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Added 4 mins ago
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Systems Administrator - (Windows and Unix-Linux environments/ Automation/ AWS)
BMO
Toronto, ON · SCC
- Full-time
…day-to-day activities 7/24/365 required to run the mission critical systems for the company ensuring business service levels are met and environments are managed. Monitors and ensures…
Added 4 mins ago
BC
Project Assistant/Office Administrator - Buildings West
Bird Construction
Kelowna, BC
- Full-time
…duties and helping to minimize the task work done by Project Manager, Project Coordinator, Estimator and Superintendent, also maintains office services by organizing office operations and…
Added 5 mins ago
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Technical Analyst
Kyndryl
Victoria, BC · Regina, SK
- Full-time
The Technical Analyst works under the direction of a Manager in the area of service and project delivery to enhance and maintain the customer’s desktop infrastructure, affecting services…
Added 19 mins ago
L
Senior Project Manager - FIFO (EPCM/Gold Project)
Lycopodium
Prince George, BC
- Temporary
…and project delivery services globally, across the resources, infrastructure and industrial processes sectors. By joining our global team and learning from renowned subject matter experts,…
Added 19 mins ago
SF
Manager, Server & Storage
Simon Fraser University
Burnaby, BC
- Full-time
The Manager, Servers and Storage will be responsible for leading, managing, guiding, and supporting the Infrastructure Services group, in partnership with University clients. The role works…
Added 19 mins ago
Project Manager, Power Delivery
WSP
Toronto, ON
As a Senior Project Manager, you will play a key role in delivering complex power projects across Eastern Canada and beyond. Projects will vary in size and complexity and can include scope…
Added 19 mins ago
Senior Manager, Payroll & HR Services
Celestica International LP
Toronto, ON
The Senior Payroll Manager, Americas Payroll will own all aspects of payroll operations, ensuring the effective execution of payroll related services. You are a strategic thinker with a…
Added 19 mins ago
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Transportation Engineer
HDR
Burlington, ON · Toronto, ON
- Full-time
…HDR’s Transportation Business Group, you’ll help shape the systems that move people and goods safely, efficiently, and sustainably. From designing resilient highways and iconic bridges to…
Added 34 mins ago
GT
Associate Director, Software Engineering
Greater Toronto Airports Authority
Toronto, ON
- Full-time
10+ years of progressive experience in software engineering and delivery, including accountability for production systems and service reliability. Experience in aviation, transportation,…
Added 34 mins ago
HR
Mechanical Room Mechanic
Humber River Health
Toronto, ON · Greater Toronto, ON
- Other
The Maintenance Mechanic is responsible for the maintenance and repair of Legacy Site Hospital infrastructure equipment and systems.
Added 48 mins ago
GE
Senior Manager of Information Technology and Digital Transformation
Grand Erie District School Board
Brantford, ON
- Full-time
Reporting to the Superintendent of Education, the Senior Manager of Information Technology and Digital Transformation is a visionary leader responsible for driving digital transformation…
Added 48 mins ago
W
Technical Coordinator
Webuild
Toronto, ON
- Full-time
Solid experience in infrastructure projects, including metro systems, railways, major civil works, and EPC projects.
Added 48 mins ago
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Cyber Security Specialist
Scarborough Health Network
Toronto, ON · Scarborough, ON
- Full-time
Reporting to the Information Security Manager, the Cyber Security Specialist plays an integral role in the delivery of the Cyber Security program through the Local Delivery Group (LDG) in…
Added 48 mins ago
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HSE Manager
Worley
AB · Edmonton, AB
- Full-time
Worley Canada Construction is seeking a HSE Manager to join our HSE team at our Air Products project in Edmonton, AB.
Added 1 hour ago
GD
Senior Manager Network Infrastructure
Groupe Dynamite, Inc Garage
Mont-Royal, QC · Ville Mont-Royal, Quebec
- Full-time
The Senior Manager’s role is to plan, organize, and manage staff and overall operations to ensure the stable operation of the organization’s network infrastructure.
Added 1 hour ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 1 hour ago
AE
Intermediate Civil Engineer
Associated Engineering
Kelowna, BC
- Full-time
Hydrotechnical design of water management infrastructure and flood protection systems.
Added 1 hour ago
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Software Engineer, Full Stack
Gigi
Toronto, ON
- Full-time
Gigi is the agentic operating system of enterprise media buying. Our first product is the AI media manager for Amazon DSP. Since launching it in summer 2025, we've grown to manage hundreds…
Added 1 hour ago
W
Senior Mechanical Engineer- Material Handling
Worley
Vancouver, BC
- Full-time
Worley is seeking a Senior Material Handling Engineer / Project Manager to provide senior-level mechanical engineering, materials handling, and project management expertise within the…
Added 1 hour ago
GD
Senior Manager Network Infrastructure
Groupe Dynamite
Mont-Royal, QC
- Full-time
The Senior Manager’s role is to plan, organize, and manage staff and overall operations to ensure the stable operation of the organization’s network infrastructure.
Added 1 hour ago
AE
Manager, Project Management Office - Digital Services
Associated Engineering
AB · Edmonton, AB
- Full-time
Associated Engineering, a proudly Canadian, Employee-owned Company is seeking an experienced and dedicated Manager, Project Management Office - Digital Services Plamming and Governance to…
Added 1 hour ago
AE
Project Manager - Digital Services Planning and Governance
Associated Engineering
Calgary, AB
- Full-time
Associated Engineering, a proudly Canadian, Employee-owned Company is seeking an experienced and dedicated Project Manager, Digital Services and Governance to join our team in our Edmonton…
Added 1 hour ago
Lead, SAP Functional Solutions (Utility Metering & Customer Technology)
Liberty Utilities
Oakville, ON
Added 1 hour ago
GI
Technical Support Analyst
Green Infrastructure Partners
Markham, ON · Headquarters, Markham, ON
- Full-time
Reporting to the Manager, IT the Technical Support Analyst will provide technical support to maintain the company's IT infrastructure across remote and local office environments.
Added 1 hour ago
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Managing Director - Cybersecurity & Core Technology Audit
BMO
Toronto, ON · FCP
- Full-time
…technology domains, including cybersecurity resilience, technology infrastructure, cloud platforms, engineering practices, software development, service management, technology operations,…

