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146 api test engineer jobs at 104 companies in Fairfield, CT

1mo
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Test Automation Engineer II
Melville, New York, United States
$104k-$176k/yr HybridFull Time
Resideo
ResideoNYSE: REZI: Manufacturing and distributing home comfort and security solutions.
3+ YOE3+ years automation test development for embedded products; expertise in Java, Python or C++; experience with REST API/MQTT/Matter; strong analytical, communication, and troubleshooting skills.
Java, Python, C++, REST API, MQTT, Matter, RS-232, SPI, I2C, Z-Wave, Zigbee, Wi-Fi, Bluetooth
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1mo
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Senior Test Engineer
New York City or United States
$146k-$183k/yr HybridFull Time
Zip
ZipASX: ZIP: Provides interest-free installment payment services for retail consumers.
8+ YOE8+ years in quality engineering/test automation; strong JavaScript/TypeScript experience; hands-on with Playwright, Cypress, or WebdriverIO; API and distributed systems testing; CI/CD integration; mentoring and quality strategy experience.
TypeScript, Playwright, Appium, BDD, Cucumber, JavaScript, Cypress, WebdriverIO, BrowserStack, CI/CD
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1mo
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Sr Test Engineer - Automation
Hyderabad or Boston or New York City or United States or Canada or Mexico or North America
OnsiteFull Time
Clean Harbors
Clean HarborsNYSE: CLH: Provides hazardous waste management and industrial cleaning services.
6+ YOE6+ years testing experience with strong manual testing skills; automation exposure with Selenium/Playwright/Appium, Java/TypeScript; experience with JIRA/Azure DevOps, SQL, API testing, CI/CD awareness.
JIRA, Azure DevOps, SQL, Selenium, Playwright, Appium, Java, TypeScript, Postman, Jenkins, Git
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2w
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Staff Software Engineer in Test
Budapest or New York City or Washington or Vancouver or London or Galway or Munich or Bengaluru or Singapore or Sydney
HybridFull Time
Diligent
Diligent: Provides software for corporate governance, risk, and compliance management.
5+ YOE5+ years in test engineering, strong TypeScript and Playwright experience, API/backend testing, CI/CD (GitHub Actions), AWS/serverless and DevOps familiarity, LLM/AI testing knowledge, strong communication and mentoring skills.
TypeScript, Playwright, AWS CDK, AWS serverless services, GitHub Actions, .NET, Angular, Docker, LLMs
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1mo
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Software Engineer | API
New York, New York, United States
$144k-$172k/yr HybridFull Time
DeepL
DeepL: AI-powered language translation and writing assistance platform.
Strong backend fundamentals and API experience; proficiency in Go, Python, Java, or C#; comfortable with React/TypeScript; experience building SDKs, writing tests, and improving developer experience.
Go, Python, Java, C#, React, TypeScript, GitHub Copilot, Claude, NVIDIA DGX SuperPODs, Jira
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6d
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Software Developer in Test - Vice President
New York, New York, United States
$130k-$160k/yr HybridFull Time
iCapital
iCapital: A global fintech platform for alternative investment marketplace access.
8+ YOE8+ years QA engineering experience, 4+ years in Agile SDLC with CI/CD. Strong Java, BDD/TDD, microservices and REST API knowledge; familiarity with React, JavaScript, SQL; experience with CI/CD tooling and automated test frameworks.
JIRA, Java, React, JavaScript, SQL, Maven, Sonar, Git, TeamCity, Jenkins, Docker, JUnit, RestAssured, Playwright, Protractor, JMeter, CI/CD
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2mo
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Software Development Engineer in Test (SDET)
New York City, New York, United States
$90k-$120k/yr OnsiteFull Time
MetTel
MetTel: Providing managed network, mobility, and cloud communications for enterprises.
5+ YOE5 years QA experience in Agile; Bachelor's in IS/CS/CE or related field; strong QA testing, automation (Selenium), and API/performance testing; programming knowledge; CI/CD familiarity; good communication.
Selenium, CI/CD, TeamCity, Jenkins, Git, .NET, React, Spring, Angular, Django
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2w
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Principal Software Engineer: Distributed Systems (Config, Test, & Deployment)
Austin or New York City or San Francisco or Washington
$200k-$288k/yr HybridFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
10+ YOE10+ years software engineering experience, technical leadership across orgs, expertise in distributed systems, strong typed language mastery, API design, experience with LLMs, Kubernetes, RocksDB and large-scale systems.
Kubernetes, RocksDB, LLMs, Prodspec and Annealing
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5d
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Technology, Software Development Engineer in Test (SDET), Vice President
Chicago or Miami or New York City or San Francisco
$110k-$140k/yr OnsiteFull Time
BTIG
BTIG: Provides global institutional trading and investment banking services.
3+ YOE3+ years SDET experience, strong Playwright and TypeScript skills, CI/CD integration, API testing, AI-assisted tooling and agent architecture familiarity.
Playwright, TypeScript, OpenCode, Claude Code, Codex, GitHub Actions, Jenkins, OpenAPI, REST
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2mo
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Software Engineer II- Test Automation
New York, New York, United States
$119k-$150k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
3+ YOE3+ years in software test automation; proficient in Java/Python/JavaScript; Selenium, Appium; CI/CD; API testing; strong QA and debugging skills.
