Jobs in Canada

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Added 1 month ago
A
Senior Fuel Engineering Analyst
AtkinsRéalis
Mississauga, ON
- Full-time
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together,…
Added 1 month ago
JG
Senior Core Java Engineer
J&M Group
Montreal, QC
- Contract
We are seeking a Senior Core Java Engineer to design, develop, and support high-performance, scalable enterprise applications. The ideal candidate will have strong expertise in Core Java,…
Added 1 month ago
AF
Technical Support Supervisor
Armstrong Fluid Technology
Toronto, ON
- Full-time
3–5 years of technical support or service engineering experience required
Added 1 month ago
RC
Senior Electrical Engineer
Randstad Canada
Fort Saskatchewan, AB
- Full-time
Reporting to the Electrical Engineer Lead, the Electrical Engineer plays a pivotal role in maximizing the availability and reliability of our clients refinery electrical power systems. This…
Added 1 month ago
Principal Consultant, GenAI
Lovelytics
Toronto, ON
We’re looking for a GenAI Engineer who's already taken GenAI from concept to production on Databricks. Joining our GenAI practice means you’ll design and deploy solutions that work in the…
Added 2 months ago
OP
Staff Software Engineer
Open People Network (OPN)
Toronto, ON
- Full-time
…down on your own: UI behavior, API contracts, domain logic, data model, and infrastructure. This is the person who hears a feature description and immediately sees the full technical…
Added 1 month ago
J
Prompt Engineer - Early Career (Canada)
Jobright.ai
Canada
- Full-time
…job search process. They are seeking an early-career Prompt Engineer to craft and evaluate prompts that enhance the performance of AI outputs across user-facing…
Added 1 month ago
J
AI Engineer, Mid Level
Jobright.ai
Canada
- Full-time
…and helps users find better job outcomes. The Mid-Level AI Engineer designs, builds, evaluates, deploys, and operates machine learning and generative AI capabilities, including…
Added 1 month ago
A
Technical Shift Lead
AtkinsRéalis
Mississauga, ON
- Full-time
Must have experience working in a nuclear environment
Added 1 month ago
A
Senior Fuel Engineering Analyst
AtkinsRéalis
Mississauga, ON
- Full-time
We're AtkinsRéalis, a world-class engineering services and nuclear organization. We connect people, data and technology to transform the world's'infrastructure and energy systems. Together,…
Added 1 month ago
T
SAP Customer Solution Director
Talan
Montreal, QC
- $170,000 to $220,000 CAD / year
- Full-time
Talan is an international group that supports its clients in their end-to-end Data & AI transformation by combining management consulting with technological expertise.
Added 1 month ago
MI
Senior Controls Engineer
Martinrea International
Brampton, ON
- $115,000 to $130,000 CAD / year
- Full-time
…improving, and maintaining PLC, HMI, robotic, welding, safety, and data collection systems to support production uptime, quality, safety, and continuous improvement. This position will act…
Added 1 month ago
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Technical Business Development Lead
Encepta
Burnaby, BC
- $100,000 to $150,000 CAD / year
- Full-time
…internally developed software, vehicle-mounted LiDAR, and AI-enabled data extraction capabilities. Historically, we've grown by solving complex problems brought to us by existing clients.…
Added 1 month ago
Senior Software Engineer
Questrade Financial Group
Toronto, ON
Work-life balance in a hybrid environment with at least 3 days in office
Added 1 month ago
AF
Offering Specialist – Fire
Armstrong Fluid Technology
Toronto, ON
- Full-time
…brightest and most creative minds, driven by a shared mission to engineer the future and safeguard our…
Added 1 month ago
QA Lead, Mobile Test Automation
Range
Toronto, ON
This is a hybrid position, currently requiring a minimum of two days per week onsite at our office located at 2 Queen St
Added 1 month ago
Building Science Engineer
Vertex Resource Group
Vancouver, BC · Metro Vancouver / Lower Mainland, British Columbia
This role goes beyond traditional project management. You will be responsible for establishing a scalable, high-quality, and defensible BCA/PCA practice, including developing field teams,…
Added 1 month ago
Building Science Engineer
Vertex Resource Group
Toronto, ON
This role goes beyond traditional project management. You will be responsible for establishing a scalable, high-quality, and defensible BCA/PCA practice, including developing field teams,…
Added 1 month ago
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R&D Optical Product Ramp Engineer
Ciena
Ottawa, ON
- Full-time
The Must Haves:
Added 1 month ago
BA
Sr Analyst, DevOps
Brookfield Asset Management
Toronto, ON · Brookfield Place
- Full-time
Build reliable, scalable data pipelines to ingest, transform & validate data – ensuring quality & availability for AI training, inferencing and production workflows
Added 1 month ago
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Data Engineer I
Docebo
Toronto, ON
- $68,600 to $91,500 CAD / year
- Full-time
As our Data Engineer I, you will build and fine-tune the robust cloud data pipelines that power our analytics, data science, and product teams. You’ll tackle real-world architecture…
Added 1 month ago
SS
Sr. Software Engineer, AVP II
State Street
Toronto, ON
- Full-time
…participants in the industry. The role requires a strong full-stack engineer who can work across rich web functionality, backend services, automated testing, performance engineering, and…
Added 1 month ago
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Channel Account Manager
Solink
Remote, Canada
- $240,000 to $270,000 CAD / year
- Full-time
- Remote
…detect and interpret key moments. This empowers teams to make data-driven decisions, enhance security, and improve operational…
Added 1 month ago
AI
BAS Technologist
Ainsworth Inc
Surrey, BC
- Full-time
…systems to support on BMS / low-voltage projects with a focus on quality, efficiency, and customer…
Added 1 month ago
C
R&D Optical Product Ramp Engineer
Ciena
Ottawa, ON
- Full-time
The Must Haves

