Senior Back-end Engineer Scalable Data Systems

Location: Montreal

Job Description

Job Description

Join our Vulnerability Management Platform team as a Senior Back-end Engineer Scalable Data Systems, where you’ll : – Lead the design and development of high-throughput, data-intensive services that power critical security insights.

-You’ll own greenfield features from architecture to deployment, mentor teammates, and help shape the future of our platform.

We’re looking for a proactive engineer who thrives in fast-paced environments, takes full ownership of their work, and is passionate about building scalable systems that process billions of events daily.

What You’ll Do:

– Architect and implement high-throughput ETL pipelines to onboard new datasets and enrich vulnerability context.
– Design and build scalable, maintainable RESTful APIs using FastAPI, SQLModel, and Redis to expose new data points to the UI.
– Optimize API performance to meet strict SLAs (e.g., sub-second response times).
– Automate repetitive tasks to reduce engineering toil and improve operational efficiency.
– Collaborate with Dev Ops to deploy and scale services in Open Shift/Kubernetes environments.
– Monitor and analyze API usage, latency, and error rates to ensure reliability and performance.
– Define integration patterns and data flows between system components.
– Conduct design and code reviews, and mentor junior developers on best practices for data pipeline and API development.
– Establish and uphold technical standards and architectural guidelines.

What We’re Looking For:

– 5+ years of experience building high-throughput, data-intensive applications.
– Proven expertise in Python and relational databases.
– Strong understanding of distributed systems, caching strategies, and microservices architecture.
– Experience designing systems that handle billions of events and support hundreds of thousands of users.
– Deep knowledge of data modeling, schema design, and query optimization.
– Familiarity with containerized environments (Docker, Kubernetes/Open Shift).
– Strong analytical and problem-solving skills. – Excellent communication and documentation abilities.
– A proactive, independent mindset with a strong sense of ownership and reliability.

Bonus Points:

– Experience in vulnerability management or cybersecurity domains.
– Prior success mentoring engineers and leading architectural decisions.