468 software testing engineer jobs at 246 companies in Fairfield, CT
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Sr. Software Engineer, Testing
Westport, Connecticut, United States
$350k-$500k/yrHybridFull Time
Bridgewater Associates: Manages global macro hedge funds for institutional investors.
4+ YOE4+ years in rigorous engineering environments; 2+ years in SDET/testing architecture; strong diagnostic and system design skills; exposure to low-latency, agentic testing.
Subway: Global provider of franchised quick-service sandwiches and salads.
5+ YOE5+ years in software testing/automation, proficiency with automation frameworks (Selenium, Cypress, Playwright, REST-assured, Postman), ability to write/debug test code (Java, JavaScript/TypeScript, Python, C#), CI/CD and API knowledge, AI-assisted testing experience.
United States or Boston or New York City or Denver
$110k-$125k/yrRemoteFull Time
Spoiler Alert: SaaS platform for managing and liquidating surplus food inventory.
2+ YOE2+ years professional software engineering experience; full‑stack web development using TypeScript, React, Express, and MongoDB; strong testing, collaboration, and productive use of AI coding tools.
Lava: Infrastructure for payments and data in the AI economy.
1+ YOE1–3 years software engineering experience; comfortable with TypeScript/Node.js; experience with API design, data modeling, testing; has used an LLM API; US work authorization required; payments/infrastructure experience is a plus.
Software Engineer III - Quality Assurance / Automation testing
New York or New York
$133k-$185k/yrOnsiteFull Time
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
5+ YOE5+ years mobile app development experience; proficiency in Swift, iOS frameworks (UIKit, SwiftUI, Foundation, Core Data, Combine); unit/UI testing with XCTest/XCUITest; CI/CD and Git; mobile security (OAuth2, OIDC, PKCE); experience with modularization, dependency injection, and agile practices.
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
Level All: Provides digital college and career readiness tools for students.
5+ years software engineering; 4+ years Elixir; OTP; Phoenix and LiveView; API design; relational DB (PostgreSQL); strong testing culture; product mindset.
MongoDBNASDAQ: MDB: Cloud-based document database platform for software application development.
3+ YOE3+ years building production software or cloud services; experience with Java, Go, React, TypeScript; strong engineering fundamentals, API and backend design, testing, and collaboration skills.
Astronomer: Managed data orchestration platform powered by Apache Airflow.
0+ YOE0–4 years software engineering experience; familiarity with backend (Go/TypeScript/Python) and frontend (React/TypeScript); REST/GraphQL and Git proficiency; strong communication and testing practices.
Columbus or Austin or San Francisco or New York City or United States or Canada
$167k-$231k/yrRemoteFull Time
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
4+ YOE4+ years software engineering experience; experience designing, building, testing, and deploying production software; experience with customer-facing product features and cross-functional collaboration; bachelor's degree in CS/Engineering/Math or equivalent experience.
3+ YOEBachelor's or equivalent experience, 3+ years professional software engineering experience, production software and cloud (AWS) experience, strong system design/testing/debugging skills, and strong communication.
United Kingdom or London or United States or New York City
RemoteFull Time
Geordie AI: AI governance and security platform for enterprise agentic systems.
Proficiency in at least one of Java, Python, TypeScript, Rust, or Golang; strong coding ability; collaborative and customer-focused; understanding of secure software practices and automated testing.
Acrisure: Provides AI-powered insurance, financial, and business risk solutions.
1+ YOE1+ year software engineering experience; strong skills in Python or JavaScript/TypeScript; familiarity with APIs, integrations, automated testing, debugging; comfortable with AI-assisted development (Claude Code preferred); onsite collaboration required.
Headlands Technologies: A global proprietary trading firm utilizing quantitative algorithms.
Proven software engineering skills with strong Java ability; computing degree preferred or extensive professional experience; knowledge of networking, storage, distributed systems, and testing; C++ and Linux are a plus.
Persistent Systems: Develops and manufactures secure mobile ad hoc networking systems.
2+ YOEBachelor's in CS or related, 2+ years functional automated testing and software development (Perl/Python/Shell), Linux experience, test plan creation, and ability to obtain US security clearance.
NBCUniversalNASDAQ: CMCSA: Produces and distributes entertainment content and theme park experiences.
3+ YOEBachelor's in CS/IT required; 3+ years software development with Go and/or Python; experience with cloud deployment (AWS, GCP), Kubernetes/Docker, CI/CD, test automation, SRE practices, and strong communication skills.
Go, Python, AWS, GCP, Kubernetes, Docker, CI/CD, test automation, Site Reliability Engineering (SRE), scrum, kanban, CDN, AI tooling
OnCorps: Automating financial fund operations with domain-specific AI agents.
3+ YOE3+ years software development experience; strong Python and TypeScript skills; API and service design experience; familiarity with relational and NoSQL databases, Docker, Kubernetes, AWS, CI/CD, unit testing, and LLM orchestration tools.