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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
…breached, your data remains unusable if it falls into the wrong…
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
At least 6 years of hands-on development experience preferably using Java, Python, Go or other object-oriented programming languages
Added 2 months ago
M
Senior Software Engineer - Brokerage Platform
moomoo
Remote, Canada
- Full-time
- Remote
This role is ideal for a strong hands-on engineer who can not only build high-quality software, but also design scalable system architectures, solve complex engineering problems, and deeply…
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
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 2 months ago
CP
Databricks Architect | Canada
Cuesta Partners
Remote, Canada
- $180,000 to $225,000 CAD / year
- Full-time
- Remote
…engineering solutions in a client-facing environment. This is a hands-on leadership role where you will work directly with clients - including C-level stakeholders - to design, build, and…
Added 2 months ago
L
Director of Engineering
Lazer
Remote, Canada
- Full-time
- Remote
Still hands-on technically: you can read an architecture, spot the flaw, and propose a better approach.
Added 2 months ago
ML Engineer
Tigera
Vancouver, BC
Hands-on experience using LLMs for applied tasks beyond chatbots - function calling, retrieval-augmented generation, prompt engineering, fine-tuning, evaluation
Added 2 months ago
F
Expert Observability Engineer
Finastra
Mississauga, ON
- Full-time
We are seeking a highly skilled and experienced Observability Engineer to lead and evolve our monitoring and observability capabilities across complex, hybrid environments. This role…
Added 1 month ago
Senior GCP Data Engineer
Capgemini
Mississauga, ON
Proficiency in SQL, Python, Java/Scala, and distributed systems (Spark, Beam). GCP Expertise: Hands-on with BigQuery, Dataflow, Dataproc, Pub/Sub, Composer (Airflow), and Terraform. DevOps:…
Added 1 month ago
GS
Senior Software Engineer
Guidewire Software
Mississauga, ON · Toronto, ON
- Full-time
Hands-on experience with JavaScript or TypeScript on the front end; experience with Python is a plus for tooling, automation, or data-related tasks.
Added 3 months ago
E
Senior Backend Engineer, Entities
EvenUp
Toronto, ON
- $184,728 to $249,926 CAD / year
- Full-time
This role operates at the intersection of backend engineering, LLM integration, and hands-on experimentation. You will collaborate with a multidisciplinary team of Data Scientists,…
Added 3 months ago
P
Inference Optimization Engineer
PolarGrid
Remote, Canada
- Full-time
- Remote
PolarGrid is building the infrastructure layer for real-time AI inference. We're looking for an Inference Optimization Engineer to squeeze every bit of performance out of our stack. You'll…
Added 3 months ago
ES
Machine Learning Engineer - EA Sports FC
EA SPORTS
Vancouver, BC
- Full-time
Reporting to the Senior Data Science Manager, we are seeking a full-stack Machine Learning Engineer to operationalize, deploy, and scale high-impact machine learning solutions and…
Added 3 months ago
J
Forward Deployed Engineer, Supply Chain
Jetson
Kitchener, ON
- Full-time
A builder who ships. Strong engineering fundamentals, good judgment, and a drive to get things into people's hands. You're fluent in TypeScript, Python, or other high-level language,…
Added 3 months ago
J
Forward Deployed Engineer, Finance
Jetson
North Vancouver, BC
- Full-time
A builder who ships. Strong engineering fundamentals, good judgment, and a drive to get things into people's hands. You're fluent in TypeScript, Python, or other high-level language,…
Added 3 months ago
J
Forward Deployed Engineer, Supply Chain
Jetson
North Vancouver, BC
- Full-time
A builder who ships. Strong engineering fundamentals, good judgment, and a drive to get things into people's hands. You're fluent in TypeScript, Python, or other high-level language,…
Added 2 months ago
TT
AI/ML Engineer
TC Transcontinental
Mississauga, ON
- Full-time
We are looking for an AI/ML Engineer to work on building a multi-tenant, AI-driven promotional content platform for our customers.
Added 1 month ago
Lead Developer, Tools
2K
Montreal, QC
A Lead Developer focused on pipeline products and data systems. You are a multi-functional engineer who loves building software across all tech stacks. You might develop a data warehouse…
Added 2 months ago
R
Senior Machine Learning Engineer
Remitly
Burnaby, BC
- Full-time
As a Senior Machine Learning Engineer in Remitly's Core AI/ML team, you'll work at the heart of our AI strategy. The Core AI/ML team is responsible for building the foundational machine…
Added 2 months ago
Senior Application Security Engineer
TripleLift
Toronto, ON
The Senior Application Security Engineer plays a critical role in driving secure software development and application security maturity within TripleLift's Engineering and Security…

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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