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33 api testing jobs at 29 companies in Lancaster, CA

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Software Development Engineer in Test II (SDET Contractor)
Los Angeles, California, United States
$52-$78/hr OnsiteContract
Sony Interactive Entertainment
Sony Interactive EntertainmentNYSE: SONY: Provides PlayStation gaming hardware, software, and digital network services.
Hands-on automation experience building UI and API tests in Python (3.11) with pytest, experience with Appium or Selenium, API testing (requests/Postman), Jenkins, Git, and test management tools; strong test design and troubleshooting skills.
Python 3.11, pytest 7, Appium 2, Selenium 4, requests, Postman, Jenkins, Git, qTest, TestRail
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2mo
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Delivery Excellence - Tech Enablement - Senior Developer - Manager
New York or Tampa or Atlanta or Chicago or Washington or Dallas or Los Angeles or Miami or Boston or San Diego or San Francisco or Silicon Valley or Philadelphia or Seattle
$99k-$232k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
4+ YOE2+ MgmtBachelor's degree; 4+ years in software engineering; strong Java, Python, C++, and JavaScript; experience leading teams; API management; CI/CD; ATDD a plus.
Java, Python, C++, JavaScript, APIs, CI/CD, Application frameworks, Software testing
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1mo
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Full-Stack AI Application Contractor
Van Nuys, California, United States
$50-$80/hr OnsiteContract, Part Time
WHY Brands
WHY Brands: Designs and develops consumer lifestyle and baby products.
5+ YOE5+ years full-stack development experience; strong React, TypeScript, JavaScript, Tailwind, backend/API and SQL skills; AI/LLM experience preferred; strong coding, testing, security, and communication skills.
React, TypeScript, JavaScript, Tailwind, SQL, APIs, LLM
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1mo
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Application & Systems Engineer (Los Angeles, CA, US)
Los Angeles or San Diego
$110k-$150k/yr RemoteFull Time
dormakaba
dormakabaSIX Swiss Exchange: DOKA: Manufactures and services building access and security systems.
3+ YOEBachelor's in CS/Engineering, 3+ years application/systems engineering, strong Python, REST API/JSON/OAuth experience, test automation and CI/CD, familiarity with access control protocols (OSDP, Wiegand), and mobile wallet integrations.
Python, REST API, JSON, OAuth, SDKs, Apple Wallet, Google Wallet, NFC, BLE, OSDP, Wiegand, CI/CD
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QA Engineer (Software)
Los Angeles, California, United States
$40/hr OnsiteFull Time
Vast.ai
Vast.ai: Decentralized marketplace for GPU cloud computing resources.
3+ YOE3+ years testing web applications, experience with test automation, writing test plans/cases, strong test methodology knowledge, attention to detail; API testing experience (Postman/Newman) and Linux proficiency are nice to have.
Postman, Newman, Linux
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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
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1mo
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< intérimaire > Analyste AQ/<Temp> QA Analyst
Quebec or British Columbia or Los Angeles or Canada
$35-$50/hr RemoteContract, Temporary
Singularity 6
Singularity 6: Develops and publishes online multiplayer simulation video games.
Proven QA/tester experience in game development, studio integration, Live Service operations, test plan and test-case creation, API testing and familiarity with Unreal Engine; ISTQB CTEL or equivalent a plus.
Unreal Engine
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Quality Analyst - Onsite
Chatsworth, California, United States
$75k-$90k/yr OnsiteFull Time, Part Time
Premier America Credit Union
Premier America Credit Union: Provides member-owned banking, lending, and investment financial services.
5+ YOE5+ years QA experience with manual and automated testing, Bachelor's in IT/CS or related, experience in Agile, regression and API testing, Selenium and Postman expertise, TestRail/Zephyr, Bitbucket, and Jira proficiency.
Jack Henry’s Symitar, Salesforce, Selenium, Postman, TestRail, Zephyr, Bitbucket, Jira, Appium
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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
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3w
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QA Engineer
Los Angeles, California, United States
$110k-$125k/yr HybridFull Time
Connexity
ConnexityNASDAQ: TBLA: Operates a performance marketing platform for retailers and publishers.
3+ YOE3+ years in software QA/testing, experience testing web and mobile apps, test automation (Selenium/Cypress/Playwright), API testing (Postman/Insomnia), SQL, Agile experience, Jira/TestRail usage, Linux command-line familiarity, strong communication and problem-solving skills.
Selenium, Cypress, Playwright, Postman, Insomnia, SQL, Jira, TestRail, Linux, Unix, JavaScript, Python, Bash, HTTP, REST APIs
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1mo
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Senior QA Automation Engineer
New York or Houston or Los Angeles or Boston or Jersey City
$53-$58/hr RemoteContract
Makai Labs
Makai Labs: Provides AI-powered enterprise automation and human-machine teaming solutions.
5+ YOE5+ years QA experience testing complex web apps; expertise in modern QA methodologies, SDLC/STLC in Agile, SQL/database testing, automation with Cypress/Playwright/Selenium, ability to read JavaScript/TypeScript/Python, and API testing with Postman.
