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Added 14 days ago
TH
SENIOR ANALYST PRICING CAN
The Home Depot Canada
Toronto, ON
- Full-time
Experience with GBQ, SQL, Python, or other query/analytics languages.
Added 14 days ago
TH
analyste principal, Établissement des prix
The Home Depot Canada
Toronto, ON
- Full-time
Experience with GBQ, SQL, Python, or other query/analytics languages.
Added 14 days ago
Vice President Index Management – Equity Rebalance, Canada
Solactive AG
Toronto, ON
…investment strategies? We are looking for a resourceful self-starter with a quantitative academic background, professional experience in equity markets, derivatives, or index maintenance,…
Added 14 days ago
Application Security Engineer
Opendoor
Toronto, ON
● Application security or software engineering experience with a security focus, with strong skills in at least one of Python, Go, TypeScript, or Ruby, and the ability to read and write…
Added 14 days ago
Agentic Analytics Engineer
Opendoor
Toronto, ON
Experience in analytics, data science, or data engineering, with increasing scope and ownership
Added 14 days ago
D
Data Engineer
DarkVision
North Vancouver, BC
- $70,000 to $110,000 CAD / year
…black-box models; it requires robust pipeline architecture with clear lineage and traceability. Your focus will be developing this clean and reliable foundation that enables the intuitive…
Added 14 days ago
ED
Manager, Risk Quantification - EN 071
Export Development Canada | Exportation et développement Canada
Montreal, QC
- $112,006 to $149,341 CAD / year
- Full-time
Export Development Canada operates in a hybrid work environment, with a current requirement of three in-office days per week.
Added 14 days ago
BP
AI Model Validator
BNP Paribas
Montreal, QC
- Full-time
Programming experience in statistical or mathematical languages such as Python or R, and hands‑on experience with version‑control systems like GitHub.
Added 14 days ago
Lead Data Engineer
Capgemini
Vancouver, BC
…candidate will have strong expertise in **Databricks, PySpark, Python, SQL, Delta Lake, and cloud technologies (Azure/AWS)**, with experience building enterprise-scale data solutions that…
Added 14 days ago
Lead Data Engineer
Capgemini
Vancouver, BC
…candidate will have strong expertise in Databricks, PySpark, Python, SQL, Delta Lake, and cloud technologies (Azure/AWS), with experience building enterprise-scale data solutions that…
Added 14 days ago
RA
Software Engineering Intern - Embedded Platforms (Summer 2027)
Rivian and Volkswagen Group Technologies
Remote, Canada
- $30 to $33.75 CAD / hour
- Internship
- Remote
Experience with scripting languages such as Python, Shell, or Go
Added 14 days ago
RA
Software Engineering Intern - Connected Systems (Summer 2027)
Rivian and Volkswagen Group Technologies
Remote, Canada
- $30 to $33.75 CAD / hour
- Internship
- Remote
Rivian and Volkswagen Group Technologies is a joint venture between two industry leaders with a clear vision for automotive’s next chapter. From operating systems to zonal controllers to…
Added 14 days ago
RA
Software Engineering Intern - Applications (Summer 2027)
Rivian and Volkswagen Group Technologies
Remote, Canada
- $30 to $33.75 CAD / hour
- Internship
- Remote
Rivian and Volkswagen Group Technologies is a joint venture between two industry leaders with a clear vision for automotive’s next chapter. From operating systems to zonal controllers to…
Added 14 days ago
NF
Senior Data Scientist
Northbridge Financial
Toronto, ON
- Full-time
- Other
4+ years of programming experience with SQL and Python/R
Added 14 days ago
CL
Forward Deployed Engineer
Clover Labs AI
Remote, Canada
- $85,000 to $110,000 CAD / year
- Full-time
- Remote
Are comfortable with Python, particularly for scripting, scraping, automation, or data and AI workloads
Added 14 days ago
CL
Full Stack Developer
Clover Labs AI
Remote, Canada
- $75,000 to $110,000 CAD / year
- Contract
- Remote
Have strong experience with Python, particularly for scraping, automation, or data and AI workloads
Added 14 days ago
L
Security Engineer, Infrastructure Security
LiveKit
Canada
- Full-time
Fluency with infrastructure as code such as Terraform, and strong scripting and automation skills in a language such as Go or Python.
Added 14 days ago
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Business Analyst
Affinity
Calgary, AB
- Contract
Familiarity with SQL, Python, Jupyter Notebooks or other advanced data-analysis methods.
Added 14 days ago
SS
DevOps III, FME Flow
Safe Software
Canada
- Full-time
You are familiar with scripting languages such as Python, Powershell and/or Bash
Added 14 days ago
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Quality Engineer II
TD
Toronto, ON
- Full-time
As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.
Added 14 days ago
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AI Data Engineer
Citi
Mississauga, ON
- Full-time
…software engineering, data engineering, and AI/ML expertise with a focus on building scalable enterprise…
Added 14 days ago
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Senior Software Engineer
BCI
Victoria, BC · Vancouver, BC · CA Victoria
- Full-time
Strong software engineering fundamentals: experience designing and building full stack applications in Python and/or JavaScript/TypeScript (e.g. FastAPI, Flask, Node.js, Next.js, React),…
Added 14 days ago
Senior Consultant - Capital Markets - Market Risk and Treasury
EY
Toronto, ON
At EY, we’re all in to shape your future with confidence.
Added 14 days ago
B
Senior Software Engineer
BCI
Victoria, BC
- $106,000 to $128,000 CAD / year
- Full-time
Strong software engineering fundamentals: experience designing and building full stack applications in Python and/or JavaScript/TypeScript (e.g. FastAPI, Flask, Node.js, Next.js, React),…
Added 14 days ago
IG
Project Manager - Finance
Infotree Global Solutions
Montreal, QC
- Contract
Ensure compliance with all relevant regulatory requirements and internal standards related to model risk management under the guidance of the Head of RISK IRC Americas.

