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

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
Salary/Wage Range or Industry Benchmark: 120000 - 160000 CAD Yearly CAD 120000.00 160000.00 YEAR
Job Description & How to Apply Below
Position: Senior Guidewire Developer to design, build, and support Java-based web services and API integrations across a

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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