Senior Java Low Latency Developer

HRConnects; Mississauga; Hybrid; CAD 120,000 - 130,000; Full time

Job summary

HRConnects seeks a Senior Java Low Latency Developer to design, develop, test, and maintain enterprise applications with a focus on scalability and performance. You will lead architectural discussions, review code, and drive performance optimizations across APIs, microservices, and middleware.

The role requires strong Java expertise, hands-on experience with Spring Boot/Spring Cloud, CI/CD, and DevOps practices. Mississauga-based with hybrid work and ASAP start, offering $120–130k/year.

Qualifications

• 8+ years of experience developing enterprise-grade Java applications.
• Experience building RESTful APIs and microservices.
• Ability to lead technical design discussions, code reviews, and drive performance optimization.
• Experience mentoring developers and establishing development standards.

Responsibilities

• Design, develop, test, and maintain enterprise-grade Java applications.
• Build RESTful APIs and microservices using Spring Boot and Spring Cloud.
• Lead solution design discussions, code reviews, and performance optimization initiatives.
• Translate business requirements into scalable, secure, reliable, and maintainable technical solutions.
• Design and implement APIs, middleware integrations, and event-driven solutions.
• Perform database design, query optimization, and performance tuning.
• Troubleshoot and resolve application, integration, and production issues.
• Collaborate with architects and stakeholders to define technical requirements.
• Establish coding standards and development best practices.
• Mentor junior and mid-level developers with technical guidance.

Skills

Java

Spring Boot

Spring Cloud

RESTful APIs

Microservices

DevOps

CI/CD

Performance tuning

Leadership

Job description

Build high-performance, enterprise-grade Java solutions that make a measurable difference in scalability, reliability, and application performance. In this role, you’ll shape technical solutions, optimize critical systems, and help establish development practices that enable teams to deliver with confidence.

Overview

We’re seeking a Senior Java Low Latency Developer to design, develop, test, and maintain enterprise applications. You’ll work across APIs, microservices, middleware integrations, databases, cloud deployments, and DevOps practices while contributing technical leadership throughout the development lifecycle.

Start Date: ASAP

Location: Mississauga. Hybrid- 3 days in office

Salary Range: $120 - 130 000/ yr

Key Responsibilities

• Design, develop, test, and maintain enterprise-grade Java applications.
• Build RESTful APIs and microservices using Spring Boot and Spring Cloud.
• Lead solution design discussions, code reviews, and performance optimization initiatives.
• Translate business requirements into scalable, secure, reliable, and maintainable technical solutions.
• Design and implement APIs, middleware integrations, and event-driven solutions.
• Perform database design, query optimization, and performance tuning.
• Troubleshoot and resolve application, integration, and production issues.
• Collaborate with architects, business analysts, product owners, and stakeholders to define technical requirements.
• Establish coding standards, development best practices, and quality guidelines.
• Mentor junior and mid-level developers through technical guidance and knowledge sharing.
• Contribute to CI/CD implementation and DevOps-driven development practices.
• Support cloud-based deployments and modernization initiatives.
• Participate in Agile ceremonies, including sprint planning, estimation, and retrospectives.

Qualifications

• 8+ yrs of experience developing enterprise-grade applications with Java.
• Experience building RESTful APIs and microservices with Spring Boot and Spring Cloud.
• Ability to lead technical design discussions, conduct code reviews, and drive performance optimization.
• Experience translating business requirements into technical solutions.
• Knowledge of application scalability, reliability, security, and maintainability.
• Experience with database design, query optimization, and performance tuning.
• Ability to troubleshoot application, integration, and production issues.
• Strong collaboration and technical communication skills.
• Experience designing middleware integrations and event-driven solutions.
• Experience with CI/CD and DevOps-driven development practices.
• Experience supporting cloud-based deployments and modernization initiatives.
• Experience mentoring developers and establishing development standards.
• Experience working in Agile development environments.

Bring your Java expertise and performance mindset to a role where you can influence solutions, strengthen engineering practices, and help deliver high-quality enterprise applications—