Sr. Software Engineer at Proofpoint

Sunnyvale, California, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

Cybersecurity, TechnologyIndustries

Requirements

7+ years of professional software engineering experience, with a focus on backend / distributed systems
Experience building and operating production-grade systems at scale 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 complex problems 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 a founder or early engineer who has built a product from scratch — is a strong plus

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
Contribute to a culture of engineering excellence, mentorship, and team-first collaboration

Skills

Software Engineering

Cybersecurity

Cloud

Email Security

System Architecture

Collaboration Tools

Proofpoint

Cybersecurity solutions for email and digital communication

About Proofpoint

Proofpoint specializes in cybersecurity, focusing on protecting organizations from advanced threats and compliance risks. The company offers a range of solutions that secure email, social media, and other digital communication channels against cyber threats like phishing, malware, and ransomware. Its products work by utilizing advanced technologies, including machine learning and artificial intelligence, to detect and respond to threats in real-time. Proofpoint differentiates itself from competitors by providing user-friendly solutions that easily integrate into existing IT systems, along with subscription-based services that allow clients to select service tiers tailored to their needs. The company's goal is to enhance the cybersecurity defenses of various organizations, from large enterprises to small businesses, ensuring their digital communications remain secure.

Sunnyvale, CaliforniaHeadquarters

2002Year Founded

$55.4MTotal Funding

IPOCompany Stage

Cybersecurity, AI & Machine LearningIndustries

1,001-5,000Employees

Benefits

Health, dental, & vision

Employer-paid life, disability & employee assistance programs

Unlimited PTO

401K match

Remote work option

Risks

Integration challenges with Tessian and Illusive could disrupt operations.

Regulatory scrutiny may delay acquisition closings, affecting strategic plans.

Reliance on AI poses risks if technologies fail to adapt to new threats.

Differentiation

Proofpoint leverages AI and machine learning for real-time threat detection.

The company offers a comprehensive suite of cybersecurity solutions for digital communication.

Proofpoint's subscription-based model ensures recurring revenue and flexible service tiers.

Upsides

Acquisitions of Tessian and Illusive enhance AI-driven threat protection capabilities.

Growing demand for ITDR solutions boosts Proofpoint's market position.

Increased focus on AI-driven email security solutions aligns with industry trends.

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