Gigi

Software Engineer, Full Stack

Toronto, ON, Canada

Base salary: $150k to $200k depending on experience and talent level · Full-time

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Job details

Pay: Base salary: $150k to $200k depending on experience and talent level
Job type: Full-time
Apply by: Apr 26, 2027
Posting language: English
Posted: Oct 28, 2026

Original job description

Gigi is the agentic operating system of enterprise media buying. Our first product is the AI media manager for Amazon DSP. Since launching it in summer 2025, we've grown to manage hundreds of millions in advertising spend on behalf of the largest agencies in the world.

We're backed by top venture investors Golden Ventures and Aperiam Ventures. Our founding team has spent 15+ years building in Amazon Ads and ecommerce, including a prior $100M+ exit.

We doubled revenue in the past two months. We expect to double again by early Q4.

We're hiring an AI Builder - a full stack software engineer - to join our engineering team in Toronto and own end-to-end feature development for Gigi, our AI agent.

This is still fundamentally a software engineering role. Much of the work will feel familiar: designing APIs, building interfaces, modelling data, integrating services, writing tests, debugging production issues, and making architectural decisions. The main difference is the product we're building: agentic software where LLMs reason, use tools, and take actions on behalf of customers.

You do not need to be an AI researcher or have years of professional LLM experience. Strong full stack engineers who are excited to learn how agentic systems work should apply. You'll use tools such as Codex, Claude Code, and Cursor as a core part of how you work, while building across agent logic, backend services, data, and the customer-facing product.

This is the 12th role at Gigi. As an early employee, you will have a meaningful role in shaping our product, engineering culture, and company.

What You'll Do

Ship end to end. You'll own features from the data layer through the agent logic to the interface a media buyer actually touches. Our stack includes Python, FastAPI, LangGraph and LangChain; TypeScript, Vue and Nuxt; Java and Spring Boot; PostgreSQL, pgvector, Redis and NATS; and AWS.
Build with AI as a core part of your development workflow. Use Codex, Claude Code, Cursor, and other coding agents to help plan, implement, test, debug, and review software. You are still responsible for the architecture, quality, and correctness of what gets shipped.
Build the agent's judgment, not just its plumbing. Decide what Gigi should do autonomously and what it must escalate to a human, then score actions on risk and confidence so recommendations read differently when the data is thin.
Draw the line between probabilistic and deterministic work. LLMs for reasoning, structured software for execution. Knowing where that boundary sits on any given feature is a daily call, not a settled architecture.
Build reliable agentic systems. You'll learn to design tools, retrieval, memory, evaluations, guardrails, and human approval flows that make Gigi dependable enough to take action inside real advertising accounts. Prior experience with all of these is not expected.
Work directly with customers. You'll sit in on calls, read transcripts, and take feedback straight from the media buyers using the product. You'll turn ambiguous customer problems into shipped product without waiting for a perfect spec.

