Software engineer jobs in Mississauga, ON and nearby

Within 25 km

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Added 1 month ago
Senior Software Engineer, Web3 Backend
Robinhood
Toronto, ON
This role is based in our Toronto office, with in-person attendance expected at least 3 days per week
Added 1 month ago
Principal Software Engineer
Questrade Financial Group
Toronto, ON
Work-life balance in a hybrid environment with at least 3 days in office
Added 1 month ago
Software Development Engineer , Device Privacy And Data Handling
Amazon
Toronto, ON
We are looking for an experienced, passionate, and technically strong engineer who can architect and deliver innovative, complex, high-impact software systems that delight our customers
Added 1 month ago
ET
Software Engineer
Envision Technology Solutions
Toronto, ON
- Full-time
Influence software architecture and lead design decisions for the Platform, with particular focus on payments and money-movement systems.
Added 1 month ago
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Software Engineer
Hays
Toronto, ON
- Contract
7+ years of software development experience in Java and/or Python.
Added 1 month ago
Intermediate Site Reliability Engineer
ContactMonkey
Toronto, ON
Our mission is to power measurable employee engagement worldwide, and we're looking for an Intermediate Site Reliability Engineer to join our Engineering team.
Added 1 month ago
Intern - Software Engineer, Winter 2027
EQ Bank | Canada's Challenger Bank
Toronto, ON
Starting in January 2027, you’ll begin your journey as a Software Engineer Intern through our Engineering Graduate Program, designed to accelerate your development through immersive,…
Added 1 month ago
Software Engineer (Python/SQL)
Scotiabank
Toronto, ON
We are seeking a highly skilled Software Engineer to design, develop, and support enterprise applications and data platforms. The role requires strong hands-on expertise in software…
Added 1 month ago
EB
Intern - Software Engineer, Winter 2027
EQ Bank
Toronto, ON
- Volunteer
Starting in January 2027, you’ll begin your journey as a Software Engineer Intern through our Engineering Graduate Program, designed to accelerate your development through immersive,…
Added 1 month ago
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Java Software Engineer
Dexian
Mississauga, ON
- Contract
Added 1 month ago
AI
Software Architect
Arkion Identity Systems
Toronto, ON
- Full-time
…platform for non-human identity governance. We are looking for a Software Architect to define and implement the technical architecture while ensuring compliance with modern cryptographic…
Added 1 month ago
Application Architect Core HR
Scotiabank
Toronto, ON
Added 1 month ago
Senior Software Engineer, OIG
Okta
Toronto, ON
Okta Identity Governance (OIG) organization is looking for a Senior Engineer to join our team - OIG is Okta’s Identity Governance and Administration solution that is directly responsible…
Added 1 month ago
Senior Software Engineer – DevTest / QA Automation
Kaseya Careers
Toronto, ON
Kaseya is seeking a Senior Software Engineer – DevTest / QA Automation to design, build, and maintain robust automated testing capabilities across enterprise software platforms.
Added 1 month ago
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Senior Software Engineer, OIG
Okta
Toronto, ON
- $136,000 to $187,000 CAD / year
- Full-time
Okta Identity Governance (OIG) organization is looking for a Senior Engineer to join our team - OIG is Okta’s Identity Governance and Administration solution that is directly responsible…
Added 1 month ago
UC
Software Engineer (AWS)
UniSysTech Consulting
Toronto, ON
- Other
Code Quality & Architecture: Apply Object-Oriented Programming (OOP) concepts and enterprise software design patterns.
Added 1 month ago
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Intermediate Software Engineer
AltaML
Toronto, ON
- $90,000 to $110,000 CAD / year
- Full-time
The Intermediate Software Engineer independently owns and delivers well-defined, small-to-medium complexity user stories end to end. You work AI-first by default: using Claude Code and…
Added 1 month ago
KC
Senior Embedded Software Designer
Kepler Communications Inc.
Toronto, ON
- Full-time
We're on the hunt for a top-tier Senior Embedded Software Engineer. Your focus will be on software development and maintenance required for both space and ground-based assets for a growing…
Added 1 month ago
Software Development Engineer II, Advertiser Growth Engine
Amazon
Toronto, ON
We are currently recruiting Mid-Level Software Engineers who enjoy solving technical challenges at a global scale, simplifying and eliminating complexity as well as demonstrating a high…
Added 1 month ago
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Senior software engineer: Applied AI
Morningstar
Toronto, ON
- Full-time
We are seeking a Senior Software Engineer to build the applied systems that bring AI capabilities into production: the data pipelines, LLM integrations, agentic workflows, tool interfaces,…
Added 1 month ago
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Senior Software Engineer- Applied AI
Morningstar
Toronto, ON
- Full-time
We are seeking a Senior Software Engineer to build the applied systems that bring AI capabilities into production: the data pipelines, LLM integrations, agentic workflows, tool interfaces,…
Added 1 month ago
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Senior / Staff Software Engineer, Motion Planning
Waabi
Toronto, ON
- $158,000 to $269,000 USD / year
- Full-time
Design and develop motion planning software and algorithms, building the brain which orchestrates decision making in dynamic, uncertain and interactive traffic scenarios.
Added 1 month ago
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Canada | Toronto | Global Technology Summer Analyst - Software Engineer | 2027
Bank of America
Toronto, ON
- Volunteer
Eligible candidates must have a graduation timeframe between November 2027 and August 2028
Added 1 month ago
ZT
Android Framework/Core OS Software Engineer, Senior
Zebra Technologies
Mississauga, ON
- Full-time
The Engineering Customer Response Team (ECRT) is seeking a Senior Software Engineer to provide world-class technical support to global enterprise customers for the Android Operating System,…
Added 1 month ago
Software Engineer II, Earnings
Toast
Toronto, ON
As a Software Engineer on our team, you will:

AltaML

Intermediate Software Engineer

Toronto, ON, Canada

$90,000 to $110,000 CAD / year · Full-time

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Job details

Pay: $90,000 to $110,000 CAD / year
Job type: Full-time
Experience: 2–4 years of professional software engineering experience.
Posting language: English
Posted: Sep 13, 2026

Original job description

Engineering @ AltaML - How We Work:

We are an AI-first company. Claude Code and AltaML's shared configuration and skills library are the default way engineers design, build, test, and review software, not an optional accelerant a few people use.
We expect dramatically higher productivity from working this way. A step change, not a marginal gain. That's the baseline we hire and promote against, not an aspirational ceiling.
We believe AI has compressed what used to take weeks into days, and what used to take days into hours. Estimates, sprint commitments, and delivery timelines should reflect that reality, not pre-AI habits.
Show us, don't tell us. As part of applying, share an example of your AI-assisted coding: a PR, a repo, a recorded session, or whatever best demonstrates how you actually work with AI day to day.
We overpay for the right people. We'd rather pay a premium for an engineer who embodies this and multiplies the team than save money on someone who doesn't.

The Intermediate Software Engineer independently owns and delivers well-defined, small-to-medium complexity user stories end to end. You work AI-first by default: using Claude Code and AltaML's shared skills library as your everyday workflow, not a novelty. And, you're building the judgment to take on increasingly novel problems without close supervision.

What You'll Do:

Feature Implementation & Bug Fixes (:65%)

Serve as the main contributor for small-to-medium complexity stories, including work that introduces patterns new to AltaML/AltaForge.
Use Claude Code and AltaML's shared CLAUDE.md/skills library as your default workflow for design, implementation, and review

Testing & Documentation (:15%)

Write comprehensive automated tests and clear documentation for novel code, ensuring long-term stability.

Code Review Participation (:10%)

Give constructive feedback that measurably improves the quality of peers' contributions.

Learning & Collaboration (:10%)

Build strong fluency in AltaML/AltaForge libraries and platforms and make sound technical choices independently.

What You Bring:

2–4 years of professional software engineering experience.
Daily, hands-on comfort with an AI coding assistant (Claude Code or equivalent) as a core part of how you work - or you pick one up fast.
Strong fundamentals in testing, Git, and at least one of Python, TypeScript, or C#.
Experience with a cloud platform (Azure, AWS, or GCP) is a plus.
Familiarity with LLM-based application development (LangChain, vector databases, LLM APIs) is a plus.

Nice to Have's:

Experience contributing to a shared component or config library.
Exposure to agentic workflows or GenAI product development.

What Success Looks Like

Independent Feature Velocity: Consistently owns and delivers small-to-medium complexity stories end to end with a fast, predictable cycle time - keeping delivery cost per story down.
AI-Accelerated Delivery: Visible, everyday use of AI-first workflows that meaningfully compresses cycle time - the weeks-to-days, days-to-hours shift we expect at every level.
Reusable Contribution: Regularly contributes novel code patterns or components that become candidates for shared libraries or AltaForge - supporting the AltaForge Clients and Same-Agent-Across-Clients north stars.
Technical Autonomy: Resolves the large majority of technical blockers independently, without routinely escalating to senior engineers.
Peer Quality Enhancement: Code review feedback that noticeably improves the quality of peers' work.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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More about this job

Responsibilities

Independently implement and deliver small-to-medium software features and bug fixes, using Claude Code and AltaML's shared skills library as the default workflow. Write tests and documentation, review peers' code, and build technical autonomy and familiarity with AltaML and AltaForge platforms.

Requirements

Requires 2–4 years of professional software engineering experience, strong testing and Git fundamentals, and proficiency in at least one of Python, TypeScript, or C#. Candidates should be comfortable using an AI coding assistant; cloud platform experience and familiarity with LLM application development are advantages.

Skills

Software Engineering
Claude Code
AI-Assisted Coding
Python
TypeScript
C#
Automated Testing
Git
Code Review
Technical Documentation
Cloud Platforms
LLM Application Development
LangChain
Vector Databases
Agentic Workflows
GenAI Product Development

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
Claude Code
AI-Assisted Coding
AltaML
AltaForge
CLAUDE.md
Python
TypeScript
C#
Automated Testing
Git
Code Review
Technical Documentation
Azure
AWS
GCP
LLM Application Development
LangChain
Vector Databases
LLM APIs
Agentic Workflows
GenAI Product Development
Shared Component Libraries
Feature Implementation
Bug Fixes
AI-First Workflows

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Software engineer jobs in Mississauga, ON and nearby

Senior Software Engineer, Web3 Backend

Principal Software Engineer

Software Development Engineer , Device Privacy And Data Handling

Software Engineer

Software Engineer

Intermediate Site Reliability Engineer

Intern - Software Engineer, Winter 2027

Software Engineer (Python/SQL)

Intern - Software Engineer, Winter 2027

Java Software Engineer

Software Architect

Application Architect Core HR

Senior Software Engineer, OIG

Senior Software Engineer – DevTest / QA Automation

Senior Software Engineer, OIG

Software Engineer (AWS)