Opendoor

Application Security Engineer

Toronto, ON, Canada

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Job details

Posting language: English
Posted: Jun 17, 2026

Original job description

About The Role

Our Security Engineering team builds intelligent systems that protect Opendoor and our customers while enabling unprecedented engineering velocity. We apply software engineering and AI to solve security problems across product, infrastructure, and operations by building guardrails where they matter, not gates where they don't.

As our Application Security Engineer, you'll own how we find, prioritize, and drive down application-layer risk across the consumer flows that put cash offers in homeowners’ hands, the GraphQL APIs that power our products, and the AI agents and vibe-coded tools our engineers ship every week. The job is to make it safe to build fast, not to slow things down.

What You'll Do

Define, build and operate Opendoor’s application vulnerability identification capability - the tooling, triage workflow and remediation techniques across our consumer products, internal admin tools and GraphQL API powering home acquisition, resale, mortgage, title and escrow.

Assess, rationalize and own our AppSec tooling stack - static and dynamic security testing, software supply chain risk detection and secrets scanning and integrate findings into developer workflows where engineers already live (GitHub, Linear, Slack).

Own and mature our HackerOne program: tightening the triage workflow, improving signal to noise on incoming reports, strengthening researcher relationships and closing the loop with engineering teams so root causes get addressed quickly.

Lead threat modeling and security design reviews for new services, APIs, and mobile features. Turn the patterns you see into rules, lint checks, and CI guardrails so the next team doesn't make the same mistake.

Build AI agents and automated workflows that triage vulnerability reports, validate exploit reproductions, and draft remediation pull requests, replacing manual security review with high-signal automation.

Partner with engineering teams to harden authentication, authorization, and input validation across our codebase and production services, including the GraphQL gateway (Apollo) and our Kubernetes workloads - while driving a shift-left strategy that catches vulnerabilities before they ship.

Build Opendoor’s offensive security capability. Scope and run internal security testing, red team exercises and adversarial analysis of our highest-risk flows ensuring findings directly harden detection and response.