J&M Group

Senior Core Java Engineer

Montreal, QC, Canada

Contract

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Job type: Contract
Apply by: Mar 14, 2027
Experience: 7+ years of experience in software development with a strong focus on Java.
Posting language: English
Posted: Sep 15, 2026

Original job description

We are seeking a Senior Core Java Engineer to design, develop, and support high-performance, scalable enterprise applications. The ideal candidate will have strong expertise in Core Java, distributed systems, backend engineering, and software design principles. This role involves collaborating with cross-functional teams, driving technical excellence, mentoring junior engineers, and contributing to the architecture and delivery of mission-critical platforms.

Key Responsibilities

Design, develop, test, and maintain robust, scalable, and highly available Java-based applications.

Develop backend services, APIs, and microservices to support business-critical applications.

Participate in system architecture, technical design, and code reviews to ensure high-quality deliverables.

Optimize application performance, scalability, reliability, and security.

Troubleshoot production issues and implement sustainable solutions.

Collaborate with product owners, business stakeholders, architects, and development teams to deliver technical solutions aligned with business objectives.

Contribute to Agile development processes, including sprint planning, estimation, and retrospectives.

Advocate and implement software engineering best practices, coding standards, and development frameworks.

Mentor and guide junior developers, fostering technical growth and knowledge sharing.

Stay current with emerging technologies and recommend improvements to existing systems and processes.

Required Qualifications

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.

7+ years of experience in software development with a strong focus on Java.

Strong expertise in Core Java, object-oriented programming, multithreading, collections, concurrency, and JVM internals.

Experience designing and developing enterprise-scale applications and distributed systems.

Strong understanding of software design patterns, data structures, and algorithms.

Experience building RESTful APIs and service-oriented architectures.

Strong knowledge of relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.

Experience with version control tools such as Git.

Familiarity with Linux/Unix environments and scripting.

Strong debugging, troubleshooting, and performance tuning skills.

Excellent communication, analytical, and problem-solving abilities.

Preferred Qualifications

Experience with Spring Boot, Spring Framework, and microservices architecture.

Experience with messaging technologies such as Kafka, RabbitMQ, or JMS.

Familiarity with containerization technologies such as Docker and Kubernetes.

Exposure to cloud platforms including AWS, Azure, or Google Cloud Platform (GCP).

Experience with CI/CD pipelines and DevOps practices.

Knowledge of NoSQL databases such as MongoDB, Cassandra, or DynamoDB.

Experience working in highly regulated or large-scale enterprise environments.

Technical Skills

Core Competencies

Core Java (Java 8/11/17+)

Multithreading & Concurrency

Collections Framework

JVM Performance Tuning

Object-Oriented Design

Data Structures & Algorithms

Design Patterns

Backend Technologies

Spring Boot

REST APIs

Microservices

Hibernate/JPA

Messaging Frameworks

Databases

Oracle

SQL Server

PostgreSQL

MySQL

MongoDB (Preferred)

Tools & Platforms

Git

Jenkins

Maven/Gradle

Docker

Kubernetes

Linux/Unix

AWS/Azure/GCP

Soft Skills

Strong ownership and accountability.

Ability to work independently in a fast-paced environment.

Excellent stakeholder management and collaboration skills.

Strong verbal and written communication abilities.

Ability to translate business requirements into scalable technical solutions.

Effective mentoring and leadership capabilities.

Experience

7+ years of professional software engineering experience

Proven experience building, deploying, and supporting large-scale enterprise applications.

Demonstrated success in delivering high-quality solutions in Agile environments.

Apply on LinkedIn About employer

More about this job

Responsibilities

Design, develop, and maintain high-performance, scalable Java-based enterprise applications and microservices. Collaborate with cross-functional teams to optimize system reliability and mentor junior engineers to ensure technical excellence.

Requirements

Requires a bachelor's degree and over 7 years of experience in software development with deep expertise in Core Java and distributed systems. Proficiency in relational databases, RESTful APIs, and software design patterns is essential.

Skills

Core Java
Multithreading
Distributed Systems
Spring Boot
Microservices
REST APIs
JVM Performance Tuning
Object-Oriented Design
SQL
Kafka
Docker
Kubernetes
AWS
Git
Linux
Agile

Visa sponsorship

Not detected in the job text

Keywords

Core Java
Java 8
Java 11
Java 17
Multithreading
Concurrency
JVM
Spring Boot
Spring Framework
Microservices
Hibernate
JPA
REST APIs
Oracle
PostgreSQL
MySQL
MongoDB
Cassandra
DynamoDB
Kafka
RabbitMQ
JMS
Docker
Kubernetes
AWS
Azure
GCP
Git
Jenkins
Agile

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Work requirements

Jobs in Canada