Software engineer jobs in Toronto, ON and nearby

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Added 27 days ago
Lead Software Engineer
Capgemini
Mississauga, ON
4. The software engineer builds skills and expertise of his or her software engineering discipline to reach standard software engineer skills expectations for the applicable role as defined…
Added 27 days ago
Site Reliability Engineer - OpenShift
Capgemini
Toronto, ON
Capgemini is looking for a Production support Engineer to work for the Commercial Line of Business. An ideal candidate should be the one that has experience as outlined below :-
Added 27 days ago
Software Engineer
Capgemini
Mississauga, ON
Successful candidate will be required to work from the client's Ottawa office 3 days per week, with the remaining days worked remotely
Added 27 days ago
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Software Engineer III
TD
Toronto, ON
- Full-time
Consult on development of requirements and specifications and apply functional knowledge of business functions to design optimal software / systems
Added 27 days ago
C
Principal Backend Engineer Vice President
Citi
Mississauga, ON
- Full-time
Citi is looking for a Principal Backend Engineer to take strategic ownership of the backend systems powering a global digital experience platform that serves hundreds of thousands of…
Added 27 days ago
CI
Senior Software Engineer Real Assets, Alternative Investments Technology
CPP Investments | Investissements RPC
Toronto, ON
- Full-time
As a Senior Software Engineer, you will design, build, test and support technology solutions and products that enable business capabilities across CPP Investments. You will partner closely…
Added 27 days ago
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Software Engineer - Observability
eBay
Toronto, ON
- Full-time
As a Software Engineer on this team, you will design and build scalable distributed systems with Golang / Python that power metrics, logs, traces, and related observability workflows across…
Added 27 days ago
RB
Lead Senior Software Engineer
Royal Bank of Canada
Toronto, ON
- Full-time
…external vendor partners. We are looking for a lead senior software engineer, a seasoned technologist to build cutting-edge, products and solutions in cloud environments. You'll join a very…
Added 27 days ago
FI
Principal Software Engineer - Zynque
Fulfillment IQ
Toronto, ON
- Full-time
Job Title: Principal Software Engineer - Zynque
Added 27 days ago
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Lead Senior Software Engineer
RBC
Toronto, ON
- Full-time
…external vendor partners. We are looking for a lead senior software engineer, a seasoned technologist to build cutting-edge, products and solutions in cloud environments. You'll join a very…
Added 27 days ago
T
Mulesoft Software Engineer II
TD
Toronto, ON
- Full-time
Adhere to enterprise frameworks or methodologies that relate to software engineering activities
Added 27 days ago
T
Software Engineer II (SDET)
TD
Toronto, ON
- Full-time
Adhere to enterprise frameworks or methodologies that relate to software engineering activities
Added 27 days ago
Senior Software Engineer, iOS (All Teams)
DoorDash Canada
Toronto, ON
Added 27 days ago
T
Software Engineer III (Adobe Tech Lead)
TD
Toronto, ON
- Full-time
Added 27 days ago
C
Software Engineer, Vice President
Citi
Mississauga, ON
- Full-time
At least 3-5 years of professional Software Development experience
Added 27 days ago
Y
Azure Cloud Engineer
Yochana
Toronto, ON
- Full-time
We are looking for an experienced Azure Cloud Engineer with 6 to 8 Years of experience to manage, support, and automate enterprise Azure infrastructure environments.
Added 27 days ago
3T
Site Reliability Engineer
360 Technology
Toronto, ON
- Full-time
Added 27 days ago
Staff Software Engineer, Notification Hub & Experience
DoorDash Canada
Toronto, ON
We are looking for a Staff Backend Engineer to join our team. As a Staff Engineer, you are a technical leader and trusted advisor - you set the engineering excellence bar, own ambiguous…
Added 27 days ago
CO
Staff Software Engineer
Capital One
Toronto, ON
- Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Staff Software Engineer
Added 27 days ago
AI
Cloud Engineer
Apptoza Inc.
Toronto, ON
- Contract
Work Schedule: 5 days per week
Added 27 days ago
IG
Software Engineer
Insight Global
Toronto, ON
- Contract
Our client is seeking a Software Engineer. The ideal candidate is a hands-on developer with strong Python expertise, experience working with Databricks and Retrieval-Augmented Generation…
Added 27 days ago
CS
Senior Azure Cloud Architect
Confiar Services
Toronto, ON
- Contract
Added 27 days ago
SL
Senior Software Engineer
Sun Life
Toronto, ON
- Full-time
Senior Software Engineer – Agentic QE orchestration
Added 27 days ago
T
Azure Cloud Engineer
TechDoQuest
Toronto, ON
- Full-time
This job posting is for an existing, active vacancy and we are looking to hire an Azure Cloud Engineer.
Added 27 days ago
R&
IT - Application Architect II
Robertson & Company Ltd.
Toronto, ON
- Contract

