Jobs in Canada

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Added 5 days ago
Android Developer
Smart IT Frame LLC
Mississauga, ON
Full-time
Added 5 days ago
Java Developer
J&M Group
Montreal, QC
Contract
We are hiring for a Java Developer. This role focuses on hands-on Core Java development for large-scale Market Risk technology platforms and distributed systems.
Added 5 days ago
Cloud Technical Solutions Developer, Storage and Databases
Google
Waterloo, ON
9 years of experience reading/debugging in Java, C, C++, software framework, Python, Shell, Perl, or JavaScript.
Added 6 days ago
Staff, Site Reliability Engineer(Global Security)
Royal Bank of Canada
Vancouver, BC · Halifax, NS · Toronto, ON
Full-time
Solid software engineering fundamentals - proficient in at least one modern language (Python, Go, Java, or similar), with the ability to design and build production-quality services and…
Added 6 days ago
Senior Software Developer
Royal Bank of Canada
Toronto, ON
Full-time
…advisor-facing Angular frontends and backend services using Java/Spring Boot and Node.js;deliver production-ready code, automated tests (unit, integration, end-to-end), and reliable…
Added 6 days ago
Senior Machine Learning Engineer
Royal Bank of Canada
Calgary, AB · Toronto, ON
Full-time
Strong proficiency in programming and scripting languages (Java, Python, Shell Script, etc.)
Added 5 days ago
Java Technical Lead
QUANTEAM - North America (RAINBOW PARTNERS Group)
Montreal, QC · Greater Montreal Metropolitan Area
Full-time
…in Banking, Finance, and Financial Services. Guided by our core values of closeness, teamwork, diversity, and excellence, our team of 1,000 expert consultants, representing 35 different…
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
Leverage the construction, maintenance and continuous improvement of core infrastructure that underlies platform development including a gateway/service-mesh, runtimes, security, logging,…
Added 5 days ago
Workday Developer
Atos
Canada
Full-time
We are seeking an experienced Workday Studio Integration Developer to design, develop, test, and support complex Workday integrations. The ideal candidate will have strong expertise in…
Added 5 days ago
Senior Tax Analyst Technology Solutions
National Bank of Canada
Montreal, QC
Temporary
Work with various it sectors for different applications (OSS T80, JAVA-DI, PCIs/CMOD, etc.) during the year-end process
Added 5 days ago
Cloud Technical Solutions Developer, Storage and Databases
Google
Waterloo, ON
Full-time
9 years of experience reading/debugging in Java, C, C++, software framework, Python, Shell, Perl, or JavaScript.
Added 5 days ago
Senior Machine Learning Engineer
RBC
Toronto, ON
Full-time
Strong proficiency in programming and scripting languages (Java, Python, Shell Script, etc.)
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 5 days ago
Senior API Platform Solutions Design Engineer
Sun Life
Toronto, ON
Full-time
Leverage the construction, maintenance and continuous improvement of core infrastructure that underlies platform development including a gateway/service-mesh, runtimes, security, logging,…
Added 5 days ago
Senior API Platform Solutions Design Engineer
Sun Life
Waterloo, ON
Full-time
Leverage the construction, maintenance and continuous improvement of core infrastructure that underlies platform development including a gateway/service-mesh, runtimes, security, logging,…
Added 5 days ago
Senior API Platform Solutions Design Engineer
Sun Life
Edmonton, AB
Full-time
Leverage the construction, maintenance and continuous improvement of core infrastructure that underlies platform development including a gateway/service-mesh, runtimes, security, logging,…
Added 5 days ago
Senior API Platform Solutions Design Engineer
Sun Life
Vancouver, BC
Full-time
Leverage the construction, maintenance and continuous improvement of core infrastructure that underlies platform development including a gateway/service-mesh, runtimes, security, logging,…
Added 5 days ago
SAP AI Orchestration Developer
Talan
Toronto, ON · Montreal, Québec
$140,000 to $200,000 CAD / year
Full-time
…Delivery for engagement assignment, the SAP AI Orchestration Developer designs and builds AI-enabled business processes on the SAP Business AI…
Added 5 days ago
Java Developer
InfoSpeed Services, Inc.
ON · Ontario, Canada
Full-time
Design, develop, and maintain high-quality Java applications using Spring Boot, Gradle.
Added 6 days ago
Sr Integration Engineer (Intelligent Automation)
Russell Tobin
Toronto, ON
$90 to $100 CAD / hour
Contract
Expert-level Senior Integration Developer with Intelligent Automation experience to design, build, and govern mission-critical enterprise automation and integration solutions on Workato and…
Added 5 days ago
Full Stack Developer
Quantum Technology Recruiting Inc. (QTR)
Toronto, ON
$110,000 to $140,000 USD / year
Full-time
Position: Full Stack Developer (Java & React)
Added 5 days ago
V.I.E. Programmer Analyst
Societe Generale
Montreal, QC
Full-time
The SCI Developer is responsible for developing, maintaining, and supporting applications and data platforms that facilitate post-trade processing, clearing, settlement, data integration,…
Added 5 days ago
Senior Software Engineer
Mohawk Medbuy Corporation
Toronto, ON · Greater Toronto Area, Canada
Full-time
…our main ERP and P2P (Procure-to-Pay) solution that supports core organizational functions and ensure their high availability. The incumbent also provides support to the other Solution…
Added 6 days ago
IT - Senior Software Engineer
Mohawk Medbuy Corporation (MMC)
Burlington, ON · London, ON · Toronto, ON
…our main ERP and P2P (Procure-to-Pay) solution that supports core organizational functions and ensure their high availability. The incumbent also provides support to the other Solution…
Added 6 days ago
Information Security Operations Analyst (Toronto, Canada)
Starling
Toronto, ON
Full-time
…responsibilities; innovation and collaboration will be at the core of everything you do. Help is never far away in our open, borderless culture - you will find support in your team and from…

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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Applications open in a new tab.

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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