48 api testing jobs at 40 companies in Commerce City, CO

4w
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Security Testing Specialist Sr - Tuesday - Saturday - 11pm - 7am MST
Denver or Phoenix or United States
$112k-$229k/yr OnsiteFull Time
PNC Financial Services
PNC Financial ServicesNYSE: PNC: Provides banking, lending, and investment services to customers.
8+ YOEExperienced application security tester with manual and automated dynamic testing experience, familiarity with Burp Suite and OWASP Top 10, API and cloud testing preferred, typically 8+ years experience and a bachelor\u0002s degree.
Burp Suite, Agentic AI, OWASP Top 10
1mo
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Senior Software Engineer (Hogan API)
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
5+ YOEBachelor's degree or equivalent and 5+ years relevant experience. Experience with mainframe/Hogan development (COBOL, JCL, CICS), APIs, system design, testing, security, and cross-team collaboration; Scrum familiarity.
Hogan COBOL, JCL, CICS, JSON, Splunk, IMS Database, GitLab, IDz/RDz (IBM Developer for zOS), Jira
6d
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Associate Quality Assurance Engineer Denver (Hybrid)
Denver, Colorado, United States
$70k-$78k/yr HybridFull Time
Broadridge
BroadridgeNYSE: BR: Provides technology and infrastructure for global financial services.
Bachelor's degree or equivalent in CS/IT/Engineering, knowledge of software testing methodologies, strong analytical and communication skills, experience with manual testing and defect tracking; SQL, API or scripting familiarity preferred.
SQL, APIs
1mo
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SDET/Automation QA Engineer
Columbus or Austin or Denver or United States
$125k-$145k/yr HybridFull Time
Lower
Lower: Provides digital mortgage lending and homeownership financial services.
3+ YOE3+ years QA/SDET experience; build Playwright e2e and Postman API tests; write API tests in TypeScript; integrate tests into CI/CD; agile experience and strong communication skills.
Playwright, Postman, TypeScript, Slack
3w
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Quality Assurance Engineer
Denver, Colorado, United States
$110k-$125k/yr RemoteFull Time
Trilon Group
Trilon Group: Providing engineering and design services for community infrastructure.
4+ YOE4+ years QA experience, strong test automation skills for API/backend/UI, proficiency in Python or JavaScript, CI/CD and REST testing, experience evaluating AI/LLM outputs and RAG pipelines, strong communication and analytical skills.
Python, JavaScript, CI/CD, API, REST, LLM, Retrieval-Augmented Generation (RAG)
2mo
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Mid-Level Test Engineer (TS/SCI with CI Poly Required)
Aurora, Colorado, United States
$80k-$100k/yr OnsiteFull Time
DeNOVO Solutions
DeNOVO Solutions: Provides defense and intelligence technology, software engineering, and cybersecurity services.
2+ YOE2-5 years software testing, TS/SCI with CI Poly required, automated testing, REST API testing, CI/CD, strong programming in JS/TS.
Cypress, Playwright, Selenium, Jest, Mocha, Postman, REST Assured, Supertest, k6, JMeter, Gatling, Pact, Docker, Kubernetes, Go, Node.js, Python, Cucumber, SpecFlow, AWS
3mo
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Senior Software Developer
Louisville, Colorado, United States
$118k-$144k/yr OnsiteFull Time
CableLabs
CableLabs: Research and development for the broadband and cable industry.
5+ YOE5+ years of professional software development; proficient in Python; strong SQL and relational DB design; Git and CI/CD; REST APIs; testing with pytest; good communication.
Python, SQL, Git, pytest, REST API, JavaScript, TypeScript, Node.js, CI/CD, GitLab CI
1w
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R&D Engineer SW Quality 3
Broomfield, Colorado, United States
$91k-$146k/yr OnsiteFull Time
Broadcom
BroadcomNASDAQ: AVGO: Designs and sells semiconductors and infrastructure software to enterprises.
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
2d
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Senior Quality Analyst
Phoenix or Denver or Grand Junction
$7k-$8k/mo HybridFull Time
Contexture
Contexture: Provides health information exchange services in Arizona and Colorado.
5+ YOE5+ years QA experience designing/executing manual and automated tests; Bachelor’s in IT or related; experience with SQL, Mongo, APIs, HL7, XML/JSON; strong analytical and documentation skills.
SQL, Mongo, APIs, web services, HL7, XML, JSON, REST, Postman, Swagger, EHR, HIE
2mo
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Software Engineer Lead
Denver or United States
$100k-$135k/yr RemoteFull Time
Resource Innovations
Resource Innovations: Provides clean energy services and software solutions for utilities.
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
1mo
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Product Manager
Denver or United States
$105k-$130k/yr RemoteFull Time
ForceMetrics
ForceMetrics: Provides real-time data analytics software for public safety agencies.
