Back End Developer

Open Systems Technologies; Mississauga; On-site; CAD 100,000 - 130,000; Full time

Job summary

A leading technology firm in Peel Region, Mississauga is looking for a Senior Java Developer. This role involves leading the implementation of application systems in coordination with the Technology team. The ideal candidate will have 8-12 years of experience in Java backend development, proficiency in Python and Django, and a solid understanding of microservices architectures. Familiarity with cloud platforms and DevOps practices is essential. This is a contract position in the banking and financial services sector.

Qualifications

• 8-12 years of hands-on experience in Java backend development and Python with frameworks.
• Proficiency with Spring Boot and knowledge of Java internals.
• Solid understanding of SDLC and Agile methodologies.

Skills

Java backend development

Python

Django

Spring Boot

Microservices architecture

RESTful APIs

MongoDB

AWS

GCP

Azure

Docker

Kubernetes

Agile methodologies

Kafka

CI/CD pipelines

Job description

The Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.

Qualifications

• 8-12 years of hands‑on experience in Java backend development and Python, Django and/or related Python frameworks and libraries.
• Proficiency with frameworks such as Spring Boot.
• Ability to implement high throughput, low‑latency, extremely reliable frameworks.
• Deep understanding of Java technology such as garbage collection internals, dependency injection, annotations, threading model, and synchronization primitives.
• Strong understanding of microservices architecture and RESTful APIs.
• Experience with database technologies such as MongoDB.
• Familiarity with cloud platforms like AWS, GCP, Azure and containerization (Docker, Kubernetes).
• Solid understanding of the software development lifecycle (SDLC) and Agile methodologies.
• Excellent communication skills and the ability to collaborate effectively in a team environment.
• Experience with message brokers such as Kafka.
• Knowledge of DevOps practices and CI/CD pipelines.

Seniority level

Not Applicable

Employment type

Contract

Job function

Information Technology

Industries

Banking, Financial Services, and Capital Markets