Java Software Engineer

Mississauga, ON
Hybrid
Posted Oct 24, 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
Office presence: 3 days per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Build and optimize high-throughput, low-latency event-driven microservices for enterprise trading platforms using Java and Spring Boot. Configure Solace messaging, integrate databases and caches, tune JVM performance, and deploy services through OpenShift or Kubernetes and Jenkins CI/CD pipelines.

Job details

Role: Senior Java Developer Location: Mississauga, ON (Hybrid — 3 Days Onsite / Week) Employment Type: Full-Time Domain: Banking / Capital Markets / Financial Services About Smart IT Frame: At Smart IT Frame, we connect top talent with leading organizations across the USA. With over a decade of staffing excellence, we specialize in IT, healthcare, and professional roles, empowering both clients and candidates to grow together. Role Overview Seeking a Senior Java Developer to design, build, and optimize high-throughput, low-latency event-driven microservices for enterprise trading platforms. Key Responsibilities Build event-driven microservices using Java 11/17, Spring Boot. Configure Solace topics, queues, pub/sub messaging, and guaranteed delivery. Optimize JVM tuning, multithreading, and serialization for sub-millisecond execution. Integrate relational databases (Oracle/PostgreSQL) and caches (Redis/Hazelcast). Deploy microservices on Red Hat OpenShift/Kubernetes using Jenkins CI/CD pipelines. Must-Have Skills 8+ years of hands-on Java development (Java 8/11/17+, Spring Boot). Microservices, REST APIs, SQL, JUnit/Mockito, Git, and CI/CD pipelines. Strong troubleshooting and production support capabilities. Preferred Skills Banking / Capital Markets / Financial Services domain experience. Exposure to Kafka, IBM MQ, Docker, Kubernetes, Splunk, or Dynatrace. 📍Apply today or share profiles at mario.i@smartitframe.com

What you’ll do

Requirements

Requires 8+ years of hands-on Java development, including Java 8/11/17+ and Spring Boot, along with experience in microservices, REST APIs, SQL, testing, Git, and CI/CD. Strong troubleshooting and production support skills are required; banking or capital markets experience and exposure to additional messaging, container, and monitoring tools are preferred.