Principal Software Engineer - Zynque

Toronto, ON, Canada

Job Title: Principal Software Engineer - Zynque Location: Toronto (Onsite/ Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: General Manager at Zynque Existing Vacancy: Yes Application Deadline: Open until Filled Salary Range: $175 - $210K CAD per year (negotiable) · Full-time

Apply on LinkedIn About employer

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Job details

Pay: Job Title: Principal Software Engineer - Zynque Location: Toronto (Onsite/ Hybrid) Job Type: Full-Time Hiring Timeline: Immediate Reporting Line: General Manager at Zynque Existing Vacancy: Yes Application Deadline: Open until Filled Salary Range: $175 - $210K CAD per year (negotiable)
Job type: Full-time
Apply by: Nov 12, 2026
Posting language: English
Posted: Oct 13, 2026

Original job description

General Information:

Job Title: Principal Software Engineer - Zynque
Location: Toronto (Onsite/ Hybrid)
Job Type: Full-Time
Hiring Timeline: Immediate
Reporting Line: General Manager at Zynque
Existing Vacancy: Yes
Application Deadline: Open until Filled
Salary Range: $175 - $210K CAD per year (negotiable)

About Fulfillment IQ (FIQ):

Fulfillment IQ is a supply chain engineering and transformation company that helps brands, retailers, and 3PLs design, build, and scale high-performance logistics operations.

We work at the intersection of strategy, operations, and technology where we solve complex, real-world problems across warehouse design, automation, order management, transportation, and end-to-end supply chain execution.

Our teams combine deep domain expertise with strong technical capability, delivering outcomes through consulting, systems implementation, and proprietary platforms that accelerate time-to-value and reduce delivery risk.

If you enjoy working in complex environments, partnering closely with clients, and seeing your work make a tangible impact on how global commerce moves, this is the place where your skills and judgment truly come to life.

Role Overview

Zynque is FIQ's integration platform (iPaaS) for supply chain and logistics. After a year of development, it is live in production with active customers onboarding, and it now needs to grow into an enterprise-grade, high-throughput platform.

This is not a greenfield role, and it is not a maintenance role. It is a scale-up role: take a young production platform and harden it into a system that enterprises trust with their operations. You will own the architecture as it evolves under real load, with real customers, while the platform keeps shipping.

Must Have:

10+ years building and operating cloud-native backend or platform systems
Owned the scaling of a production SaaS or data platform through rapid customer growth: hardening, re-architecture under load, and maturing an early product to enterprise grade
Deep hands-on experience with high-throughput distributed systems: event streaming or message queues, async processing, idempotency, retries, backpressure
Strong performance engineering: profiling, load testing, horizontal scaling, capacity planning
Production reliability ownership: observability, SLOs, incident management, fault-tolerant design
Multi-tenant SaaS experience, including tenant isolation and noisy-neighbor problems
Proficiency in Python and JavaScript/TypeScript (Next.js)
Hands-on daily coder with founder-level ownership; comfortable in low-process, high-ambiguity environments

Nice to Have:

Built or scaled an integration platform, ETL/data pipeline product, or API platform (connectors, transformation pipelines, webhooks)
Kafka or similar streaming infrastructure at scale
Supply chain or logistics systems exposure (WMS, OMS, TMS, EDI integrations)
AI-assisted engineering workflows; AI is deeply embedded in how we build
Experience shipping AI/LLM-driven capabilities in production (rag, generation pipeline, agentic workflows)

Key Responsibilities:

Own technical direction and architecture evolution of a live, revenue-generating platform
Scale throughput and reliability while customers onboard, including zero-downtime changes to running systems
Harden the platform: tenant isolation, rate limiting, security, data integrity
Establish observability, SLOs, and incident practices as the customer base grows
Lead performance and capacity work ahead of demand, not behind it
Raise engineering standards through design reviews and mentorship
Partner with Product to balance platform investment against feature delivery
Identify and retire scaling risks and technical debt before they compound

What Success Looks Like in the First 90 Days:

30: Deep command of the codebase and production topology; shipping to production; documented view of the top scaling and reliability risks
60: First major scaling or reliability improvements live; observability and SLO baseline established
90: Enterprise-readiness roadmap owned and in motion; measurable gains in throughput, latency, or stability

Key Performance Indicators (KPIs):

Platform uptime and reliability
Throughput and latency under growing customer load
Customer and integration onboarding velocity
Incident frequency and time to recovery
Enterprise scalability readiness

Why You'll Love Working Here:

At Fulfillment IQ, we don't just build supply chain solutions. We build careers, friendships, and unforgettable experiences.

