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Added 1 month ago
Senior Software Engineer - Metadata
Fivetran
ON
…make access to data as simple and reliable as electricity. With Fivetran, customer data arrives in their warehouses, canonical and ready to query, with no engineering or maintenance…
Added 2 months ago
VD
Senior Software Engineer - Database
VAST Data
Vancouver, BC
- Full-time
VAST Data is looking for a Senior Software Engineer to join our growing team!
Added 2 months ago
S&
Senior Substation Electrical Engineer 1 - Grid
Sargent & Lundy
Calgary, AB
- Full-time
This position offers you the opportunity to work in a project team environment with other engineers and designers involved in the detailed electrical design and project management of high…
Added 3 months ago
N
Senior Software Engineer, Data Engineering
NationGraph
Toronto, ON
- $150,000 to $200,000 CAD / year
- Full-time
This is real data engineering, not dashboard plumbing. You'll build high-volume interaction and ingestion pipelines with retries, dead-letter handling, checkpointing, and resumability; turn…
Added 3 months ago
SS
Robotics Software Engineer
Sapphire Stream Technology
Toronto, ON
- Full-time
We are looking for a Robotics Software Engineer to develop and improve robotics applications using ROS 2. The engineer will work on sensor integration, computer vision, navigation,…
Added 3 months ago
S
Full Stack Engineer
Structurely
Canada
- Full-time
We need a senior backend engineer with high agency to own and evolve our backend services. You’ll build reliable, scalable systems that support real-time, high-throughput workloads…
Added 3 months ago
SS
AI Performance Engineer – GPU & ROCm
Sapphire Stream Technology
Toronto, ON
- Full-time
We are looking for a GPU AI Performance Engineer to optimize and deploy AI and machine-learning workloads using ROCm.
Added 3 months ago
PI
Data Platform Engineer
Princeton IT Services, Inc
Toronto, ON
- Full-time
Collaborate with internal stakeholders to translate business and analytical requirements into well-defined backend features and data products.
Added 3 months ago
ES
Machine Learning Engineer - Express Scripts Canada
Express Scripts Pharmacy Benefit Services
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
D
Senior DevOps Engineer
DataStealth
Mississauga, ON
- Full-time
We are looking for a skilled DevOps Engineer to join our team and help streamline software delivery, infrastructure management, and system reliability. You will work closely with the rest…
Added 2 months ago
S&
Lead Substation Engineer 1 - Grid
Sargent & Lundy
Calgary, AB
- Full-time
This position will offer you the ability to directly apply your knowledge of protective relaying and controls systems for HV and EHV substations. As a Lead Substtion Engineer, you will:
Added 2 months ago
S1
Full-Stack Machine Learning Engineer
Signal 1
Toronto, ON
- Full-time
- Depth in AI and backend engineering: strong Python for services and ML pipelines, working fluency with cloud infrastructure and CI/CD, and a working understanding of frontend development…
Added 2 months ago
CO
Staff Software Engineer
Capital One
Toronto, ON
- Full-time
161 Bay Street (93021), Canada, Toronto,Toronto, Ontario,Staff Software Engineer
Added 2 months ago
M
Senior Software Engineer - Brokerage Platform
moomoo
Remote, Canada
- Full-time
- Remote
Having launched in Canada just over a year ago, MFC has experienced significant growth and success. Based in Toronto, with convenient access to the city’s Line 1 TTC subway, our new office…
Added 2 months ago
E
Développeur logiciel en support à la recherche sur les menaces / Threat Research Software Engineer (m/f/n)
ESET
Montreal, QC
- Full-time
Expérience en Python et JavaScript, avec une expérience démontrée dans la conception, le développement et la maintenance de systèmes Python assortis d’une réelle responsabilité…
Added 2 months ago
C
Member of Technical Staff, Agentic Environments
Cohere
Remote, Canada
- Full-time
- Remote
…achieve for production environments, and we're seeking a senior engineer who understands the practical challenges of making AI systems work at scale. This role demands deep technical…
Added 3 months ago
A
Automation (Python) ClickHouse QA Engineer (Security Focus)
Altinity
Remote, Canada
- $70,000 to $100,000 USD / year
- Full-time
- Remote
Altinity is looking for a great Automation (Python) QA Engineer with a security focus to help us deliver high-quality analytic data services across all environments and address emerging…
Added 3 months ago
F
R2026-297 Senior Software Engineer
Flywheel
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 3 months ago
W
Software Engineer III - Visual AI Technology
Wayfair
Toronto, ON
- $192,047 to $211,914 CAD / year
- Full-time
…workflows, internal automated content pipelines, and partner with our creative teams to deliver immersive, dynamic, and scalable visual experiences for millions of customers. As a Software…
Added 3 months ago
PI
Senior Snowflake Engineer
Princeton IT Services, Inc
Toronto, ON
- Full-time
Data Engineer with strong expertise in ETL development, building Snowflake data pipelines, SQL, Python, and scalable data engineering solutions.
Added 3 months ago
PI
Java Lead Engineer / Architect - Agentic AI
Princeton IT Services, Inc
Toronto, ON
- Full-time
We are seeking a highly experienced Java Lead Engineer / Architect to design and build next-generation distributed platforms focused on edge computing, backend services, and AI/ML…
Added 3 months ago
A
DFT Design Engineer
AMD
Markham, ON
- $128,000 to $192,000 USD / year
- Full-time
Experience with Perl/Python/Shell scripting, C++, SQL
Added 2 months ago
CP
Databricks Architect | Canada
Cuesta Partners
Remote, Canada
- $180,000 to $225,000 USD / year
- Full-time
- Remote
…is a hands-on leadership role where you will work directly with clients - including C-level stakeholders - to design, build, and deploy production-grade Databricks…
Added 2 months ago
CA
Frontend Software Engineer
Cambio AI Inc.
Remote, Canada
- Full-time
- Remote
As a Frontend Engineer at Cambio, you will play a critical role in crafting and implementing our software platform's user interface. Your mission will be to build intuitive, responsive, and…
Added 2 months ago
L
Director of Engineering
Lazer
Remote, Canada
- Full-time
- Remote
Strong full stack depth with TypeScript, React, Node.js, Python or Go.

