Jobs in Canada

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Added 1 month ago
T
Quality Inspectors - Automotive Inspection
TRIGO
Guelph, ON
- $17.6 CAD / hour
- Full-time
…solutions provider using the latest innovative and reliable digital systems and standard processes, delivering results in the most demanding industries. TRIGO has recently started to expand…
Added 1 month ago
C(
Senior Turnkey Systems Designer
CenterLine (Windsor) Limited
Lasalle, ON
- Full-time
…are actively recruiting for the position of Senior Turnkey Systems Designer responsible for the design of automated welding and metal forming tooling and equipment in a 3D modeling…
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
…candidate will have strong expertise in Core Java, distributed systems, backend engineering, and software design principles. This role involves collaborating with cross-functional teams,…
Added 1 month ago
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Professional Senior, Engineering - RM&S Engineering
Bombardier
Dorval, QC
- Full-time
Be responsible for Reliability, Maintainability & Safety deliverables specific to assigned systems.
Added 1 month ago
CB
Network Specialist - Corporate IS Group
Canadian Bank Note Company, Limited
Ottawa, ON
- $91,000 to $113,000 CAD / year
- Full-time
As a Network Specialist within CBN’s Corporate Information Systems group, you will play a pivotal role in designing, maintaining and securing our global network infrastructure. You will be…
Added 1 month ago
MM
EHS Specialist II - Graveyard Shift
Modine Manufacturing Company
Calgary, AB
- Full-time
At Modine, we are engineering a cleaner, healthier world. Building on more than 100 years of excellence in thermal management, we provide trusted systems and solutions that improve air…
Added 1 month ago
CS
Manager, Strategic Initiatives - Energy Systems Standards (Petroleum & Natural Gas / Nuclear)
Canadian Standards Association
Calgary, AB
- $116,230 to $152,555 CAD / year
- Full-time
…of our mission for nearly one hundred years: from the first engineering standard for railway bridges developed in 1919, to more than 3,500 standards, codes & related products…
Added 1 month ago
RC
Senior Electrical Engineer
Randstad Canada
Fort Saskatchewan, AB
- Full-time
…availability and reliability of our clients refinery electrical power systems. This position delivers critical engineering support - leading complex troubleshooting, resolving operational…
Added 1 month ago
Lead Product Designer (Digital) - Hybrid
The Globe and Mail
Toronto, ON
…you? Do you love creating holistic user experiences, design systems, and the prospect of solving for the needs of today’s current news, business and financial…
Added 1 month ago
Lead Product Designer (Digital)
The Globe and Mail
Toronto, ON
…you? Do you love creating holistic user experiences, design systems, and the prospect of solving for the needs of today’s current news, business and financial…
Added 1 month ago
M4
Senior Commissioning Agent, Engineering
MAT 4Site Engineers Limited
ON · Ontario, Canada
- $90,000 to $110,000 CAD / year
- Full-time
MAT 4Site Engineers is a privately owned company located in the heart of the GTA that specializes in the design and engineering of building systems. Beginning with mechanical services, MAT…
Added 2 months ago
DC
Infrastructure Operations Lead
Durham Community Health Centre
Oshawa, ON
- Full-time
Support with conducting appropriate engineering and facility tests/reports to ensure safety and sustainability of DHC facilities.
Added 1 month ago
KC
Software Chief Engineer
Kepler Communications Inc.
Canada
- Full-time
…conduct rigorous technical reviews, and communicate clearly with engineering teams, systems and program leadership, customers, and…
Added 2 months ago
OP
Staff Software Engineer
Open People Network (OPN)
Toronto, ON
- Full-time
…and digital document delivery, integrating with existing EMR…
Added 1 month ago
J
AI Engineer, Mid Level
Jobright.ai
Canada
- Full-time
…including model-integrated services, data pipelines, and production…
Added 1 month ago
A
Technical Shift Lead
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
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
E
Certification Manager
e-STORAGE
Kitchener, ON
- Full-time
…and energy storage technologies. Acting as the bridge between engineering innovation and market approval, you will lead products from concept through certification, ensuring hardware,…
Added 1 month ago
GI
Estimating Coordinator
Green Infrastructure Partners
Markham, ON
- Full-time
Knowledge of the following bidding systems: RAQs, Bids & Tenders, Biddingo, MERX, Metrolinx, Bonfire, Ariba is an asset.
Added 1 month ago
BP
Property Manager
Brookfield Properties
New Westminster, BC
- Full-time
…improvement projects to ensure the proper and efficient operation of systems, preventive maintenance programs, housekeeping functions and responses to resident service requests. Ensures…
Added 1 month ago
Mechanical Sr. Engineer
Hatch
Trail, BC
…best-in-class team leverages methodologies, governance and systems that are unparalleled in the engineering space. Are you looking for an opportunity to join a diverse group of…
Added 1 month ago
VR
Senior Developer, Data Engineering
Venterra Realty
Richmond Hill, ON
- Full-time
We are seeking a highly skilled and experienced Senior Developer to join our Data Engineering team. The ideal candidate will have a strong background in data engineering, with a focus on…
Added 1 month ago
Production Planning Supervisor
BWXT
Oakville, ON
…Metal Fabrication, Quality Control, Project Management and Engineering. For more information, please see our website…
Added 1 month ago
OC
Industrial Electrician
OSCO Construction Group
Woodstock, ON
- Full-time
…ON. Across Ontario, you will find PreCon precast products and systems used in a variety of construction segments. Our value creation is cultivated by our workforce; a strong team built of…

J&M Group

Senior Core Java Engineer

Montreal, QC, Canada

Contract

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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 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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