We believe in giving our senior technical leaders real ownership, real influence, and the opportunity to shape platforms that power real-world logistics operations.

As an equal opportunity employer, we celebrate diversity and are committed to creating an inclusive environment for all team members.

Here's what makes working with us a rewarding experience:

Work That Matters
Build systems that directly impact global commerce and supply chain performance.

Career Growth That Matters
We invest in mentorship, leadership development, learning budgets, and long-term career growth.

Flexibility to Thrive
We support remote and hybrid work models by offering multiple office locations to help you perform at your best.

We Celebrate You
From team wins to work anniversaries, we recognize impact, celebrate milestones and reward performance.

A Collaborative Culture
Work alongside talented engineers, product leaders, and award-winning domain experts who value ownership, transparency, and high standards.

Perks you'll appreciate:

Employee Health: Comprehensive health and dental coverage for you and your family
Time Off: Competitive paid time off and flexible leave policies
Retirement: Retirement savings programs and employer contributions
Professional Growth: Dedicated learning and development budget
Flexible Work: Remote and hybrid work options
Perks: Equipment allowances, internet reimbursements, business travel coverage, and employee stock options (ESOP), where applicable.
Community Engagement: Team events, meetups, and company offsites

Use of Artificial Intelligence in Hiring:

FIQ uses artificial intelligence to assist in the screening, assessment, and shortlisting of applications for this position, including features within our applicant tracking system. AI supports human reviewers and does not make hiring decisions on its own. Final hiring decisions are made by FIQ personnel. If you have questions about how AI is used in this process, contact hr@fulfillmentiq.com.

Accommodations:

FIQ is committed to an inclusive and accessible recruitment process. Consistent with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code, accommodations are available on request at any stage of recruitment and assessment. Contact hr@fulfillmentiq.com and we will work with you to meet your needs.

Candidate Privacy:

Your personal information is collected and used for recruitment purposes in accordance with FIQ's Candidate Privacy Notice, available here, and in accordance with applicable Canadian privacy law (PIPEDA). This includes the use of AI-assisted screening described above and cross-border storage or processing that may occur in the United States. By applying, you acknowledge this notice. Questions: hr@fulfillmentiq.com.

Equal Opportunity:

Fulfillment IQ is a people-first company built on trust, collaboration, and ownership. We are proud to be an equal opportunity employer and are committed to building a diverse, inclusive, and high-performing workplace. We consider all qualified applicants without regard to any ground protected under the Ontario Human Rights Code, including race, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, marital status, family status, or disability.

Learn More About Us:

Website: fulfillmentiq.com

LinkedIn: Fulfillment IQ

Spotify: eCom Logistics Podcast Spotify

YouTube: eCom Logistics Podcast YouTube

Apply on LinkedIn About employer

More about this job

Responsibilities

Own the architecture and technical direction of Zynque, scaling its throughput, reliability, security, and tenant isolation while customers onboard and the live platform continues to ship. Establish observability, service-level objectives, and incident practices; lead performance and capacity improvements; and guide engineering standards, product trade-offs, and technical-debt reduction.

Requirements

Requires 10+ years building and operating cloud-native backend or platform systems, including ownership of scaling a production SaaS or data platform through customer growth. Candidates need hands-on expertise in distributed systems, performance engineering, reliability, multi-tenant SaaS, Python, and JavaScript/TypeScript, along with strong coding ownership in ambiguous environments.

Skills

Cloud-Native Backend Systems
Distributed Systems
Event Streaming And Message Queues
Asynchronous Processing
Performance Engineering
Production Reliability
Multi-Tenant SaaS
Python
JavaScript
TypeScript
Next.js
Observability
Incident Management
Capacity Planning
Platform Architecture
AI/LLM Engineering

Benefits

Health And Dental Coverage
Paid Time Off
Learning And Development Budget
Remote And Hybrid Work Options
Equipment Allowance
Internet Reimbursement
Business Travel Coverage
Employee Stock Options
Team Events And Company Offsites

Visa sponsorship

Not detected in the job text

Keywords

Zynque
Fulfillment IQ
Integration Platform As A Service
Supply Chain
Logistics
Cloud-Native Systems
Backend Systems
Production SaaS
Data Platforms
Distributed Systems
Event Streaming
Message Queues
Asynchronous Processing
Idempotency
Retries
Backpressure
Performance Profiling
Load Testing
Horizontal Scaling
Capacity Planning
Observability
Service-Level Objectives
Incident Management
Multi-Tenant SaaS
Tenant Isolation
Python
JavaScript
TypeScript
Next.js
Kafka

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