Senior Java Engineer - FinTech, Hybrid (Mississauga)

TSR Consulting, Inc.; Mississauga; Hybrid; CAD 120,000 - 180,000; Full time

Benefits offered by this job

Medical benefits

Dental

Vision

Life insurance

Disability insurance

401k

Job summary

TSR Consulting, Inc. is seeking a Senior Java Engineer to join our fintech-focused team in Mississauga.

The role blends Java and Python development with deep expertise in Spring Boot, microservices, CI/CD, and container orchestration to deliver production-grade solutions for trading, risk, and operations use cases. The candidate will partner with client teams, translate business needs into technical plans, and own delivery from discovery through production readiness.

Qualifications

• 8+ years of professional software engineering experience in full-stack or backend roles with customer-facing delivery exposure.
• Expertise in Java (Core Java, Java 17+, Spring Boot, Microservices, REST/gRPC) and production experience in Python 3.x.
• Hands-on with Python frameworks such as FastAPI or Flask/Django, and data libraries like Pandas/NumPy.

Responsibilities

• Serve as the primary technical point of contact embedded with client teams to gather requirements and define delivery plans.
• Prototype and deliver production-ready applications in Java or Python to solve trading, risk, and operational problems.
• Translate ambiguous business asks into clear technical specifications and sequencing.
• Architect and build scalable, resilient services using Spring Boot, REST/gRPC, and microservices patterns.
• Leverage Python frameworks for APIs, analytics, and automation as appropriate.
• Design, implement, and maintain CI/CD with Tekton/OpenShift Pipelines and Jenkins.
• Deploy and operate containerized workloads on OpenShift/Kubernetes with best practices for reliability and security.
• Model data and optimize queries across Oracle Database, MS SQL Server, and MongoDB.
• Ensure enterprise-grade security, auditability, and compliance throughout the delivery lifecycle.
• Produce documentation and communicate architecture decisions to technical and business stakeholders.

Skills

Java

Python

Spring Boot

Microservices

REST/gRPC

CI/CD

OpenShift

Kubernetes

Jenkins

Tekton

Oracle

MS SQL Server

MongoDB

Tools

Docker

OpenShift Pipelines

Tekton

Jenkins

Kafka

Job description

TSR Consulting, Inc. is seeking a Senior Java Engineer to join our fintech-focused team in Mississauga.

The role blends Java and Python development with deep expertise in Spring Boot, microservices, CI/CD, and container orchestration to deliver production-grade solutions for trading, risk, and operations use cases. The candidate will partner with client teams, translate business needs into technical plans, and own delivery from discovery through production readiness.