Sr. Software Engineer (Backend)
Confirmed on the employer's own hiring board on Oct 22, 2026. First seen by Alion on Jul 15, 2026. Proofpoint scores B on the Alion truth index.
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
Corporate Overview:
Proofpoint is a leading cybersecurity company protecting organizations’ greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguardtheir data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most criticalrisks across email, the cloud, social media, and the web.
We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That’s why we’re a leader in next-generation cybersecurity.
Protection Starts with People. Proofpoint.
We’re looking for an engineer who loves building from the ground up - someone who enjoys turning ideas into working systems, cares deeply about quality, thrives in a fast-moving, collaborative environment. You’ll join as an early team member and help shapeboth the product and culture from day one
Responsibilities:
- Own problems end-to-end from design to deployment with a strong bias toward quality, automation, and continuous improvement.
- Introduce new techniques, architecture, and best practices to improve scalability,efficiency, and reliability.
- Build tooling and observability to monitor system health, identify bottlenecks, and proactively resolve instability.
- Balance rapid iteration on early-stage systems with long-term maintainability and architectural soundness.
- Contributeto a culture of engineering excellence, mentorship, and team-first collaboration.
Skills:
- 4+ years of professional software engineering experience, with a focus on backend / distributed systems.
- Experience building and operating production-grade systems atscale in cloud environments (e.g., AWS, Azure, GCP).
- Experience with large-scale distributed systems ideally written in Python, Go or Rust Experience with micro service design using API gateways, event streaming (kafka / kinesis) and container orchestration(Kubernetes / Docker)
- Experience with DevOps workflows and CI/CD pipelines (familiarity with CloudBees / Harness is a plus)
- Strong debugging, instrumentation, and observability skills across distributed systems.
- Proven ability to take ownership of complexproblems and learn quickly.
- Experience with AI-assisted development tools such coding assistants etc.
Bonus Experience:
- Building agentic AI applications leveraging LLM frameworks, MCP servers; AI engineering experience
- Startup experience - especially as afounder or early engineer who has built a product from scratch - is a strong plus.
Why Proofpoint?
At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us:
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 [email protected].
How to Apply
Interested? Submit your application along with any supporting information- we can’t wait to hear from you!