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Added 2 months ago
TT
Product Application Engineer - Building Automation
trane technologies
Montreal, Quebec
- Full-time
…Intelligence company for the position of Product Application Engineer - Building Automation. Are you fascinated in leveraging AI to gain insight in the behavior of buildings? You will be…
Added 3 months ago
L
Customer Success Application Engineer
Litmus
Remote, Canada
- Full-time
- Remote
The Application Engineer will work with prospective and existing customers during proof-of-concept projects and production implementations, validating requirements, developing best-practice…
Added 1 month ago
Senior Software Engineer, AI Entries
Lyft
Toronto, ON
Lyft is looking for software engineers from a scope of disciplines. We are growing our team with people who want to build, improve and incorporate technologies that make the lives of our…
Added 2 months ago
TI
Product Application Engineer - Building Automation
Trane Italia
Canada
- Full-time
…Intelligence company for the position of Product Application Engineer - Building Automation. Are you fascinated in leveraging AI to gain insight in the behavior of buildings? You will be…
Added 3 months ago
Q
Senior ASIC Design Verification Engineer, Compute DSP/AI Processors (multiple levels)
Qualcomm
Markham, ON
- Full-time
Experience with scripting languages (Python, CShell)
Added 3 months ago
PS
Senior Applied AI Engineer
Public Sector Pension Investment Board
Montreal, QC
- Full-time
We’re one of Canada’s largest pension investors, with CAD$320.6 billion of net assets as of March 31, 2026.
Added 1 month ago
C
Backend Engineer
Cambio
Kitchener, ON
- Full-time
…commercial real estate owners bring their portfolios to net-zero with an AI-driven sustainability, asset, and investment management platform. We're backed by Y Combinator, Google, and…
Added 4 months ago
JC
Senior Machine Learning Engineer
Jumio Corporation
Montreal, Quebec
- Full-time
We're looking for a Senior Machine Learning Engineer with strong computer vision expertise to join our Biometrics team. You'll ramp up on the biometrics domain while contributing to the…
Added 4 months ago
P
Full Stack Engineer II
Procurify
Remote, Canada
- $116,000 to $129,000 CAD / year
- Full-time
- Remote
We are looking for a Full Stack Engineer II to join our team and help build the core engine and user experiences that power the Procurify platform. You will be a key contributor across both…
Added 4 months ago
B
Staff Application Security Engineer
Brex
Canada
- $240,000 to $300,000 USD / year
- Full-time
Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We…
Added 1 month ago
TC
Machine Learning Engineer - Express Scripts Canada
The Cigna Group
Mississauga, ON
- Full-time
- Other
The role blends hands-on data engineering (Oracle + ETL), model development (unsupervised learning), and API serving (Python/FastAPI), with close collaboration across business teams. You’ll…
Added 3 months ago
CH
Machine Learning Engineer - Express Scripts Canada
Cigna Healthcare
Mississauga, ON
- Full-time
The role blends hands-on data engineering (Oracle + ETL), model development (unsupervised learning), and API serving (Python/FastAPI), with close collaboration across business teams. You’ll…
Added 2 months ago
Senior Software Engineer (Senior AI Engineer)
Scotiabank
Toronto, ON
Experience with Python, particularly FastApi, Gemini (or any LLM Provider) API development, Asyncio/multiprocess management tooling is strongly preferred
Added 3 months ago
S&
Lead Underground Transmission Line Engineer 2 - Grid
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
Work and coordinate with vendors and clients to specify transmission line components.
Added 3 months ago
S&
Senior Underground Transmission Line Engineer 2 - Grid
Sargent & Lundy
Toronto, ON · North York, ON
- Full-time
Work and coordinate with vendors and clients to specify transmission line components.
Added 3 months ago
AG
R2026-297 Senior Software Engineer
Adelphi Group
Toronto, ON
- Full-time
As a Senior Software Engineer - Full Stack with Perpetua, you will contribute to our core platform built primarily with Python, Django, React, TypeScript, BigQuery, and GCP. You will help…
Added 2 months ago
AN
Expert/Principal Software Engineer
Arista Networks
Vancouver, BC
- Full-time
…intelligence, and software-defined networking to provide our clients with a competitive edge in an increasingly interconnected world. Our solutions are designed to not only meet the current…
Added 3 months ago
N
Intermediate Digital Hardware Design Engineer
Nokia
Canada
- Full-time
Applied R&D (AR) consists of target-oriented research either with the goal of solving a particular problem / answering a specific question or for multi-discipline design, development, and…
Added 1 month ago
V
Senior Software Engineer
Voices
ON · Ontario, Canada
- Full-time
As a Senior Software Engineer, you’ll join a high-performing development organization working in cross-functional teams to design, build, and evolve modern full-stack systems that power…
Added 1 month ago
F
Staff Software Engineer - Code Authoring
Forerunner
Kitchener, ON
- Full-time
…best products from around the world to sell in their stores. With the right tools and insights, we believe that we can level the playing field so businesses can grow and local communities…
Added 4 months ago
LA
AI Engineer
LGS, an IBM Company
Montreal, Quebec
- Full-time
Languages & Libraries: Proficiency in Python + AI libraries (Pandas, Huggingface, OpenAI, etc.) and experience with Java and JavaScript.
Added 4 months ago
O
Enterprise Security Engineer
Opendoor
Toronto, Ontario
- Full-time
…combined our deep, proprietary data and operational expertise with the power of artificial intelligence to make online home selling and buying radically…
Added 4 months ago
S
Senior Backend & Infrastructure Engineer
Scispot
Remote, Canada
- $80,000 to $120,000 USD / year
- Full-time
- Remote
We are looking for a senior backend and infrastructure engineer who treats production as a product.
Added 4 months ago
P
Senior Frontend Engineer
Procurify
Remote, Canada
- $137,000 to $152,000 CAD / year
- Full-time
- Remote
You’re a person with a knack for solving some of the most pressing technology challenges in SaaS application development while leveling up the team of engineers around you, and you’re eager…
Added 4 months ago
HM
Data Engineer
Hotspex Media
Toronto, Ontario
- $85,000 to $115,000 CAD / year
- Full-time
Partner with Workflow Automation Engineer on ingestion contracts: landing schemas, refresh patterns