3+ YOE3+ years PM experience in SaaS or public safety/govtech, data fluency with APIs, startup experience, end-to-end product delivery, strong communication, US citizenship, pass FBI background check and drug test.
APIs
2d
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Software Quality Engineer III
Englewood, Colorado, United States
$72k-$103k/yr OnsiteFull Time
EchoStar
EchoStarNasdaq: SATS: Global provider of satellite solutions and wireless communications services.
3+ YOE3-5 years QA/testing or related experience; bachelor’s degree or equivalent experience; experience with manual/regression testing, test automation, Salesforce testing, API testing; strong documentation and collaboration skills.
Salesforce, Linux
2mo
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Automated Tester
Aurora or Herndon
$85k-$128k/yr OnsiteFull Time
Two Six Technologies
Two Six Technologies: Develops cybersecurity and data systems for national security missions.
3+ YOE1-3 years of software testing experience; automated test frameworks; REST API testing; CI/CD integration; strong test design; Git workflows; agile/sDLC knowledge; excellent test documentation.
JavaScript, TypeScript, Cypress, Playwright, Selenium, Jest, Mocha, k6, JMeter, Gatling, Pact, Docker, Kubernetes, Go, Node.js, Python, Git
1w
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Senior Software Engineer — PingOne Platform Administration & Security
Austin or Denver
$110k-$138k/yr OnsiteFull Time
Ping Identity
Ping Identity: Provides identity and access management software for enterprise security.
5+ YOE5+ years software engineering; strong backend experience building production services; 3+ years Java; experience with NodeJS and TypeScript desired; REST APIs, cloud-native, CI/CD, automated testing, Agile, mentoring and technical leadership.
Java, NodeJS, TypeScript, MCP server, REST API, CI/CD
3mo
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Software Test Engineer
Aurora or Annapolis Junction
$60-$96/hr RemoteFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
3+ YOE3+ years software engineering in Agile; testing, JS/TS/Java; Playwright/Cypress; REST APIs; CI/CD; TS/SCI with polygraph; Bachelor's degree; ISTQB desirable.
Playwright, Cypress, JavaScript, TypeScript, Java, GitHub Actions, Jenkins, GitLab CI, Bitbucket Pipelines, REST APIs, Selenium
1mo
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QA/UAT Engineer
Toronto or Vancouver or San Francisco or Denver or New York City
$100k-$150k/yr RemoteFull Time
Nylas
Nylas: Provides APIs for email and calendar integration.
3+ YOE3+ years QA/SDET experience; strong test automation, API and browser testing, Go familiarity, CI/CD and cloud-native tooling, and experience with AI-assisted testing tools.
Go (Golang), gRPC, REST, Playwright, Cypress, Selenium, Claude Code, Codex, Cursor, Postman, grpcurl, k6, Docker, Kubernetes, GitHub Actions, kubectl, GitOps, TypeScript, Python
2mo
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Software Engineer II (Frontend)
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$103k-$186k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years frontend software development; strong TS/JS/React; Next.js; Rails familiarity; API integration; accessibility; testing; A/B testing; AI tools.
TypeScript, JavaScript, React, Next.js, Ruby on Rails, REST, GraphQL, Redis, Kafka, MySQL, Terraform, CI/CD, Monorepos, UI Libraries, AI Tools
1mo
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Senior Associate, Tech Quality Assurance
Bengaluru or New York City or Toronto or Los Angeles or Austin or Denver or Kansas City or London
HybridFull Time
GALE
GALENASDAQ: STGW: Global agency providing data-driven marketing and business strategy services.
2+ YOE2+ years software QA for web platforms, experience with functional and automation testing, Playwright/Selenium, scripting in Python/Java/JavaScript/TypeScript, API testing (Postman), CI/CD and Agile experience; CMS testing (WordPress/Contentful) desirable.
Playwright, Selenium, Python, Java, JavaScript, TypeScript, Postman, WordPress, Contentful, Git, Azure DevOps, GitHub Actions, Jenkins
1mo
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AI Software Developer
Grand Rapids or Denver or Chicago or Massachusetts or New Hampshire or New York or North Carolina or Oregon or Texas or Utah or Vermont or Virginia or United States or Canada
$120k-$160k/yr RemoteFull Time
Campspot
Campspot: Software for booking and managing campgrounds and RV parks.
3+ YOE3+ years professional software development; experience with Claude Code and Anthropic API; strong TypeScript and React; knowledge of prompt engineering, REST APIs, async patterns; ability to review AI-generated code and write tests.
Claude Code, Anthropic API, TypeScript, React, REST APIs
2mo
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Principal Integration and Test Engineer
Boulder, Colorado, United States
$160k-$180k/yr OnsiteFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
3+ YOEDesign, develop, and execute CI/CD tests; verify system functionality; collaborate in Agile team; DoD Secret clearance.
Jira, Confluence, GitLab CI/CD, Docker, APIs