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Added 24 days ago
GD
Program Manager, International TacCIS
General Dynamics Missions System International
Ottawa, ON · Calgary, Alberta
- $130,000 to $165,000 CAD / year
- Full-time
Comprehensive knowledge of project management tools and methodologies.
Added 24 days ago
W(
Manager, Community Services
WINS (Women In Need Society)
Calgary, AB
- Full-time
…evaluation, mental health first aid, crisis de-escalation, project management, change management, Indigenous cultural safety, or social work registration where…
Added 24 days ago
BC
Senior Manager, Data & AI
BDO Canada
Vancouver, BC
- Full-time
Act as a senior market-facing consulting leader who can support Partners in client meetings, build trust with CFOs, CIOs, and senior business stakeholders, and translate business challenges…
Added 24 days ago
HR
Lead Electrical Engineer
Hughes Recruitment & Strategy Collective
Saskatoon, SK
- Full-time
…and commissioning. Denison needs an experienced engineering leader who can provide technical direction, coordinate work completed by engineering firms and vendors, and help ensure design…
Added 24 days ago
B
Property Services Coordinator II
BGIS
Montreal, QC
- Full-time
Works with the Client/Tenant Organizations to ensure continued communication from BMP process to operational/project activities and issues. Addresses all concerns and ensures an integrated…
Added 24 days ago
M
Project Manager
M&H
Toronto, ON
- Full-time
Are you a positive and dynamic leader who dreams of flourishing in a work environment that allows you to take on new challenges every day? Look no further: m&h is seeking a passionate…
Added 24 days ago
Production - Project Manager
m&h RH/HR
Toronto, ON
Are you a positive and dynamic leader who dreams of flourishing in a work environment that allows you to take on new challenges every day? Look no further: m&h is seeking a passionate…
Added 24 days ago
Nuclear Lead Estimator
Kiewit
Oakville, ON
…presentation of discipline-specific estimates throughout the project lifecycle. This position plays a key role in supporting strategic project pursuits by providing reliable cost data and…
Added 24 days ago
TC
Vice President, Fund Accounting - Private Assets (Quality Assurance)
The Citco Group Limited
Toronto, ON
- Full-time
The market leader. The premier provider. The best in the business. At Citco, we’ve been the front-runner in our field since our incorporation in 1948 led to the evolution of the asset…
Added 24 days ago
AC
Senior Consultant – Defined Benefit Pension Administration
Aon Corporation
Toronto, ON
- Full-time
As a Senior Consultant, you will serve as the strategic leader and trusted advisor for a portfolio of clients. In addition to providing technical expertise, you will lead high-performing…
Added 24 days ago
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Principal Optical Engineer
Nokia
Ottawa, ON
- Full-time
Serve as a technical leader and mentor for optical engineers; communicate status, risks, and trade-offs to project leads and management.
Added 24 days ago
Technical Services Engineer (Timmins ON)
Orica
Timmins, ON
…progress. Established in 1874, we have grown to become the world leader in mining and civil blasting with a diverse of team of more than 13,000 across the…
Added 24 days ago
GD
Program Manager, International TacCIS
General Dynamics Mission Systems–Canada
Ottawa, ON
- $130,000 to $165,000 CAD / year
- Full-time
Comprehensive knowledge of project management tools and methodologies.
Added 24 days ago
GD
Program Manager, International TacCIS
General Dynamics Mission Systems–Canada
Calgary, AB
- $130,000 to $165,000 CAD / year
- Full-time
Comprehensive knowledge of project management tools and methodologies.
Added 24 days ago
Learning Leader - Assurance (14 Month Contract)
EY
Winnipeg, MB · Toronto, ON · Saskatoon, SK · Halifax, NS · St. John's, NL · Saint John, NB · London, ON · Vancouver, BC · Victoria, BC · Edmonton, AB · Ottawa, ON · Dieppe, NB · ON · AB · Calgary, AB · Waterloo, ON
…expectations for audit quality. In this role, the Learning Leader (LL) is responsible for setting the learning and curriculum strategy for the Canadian Assurance practice and overseeing the…
Added 24 days ago
Assurance Facilitator Excellence Manager (18-Month Contract)
EY
Winnipeg, MB · Toronto, ON · Saskatoon, SK · Halifax, NS · St. John's, NL · Saint John, NB · London, ON · Vancouver, BC · Victoria, BC · Edmonton, AB · Ottawa, ON · Dieppe, NB · ON · AB · Calgary, AB · Waterloo, ON
The Assurance Facilitator Excellence Manager is a strategic capability leader responsible for strengthening the quality, capacity and impact of Audit facilitation across Canada. The role…
Added 24 days ago
Service Center Operation Manager
Chart Industries
Edmonton, AB
Maintains effective communication with Aftermarket team regarding project deliverables and issues, customer requirements, specifications, and product development.
Added 24 days ago
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Senior Project Manager
JLL
Edmonton, AB · Calgary, AB
- Full-time
Strategically networking and positioning JLL as a leader in project management services
Added 24 days ago
RA
Senior Consultant
Revay and Associates Limited
Toronto, ON
- Full-time
Revay and Associates Limited (Revay) is Canada’s consultant of choice in construction dispute resolution, project management, project controls and risk management services. Our maxim is…
Added 24 days ago
WI
Senior Technical Director - Tailings, Waste Dumps and Stockpiles
WSP in Canada
Vancouver, BC
- Full-time
Represent WSP as a thought leader at conferences, technical committees, and industry forums.
Added 24 days ago
WI
Senior Technical Director - Tailings, Waste Dumps and Stockpiles
WSP in Canada
Vancouver, BC
- Full-time
Represent WSP as a thought leader at conferences, technical committees, and industry forums.
Added 24 days ago
D
Java Software Engineer
Dexian
Mississauga, ON
- Contract
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…
Added 24 days ago
UO
Research Analyst/HTA Unit, Community Health Sciences
University of Calgary
Calgary, AB
- Full-time
…economics, and health technology assessment. Our vision is to be a leader in supporting evidence-informed health policy with innovative and relevant research. We actively build capacity in…
Added 24 days ago
II
VP, Quantitative Research (Public Affairs/Online Communities)
Ipsos in US
Vancouver, BC
- Full-time
As a Vice President, you will serve as a senior quantitative research leader and trusted advisor to clients. You will work with senior stakeholders to translate complex business challenges…
Added 24 days ago
PC
Technical Support Team Lead
Powerhouse Controls Ltd
Cambridge, ON
- Full-time
You’re not here to watch from the sidelines. You’re a hands-on leader who mentors, builds, and oversees deployments that are trusted and sustainable. You’ll be the bridge between our vision…

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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