Brex

Staff Application Security Engineer

Canada

$240,000 to $300,000 USD / year · Full-time

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Job details

Pay: $240,000 to $300,000 USD / year
Job type: Full-time
Experience: 8+ years of experience in Application Security, Product Security, or software engineering with a primary focus on offensive and defensive application security.
Posting language: English
Posted: Jun 25, 2026

Original job description

Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level - from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you’ll do As a Staff Application Security Engineer, you will define the technical vision and long-term security architecture for the Brex platform. You will serve as the technical leader for the Application Security team, driving the strategic direction of our secure product lifecycle and vulnerability management programs. This role is highly cross-functional, requiring you to establish deep, collaborative connections across the broader engineering organization to embed security seamlessly into high-velocity development pipelines. We're looking for individuals with a solid foundation in penetration testing and a curiosity for finding vulnerabilities in complex systems. You should have experience identifying and documenting vulnerabilities across common vulnerability classes and be able to communicate their risk clearly to engineering and product teams. Brex is pioneering the next wave of AI-driven financial services for dynamic, high-impact companies like Coinbase, Robinhood, and Anthropic. As we integrate AI across our product suite, you will be at the forefront of securing our novel AI implementations, identifying emerging attack vectors in agentic-powered features, and hardening distributed LLM architectures. You will mentor team members, raise the technical bar for the organization, and partner with product and engineering leaders to build AI capabilities our customers can trust with their critical financial operations. Where you’ll work This role will be based in our San Francisco office. We are a hybrid environment that combines the energy and connections of being in the office with the benefits and flexibility of working from home. We currently require 3 days per week in the office - Monday, Wednesday and Thursday. As a perk, we also have up to four weeks per year of fully remote work! Responsibilities: Lead the technical vision and strategic roadmap for the Application Security team, aligning security objectives with Brex's enterprise growth and high-velocity engineering metrics. Establish technical standards and secure defaults across the entire engineering organization, fostering a culture of collaborative security excellence and bridging product platforms, infra, and trust. Architect and secure novel AI/ML and agentic workflows, applying cutting-edge practices to mitigate risks such as prompt injection, model manipulation, and data poisoning. Mentor and coach engineers within the team and across the broader organization, guiding technical growth, helping individuals level up their security expertise, and accelerating team delivery. Drive proactive vulnerability discovery and offensive security testing strategies, executing complex attack chains to demonstrate business impact and prioritize cross-functional remediation. Partner with Product Platform, Cloud Infrastructure, and Data engineering teams to ensure core primitives, APIs, and microservices are secure by default from design to deployment. Requirements: 8+ years of experience in Application Security, Product Security, or software engineering with a primary focus on offensive and defensive application security. Proven track record of technical leadership and team mentorship on complex, multi-quarter security engineering initiatives in a fast-paced environment. Deep proficiency and technical expertise in AI security, including hands-on experience securing agentic architectures, LLM gateways, and evaluating adversarial AI vectors. Strong systems-thinking capabilities with extensive experience defining secure product development lifecycles, threat modeling complex topologies, and cloud-native container security (AWS, Kubernetes). Proficiency in Python, Go, or similar languages to architect internal tooling, pipeline automation, and advanced detection/scanning engines. Exceptional written and verbal communication skills, with a demonstrated ability to navigate ambiguity, influence technical leaders, and manage up and out across EPD organizations. Bonus Points: Experience with Kotlin, gRPC, GraphQL, Kubernetes Previous experience in building and scaling security teams Experience with securing distributed systems in AWS and cloud environments Contributions to the wider technical community - open source, public research, CTF participation, blogging, CVEs, or presentations Experience submitting to bug bounty or responsible disclosure programs Published AI security research or contributions to AI security frameworks Compensation: The expected salary range for this role is $240,000 USD - $300,000 USD. However, the starting base pay will depend on a number of factors including the candidate’s location, skills, experience, market demands, and internal pay parity. Depending on the position offered, equity and other forms of compensation may be provided as part of a total compensation package.

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More about this job

Responsibilities

Lead the technical vision and strategic roadmap for the Application Security team, aligning security objectives with Brex's enterprise growth. Drive proactive vulnerability discovery and offensive security testing strategies while mentoring team members.

Requirements

Candidates should have 8+ years of experience in Application Security or related fields, with a strong focus on offensive and defensive security. Deep proficiency in AI security and experience with cloud-native security practices are essential.

Skills

Application Security
Product Security
Software Engineering
Technical Leadership
Team Mentorship
AI Security
Threat Modeling
Cloud Security
Python
Go
Vulnerability Management
Penetration Testing
Collaboration
Communication
Offensive Security
Distributed Systems

Visa sponsorship

Not detected in the job text

Keywords

Application Security
Product Security
Software Engineering
AI Security
Vulnerability Management
Penetration Testing
Threat Modeling
Cloud Security
Python
Go
Kubernetes
AWS
Distributed Systems
Technical Leadership
Team Mentorship
Collaboration
Communication

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