halton hills on full stack developer Jobs – 109 Openings This Week

Senior Software Engineer
Canada —Mississauga, ON
- $88,270 a year
- Full-time
- Azure
- DevOps
- Java
Quick apply
Software Development Manager
Purolator Inc —Mississauga, ON
- Computer Science
- DevOps
- Engineering
Quick apply
Senior Software Development Engineer in Test
EllisDon Group —Mississauga, ON
- $90,000–$120,000 a year
- Full-time
- Computer science
- Computer Science
- Engineering
DevOps / Platform Engineer
Advanced Technology Search Group —Mississauga, ON
- $90,000–$120,000 a year
- Full-time
- Computer science
- Computer Science
- DevOps
Fullstack Application Development Group Manager Senior Vice President
Citi —Mississauga, ON
- $145,100–$217,700 a year
- Full-time
- Hybrid work
- Oracle
- Computer Science
- Engineering
(CAN) Solution Consultant II
Walmart Canada —Mississauga, ON
- $74,000–$101,750 a year
- Full-time
- Computer Science
- DevOps
- Engineering
Staff Developer
EBlock Inc. —Canada
- $170,000–$190,000 a year
- Full-time
- Remote
- Computer Science
- DevOps
- Java
- Dental care
- Paid time off

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Senior Software Engineer

Canada -
Mississauga, ON

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Job details

Full-time
$88,270 a year

Qualifications

CI/CD
Kotlin
Azure
React
Kubernetes
Relational databases
DevOps
.NET Core
C#
Microsoft SQL Server
Test-driven development
E-commerce
.NET
Java
Databases
Microservices
Docker
PostgreSQL
Distributed systems
RabbitMQ
REST
DNS
Scrum
GitHub
APIs
Agile
Kafka
Design patterns

Full job description

About the Role

As a Senior Software Engineer, you will play a pivotal role in shaping the architecture, quality, and technical direction of our proprietary e-commerce software platform.

You will work within a collaborative, cross-functional engineering team, taking ownership of features and services across our microservices architecture, from design through deployment and operation. You will collaborate closely with engineering managers, staff engineers, and cross-functional partners to design, build, and scale high-impact systems We're looking for engineers who are curious, pragmatic, and comfortable navigating a large, evolving codebase — and who embrace modern AI-assisted development practices to move faster and smarter.

Responsibilities

Design, and deliver highly scalable, fault-tolerant services and features across our microservices platform.
Take end-to-end technical ownership — from requirements through deployment, monitoring, and production support.
Lead technical design discussions and contribute meaningfully to architecture decisions, technology choices, and engineering standards.
Proactively identify and address technical debt — refactor and improve maintainability, performance, and reliability of the codebase.
Troubleshoot and resolve complex production issues with urgency and structured problem-solving.
Collaborate with Product, QA, and stakeholders to clarify requirements, surface risks early, and drive solutions to completion with minimal supervision.
Champion engineering best practices — testing, CI/CD, security, observability, and documentation.
Leverage AI developer tools (e.g., GitHub Copilot, Claude, Cursor) effectively to accelerate development and improve engineering output.
Perform other duties as assigned.

Required Qualifications

8+ years of professional software engineering experience in a multi-team, production environment.
.NET Framework/ .NET Core / C# – expert-level experience designing and building APIs, microservices, and back-end systems; strong grasp of design patterns and SOLID principles.
React – Experience building scalable, maintainable front-end applications; strong understanding of state management, performance optimization, and component architecture.
Good grasp of JVM-based language fundamentals (Java or Kotlin); able to read, reason about, and contribute to codebases beyond the primary stack when the need arises.
Microsoft Azure – solid working knowledge of Azure services with hands-on experience across one or more of the following: Azure Container Apps (ACA), App Services (Web Apps), Azure Service Bus, Managed PostgreSQL, Key Vault, Application Gateway, Virtual Networks (VNet) & Subnets, Private Endpoints, and Private DNS Zones; experience deploying and operating production workloads in Azure.
Databases – SQL Server & PostgreSQL – expert-level experience with relational database design, complex query optimization, indexing strategies, and performance tuning.
RESTful API design – proven ability to design, build, version, and secure APIs at scale.
Strong understanding of microservices architecture, distributed systems, and integration patterns.
Containers – Docker – strong hands-on experience; comfortable with containerized application design, networking, and deployment.
Experience with CI/CD pipelines (Azure DevOps, GitHub Actions, or equivalent).
Solid understanding of Agile / Scrum practices and the full software development lifecycle.
Demonstrated and effective use of AI-assisted development tools as part of everyday engineering workflow.

Nice-to-Have Skills

Experience with Kubernetes or Azure Container Apps for container orchestration.
Familiarity with event-driven architecture and message brokers (e.g., Azure Service Bus, RabbitMQ, Kafka).
Experience with observability tooling — logging, metrics, and distributed tracing (e.g., Application Insights, OpenTelemetry).
Background in e-commerce, marketplace, or transaction-heavy platform environments.
Experience with Test-Driven Development (TDD) and pair programming practices.
Ability to learn and adapt to newer patterns and technologies as the landscape evolves.

What We're Looking For in You

You operate with a high degree of ownership and autonomy — you don't wait to be told what to do next.
You are a multiplier — you make the engineers around you better through mentorship, clear communication, and strong technical example.
You balance pragmatism and quality — you know when to move fast and when to slow down and do it right.
You're comfortable with ambiguity and complexity — you can break down hard problems and drive them to resolution.
You stay current and curious — you actively follow the evolving engineering landscape, including AI tooling, and apply what's relevant.

We are an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

IAA Holdings, LLC (IAA)

IAA Holdings, LLC (IAA), a Ritchie Bros. Auctioneers company (NYSE: RBA) and (TSX: RBA), is a trusted global marketplace for insights, services, and transaction solutions for commercial assets and vehicles. Leveraging leading-edge technology and focusing on innovation, IAA’s unique platform facilitates the marketing and sale of total-loss, damaged and low-value vehicles. IAA serves a global buyer base – located throughout over 170 countries – and a full spectrum of sellers, including insurers, dealerships, fleet lease and rental car companies, and charitable organizations. Buyers have access to multiple digital bidding and buying channels, innovative vehicle merchandising, and efficient evaluation services, enhancing the overall purchasing experience. IAA offers sellers a comprehensive suite of services aimed at maximizing vehicle value, reducing administrative costs, shortening selling cycle time and delivering the highest economic returns.

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full stack developer jobs in halton hills on

Senior Software Engineer

Software Development Manager

Senior Software Development Engineer in Test

DevOps / Platform Engineer

Fullstack Application Development Group Manager Senior Vice President

(CAN) Solution Consultant II

Staff Developer

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