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Senior Java Developer

  • Mississauga, ON
  • Hybrid
  • Posted Oct 14, 2026
  • 1 position

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Employment type
Full-time
Experience level
Senior · 5+ years
Posting language
English
Working hours
40 hours per week
Seniority
Mid-Senior level
Application method
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Job summary

Design, develop, and maintain Java/Spring Boot microservices and REST APIs, implementing business logic with clean code and appropriate design patterns. Test and review code, troubleshoot application and production issues, perform root-cause analysis, and collaborate with cross-functional teams throughout the SDLC.

Job details

Senior Java Developer – Microservices Experience: 7+ Years Role Overview: We are looking for Senior Java Developers to build secure, scalable and high-performing backend applications for a banking client. Candidates should be hands-on developers with strong coding skills and experience working on enterprise-scale microservices. Key Responsibilities Design, develop and maintain Java/Spring Boot microservices and REST APIs. Implement business logic using clean code, OOP principles and appropriate design patterns. Work with SQL databases, messaging systems and distributed application components. Develop unit and integration tests and participate in peer code reviews. Troubleshoot application, performance and production issues and provide root-cause analysis. Collaborate with architects, frontend developers, QA and business teams throughout the SDLC. Required Skills 7+ years of strong hands-on Java development experience. Strong Java 8/11/17+ and Spring Boot experience. Hands-on Microservices and REST API development. Strong understanding of OOP, Design Patterns, Collections and exception handling. Good SQL/database knowledge and experience with unit testing. Strong coding, debugging and problem-solving skills. Banking / Financial Services experience is preferred. Good to Have: Python, GenAI, ML and Google ADK. Client : Banking Client | Dallas, Texas/ New Jersey | Hybrid

What you’ll do

Design, develop, and maintain Java/Spring Boot microservices and REST APIs, implementing business logic with clean code and appropriate design patterns. Test and review code, troubleshoot application and production issues, perform root-cause analysis, and collaborate with cross-functional teams throughout the SDLC.

Requirements

Requires 7+ years of hands-on Java development experience, strong Java 8/11/17+ and Spring Boot skills, and experience building microservices and REST APIs. Candidates should also have knowledge of OOP, design patterns, SQL databases, and unit testing; banking or financial services experience is preferred.

Listed skills

  • SQL · Preferred
  • REST APIs · Preferred
  • Problem solving · Preferred
  • Java · Preferred
  • Spring Boot · Preferred
  • Python · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • Java
  • Spring Boot
  • Microservices
  • REST APIs
  • Object-Oriented Programming
  • Design Patterns
  • Java Collections
  • Exception Handling
  • SQL
  • Database Knowledge
  • Unit Testing
  • Integration Testing
  • Debugging
  • Problem-Solving
  • Python
  • Generative AI

Job areas

  • Software
  • Technology
  • Finance & Accounting