Altinity

Automation (Python) ClickHouse QA Engineer (Security Focus)

Remote, Canada

Remote

$70,000 to $100,000 USD / year · Full-time

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Job details

Pay: $70,000 to $100,000 USD / year
Job type: Full-time
Workplace: Remote
Experience: 3+ years of hands-on testing experience in DBMS, cloud services, storage, or operating systems
Posting language: English
Posted: Jul 29, 2026

Original job description

ClickHouse is the hottest analytic database on the planet and Altinity is the home of ClickHouse experts who build real-time data solutions that run anywhere. ClickHouse now has more contributors than ElasticSearch, previously the biggest Open Source analytic project on GitHub. Altinity is a distributed company that values employees, open-source, and doing the right things for customers. Altinity is looking for a great Automation (Python) QA Engineer with a security focus to help us deliver high-quality analytic data services across all environments and address emerging security threats. Along with other testing professionals, you will be testing features in the ClickHouse server, client interfaces, and related services around ClickHouse. We verify SQL, REST, native client APIs, authentication, authorization, RBAC, OAuth integrations, FIPS compatibility, and Linux, filesystem, networking, and process-level interfaces in the stack. You will be writing automated tests, running AI-assisted security scans, helping with scheduled CVE scans, and turning validated findings into reliable regression tests. Much of our software is open source and our tests make heavy use of open source software and development techniques. Your test code may be publicly visible, so it has to be great. You will be using AI daily but able to show your core technical skills without it. Here is how to tell if you fit: You are able to pass a technical interview without using AI and are open to in-person interviews You have security-focused testing experience or are willing to learn fast and make it your new passion You have an unmatched motivation and are fascinated by software quality You are an outstanding coder You know or want to learn how to develop and run tests at every level of the stack You can communicate and work well with a remote team Candidates need to meet the following qualifications: 3+ years of hands-on testing experience in DBMS, cloud services, storage, or operating systems Strong working knowledge of Docker, Linux, and network security fundamentals Experience with or strong interest in security testing, including CVE triage, dependency scanning, Docker image scanning with tools such as Grype or Trivy, authentication, authorization, RBAC, OAuth, TLS, FIPS, secrets handling, and security-hardened systems Excellent knowledge of Python, C++ and bash scripting Excellent coding skills and ability to write clean, efficient test code Expert at designing enterprise-level functional tests for cloud services, client libraries, or service APIs Experienced in using modern CI/CD systems like GitHub Actions Tenacious at figuring out ways to break software and systematic in documenting bugs Excellent discipline to follow test processes Capable of working independently with minimal supervision Our Benefits: Work from Anywhere, Anytime: We are not your typical nine-to-five shop! Enjoy the flexibility of working from literally wherever and whenever. Create a schedule that works for you and your family or lifestyle. Recharge your batteries with our open vacation policies. Cultural Diversity: We love that we get to work with passionate people from around the world. Currently, our team is made of professionals from 25 different countries! Career Development: We provide opportunities to learn new technologies as well as try out new roles. We also offer access to training on leading-edge technologies, plus flexible work schedules for external education. USA Employees Benefits: We offer comprehensive PPO health care plans for our US-based employees that are incredibly flexible to meet the needs of individuals or families. 401K with company match also available. Company Travel: We come together in person two to three times per year in locations across the globe. We also fund travel to conferences and encourage presentations as well as contributions to open-source communities. This is a full-time position and includes equity in the company. Altinity is venture-funded and financially stable. We are 100% remote. You may work anywhere you have work permits. Check out our many other benefits including flexible work hours, career development, and open vacation policies. We are eager to meet you!

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More about this job

Responsibilities

Develop and execute automated tests for ClickHouse server, client interfaces, and related services with a strong focus on security. Responsibilities include running AI-assisted security scans, managing CVE triage, and creating regression tests for validated findings.

Requirements

Requires 3+ years of testing experience in DBMS, cloud services, or operating systems with strong proficiency in Python, C++, and Linux. Candidates must have expertise in security testing fundamentals, including authentication, authorization, and container scanning tools.

Skills

Python
C++
Bash Scripting
Docker
Linux
Network Security
CVE Triage
Dependency Scanning
RBAC
OAuth
TLS
FIPS
GitHub Actions
CI/CD
Security Testing
Functional Testing

Benefits

Flexible Work Schedule
Open Vacation Policies
Career Development Opportunities
Training On Leading-Edge Technologies
PPO Health Care Plans
401K With Company Match
Company Travel
Equity In The Company

Remote locations

Canada
United States

Remote locations (standardized)

Canada
United States

Visa sponsorship

Not detected in the job text

Keywords

ClickHouse
Python
C++
Bash
Docker
Linux
Network Security
CVE
Grype
Trivy
RBAC
OAuth
TLS
FIPS
GitHub Actions
CI/CD
DBMS
Cloud Services
Security Hardening
Open Source
SQL
REST API
Functional Testing
Regression Testing
Security Scanning

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