103 api test engineer jobs at 70 companies in Danvers, MA
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Blockchain Lead Test Engineer
Tampa or Jersey City or Dallas or Boston or Coppell
$75k-$150k/yr HybridFull Time
5+ YOE5+ years in QA/quality engineering for enterprise software, experience testing blockchain and distributed-ledger platforms, strong manual and automated testing skills, test framework development, API and web app testing, CI/CD experience.
Playwright, Selenium, Cypress, Postman, Hyperledger Besu, CI/CD, REST
1mo
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Software Engineer, Orders API
Boston, Massachusetts, United States
$133k-$213k/yr HybridFull Time
3+ YOE3+ years backend experience in Java/Kotlin, API design (REST/GraphQL), testing and production operations experience, distributed systems and databases proficiency.
Java, Kotlin, REST, GraphQL, DropWizard, AWS, DynamoDB, RDS, Lambda, Postgres, Apache Spark, Pulsar, RabbitMQ, Cursor, Claude, MCP servers
2mo
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Software Test Engineer
Cambridge, Massachusetts, United States
$115k-$182k/yr HybridFull Time
4+ YOE4+ years testing real-time distributed client-server applications; experience with C#/.NET, Visual Studio, Azure DevOps, GitHub, Microsoft Windows, API/web/mobile testing, networking tools (Wireshark, TCP/IP, DNS, DHCP), BDD/Gherkin, SAFe; Bachelor’s required, Master’s preferred.
C#, .NET, Microsoft Visual Studio, Microsoft Azure DevOps Service, Microsoft GitHub, Microsoft Windows, Gherkin, BDD, Wireshark, TCP/IP, WLAN, DNS, DHCP, API
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Robotics Automation Software Test Engineer
Boston, Massachusetts, United States
$125k-$175k/yr RemoteFull Time
3+ YOEBachelor's degree and 3+ years in software quality assurance, test automation, or systems validation; distributed systems, API and integration testing, troubleshooting, and Java or Kotlin proficiency required.
Java, Kotlin, Flutter, Dart, API, CI/CD, Autonomous Mobile Robots (AMRs), Warehouse Management Systems (WMS), Warehouse Execution Systems (WES), PLC, Barcode scanners, Label printers, Conveyor systems, digital twins, Third-party APIs
3mo
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Principal Software Development Engineer in Test
Mansfield, Massachusetts, United States
$152k-$190k/yr RemoteFull Time
8+ YOE8–15 years SDET/automation engineering experience; strong Playwright with C#/.NET; API and database testing; CI/CD and Docker experience; leadership and mentoring.
Playwright, C#/.NET, REST API, SQL, Docker, AWS, CI/CD, Git, Bitbucket, Jira, Confluence
1w
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Software Development Engineer in Test (SDET), AVP (Wealth Custody & Clearing)
Boston or Princeton or Clifton or Austin
$90k-$158k/yr OnsiteFull Time
7+ YOE7+ years in software quality engineering, SDET, or test automation; experience designing automated testing for complex enterprise or regulated systems; proficiency with automation frameworks, APIs, microservices, CI/CD, and test development languages.
Selenium, Cypress, Playwright, Java, JavaScript, CI/CD
2mo
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Senior Test Manager (Performance Testing, Salesforce & Integrations)
Acton or San Diego
$154k-$231k/yr HybridFull Time
10+ YOE10+ years in software testing and quality engineering with enterprise performance testing leadership; deep Salesforce and MuleSoft integration testing experience; hands-on JMeter, K6, LoadRunner, API testing, CI/CD integration, observability and telemetry analysis; strong communication and people leadership.
Salesforce, MuleSoft, JMeter, K6, LoadRunner, Karate, Postman, RestAssured, Playwright, Jenkins, Copado, Azure DevOps, Dynatrace, Splunk, Datadog, Grafana, AppDynamics
4d
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Senior Test Infrastructure Architect
Westford or Andover or Quincy or United States or India
$137k-$261k/yr HybridFull Time
6+ YOEBachelor’s or master’s degree or equivalent experience; typically 6–10 years in infrastructure architecture or related fields. Requires Linux, networking, virtualization, automation, and lab infrastructure expertise.
Linux, Python, Bash, Ansible, NetBox, OpenStack, VMware, KVM, Docker, Jenkins, GitHub, GitHub Copilot, Robot Framework, Jira, Confluence, Ethernet, VLAN, DNS, DHCP, APIs
4d
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Senior Test Infrastructure Architect
Westford or Andover or Quincy or India
$137k-$261k/yr HybridFull Time
6+ YOEBachelor's or master's degree or equivalent experience; typically 6–10 years in infrastructure architecture or related fields. Requires Linux, networking, virtualization, automation, troubleshooting, and technical leadership expertise.
Linux, Python, Bash, Ansible, APIs, NetBox, OpenStack, VMware, KVM, Docker, Jenkins, GitHub, GitHub Copilot, Robot Framework, Jira, Confluence, DNS, DHCP, VLANs
1w
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Senior Software Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
8+ YOEBachelor’s degree and 8+ years of software development experience, including 5+ years with .NET and Angular. Requires AI-assisted development, full-stack engineering, cloud, APIs, testing, and Agile experience.
