Sr. Java Developer - 2812
S.i. Systems
Toronto, ON-
Number of positions available : 1
- Salary To be discussed
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Contract job
- Published on September 18th, 2025
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Starting date : 1 position to fill as soon as possible
Description
Duration: 6 months (high possibility of extension)
Location: Hybrid (3 days a week in the Markham office, subject to change)
Actual Role Title: Senior Java Technical Lead - Data Adaptor
We are looking for a Senior Java Technical Lead to spearhead the design and implementation of modern, cloud-native solutions. This role involves working with
enterprise-scale applications in the insurance sector, leveraging Spring Boot, AWS, and microservices to drive innovation and efficiency. The successful candidate will guide technical teams, optimize performance, and ensure compliance in a highly regulated environment.
What You’ll Do
• Lead the architecture and delivery of microservices built on Spring Boot.
• Oversee migration from legacy SOAP to RESTful APIs, ensuring smooth transitions and reduced system complexity.
• Deploy and manage services on AWS cloud (ECS, RDS, S3, Batch, Step Functions) with a focus on scalability and cost-efficiency.
• Champion DevOps practices, implementing CI/CD pipelines and containerized deployments with Docker and Jenkins.
• Enhance system reliability through monitoring, logging, and performance tuning.
• Collaborate with product owners, QA, and business analysts to translate requirements into robust solutions.
• Provide mentorship and code reviews to ensure technical excellence across the team.
What We’re Looking For
• 8+ years of experience in Java development, with a strong background in enterprise scale systems.
• Hands-on expertise with Spring Boot, Spring MVC, Spring Security, Hibernate, JPA.
• Experience deploying, monitoring, and scaling applications in the AWS ecosystem.
• Strong skills in API design, service integration, and data modeling.
• Familiarity with databases (Oracle, MS-SQL, NoSQL) and optimization strategies.
• Proficiency with build and automation tools (Maven, Jenkins, Git).
• Knowledge of containerization (Docker) and microservice orchestration.
• Strong collaboration skills; ability to lead teams in Agile/Scrum environments.
Preferred Qualifications
• Prior experience in insurance or financial services technology.
• Exposure to document management systems and integrations with third-party vendors (e.g., DocuSign, Symcor).
• Knowledge of monitoring tools (AppDynamics, Sitescope) and documentation standards (Swagger, WSDL).
• Certifications in Java SE 11, AWS, or Guidewire are a plus.
Requirements
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