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 contemporary 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.

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📌 Senior Guidewire Developer to design, build, and support Java-based web services and API integrations across a ClaimCenter environment for an enterprise client. (Toronto)
🏢 S.i. Systems
📍 Toronto