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Senior Full Stack Developer; Java

Job in Mississauga, Ontario, Canada
Listing for: United States Digital Space LLC
Full Time position
Listed on 2026-06-15
Job specializations:
  • Software Development
Job Description & How to Apply Below
Position: Senior Full Stack Developer (Java)
Job Description   the company Insurance Technology team is undertaking multiple initiatives as part of the company’s continuous evolution and improvement of our insurance solutions. In this role you will apply your development skills and experience to a variety of assignments across the development lifecycle, employing Agile methods and practices, primarily within the Creditor Insurance portfolio.
What will you do?
Design, develop, and implement scalable application systems, including coding, testing, debugging, and deployment for large-scale solutions.
Analyze organizational needs and align technical solutions with strategic goals to support functions like reconciliation.
Ensure operational efficiency of existing systems through maintenance, documentation, and performance tuning.
Collaborate with peers to develop, troubleshoot, and enhance code, ensuring alignment with user requirements and best practices.
Create and review technical design documents, facilitating meetings to drive project execution and problem‑solving.
Conduct thorough testing (unit/integration) using automated frameworks and optimize system performance.
Estimate task timelines for design, coding, and testing phases.
Identify process improvements and prioritize requirements based on business value.
Engage in developer communities to foster continuous improvement and adopt industry best practices.
What do you need to succeed?
Must have:
5+ years of professional experience with  Java/Spring Boot/Graph

QL/Microservices
Extensive experience working with  major relational and no‑SQL databases  and data analysis
Experience developing API / Web Services, REST, Messaging based Applications like  MQ ,  Kafka
Experience in Web UI frameworks (i.e. Angular)
Familiarity with data modelling and query performance tuning in MongoDB

Experience with Containerization and Dev Ops/automation methods/tools ( Open Shift ,  Docker )
Efficient in using AI development productivity tools (i.e., Copilot, Windsurf)
Nice‑to‑have:
Experience in Financial Services/Insurance
Prompt engineering experience and efficient in using AI productivity tools
Familiarity with batch job processing (JCL, Stone Branch)
What’s in it for you?
We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.
A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable
Leaders who support your development through coaching and managing opportunities
Ability to make a difference and lasting impact
Work in a dynamic, collaborative, progressive, and high‑performing team
A world‑class training program in financial services
Opportunities to do challenging work

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Position Requirements
10+ Years work experience
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