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Added 1 month ago
Staff Frontend Engineer
Forma.ai
Toronto, ON
Full-time
Reporting to the VP of Engineering, the Staff Frontend Engineer will play a critical role in shaping the technical direction, architecture, and long-term evolution of Forma’s…
Added 1 month ago
Automation Lead / SDET
Iris Software Inc.
Toronto, ON
Contract
Iris's direct client, one of the leading Banking and Financial Company, is looking to hire a Sr. SDET Engineer (Software Development Engineer in Test) for a long-term opportunity in…
Added 1 month ago
Senior Data Engineer
Kainos
Halifax, NS
Full-time
As a Senior Data Engineer at Kainos, you will be responsible or designing and developing data processing and data persistence software components for solutions which handle data at scale.…
Added 18 days ago
Senior Software Engineer II, Currents
Braze
Toronto, ON
We're looking for a Senior Software Engineer II for our Currents team, responsible for building, maintaining, and evolving Currents, our data export system at scale. The Currents system is…
Added 22 days ago
AI-First Quality Engineering Lead
Royal Bank of Canada
Toronto, ON
Full-time
As AI-First Quality Engineer Lead in QEX & DevOps, you will be a driving force in fundamentally reimagining how RBC builds and delivers software - where AI is not a feature of the QE…
Added 27 days ago
AI-First Quality Engineering Lead
RBC
Toronto, ON
Full-time
As AI-First Quality Engineer Lead in QEX & DevOps, you will be a driving force in fundamentally reimagining how RBC builds and delivers software - where AI is not a feature of the QE…
Added 1 month ago
Senior Forward Deployment Engineer
Luxoft
Mississauga, ON
Full-time
…performing dependency and reachability analysis, upgrading Java and NPM runtimes, modernizing Spring and legacy middleware applications, improving CI/CD pipelines, containerizing…
Added 1 month ago
Staff Backend Engineer, Passwordless
Okta
Toronto, ON
$160,000 to $220,000 CAD / year
Full-time
We are looking for a Staff Software Engineer to join the Passwordless team. As a Staff Engineer, you will be a technical leader, making large, independent contributions and shaping the…
Added 1 month ago
Engineering Manager
Wattpad
Toronto, ON
Full-time
We are hiring an Engineering Manager for our Platform Engineering team to lead the design, development, and maintenance of the backend platforms that underpin Wattpad's social,…
Added 27 days ago
Sr. Data Engineer, WW Pricing Data and Insights
Amazon
Vancouver, BC
As a Senior Data Engineer, you will be a technical lead on the team, leading designs and mentoring engineerings on the team. you will create data models and ML data infrastructure that…
Added 27 days ago
Director - Data Solution Delivery, Wealth Management
Scotiabank
Toronto, ON
Lead a team of data engineers and full-stack developers.
Added 1 month ago
Staff Software Engineer, Backend
Okta
Toronto, ON
$160,000 to $220,000 CAD / year
Full-time
We are seeking a highly impactful and influential Staff Software Engineer to join our engineering team. The ideal candidate will leverage their deep expertise in distributed systems,…
Added 26 days ago
Senior Staff Software Engineer
Kaseya Careers
Toronto, ON
Senior Staff Software Engineer (Java, Distributed Systems & SaaS Platforms)
Added 27 days ago
Application Developer
Livingston International
Toronto, ON
Participate and/or lead small to medium scale software application projects which includes but are not limited to directing and delegating assignments to Programmers or other IT members…
Added 1 month ago
Robotics - Software Development Engineer Intern - 2026 - Toronto
Amazon
Toronto, ON
Full-time
…tomorrow's technology. At Amazon, you'll grow into the high-impact engineer you know you can be, supported by a culture of learning and mentorship. Every day brings exciting new challenges…
Added 1 month ago
Software Development Engineer III, Omnichannel Metrics (OCM) - Measurement, Ad Tech, and Data Science (MADS)
Amazon
Toronto, ON
Full-time
You will lead technical design reviews, mentor engineers, and raise the engineering bar across the team. You'll partner directly with applied scientists on ML model productionization and…
Added 1 month ago
Sr Software Engineer / Sr Java Developer
J&M Group
Vancouver, BC
Full-time
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…
Added 28 days ago
Senior Data Engineer
Scotiabank
Toronto, ON
We are seeking an experienced Senior Data Engineer with deep expertise in Google Cloud Platform (GCP) to join our growing team. In this role, you will be responsible for designing,…
Added 1 month ago
Staff Software Engineer, Tech Lead
Toast
Canada
Full-time
Lead fellow developers, product managers, and designers, to build amazing Employee management features with a goal of making it easier for customers, their employees, and other toast teams…
Added 1 month ago
Staff FullStack Engineer, Okta Secures AI
Okta
Toronto, ON
$160,000 to $220,000 CAD / year
Full-time
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…
Added 28 days ago
Software Engineer, Full-Stack Applications, Associate Director
Fitch Group
Toronto, ON
…stakeholders. We are looking for a highly experienced software engineer with deep expertise in Java and React, strong software engineering fundamentals, and a passion for building scalable,…
Added 1 month ago
Staff FullStack Engineer, Okta Secures AI
Okta
Waterloo, ON
$160,000 to $220,000 CAD / year
Full-time
As a Staff Fullstack Engineer on the Okta Secures AI team, your mission is to build the industry's first Identity Security Fabric for the agentic era. You are the architect of our unified…
Added 27 days ago
Lead Software Engineer, Full-Stack Applications - Innovation Teams
Fitch Group
Toronto, ON
Lead Software Engineer, Full-Stack Applications – Innovation Teams
Added 28 days ago
Lead Data and AI Engineer
Sanofi
Toronto, ON
Full-time
Lead, mentor, and develop a team of data engineers while fostering strong engineering practices, accountability, collaboration, and continuous improvement
Added 1 month ago
Senior / Staff Data Engineer (BI) – CEG Team
Agoda
Vancouver, BC
Full-time
As a Senior/Staff Data Engineer in CEG (Customer Experience Group), you will help design, build, and maintain the data and software foundations that power how CEG Business users serves…

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.

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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.

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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.

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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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