Jobs in Canada

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Added 3 days ago
Sr. Java Developer (Hybrid)
Cognizant
Toronto, ON
$74,000 to $117,500 CAD / year
Full-time
As a Senior Java Developer, you will make an impact by designing and delivering scalable, secure, and high-performing Java applications for enterprise banking solutions. You will be a…
Added 3 days ago
Sr. Java Developer
IT Connex
Toronto, ON · Greater Toronto Area, Canada
Contract
Our client is seeking a Core Java Engineer with an expertise in big data processing, particularly within the TechFin industry. Candidate should have experience working with financial…
Added 3 days ago
Sr Java Backend Developer
Tekgence Inc
Toronto, ON
Contract
Added 3 days ago
Sr. Full Stack Java Developer - Azure & ESRI/ArcGIS
isgSearch
Toronto, ON · Greater Toronto Area, Canada
Contract
Seeking a Senior Full Stack Java Developer with 5+ years of experience designing, developing, testing and delivering enterprise applications.
Added 4 days ago
Sr Java full stack Developers
Cyber Space Technologies LLC
Montreal, QC
Contract
We are looking for an experienced Senior Java Full Stack Developer to join our development team in Montreal. The ideal candidate will have strong hands-on experience in Java, Spring Boot,…
Added 5 days ago
Sr. Consultant, Back End Developer- Java/Golang/Kubernetes
CIBC
Toronto, ON
Full-time
…involving multiple back-end systems. As a Sr. Consultant, Back End Developer- Java/Golang/Kubernetes, you will build, implement and maintain , flexible and modular solutions that enhance…
Added 5 days ago
Sr. Consultant, Java Back End Developer
CIBC
Toronto, ON
Full-time
…applications involving multiple back-end systems. As a Sr. Consultant, Java Back End Developer, you will build, implement and maintain , flexible and modular solutions that enhance the…
Added 6 days ago
Sr. Application Developer - (Java / AWS / Payment Systems / Leadership)
BMO
Toronto, ON · BMOPLACE
Full-time
Added 6 days ago
Sr. Java Developer (FULL STACK)
Hays
Calgary, AB
Contract
Exhibit deep understanding of Core Java for efficient coding and system integration
Added 19 days ago
Sr. Software Developer (Java Backend) - 1 Year Contract
DCI Group of Companies - Discover Communications
Brampton, ON
$70 to $80 CAD / hour
Temporary
We are seeking a highly skilled and motivated Senior Software Developer with strong expertise in Java, Spring Boot, Microservices, and Distributed Systems. The ideal candidate will play a…
Added 25 days ago
Sr. Developer - Application Development JAVA N 4B
BrightClaim
Montreal, QC
Full-time
Sr. Developer - Application Development JAVA N
Added 1 month ago
Sr. Java backend Developer
J&M Group
Toronto, ON
Contract
We're looking for an experienced Java Backend Developer to join our dynamic team. You'll play a crucial role in delivering innovative integration solutions for our Commercial Banking…
Added 1 month ago
Sr Software Engineer / Sr Java Developer
J&M Group
Vancouver, BC
Full-time
Develop Java-based components using modern frameworks (Spring/Spring Boot or equivalent).
Added 1 month ago
Sr Java Backend Developer
J&M Group
Toronto, ON
Full-time
As a backend Software Developer| you have a solid technical foundation| and a strong focus on growing your development skills;
Added 1 month ago
Sr. Core Java Developer
Synechron
Toronto, ON
Full-time
We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic team.…
Added 1 month ago
Sr. Core Java Developer
Synechron
Toronto, ON
Full-time
We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic team.…
Added 9 days ago
Sr. Java Developer (FULL STACK)
J&M Group
Calgary, AB
Contract
Exhibit deep understanding of Core Java for efficient coding and system integration
Added 9 days ago
Sr. Java Fullstack Developer
Galent
Calgary, AB
Contract
Exhibit deep understanding of Core Java for efficient coding and system integration
Added 2 days ago
Manager or Senior Manager, Scientific Research & Experimental Development - Technical (IT)
MNP
Montreal, QC · Quebec, QC
Full-time
…languages and modern technology environments - including Python, Java, JavaScript, TypeScript, .NET, C#, SQL, PHP, APIs, databases, cloud platforms, DevOps tools, artificial intelligence /…
Added 18 days ago
SR&ED Technical Advisor, Director
Pwc Canada
Toronto, ON
Full-time
Broad knowledge of current development technologies including web development, XML, Java, JavaScript, C#, database technologies, open source, mobile apps, and other related technologies
Added 24 days ago
SR&ED Technical Advisor, Director
PwC
Toronto, ON
Full-time
Broad knowledge of current development technologies including web development, XML, Java, JavaScript, C#, database technologies, open source, mobile apps, and other related technologies
Added 21 days ago
SR&ED Technical Advisor, Manager
Pwc Canada
Vancouver, BC · Toronto, ON
Full-time
Broad knowledge of current development technologies including web development, XML, Java, JavaScript, C#, database technologies, open source, mobile apps, and other related technologies
Added 21 days ago
IT SR&ED, Manager (Bilingual FR/EN)
Pwc Canada
Montreal, QC
Full-time
Broad knowledge of current development technologies including web development, XML, Java, JavaScript, C#, database technologies, open source, mobile apps, and other related technologies
Added 1 month ago
IT SR&ED, Manager (Bilingual FR/EN)
PwC
Montreal, QC
Full-time
Broad knowledge of current development technologies including web development, XML, Java, JavaScript, C#, database technologies, open source, mobile apps, and other related technologies
Added 1 month ago
SR&ED Technical Advisor, Manager
PwC
Toronto, ON · Vancouver, BC
Full-time
Broad knowledge of current development technologies including web development, XML, Java, JavaScript, C#, database technologies, open source, mobile apps, and other related technologies

