655 api developer jobs at 353 companies in South Peabody, MA
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API Security Engineer
Cambridge, Massachusetts, United States
$146k-$234k/yrHybridFull Time
ModernaNasdaq: MRNA: Develops and manufactures messenger RNA medicines and vaccines.
5+ YOE5+ years cybersecurity or application/platform security experience with hands-on API security, threat modeling, API risk assessment, and collaboration with engineering and platform teams.
API gateways, service meshes, reverse proxies, AI Gateway
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
4+ YOE4+ years hands-on Java/Python and Kong API Gateway experience; API lifecycle, troubleshooting, production support, documentation, and stakeholder management skills.
Java, Python, Kong API Gateway, REST APIs, CI/CD, ITIL
Somerville or Galway or Bath or Wroclaw or Bangalore
$138k-$143k/yrHybridFull Time
SmartBear: Provides software development, testing, and quality assurance tools.
4+ YOERequires 4+ years in solutions engineering, sales engineering, technical consulting, software engineering, or customer-facing technical work; REST APIs, OpenAPI, enterprise demonstrations, proof of concepts, and cloud or DevOps knowledge.
St. Louis or Chicago or Boston or Houston or Dallas or Irvine or Minneapolis or Detroit or Alpharetta or New York City
$150k-$250k/yrOnsiteFull Time
Perficient: Provides digital transformation and AI consulting for global enterprises.
10+ YOE5+ Mgmt10–15 years experience with 5+ years leading practices; expertise in Platform API and IBM Cloud solutions, hands-on consulting, GTM strategy, partner/channel relationships, AI delivery knowledge, and willingness to travel.
MuleSoft, Apigee, Boomi, Workato, TIBCO, Terraform, IBM Cloud
8+ YOE8+ years hands-on technical experience; Bachelor's degree or equivalent; expertise in API security, WAAP, OWASP API Security Top 10, AI agents/LLM application security; ability to deploy, configure, and troubleshoot security/cloud infrastructure; strong communication and demo-building skills.
Waters CorporationNYSE: WAT: Provider of analytical laboratory instruments and software solutions.
Extensive software development experience with C# and .NET, AWS, microservices, API development, agile delivery, complex feature design, and software engineering practices. Strong algorithms, data structures, and communication skills.
Anduril Industries: Defense technology building autonomous military hardware and software.
Developer advocate experience with web or IoT app development, API technologies (REST or gRPC), strong communication and content-creation skills; ability to support third-party developers. Must be a U.S. Person.
RepligenNASDAQ: RGEN: Develops and manufactures bioprocessing technologies for pharmaceutical drug production.
7+ YOEBachelor's in a technical field,7+ years Salesforce development experience,Platform Developer I required; expertise in Apex,LWC,Visualforce,SOQL/SOSL,APIs and integrations; strong security, data modeling, and agile experience.
Salesforce, Sales Cloud, Service Cloud, Experience Cloud, Data Cloud, Salesforce CPQ, Apex, Lightning Web Components (LWC), Visualforce, SOQL, SOSL, APIs, REST, SOAP, KBMax, Xactly, SAP, Einstein, Agentforce, Agile, Scrum
Nanobiosym: Portable nanotechnology platforms for rapid, real-time disease detection.
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.
Technical Lead – API and Integration Development (Hybrid or Remote - Raleigh, NC)
Canton or Boston or Farmington or Raleigh
$124k-$164k/yrHybridFull Time
Intact Insurance Specialty SolutionsToronto Stock Exchange: IFC: Provides specialized property and casualty insurance and risk services.
9+ YOE2+ MgmtBachelor's/Master's in CS or related, 9+ years Java development (Spring Boot), 2+ years technical leadership, experience with Azure, Kafka/Messaging, Terraform, Docker/Kubernetes, OpenAPI; strong security and communication skills.
Java, Spring Boot, Auth0, Microsoft Azure, Azure Service Bus, Event Hub, Kafka, MQ, Terraform, Docker, Kubernetes, OpenAPI, Swagger
RapDev: Specializes in ServiceNow implementations and Datadog engineering services.
3+ YOEMaster's in CS or related + 3 years ServiceNow developer experience; proficiency with Scoped Applications, Flow Designer, IntegrationHub, Workflow Editor, AngularJS, JavaScript, GlideAjax, APIs, and debugging; strong communication skills.
CAMP Systems: Provides software for aircraft maintenance tracking and engine health monitoring.
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
Massachusetts Bay Transportation Authority: Operates public transportation services in the Greater Boston area.
2+ YOEBachelor's degree or substitution, 2 years of application development experience, programming fundamentals, APIs, batch processing, databases, reporting, version control, ticketing systems, and Microsoft Office proficiency.
Application Programming Interfaces (APIs), SOAP, REST, Crystal Reports, Tableau, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Microsoft Teams, HASTUS, Trapeze FX, Trapeze OPS, Git, GitHub, C#, .NET, Python, PowerShell, Oracle, MS SQL, Windows, AWS, Azure, ServiceNow
DTCC: Provides post-trade infrastructure for the global financial services industry
6+ YOEBachelor's degree in a technical field and 6+ years developing Java/J2EE applications; requires Angular, Spring, REST APIs, databases, CI/CD, testing, microservices, and cloud or container experience.
Tulip: Provides a no-code platform for industrial frontline operations.
5+ YOERequires 5+ years of software engineering experience, AI/LLM and agentic solution expertise, TypeScript, API integration, AWS, CI/CD, AI safety, and developer tooling experience. Bachelor's degree or equivalent experience.
Confluence: Software for investment management data and regulatory reporting.
Experience with C#, backend development, web front-ends (React), cloud platforms (Azure preferred, AWS considered), CI/CD/DevOps, API design, and collaboration with product and data stakeholders.
Fidelity Investments: Provides investment management, retirement planning, and brokerage services.
3+ YOEBachelor’s degree and 3 years, or master’s degree and 1 year, in enterprise application and database development. Requires Java, Scala, REST APIs, Spring Boot, SQL, Kafka, testing, Agile, Jira, and GitHub.
HaemoneticsNYSE: HAE: Manufactures medical devices for blood and plasma management.
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.
Andover or Boston or New York or Chicago or Menlo Park or Manchester or London or Tokyo
$140k/yrOnsiteFull Time
Alumni Ventures: Provides individual investors access to diversified venture capital funds.
6+ YOE6+ years building production applications; experience with JavaScript/Node.js and/or Python, PostgreSQL/MySQL, AWS, API integrations, full-stack development, modern/AI-assisted dev tools; authorized to work in the US.