Jobs in Canada

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Added 21 days ago
Full Stack Engineer
LanceSoft, Inc.
Calgary, AB
Contract
…an object/service-oriented architecture implemented on the Java and React…
Added 14 days ago
Staff Software Engineer, Fullstack
Cloudjobs
Toronto, ON
Full-time
As a staff software engineer in Reverse ETL, you’ll be on the front lines of integrating data activation capabilities into the Fivetran product along every dimension – UI, authentication,…
Added 14 days ago
Senior Data Engineer - Snowflake & DBT Cloud
Enterprise Solutions Inc.
Markham, ON
Contract
5 years of experience with coding in multiple programming languages such as Python and Java
Added 14 days ago
Engineering Manager - API
Craver
Remote, Canada
Full-time · Remote
Senior-level backend engineer who maintains deep, hands-on proficiency - you contribute code, review PRs, and lead design discussions as a matter of course
Added 1 month ago
Engineering Manager - API
Craver
Canada
Full-time
Senior-level backend engineer who maintains deep, hands-on proficiency - you contribute code, review PRs, and lead design discussions as a matter of course
Added 15 days ago
Senior Software Development Engineer (SDE3) – Customer Data Platform
Remitly
Burnaby, BC
Full-time
We are looking for a Senior Software Development Engineer (SDE3) to join the Customer Data Platform team within the Identity & Trust organization.
Added 15 days ago
Senior Penetration Tester & Red Team Engineer
Cognizant
Toronto, ON
Full-time
We are seeking a Senior Penetration Tester / Red Team Engineer to support offensive security initiatives through advanced penetration testing, red team operations, and custom security tool…
Added 15 days ago
Senior Android Developer - Trailering Application
General Motors
Markham, ON · Oshawa, ON
Full-time
GM is looking to hire a Senior Android Software Engineer to lead design, development, and long‑term maintenance of in‑vehicle infotainment (IVI) apps on Android Automotive OS (AAOS) for…
Added 15 days ago
Artificial Intelligence Engineer
Pacer Group
Toronto, ON
$70 to $75 CAD / hour
Contract
Job Title: Senior AI Engineer -JVM Engineering (Java, Kotlin)
Added 15 days ago
Engineering Excellence NAM - SVP
Citi
Mississauga, ON
Full-time
…distance. This is a role for someone who can walk into a room of senior engineers, earn their respect by talking code, and then turn around and articulate a compelling vision for why…
Added 15 days ago
Senior Java Software Engineer
LanceSoft, Inc.
Montreal, QC
Contract
The ideal candidate will support designing, building, and integrating systems. Java and Web development experience is essential. Strong communication and interpersonal skills are essential.…
Added 15 days ago
Senior Full-Stack Software Engineer
Manulife
Toronto, ON
Full-time
At Manulife, we're transforming how technology supports investment decision-making. As a Senior Full-Stack Engineer, you'll work alongside talented engineers, architects, and business…
Added 15 days ago
Senior Software Developer
General Motors
Oshawa, ON
Full-time
This role is for a hands-on senior engineer who can design, implement, test, deploy, and operate reliable backend systems at production scale. The developer will contribute across REST…
Added 15 days ago
Tech Consultant - Senior Full-Stack Engineer
NTT DATA North America
Vancouver, BC
Other
We are seeking an experienced Senior Full Stack Engineer to design, develop, and deliver scalable, secure, and high-performing enterprise applications. The ideal candidate should have…
Added 15 days ago
Senior Full Stack Developer (React/Typescript/Node.js)
Affinity
Canada
Full-time
Overview: On behalf of our client, Affinity is seeking an experienced Senior Full Stack Developer to join their engineering team in Canada. This is a full-time opportunity for a seasoned…
Added 15 days ago
Senior Java Software Engineer
Jobility Talent Solutions
Toronto, ON
Contract
Job Title: Java Developer – Capital Markets (eTrading)
Added 15 days ago
Senior Java Software Engineer
TSR Consulting
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 1 month ago
Sr. DevSecOps Engineer
Rogers Communications
Brampton, ON · Toronto, ON
We are currently seeking a Sr DevSevOps Engineer to join the Rogers Enterprise DevSecOps Engineering Team. Working from Toronto or Brampton office, you will work with the Enterprise DevOps…
Added 15 days ago
Senior Full Stack Software engineer
Affinity
BC · British Columbia, Canada
Full-time
On behalf of our client, Affinity is seeking an experienced Senior Full Stack Developer to join their engineering team in Canada. This is a full-time opportunity for a seasoned engineer who…
Added 16 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 16 days ago
Ingénieur(e) solutions
ChapsVision
Montreal, QC
Full-time
En fonction de votre expérience, vous jouerez soit un rôle clé, soit celui de responsable technique senior dans le cadre de mises en œuvre stratégiques : vous concevrez des solutions,…
Added 16 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 1 month ago
Staff Software Engineer
Open People Network (OPN)
Toronto, ON
Full-time
Senior product leadership. Less about the technical work at this point and more about whether you’re someone we want in the room: how you collaborate, how you handle disagreement, and…
Added 16 days ago
Senior Software Engineer
Questrade Financial Group
Toronto, ON
We’re looking for our next Senior Software Engineer. Could It Be You?
Added 16 days ago
Sr Integration Engineer (Intelligent Automation)
Russell Tobin
Toronto, ON
$90 to $100 CAD / hour
Contract
Position: Sr Integration Engineer (Intelligent Automation)

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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