Sr. Full Stack Engineer, Threat Intelligence

Proofpoint; Paris; On-site; EUR 112,000 - 164,000; Full time

Benefits offered by this job

Competitive compensation

Comprehensive benefits

Flexible work environment

Wellness days

Job summary

Proofpoint is seeking a hands-on software engineer to own the full development lifecycle, with autonomy across backend and data infrastructure to support Threat Intelligence.

You will build full-stack applications and manage large PostgreSQL databases, while operating AWS services. Collaborate with threat intelligence stakeholders to deliver reliable, scalable software and robust observability.

Qualifications

• Substantial Python experience in production or enterprise environments.
• PostgreSQL experience is required; equivalent depth in another relational DB accepted.
• Hands-on AWS infrastructure management including EC2, RDS, VPCs, and related services.

Responsibilities

• Build and maintain full-stack applications and backend services using Python, TypeScript, React, and Go.
• Own and manage large SQL databases backing applications and services used by the Threat Intelligence team.
• Proactively identify problems before they become incidents; improve runbooks, dashboards, alerts, and automation.

Skills

Python

PostgreSQL

AWS

Tools

FastAPI

ClickHouse

Job description

About Us

Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people.

About Us

Proofpoint is a global leader in human-and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people.

How We Work

At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values.

• Bold in how we dream and innovate
• Responsive to feedback, challenges and opportunities
• Accountable for results and best in class outcomes
• Visionary in future focused problem-solving
• Exceptional in execution and impact

The Role

This is a hands-on, high-autonomy role spanning the full development lifecycle. The primary focus is software development, with additional responsibility for database management and infrastructure as needed to support the team's systems.

Your day-to-day

• Build and maintain full-stack applications and backend services using Python, TypeScript, React, and Go.
• Own and manage large SQL databases backing applications and services used by the Threat Intelligence team, including schema design, query optimization, migrations, and operational health.
• Proactively identify problems before they become incidents Seek out reliability, performance, and correctness issues. Improve runbooks, dashboards, alert quality, and automation.
• Collaborate closely with other engineering teams and threat intelligence stakeholders to deliver outcomes that strengthen the team's ability to produce actionable intelligence.
• Help manage and maintain AWS infrastructure supporting the team's services VPC configuration, ECS, Aurora/RDS, EC2, Networking, SNS/SQS, CDK
• Adhere to best practices when it comes to CI/CD, observability, and monitoring GitHub Actions, CloudWatch/Grafana, Docker

What You Bring To The Team

• Substantive Python experience in production or enterprise environments — we're looking for engineers who have designed, built, and maintained Python systems with real operational accountability, not solely scripting or automation.
• PostgreSQL experience is required. Candidates without direct PostgreSQL experience will be considered where they can demonstrate equivalent depth with a comparable relational database system.
• Hands-on AWS infrastructure management experience, including provisioning and operating resources such as EC2 instances, RDS databases, VPCs, and related services.

Preferred Qualifications

• Experience with FastAPI.
• Experience with ClickHouse or other columnar/analytical datastores.
• Experience working in a security vendor environment, with exposure to large volumes of raw telemetry.
• Understanding of knowledge graphs and graph databases.
• Comfort using AI-assisted tooling thoughtfully — for example, to accelerate implementation backed by sound planning and detailed design — paired with strong engineering judgment about when and how to apply it.

Nice to Have

• Experience managing, maintaining, and tuning PostgreSQL databases at scale.
• Familiarity with building modern CLI/TUI tooling.
• Familiarity working with Agentic/MCP technologies.

Why Proofpoint?

• Competitive compensation
• Comprehensive benefits
• Career success on your terms
• Flexible work environment
• Annual wellness and community outreach days
• Always on recognition for your contributions
• Global collaboration and networking opportunities

Our Culture

Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone.

We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to [e-mail].

Base Pay Ranges

SF Bay Area, New York City Metro Area

Base Pay Range 166,500.00 - 244,200.00 USD

California (excludes SF Bay Area), Colorado, Connecticut, Illinois, Washington DC Metro, Maryland, Massachusetts, New Jersey, Texas, Washington, Virginia, and Alaska

Base Pay Range 136,200.00 - 199,760.00 USD

All other cities and states excluding those listed above

Base Pay Range 124,100.00 - 182,050.00 USD