Selenium, JUnit, TestNG, RestAssured, Appium, Postman, Jenkins, GitLab CI, Cucumber
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3w
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Senior Software Development Engineer in Test (SDET) - Ecommerce - Brazil (Remote)
São Paulo or New York City
RemoteFull Time
Truelogic
TruelogicNASDAQ: STGW: Provides nearshore software development and IT staff augmentation services.
5+ YOE5+ years SDET/QA automation experience, strong JavaScript/TypeScript skills, hands-on with Playwright/Appium/WebdriverIO or similar, web/mobile/API test automation, CI/CD integration, mobile iOS/Android testing, strong debugging and English communication.
JavaScript, TypeScript, Playwright, Appium, WebdriverIO, BrowserStack, LambdaTest, GitHub Actions, Jenkins, CircleCI, React, Mocha, Allure, ReportPortal, Cypress, AWS, Docker, GCP, Heroku
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3mo
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Lead QA Engineer
Stamford or Irving
$86k-$118k/yr HybridFull Time
Gartner
GartnerNYSE: IT: Provides research and advisory services for business leaders.
7+ YOE3+ MgmtLead QA role with 7+ years in QA, hands-on automation, Selenium/WebDriver, REST API, AI initiatives, SaaS testing, and team leadership.
Selenium, WebDriver, REST API, Appium, Test Automation Framework
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2w
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Staff Quality Assurance Engineer
Hoboken, New Jersey, United States
$130k-$150k/yr HybridFull Time
Pearson
PearsonLondon Stock Exchange: PSON: Provide educational materials, assessments, and digital learning services globally.
8+ YOE8+ years in quality engineering; hands-on testing of AI/LLM systems; automation with Playwright or similar; proficiency in JavaScript/TypeScript or Java; API testing, CI/CD integration; experience leading QE teams.
Playwright, JavaScript, TypeScript, Java, RAGAS, Cursor, Copilot, AWS, CI/CD
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1mo
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Senior Security Engineer
San Francisco or New York
$130k-$250k/yr HybridFull Time
Chime
ChimeNasdaq: CHYM: Provides mobile banking and financial tools for everyday consumers.
2+ YOE2–6+ years in security or software engineering; strong coding skills (Python, Go, Ruby); cloud (AWS/GCP) and APIs; experience with automation and security testing; excellent communication and collaboration.
Python, Go, Ruby, AWS, GCP
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3w
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Software Engineer
New York or United States
RemoteFull Time
Hauler Hero
Hauler Hero: AI-powered operating system for waste management companies.
2+ YOE2+ years software engineering experience; strong backend fundamentals (Java, Python, C#, Go or similar); frontend framework experience (React, Vue, Angular or similar); relational DB experience (PostgreSQL, MySQL); REST API knowledge; Git and unit testing; strong communication.
Claude (Opus 4.5), Claude Code, Cursor, GitHub Copilot, Java, Kotlin, Spring Boot, React, TypeScript, PostgreSQL, PostGIS, MySQL, Python, C#, Go, Git, Docker, Redis, Firestore, Google Cloud Platform, AWS, Azure, Native Android
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3w
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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
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2mo
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ETL QA Engineer
New York City, New York, United States
$70k-$120k/yr HybridFull Time
Mobility Global
Mobility GlobalNYSE: MBGL: Provider of critical automotive intelligence and lifecycle data solutions.
4+ YOE4+ years Quality Engineering with ETL data testing, API testing, and data validation; experience with cloud (GCP), relational/non-relational DBs, and Agile; strong problem solving and communication.
GCP, SQL, NoSQL, REST, API testing, CI/CD, Jira or Azure DevOps, Test automation, Data quality tooling
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2mo
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Senior Software Engineer (Fullstack), Digital Storefront
Boston or New York City or United States
$125k-$254k/yr HybridFull Time
Toast
ToastNYSE: TOST: Cloud-based technology platform for the restaurant and hospitality industry.
5+ YOE5+ years fullstack web development; frontend React/Angular and CSS frameworks; backend Java/Kotlin or NodeJS; AWS, Docker, Git; Figma and testable code; API design and testing experience.
React, Angular, Tailwind, Bootstrap, Java, Kotlin, NodeJS, AWS, Docker, Git, Figma
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2w
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Testing and Automation Engineer
Shelton, Connecticut, United States
$103k-$128k/yr OnsiteFull Time
Subway
Subway: Operates a global chain of quick-service sandwich restaurants.
3+ YOE3+ years testing/quality engineering experience; proficiency in test automation (UI/API/backend), performance testing, AI-assisted testing, CI/CD, and basic scripting in Java/JavaScript/Python/C#.
JMeter, Gatling, k6, Locust, Selenium, Cypress, Playwright, REST-assured, Postman, Java, JavaScript, Python, C#, CI/CD
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1mo
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Software Engineer - SDET
San Francisco or New York City or London or Sydney
$170k-$240k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
5+ YOE5+ years building and maintaining testing software; strong CS fundamentals; testing and quality engineering expertise; experience with back-end testing, API/integration testing, CI/CD, and multi-cloud environments.
K6, Rust, Go, Python, SQL, CI/CD, GCP, AWS, Azure
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