Java, Spring Boot, Spring Framework, REST, JavaScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostgreSQL, MySQL, Redis, AWS DynamoDB, AWS EC2, AWS RDS, Amazon S3, Amazon SNS, Amazon SQS, Git, Jira, Confluence, GitLab CI/CD, SonarQube, SAST, React, Angular, Docker, Kubernetes, GitLab, WebSockets
1w
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Front End Software Developer
Sterling or Sarasota or Denver or Aurora
$82k-$172k/yr OnsiteFull Time
5+ YOERequires 5+ years of front-end development, a bachelor's degree, JavaScript/TypeScript, HTML/CSS, Git, REST APIs, Agile collaboration, TS/SCI with CI poly, and Security+ certification or willingness to obtain it.
TypeScript, Java, Spring Boot, Spring Framework, REST, JavaScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostgreSQL, MySQL, Redis, AWS DynamoDB, Amazon Web Services, Amazon EC2, Amazon RDS, Amazon S3, Amazon SNS, Amazon SQS, Lambda, Git, Jira, Confluence, GitLab CI/CD, SonarQube, SAST, React, Angular, Vue.js, HTML, CSS, Docker, Kubernetes
2mo
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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