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Senior Guidewire Developer to design, build, and support Java- web services and API integration

Job in Toronto, Ontario, C6A, Canada
Listing for: S I Systems
Part Time position
Listed on 2026-09-07
Job specializations:
  • Software Development
    Java Developer, Backend Developer, Computer Software / Middleware, Cloud Engineer - Software
Job Description & How to Apply Below
Senior Guidewire Developer to design, build, and support Java-based web services and API integrations across a Claim Center 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 Claim Center and Spring Boot
Join an enterprise insurance environment delivering Guidewire Claim Center 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 Claim Center 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 Claim Center  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 Claim Center 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 Claim Center and Spring Boot
Join an enterprise insurance environment delivering Guidewire Claim Center 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 Claim Center 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 Claim Center  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 Claim Center 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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Position Requirements
10+ Years work experience
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