What Success Looks Like

First 30 days. Your code is in production. You understand what a media buyer's day actually involves and why the product is shaped the way it is.
Six months. You own a surface area of the product outright. When something breaks in it, or a customer asks for something new, you're the person who decides what happens.
Twelve months. You've shipped something we could not have built without you, and you've thrown out at least one thing you built because the abstraction was wrong.

What You'll Bring

A track record of building and shipping production software used by real customers. We care more about what you have built and owned than an exact number of years.
Strong full stack software engineering experience. The fundamentals you already have - system design, APIs, data models, interfaces, testing, debugging, and operating production software - transfer directly to this role.
Comfort across the stack. Real depth somewhere, no allergy to the parts you're weaker in.
Experience using, or a strong desire to become highly effective with, AI coding tools such as Codex, Claude Code, Cursor, or similar tools. You do not need to be an expert on day one, but you should be excited to use them every day - and strong enough technically to review their work, reject weak abstractions, catch missing edge cases, and remain accountable for what ships.
Curiosity about how LLMs change software products and the way software gets built. You should be excited to develop good judgment around where AI belongs - and where conventional software is the better answer.
Judgment over specification. You can make a reasoned call, ship it, and iterate fast when it's wrong.
Speed and ownership. LLMs changed what “fast” means for a small team. You should be comfortable using AI coding agents to move quickly while maintaining a high bar for architecture, correctness, and maintainability.

What You Don't Need

You do not need an AI research background or experience training foundation models. We build products around existing models, combining them with tools, data, business logic, interfaces, and production infrastructure.
You do not need prior experience with every agent framework or concept we use. We expect strong engineers to learn LangGraph, agent orchestration, evaluations, retrieval, and tool use on the job.
You do not need prior advertising or Amazon DSP experience. Our team will help you learn the domain.

Bonus Points If

You've built with LLMs in production: evals, guardrails, tool use, retrieval, agent orchestration, cost and latency work.
You've worked in advertising or ecommerce.
You've built real-time data pipelines at meaningful volume, or been early enough at a startup to know what the first 20 people actually do.
You've operated production systems where correctness, permissions, auditability, or customer trust mattered.

The Hard Parts

We'd rather you know this before you apply.

We work hard. We are trying to build a generational company, and early employees should expect intensity, ambiguity, and high standards.
Cash compensation is competitive for our stage, but we will not win every late-stage salary comparison. The upside is meaningful ownership and equity in a company growing quickly.
We throw out working code when the underlying abstraction is wrong. Some of what you build will not survive, and you'll be the one who calls it.
Nobody is siloed. You'll write frontend, debug backend, think through product, join customer calls, and solve whatever problem is blocking the customer.

Compensation and Equity

Base salary: $150k to $200k depending on experience and talent level
Meaningful equity. We want to be as generous with equity as possible, and top performers can expect equity top-ups early and often.

Life at Gigi

In-office culture. We work together downtown Toronto, but makers (i.e. engineers) can choose to work where they are most productive on Wednesdays. Our office is right across from Union Station
Catered lunch every day from Toronto's best spots. Current rotation: Impact Kitchen, iQ Food Co., ChopHop, and Cumbrae's.
Real snacks: Greek yogurt, Mateína yerba mate, Barebells protein bars, Midday Squares. Tell us what you want and we'll add it.
Top-of-the-line Apple equipment.
Comprehensive health and dental coverage.

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More about this job

Responsibilities

Own end-to-end product features across data layers, agent logic, backend services, and customer-facing interfaces, while using AI coding tools to plan, build, test, and review software. Design reliable agentic systems with appropriate autonomy, risk and confidence assessment, human approval flows, and customer feedback incorporated into product decisions.

Requirements

Candidates should have a track record of building and shipping production software, strong full-stack engineering fundamentals, and depth in at least one area of the stack. They should be comfortable learning and using AI coding tools, exercise sound technical judgment, and be able to move quickly while maintaining software quality; prior AI research, advertising, or Amazon DSP experience is not required.

Skills

Full-Stack Software Engineering
Python
FastAPI
LangGraph
LangChain
TypeScript
Vue
Nuxt
Java
Spring Boot
PostgreSQL
pgvector
Redis
NATS
AWS
LLM Agent Development

Benefits

Equity
Catered Lunch
Snacks
Apple Equipment
Health Insurance
Dental Coverage

Visa sponsorship

Not detected in the job text

Keywords

Full-Stack Engineering
Agentic Software
Large Language Models
AI Coding Agents
Codex
Claude Code
Cursor
Python
FastAPI
LangGraph
LangChain
TypeScript
Vue
Nuxt
Java
Spring Boot
PostgreSQL
pgvector
Redis
NATS
AWS
API Design
System Design
Data Modeling
Retrieval
Agent Orchestration
Evaluations
Guardrails
Human Approval Flows
Amazon DSP

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