Jobs in Canada

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Added 5 days ago
Senior Data Engineer
Leni
Toronto, ON
Full-time
The Senior Data Engineer role at Leni is a full-time, hybrid position based in Toronto, ON, with flexibility for partial work from home. In this role, the Senior Data Engineer designs,…
Added 5 days ago
Senior Staff Software Engineer, Data
Jobgether
Canada
Full-time
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Staff Software Engineer, Data based in Canada .
Added 6 days ago
Quality Engineer Automation Architect
Royal Bank of Canada
Toronto, ON
Full-time
Experience in a variety of test automation frameworks/tools (Postman, Cucumber, Robot) and script development using scripting languages (Java, Selenium)
Added 5 days ago
Software Engineer
aivra.health
Toronto, ON
$100,000 to $160,000 CAD / year
Full-time
We are looking for a motivated Software Engineer to join our growing technology team in Toronto. This opportunity is open to fresh graduates and experienced professionals who are passionate…
Added 5 days ago
Performance Engineer
J&M Group
Toronto, ON
Full-time
Added 6 days ago
Junior Quality Assurance Engineer Co-op
Trulioo Co-op & Internship
Remote, Canada
Internship · Remote
We are looking for a motivated Junior Quality Assurance Engineer Co-op to join our QA team. The successful candidate will be comfortable working in a fast-paced, collaborative environment,…
Added 6 days ago
Staff, Site Reliability Engineer(Global Security)
RBC
Vancouver, BC · Halifax, NS · Toronto, ON
Full-time
We are seeking an experienced and hands-on Staff Site Reliability Engineer (SRE) who is passionate about building scalable systems, automating infrastructure, and improving the reliability…
Added 6 days ago
Senior Machine Learning Engineer
RBC
Calgary, AB · Toronto, ON
Full-time
We are seeking a talented Senior Machine Learning Engineer to join our AI & Innovation team at Royal Bank of Canada. In this role, you will drive the development and deployment of…
Added 6 days ago
Quality Engineer Automation Architect
RBC
Toronto, ON
Full-time
Experience in a variety of test automation frameworks/tools (Postman, Cucumber, Robot) and script development using scripting languages (Java, Selenium)
Added 5 days ago
Java/AI Software Engineer
Aptonet
Vancouver, BC
Full-time
We are seeking an Intermediate Software Engineer to join our team in Vancouver, BC, and help build innovative generative AI capabilities across Planview products. In this role, you will…
Added 5 days ago
Java Software Engineer
Motion Recruitment
Toronto, ON
$120,000 to $140,000 USD / year
Full-time
…the world. This team is currently looking to hire a series of Java Software Engineers and are hybrid in Downtown…
Added 5 days ago
Java / AI Engineer
Quality IT Resourcing
Canada
Contract
We are looking for an experienced Java + AI Engineer to design and build scalable, production-grade applications integrating GenAI capabilities.
Added 5 days ago
Senior Java & Apache Spark Developer
Aptino, Inc.
Quebec, QC
Contract
We are seeking a Senior Java & Apache Spark Engineer to join our engineering team and build scalable, high-performance, data-intensive applications.
Added 6 days ago
Data Engineer, Amazon Traffic Engineering
Amazon
Vancouver, BC
We are seeking an experienced Data Engineer to build and operate the Core Data Infrastructure that underpins our ML and Science initiatives for Bot Management. You will design and own…
Added 6 days ago
Security Engineer , AI Security
Amazon
Vancouver, BC
…ground up? The Amazon AI Security team is looking for a Security Engineer to design security controls and validate that our AI and machine learning (ML) services, applications, and emerging…
Added 6 days ago
Machine Learning Engineer
Manulife
Toronto, ON
Full-time
We are seeking an innovative and experienced Machine Learning Engineer to join our AI + Data team, a cross-functional group spanning Operations, Technology, and Marketing. Our team's…
Added 6 days ago
Staff, Site Reliability Engineer(Global Security)
Royal Bank of Canada
Vancouver, BC · Halifax, NS · Toronto, ON
Full-time
We are seeking an experienced and hands-on Staff Site Reliability Engineer (SRE) who is passionate about building scalable systems, automating infrastructure, and improving the reliability…
Added 6 days ago
Senior Machine Learning Engineer
Royal Bank of Canada
Calgary, AB · Toronto, ON
Full-time
We are seeking a talented Senior Machine Learning Engineer to join our AI & Innovation team at Royal Bank of Canada. In this role, you will drive the development and deployment of…
Added 5 days ago
Offensive Security Engineer
Epsilon Solutions Ltd.
Toronto, ON
Contract
As “Principal Consultant, Agentic AI Cybersecurity Engineer” you will work hands-on alongside our cybersecurity engineering and application security teams to build, operate, and advance the…
Added 5 days ago
Ingénieur(e) solutions
ChapsVision
Montreal, QC
Full-time
Expérience pratique d’au moins un langage de programmation (Python, Java, C# ou similaire)
Added 6 days ago
Senior API Platform Solutions Design Engineer
Sun Life
Edmonton, AB · Vancouver, BC · Toronto, ON · Waterloo, ON · Sun Life Toronto One York
Full-time
Reporting to the Director, API Platform Adoption, the Solution Design Engineer is responsible for designing, development, deployment and implementation of existing change data capture…
Added 5 days ago
Software Engineer, Entry-Level (Graduation Date Winter 2026 - Spring/Summer 2027)
DoorDash Canada
Toronto, ON
Experience working with at least one object-oriented programming language )e.g. Python, Java, Kotlin, etc.)
Added 5 days ago
Senior Machine Learning Engineer
RBC
Toronto, ON
Full-time
We are seeking a talented Senior Machine Learning Engineer to join our AI & Innovation team at Royal Bank of Canada. In this role, you will drive the development and deployment of…
Added 5 days ago
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 6 days ago
AVP, Software Engineer (Hybrid)
Citi
Mississauga, ON
Full-time
Fluency in Python and working knowledge of a compiled language like C/C++/Java

J&M Group

Senior Core Java Engineer

Montreal, QC, Canada

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

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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.

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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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