Cypress, Playwright, Selenium, Postman, JavaScript, TypeScript, Python, SQL, SQL Server, PostgreSQL, MySQL
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2mo
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Lead QA Engineer
Los Angeles or Tustin or Dallas
$132k-$167k/yr HybridFull Time
Lendistry
Lendistry: Technology-enabled lender providing capital to small businesses.
5+ YOE2+ Mgmt5–8+ years software quality assurance, 2+ years in leadership; manual and automated testing; Selenium/Cypress/Playwright; API testing; CI/CD; Agile; Jira; programming in JavaScript/Python/Java.
Selenium, Cypress, Playwright, Postman, REST Assured, Jenkins, GitHub Actions, GitLab CI, Jira, JavaScript, Python, Java
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2mo
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Full Stack Engineer, Growth
Los Angeles or New York
$131k-$175k/yr OnsiteFull Time
Fanatics
Fanatics: A global digital sports platform for merchandise and collectibles.
5+ YOE5+ years of professional full stack development; JavaScript/TypeScript, React, Node.js; analytics/tracking, A/B testing, APIs; scalable systems; cross-functional collaboration.
JavaScript, TypeScript, React, Node.js
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1mo
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Senior Software Engineer, Core Platform
Los Angeles or United States
$191k-$267k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
5+ YOE5+ years building large-scale distributed systems; proficiency in Golang or Python; experience with API platform architectures, media delivery, strong communication, mentoring, and producing well-tested code.
Golang, Python
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1mo
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Staff Software Engineer
United States or Tempe or Santa Clara or San Francisco or Los Angeles or Austin or Washington or New York City or Seattle or Kirkland or Alaska or Mississippi or North Dakota or United States Virgin Islands or California or Hawaii or Illinois or Massachusetts or New Hampshire or Oregon or Virginia
$140k-$273k/yr RemoteFull Time
GoDaddy
GoDaddyNYSE: GDDY: Provides domain registration, web hosting, and website building tools.
Strong backend engineering with Node.js/TypeScript, scalable API design, AWS experience, React/Next.js, distributed systems, CI/CD (GitHub Actions), testing, and platform-level architecture and on-call ownership.
Node.js, TypeScript, REST, AWS, ECS, Fargate, DynamoDB, RDS, Aurora, IAM, React, Next.js, GitHub Actions, ServiceNow, CMDB, CDK, Terraform, CloudFormation, Vault, LLM
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2w
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Senior Software Engineer
Glendale or Bristol
$149k-$199k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
5+ YOE5+ years industry experience; proficiency in Java/Kotlin/Python/JavaScript; experience with microservices, REST APIs, AWS (S3, Lambda, EC2), SQL/MongoDB/OpenSearch, Apache Kafka, testing and code review.
Java, Kotlin, Python, JavaScript, AWS, S3, Lambda, EC2, SQL, MongoDB, OpenSearch, Apache Kafka
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3mo
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Principal Frontend Engineer
Los Angeles, California, United States
$190k-$240k/yr OnsiteFull Time
Arena Club
Arena Club: Digital marketplace and vaulting service for sports collectibles
8+ YOE8+ years frontend experience; 3+ years leading or architecting projects; strong React/TypeScript; knowledge of state management and build tools; testing, CI, DevOps familiarity; cloud, API design a plus.
React, TypeScript, Redux, MobX, Webpack, Babel, Vite, CI/CD
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1mo
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Engineer II - Gas Utilities
Los Angeles, California, United States
$40-$50/hr HybridFull Time
Cordoba Corporation
Cordoba Corporation: Civil engineering and construction management firm for infrastructure projects.
4+ YOEBachelor's in engineering required, 4+ years gas utility ILI engineering experience, experience with integrity/direct assessments and pressure testing, proficiency in AMPP/CP1/CPs/CP3/API 579, Microsoft Office skills.
Microsoft Office
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5h
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GoLang Backend Developer
Mason or Woodland Hills
OnsiteContract
Delan Associates
Delan Associates: Provides engineering and professional services to government agencies.
12+ YOEStrong Go (Golang) backend development with microservices, RESTful APIs, Docker/Kubernetes, SQL/NoSQL, cloud platforms, CI/CD, unit testing, distributed systems, messaging, IaC (preferred), and security best practices.
Go (Golang), Docker, Kubernetes, PostgreSQL, MySQL, MongoDB, DynamoDB, AWS, Azure, GCP, Git, CI/CD, Terraform, Helm, Kafka, RabbitMQ
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Software Engineer
Columbus or Boston or Chicago or Austin or Los Angeles or United States or Canada or United Kingdom or Australia
$125k-$165k/yr HybridFull Time
Loop Returns
Loop Returns: Software platform automating e-commerce returns and post-purchase experiences.
2+ YOE2+ years building web applications, backend services, or APIs. Experience using AI agents in engineering workflows, testing and CI/CD, and familiarity with PHP/Laravel, Vue.js, AWS Serverless, MySQL, or DynamoDB is a plus.
Claude Code, Cursor, PHP, Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Serverless, CI/CD, lambdas
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