Set the bar for what "secure by default" looks like for AI-maximalist engineering, including vibe-coded apps, MCP servers, and agent-driven workflows that touch production data.

Build Opendoor’s security culture by establishing secure design standards, embedding into engineering team rituals and developing a strong security mindset - creating a foundation for engineers to think like attackers without slowing down.

Tech Stack

Languages: Go, Python, TypeScript, Ruby, Terraform

Cloud: AWS, GCP, Azure, Kubernetes, Apollo GraphQL

AppSec Tooling: GitHub Advanced Security (CodeQL, Dependabot, secret scanning), Semgrep, HackerOne, Burp Suite, Cloudflare WAF

AI Tooling: Claude, OpenAI, various agent frameworks, MCP - used heavily for vulnerability triage, exploit verification, and remediation drafting

What You'll Need

Deep conviction that AI and automation should eliminate manual work and increase the team's impact, and a track record to prove it. You’ve built agentic systems that replaced reactive security work, not just configured off-the-shelf tools.

Comfort operating with high autonomy in ambiguous environments. You’ve defined what “good” looks like in a domain where no playbook existed, you’re energized by that, not unsettled by it.

Business enablement security mindset. You measure success by business impact and informed risk-taking, not by tickets opened or pen test reports filed.

Application security or software engineering experience with a security focus, with strong skills in at least one of Python, Go, TypeScript, or Ruby, and the ability to read and write code across the others.

Hands-on expertise across the security risk detection toolchain with real deployment experience using GitHub Advanced Security, Semgrep, or equivalent.

Strong grasp of common application and API vulnerability classes including GraphQL, REST, and gRPC security pitfalls - broken authorization, mass assignment, introspection exposure, insecure direct object references.

Practical threat modeling skills. You can take an architecture diagram and a 30-minute conversation and walk out with the three things that actually matter.

Experience with cloud and container security on AWS and Kubernetes, including identity and access management, secrets management, and continuous integration / continuous deployment pipeline security.

Humility and genuine curiosity. You're as excited to learn from product engineers and enable their work as you are to break things.

Bonus Points

Offensive security experience including pentesting, API security, or mobile security, and/or red team operations.

Experience running a bug bounty or coordinated disclosure program at scale.

Mobile application security review experience (iOS and Android).

Experience securing AI and machine learning pipelines, agent frameworks, or MCP-style integrations.

OSCP, OSWE, or similar offensive certifications.

Location

We're looking for team members who are enthusiastic about an in-office culture - people who want to build alongside others and not from a distance. This role is based in one of our talent hubs where we welcome everyone 5 days a week with the requirement of Mo, Tu, Th, Fri.

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More about this job

Responsibilities

The Application Security Engineer will define and operate vulnerability identification capabilities while building AI-driven workflows to automate security triage and remediation. They will also lead threat modeling, security design reviews, and partner with engineering teams to harden production services and infrastructure.

Requirements

Candidates must have strong software engineering experience with a security focus and proficiency in Python, Go, TypeScript, or Ruby. The role requires hands-on expertise in application security tooling, cloud/container security, and a proven track record of using automation to solve security challenges.

Skills

Application Security
Software Engineering
Python
Go
TypeScript
Ruby
GraphQL
Kubernetes
AWS
GCP
Threat Modeling
Vulnerability Management
CI/CD
Offensive Security
AI Automation
Cloud Security

Visa sponsorship

Not detected in the job text

Keywords

Application Security
Security Engineering
Go
Python
TypeScript
Ruby
Terraform
AWS
GCP
Kubernetes
Apollo GraphQL
GitHub Advanced Security
CodeQL
Dependabot
Semgrep
HackerOne
Burp Suite
Cloudflare WAF
AI Agents
Threat Modeling
Red Teaming
Offensive Security
API Security
Shift-left
Vulnerability Triage
Identity and Access Management
CI/CD Pipeline Security
OSCP
OSWE
Mobile Security

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