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Added 19 days ago
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Enterprise Cloud & Platform Engineer
Numeris
Toronto, ON
- Full-time
7-10 years of progressive experience in enterprise infrastructure, cloud engineering, systems administration, or platform operations.
Added 19 days ago
JT
Chief Technology Officer
Journal Technologies
Victoria, BC
- $205,000 to $275,000 USD / year
The Chief Technology Officer leads technology strategy, architecture, product development, and engineering across Journal Technologies. This leader sets and champions the technical vision,…
Added 19 days ago
DG
Senior Software Developer I
Dahrouge Geological Consulting Ltd.
AB · Edmonton, AB
- Full-time
8+ years of professional software development experience, including 2+ years as a senior or lead developer owning production systems.
Added 19 days ago
N
Principal Optical Engineer
Nokia
Ottawa, ON
- Full-time
Minimum of 7+ years of experience in optical engineering, with a focus on high-speed optical systems / coherent transceivers / linecards.
Added 19 days ago
Technical Services Engineer (Timmins ON)
Orica
Timmins, ON
…with practical, site-based expertise across blasting products, systems, and services. Working with customer teams and Orica’s Technical Services, Operations, and Commercial groups, the role…
Added 19 days ago
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Stagiaire développeur(se) en distribution pharmaceutique - Developper Pharmaceutical Distirbution - Winter Intern
McKesson
Montreal, QC
- Full-time
McKesson Corporation is seeking a motivated and enthusiastic Pharmaceutical Distribution Developer Intern to contribute to the development and enhancement of our pharmaceutical distribution…
Added 19 days ago
GD
Co-op Winter 2027 Engineering Project Coordinator - 8-16 Months
General Dynamics Mission Systems–Canada
Calgary, AB
- Internship
At General Dynamics Mission Systems–Canada, we’re not just engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical…
Added 19 days ago
GD
Program Manager, International TacCIS
General Dynamics Mission Systems–Canada
Ottawa, ON
- $130,000 to $165,000 CAD / year
- Full-time
At General Dynamics Mission Systems–Canada, we’re not just engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical…
Added 19 days ago
GD
Program Manager, International TacCIS
General Dynamics Mission Systems–Canada
Calgary, AB
- $130,000 to $165,000 CAD / year
- Full-time
At General Dynamics Mission Systems–Canada, we’re not just engineering technology - we’re shaping the future of defence and security. Our teams design and deliver advanced, mission-critical…
Added 19 days ago
Service Center Operation Manager
Chart Industries
Edmonton, AB
Howden, a Chart Industries Company is a global engineering business who focuses on providing clients with industrial products that help multiple sectors improve their everyday processes.…
Added 19 days ago
NF
Buyer
New Flyer
Remote, Canada
- Full-time
- Remote
Submits engineering documentation (new part releases or changes) to suppliers in a timely manner and supports first article documentation requirements.
Added 19 days ago
RE
Electrical Engineering Co-Op Student
Rising Edge Group
Calgary, AB
- Temporary
The Electrical Engineering Co-op Student position at Rising Edge Group is designed for students who are currently enrolled in an Electrical Engineering program or related field. The co-op…
Added 19 days ago
PR
Instrumentation Supervisor
Parkland Refining BC Ltd.
Burnaby, BC
- Full-time
…maintenance activities related to instrumentation, process control systems, analyzers, and associated field devices. The successful candidate will collaborate closely with fellow…
Added 19 days ago
GM
Projects Engineer, Tailings
Gibraltar Mine
McLeese Lake, BC
- Full-time
…will manage assigned projects from scope development through engineering, procurement, construction and…
Added 19 days ago
Quality Supervisor
Aecon
Kincardine, ON
Bachelor’s Degree in Engineering, Physical Science, Engineering Technology or related field
Added 19 days ago
H
Electrical Installations Design Engineer –Rail Systems
Hitachi
Toronto, ON · (STS) Toronto - Ontario Line Project
- $95,102 to $142,653 CAD / year
- Full-time
Electrical Installations Design Engineer – Rail Systems
Added 19 days ago
VC
Senior Temporary Works Inspector H/F
VINCI Construction Grands Projets Hellas S.A.
Toronto, ON · Greater Toronto Area, Canada
- Temporary
Verify that temporary works are installed in accordance with approved drawings, engineering requirements, method statements, and project procedures.
Added 19 days ago
BC
Junior Technician, 3D Civil Engineering Design
BBA Consultants
Montreal, QC
- Full-time
College or vocational diploma in civil engineering
Added 19 days ago
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Building Automation Designer – Graphical Interfaces & Technical Drawing
I8IS - Infiniti Software Solutions
Quebec, QC
- Full-time
…to detail, and a strong understanding of building mechanical…
Added 19 days ago
D
Java Software Engineer
Dexian
Mississauga, ON
- Contract
We are seeking a highly skilled and passionate Senior Java Backend Developer to join our engineering team as a Senior Individual Contributor. In this role, you will be responsible for…
Added 19 days ago
RE
Electrical Engineering Co-Op Student
Rising Edge Group
Calgary, AB
- Temporary
The Electrical Engineering Co-op Student position at Rising Edge Group is designed for students who are currently enrolled in an Electrical Engineering program or related field. The co-op…
Added 19 days ago
C
Stagiaire - Intelligence artificielle-EN
CAE
Montreal, QC
- Full-time
Currently enrolled in a relevant undergraduate or graduate program (Computer Science, Engineering, Mathematics, etc.)
Added 19 days ago
W
Technical Writer
Webuild
Toronto, ON
- $80,000 to $120,000 CAD / year
- Full-time
Webuild is an international construction company of civil engineering pioneers who have been at the forefront of the construction business for 120 years. With over 92,000 employees…
Added 19 days ago
PC
Technical Support Team Lead
Powerhouse Controls Ltd
Cambridge, ON
- Full-time
5+ years of experience in automation, systems integration, or controls engineering.
Added 19 days ago
SG
Consultant(e), NetSuite / ERP
Solutions GURUS (GURUS Solutions)
Montreal, QC
- Full-time
Experience with NetSuite (an asset) or other ERP systems