J&M Group

Sr Software Engineer / Sr Java Developer

Vancouver, BC, Canada

Job type: Full-time
Apply by: Feb 14, 2027
Experience: 5+ years of hands-on backend development experience in large-scale, high-throughput environments.
Posting language: English
Posted: Aug 18, 2026

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Original job description

We are seeking a highly skilled Senior Software Engineer to join our backend engineering team. This role focuses on designing and delivering high-throughput, low-latency, and resilient services that power mission-critical data processing pipelines. You will work closely with architecture, DevOps, and product teams to build scalable systems that support millions of transactions daily.

________________________________________

Key Responsibilities

Design, implement, and optimize backend services handling high-volume data flows with strict performance and reliability requirements.

Develop Java-based components using modern frameworks (Spring/Spring Boot or equivalent).

Build and maintain asynchronous and event-driven workflows using messaging systems such as MQ/Kafka/RabbitMQ.

Implement performance tuning, profiling, and observability to support sub-second latency and 99.99% availability goals.

Drive solutioning and system designs for new features, integrations, and platform enhancements across distributed systems.

Ensure service robustness through automated testing (unit, integration, load tests) and CI/CD workflows.

Apply secure-by-design principles, including threat modeling, safe data handling, API hardening, and least-privilege access.

Implement and support authentication and authorization patterns (e.g., OAuth2, mTLS, JWT, service-to-service auth).

Participate in architecture reviews, offering technical leadership and mentorship to junior engineers.

Diagnose and resolve complex production issues across infrastructure, code, and messaging layers.

Enhance platform reliability via improved logging, monitoring, alerting, and operational tooling.

________________________________________

Required Qualifications

5+ years of hands-on backend development experience in large-scale, high-throughput environments.

Strong proficiency in Java (Java 8+, multithreading, concurrency libraries, performance optimization).

Solid understanding of Linux fundamentals (filesystem, networking basics, shell operations, performance tools).

Extensive experience with Message Queue systems (IBM MQ, Kafka, RabbitMQ, ActiveMQ, etc.).

Deep knowledge of asynchronous programming, non-blocking IO patterns, and event-driven system design.

Good Understanding Of Modern Network Protocols, Including

gRPC (service-to-service communication, protobuf, streaming patterns)
HTTP/2 (multiplexing, header compression, flow control, performance benefits)

Experience implementing and maintaining CI/CD pipelines and DevOps tooling, including:

Jenkins
Chef Infra / Chef Habitat
Terraform
PCF CLI

Demonstrated ability to design scalable system architectures and evaluate design trade-offs.

Basic understanding of Authentication/Authorization concepts and secure communication patterns.

Familiarity with containerization and orchestration (Docker, Kubernetes) is an asset.

Excellent debugging, problem-solving, and performance-profiling skills.

________________________________________

Preferred Qualifications

Experience in financial services, real-time scoring, risk systems, or other low-latency domains.

Exposure to observability stacks (Splunk, Prometheus, Grafana, ELK).

Knowledge of DevOps practices, automation, and additional IaC tools.

Hands-on understanding of reliability engineering (circuit breakers, retries, backpressure, failover strategies).

Ability to lead complex technical initiatives and drive cross-team alignment.

________________________________________

What We Look For

A strong ownership mindset with a passion for delivering secure, high-quality, and resilient services.

Ability to influence architecture, mentor engineers, and uplift engineering standards.

Strong communication skills and the ability to work in a fast-paced, collaborative environment.

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More about this job

Responsibilities

Design and optimize high-throughput, low-latency backend services and data processing pipelines using Java and modern frameworks. Lead system architecture designs, implement secure authentication patterns, and ensure platform reliability through observability and automated testing.

Requirements

Requires over 5 years of backend experience in large-scale environments with strong proficiency in Java, Linux, and message queue systems. Candidates must have expertise in asynchronous programming, gRPC, and DevOps tooling such as Jenkins and Terraform.

Skills

Java
Spring Boot
Kafka
RabbitMQ
gRPC
HTTP/2
CI/CD
Terraform
Docker
Kubernetes
Distributed Systems
Performance Tuning
OAuth2
Multithreading
Linux
Event-Driven Architecture

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Kafka
RabbitMQ
IBM MQ
ActiveMQ
gRPC
HTTP/2
Protobuf
Jenkins
Chef Infra
Chef Habitat
Terraform
PCF CLI
Docker
Kubernetes
OAuth2
mTLS
JWT
CI/CD
Distributed Systems
Low-Latency
High-Throughput
Splunk
Prometheus
Grafana
ELK
Circuit Breakers
Backpressure
Linux

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