Senior Guidewire Developer to design, build, and support Java-based web services and API integrations across a ClaimCenter environment for an enterprise client. Our insurance client is seeking a Senior Guidewire Developer (7+ years of experience) to design, build, and support Java-based web services and API integrations using Guidewire ClaimCenter and Spring Boot

Join an enterprise insurance environment delivering Guidewire ClaimCenter integrations and up-to-date API services. This role focuses on Java-based web services, microservices development, REST/SOAP integrations, and API architecture within a large-scale ClaimCenter ecosystem. The position offers hands‑on involvement across integration development, API documentation, testing, and support activities.

Part‑Time, Toronto, Hybrid, Working Hours: EST

Must Haves 7+ years developing Java‑based web services and API integrations

Hands‑on Guidewire ClaimCenter integrations using Gosu programming and integration frameworks

Spring Boot and microservices architecture development

RESTful and SOAP web services, batch processing, and Postman API testing/troubleshooting

Familiarity with JSON, XML, YAML, Swagger/OpenAPI, authentication, authorization, logging, messaging patterns, and SAPI/PAPI/XAPI architecture

Nice to Have Guidewire ACE certification

Responsibilities Design Java-based web services and API integrations

Develop Guidewire ClaimCenter integrations using Gosu programming and Guidewire integration frameworks

Support Java-based web services and API integrations

Develop microservices using Spring Boot

Build and consume RESTful and SOAP web services

Perform API testing and troubleshooting using Postman





Define and document APIs using Swagger/OpenAPI

Our insurance client is seeking a Senior Guidewire Developer (7+ years of experience) to design, build, and support Java-based web services and API integrations using Guidewire ClaimCenter and Spring Boot

Join an enterprise insurance environment delivering Guidewire ClaimCenter integrations and modern API services. This role focuses on Java-based web services, microservices development, REST/SOAP integrations, and API architecture within a large-scale ClaimCenter ecosystem. The position offers hands‑on involvement across integration development, API documentation, testing, and support activities.

Part‑Time, Toronto, Hybrid, Working Hours: EST

Must Haves 7+ years developing Java‑based web services and API integrations

Hands‑on Guidewire ClaimCenter integrations using Gosu programming and integration frameworks

Spring Boot and microservices architecture development

RESTful and SOAP web services, batch processing, and Postman API testing/troubleshooting

Familiarity with JSON, XML, YAML, Swagger/OpenAPI, authentication, authorization, logging, messaging patterns, and SAPI/PAPI/XAPI architecture

Nice to Have Guidewire ACE certification

Responsibilities Design Java-based web services and API integrations

Develop Guidewire ClaimCenter integrations using Gosu programming and Guidewire integration frameworks

Support Java-based web services and API integrations

Develop microservices using Spring Boot

Build and consume RESTful and SOAP web services

Perform API testing and troubleshooting using Postman

Define and document APIs using Swagger/OpenAPI

Disclaimer: AI may be used in evaluating candidates.

This posting is for an existing vacancy.

📌 Senior Guidewire Developer to design, build, and support Java-based web services and API integration (Toronto)
🏢 S.i. Systems
📍 Toronto