Dexian

Java Software Engineer

Mississauga, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 5, 2026
Experience: Experience: 8+ years of professional experience in application development or systems analysis, with a heavy emphasis on Java-based backend architectures.
Posting language: English
Posted: Oct 6, 2026

Original job description

Java Developer

Mississauga ON – 3days/week onsite

Contract to Hire – 2 rounds interview first virtual second onsite in Mississauga

Position Overview

We are seeking a highly skilled and passionate Senior Java Backend Developer to join our engineering team as a Senior Individual Contributor. In this role, you will be responsible for designing, building, and optimizing high-performance, robust, and scalable backend applications specialized in batch and real-time data processing.

As a senior technical leader with a strong programming background, you will drive the architecture and implementation of complex distributed systems. You will play a crucial role in analyzing system requirements, designing data flows, and ensuring clean, maintainable, and highly efficient code. This role demands deep technical expertise in Core Java, concurrency, memory management, and modern distributed data frameworks, without the burden of people management responsibilities.

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Key Responsibilities

Systems Analysis & Architecture: Analyze complex business requirements and translate them into highly scalable, reliable, and secure backend systems designs. Evaluate trade-offs between different data architecture patterns (e.g., microservices vs. event-driven).
Hands-on Programming: Write high-quality, production-ready, and performant Java code. Leverage advanced software engineering principles such as Object-Oriented Programming (OOP), SOLID design principles, and design patterns.
Technical Project Delivery: Lead the technical implementation and delivery of critical, complex backend and data-processing initiatives. Partner with cross-functional teams to ensure successful project deployment from conception through production.
Subject Matter Expertise (SME): Act as the resident Subject Matter Expert (SME) in high-throughput data processing, stream processing, or JVM performance tuning. Provide guidance on industry best practices and emerging backend technologies.
Performance Optimization: Diagnose, profile, and resolve complex performance bottlenecks, memory leaks, and concurrency issues in high-volume distributed environments.
Quality Assurance & Best Practices: Champion code quality through Test-Driven Development (TDD), comprehensive unit/integration testing, and rigid code review standards.
Mentorship: Provide technical mentorship and architectural guidance to other engineers on the team, fostering a culture of technical excellence and clean code.

Technical Skills & Qualifications

Required Qualifications:

Experience: 8+ years of professional experience in application development or systems analysis, with a heavy emphasis on Java-based backend architectures.
Core Java Mastery: Deep, expert-level understanding of Core Java (Java 11/17/21), including advanced multithreading, concurrency models, Java memory model (JVM garbage collection, heap analysis), and Collections API.
Data Processing & Streaming: Extensive hands-on experience building distributed data processing systems, ETL pipelines, and real-time streaming architectures using tools like Apache Kafka, Apache Spark, Flink, or Hadoop.
Framework Expertise: Strong experience with the Spring Ecosystem (Spring Boot, Spring Cloud, Spring Data, Spring Security) and ORM frameworks (Hibernate/JPA).
Database Management: Proficiency in designing schemas and writing optimized queries for both relational databases (e.g., PostgreSQL, MySQL, Oracle) and NoSQL stores (e.g., Cassandra, MongoDB, Redis).
Distributed Systems: Comprehensive understanding of distributed system design patterns, consensus protocols, caching strategies, and API design (RESTful APIs, gRPC).
CI/CD & DevOps: Practical experience with containerization (Docker, Kubernetes), continuous integration/continuous deployment tools (Jenkins, GitLab CI, or GitHub Actions), and infrastructure-as-code principles.
Testing: Strong advocate for testing frameworks such as JUnit, Mockito, and integration testing tools.

Preferred Qualifications:

Experience with cloud platforms (AWS, Azure, or GCP), specifically managed database and container services.
Experience in financial services, banking technology, or large-scale enterprise transaction systems.

Familiarity with Unix/Linux environments, shell scripting, and network configurations.

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More about this job

Responsibilities

Design, build, and optimize scalable Java backend systems for batch and real-time data processing, including leading delivery of complex distributed-system initiatives. Diagnose performance, memory, and concurrency issues; uphold testing and code-quality practices; and provide technical mentorship to fellow engineers.

Requirements

Requires 8+ years of application development or systems analysis experience, with expert-level Core Java and hands-on experience in distributed data processing, streaming, Spring, databases, and distributed systems. Also requires practical experience with containerization, CI/CD, and testing; cloud platforms and financial-services experience are preferred.

Skills

Core Java
Multithreading And Concurrency
JVM Performance Tuning
Apache Kafka
Apache Spark
Apache Flink
Spring Boot
Spring Cloud
Hibernate And JPA
Relational And NoSQL Databases
Distributed Systems
RESTful APIs And gRPC
Docker And Kubernetes
CI/CD
JUnit And Mockito
Test-Driven Development

Visa sponsorship

Not detected in the job text

Keywords

Java
Java 11/17/21
Object-Oriented Programming
SOLID Principles
Design Patterns
Multithreading
Java Memory Model
Garbage Collection
ETL Pipelines
Real-Time Streaming
Apache Kafka
Apache Spark
Apache Flink
Hadoop
Spring Boot
Spring Cloud
Spring Data
Spring Security
Hibernate
JPA
PostgreSQL
MySQL
Oracle
Cassandra
MongoDB
Redis
Distributed Systems
RESTful APIs
gRPC
Docker

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