.NET Core, C#, ASP.NET MVC, Web API, NHibernate, Oracle, Angular, HTML5, CSS3, TypeScript, OAuth, JWT, AWS, LLM, NLP, Git, xUnit, NUnit, Jasmine, Docker, Kubernetes, GitHub Copilot, Cursor, Claude Code
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Senior Python Developer
Montreal or India or Boston or Brossard
HybridFull Time
5+ YOESenior Python engineering experience required, with Python, FastAPI, Pydantic, AWS, cloud-native systems, databases, APIs, automated testing, CI/CD, and Generative AI or agentic framework experience.
Python, FastAPI, Pydantic, AWS, PostgreSQL, NoSQL, CI/CD, Generative AI, API, microservices
2mo
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Senior Full Stack Developer
Nashua or New Hampshire
$97k-$165k/yr HybridFull Time
4+ YOEBachelor's degree in CS or equivalent experience, 4+ years professional software development, full-stack web app delivery, API integration, frontend framework proficiency, SQL schema and query design, Git, and automated testing.
ASP.NET Core, Blazor, MudBlazor, C#, SQL Server, Dapper, FluentValidation, Git, HTML, CSS, JavaScript, TypeScript, CI/CD, Active Directory
1mo
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Principal Quality Engineer
Boston, Massachusetts, United States
$120k-$140k/yr HybridFull Time
10+ YOE10+ years in test automation/software engineering with 5+ years in principal/lead roles; hands-on TypeScript, Playwright, Cucumber, CI/CD, cloud-native testing, performance and API testing, and strong communication and leadership skills.
TypeScript, Playwright, Cucumber, CI/CD pipelines, GitHub Actions, Jenkins, Azure DevOps, Artificial Intelligence (AI), SAFe
2mo
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Software Engineer, Agentic AI
Somerville or Germany or Hungary or Singapore or Israel
$100k-$150k/yr HybridFull Time
3+ YOE3+ years software engineering experience; strong TypeScript proficiency; experience integrating LLM APIs (Anthropic, OpenAI); familiarity with agentic patterns, RESTful API design, and testing/debugging practices.
TypeScript, ReactJS, LLM APIs, Anthropic, OpenAI, RESTful
7h
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Senior Software Engineer, Lab Informatics (Benchling)
Boston, Massachusetts, United States
$130k-$160k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent practical experience; 5+ years in software engineering or scientific informatics; Benchling development, Python, SQL, APIs, integrations, Git, testing, code review, and CI/CD experience required.
Benchling, Benchling Developer Platform, Benchling Apps, App Canvas, APIs, SDKs, Events, webhooks, Benchling Insights, SQL, Python, Git, CI/CD, Plotly/Dash, Streamlit, Tableau, Spotfire
2mo
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Software Engineer: Web Developer
Cambridge, Massachusetts, United States
$110k/yr OnsiteFull Time
Bachelor's degree in CS or related; strong HTML, CSS, JavaScript; experience with Vue, React or Angular; CMS knowledge (WordPress/Joomla); UI/UX and graphic design skills; REST API development; Agile and test-driven practices.
HTML, CSS, JavaScript, Vue, React, Angular, WordPress, Joomla, REST API, CI/CD, git, GitHub, GitLab, Jenkins
1w
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Strong Junior QA Manual Engineer
Romania or Boston
RemoteFull Time
1.5+ YOERequires 1.5+ years in QA or software engineering, manual web and mobile testing, QA methodology knowledge, REST API and browser DevTools experience, and upper-intermediate English. SQL and AI familiarity are preferred.
REST API, DevTools, Postman, SQL, LLMs, RAG, RBAC
1mo
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Senior Software Developer - Integration
Boston, Massachusetts, United States
$78k-$133k/yr OnsiteFull Time
4+ YOEBachelor's in CS/Software Engineering or equivalent,4+ years software development with focus on system integration,API and integration design,knowledge of REST,JSON,XML,HL7/FHIR,testing and troubleshooting distributed systems.
APIs, REST, JSON, XML, HL7/FHIR
3w
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Frontend Engineer
Boston or Jersey City or New York
$85k-$135k/yr OnsiteFull Time
4+ YOERequires 4+ years of frontend engineering, deep Angular and strong TypeScript skills, Python API experience, Figma fluency, testing expertise, reactive state management, and daily AI coding assistant use.
Angular, TypeScript, RxJS, Angular CDK, Python, FastAPI, Figma, Jasmine, Jest, Cypress, Playwright, NgRx, Akita, WebSocket, SSE, D3.js, Chart.js, ngx-charts, CodeMirror, Monaco, Angular Material, Kendo UI, Module Federation, Nx, Storybook, CI, Figma Dev Mode
2w
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SDET Automation Engineer (Hammer & Cyara)
Hartford or Wellesley
$55k-$96k/yr OnsiteFull Time
5+ YOERequires 5+ years software engineering experience, 3+ years in SDET/test automation, Java or Node.js, API testing, automation frameworks, CI/CD, conversational AI testing, and full-stack testing.
Java, Node.js, JUnit, Jest, SoapUI, Postman, Bruno, Playwright, Selenium, Cucumber, Hammer, Cyara, GitHub Actions, REST, Object-Oriented Design (OOD), LLM-as-a-Judge
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