Principal Software Engineer (Cloud)

Reposted 5 Days Ago
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Boston, MA, USA
Hybrid
Expert/Leader
Artificial Intelligence • Software • Cybersecurity
The Agentic Security Platform.
The Role
The Principal Software Engineer will lead the design and development of scalable AI-native cybersecurity systems, drive technical initiatives, and mentor engineers while collaborating closely with cross-functional teams.
Summary Generated by Built In

We are seeking a Principal Software Engineer (Cloud) to help define and build the technical foundation of our AI-native cybersecurity platform.

As a Principal Engineer, you will lead the design and development of highly scalable, intelligent systems that power the next generation of security operations. You will operate across the stack driving designs, shaping engineering strategy, leading complex technical initiatives from concept to production, and mentoring engineers across the organization. You’ll partner closely with engineering, product, design, AI, and security teams to solve deeply complex technical challenges while helping establish the standards, practices, and architecture that will scale with the company.

This role is ideal for an engineer who thrives in fast-moving environments, enjoys building 0→1 systems, and wants to have outsized influence on both technology and engineering culture.

Responsibilities:

  • Lead designs of scalable, backend systems powering our AI-native cybersecurity platform.

  • Drive complex technical initiatives from 0→1, including system design, technical strategy, implementation, and operationalization.

  • Partner closely with product, AI, security, and platform teams to translate ambiguous business and customer problems into elegant technical solutions.

  • Lead critical design discussions and provide technical leadership across multiple engineering domains and initiatives.

  • Identify and proactively address technical risks, scalability bottlenecks, and operational challenges before they impact the business.

  • Improve system observability, reliability, testing, deployment workflows, and operational excellence across the engineering organization.

  • Help shape the engineering culture by promoting high standards for execution, craftsmanship, collaboration, and ownership.

  • Mentor and develop engineers through technical guidance, design reviews, and hands-on collaboration.

  • Work effectively in a rapidly evolving environment where priorities and technical challenges evolve quickly.

Requirements:

  • 15+ years of professional software engineering experience building and operating production-grade distributed systems.

  • Proven experience leading the design and delivery of large-scale, highly available cloud-native systems.

  • Strong system design expertise, including distributed systems, APIs, event-driven architectures, data-intensive applications, and infrastructure scalability.

  • Demonstrated experience leading complex technical projects with significant ambiguity and cross-functional coordination.

  • Excellent proficiency in one or more backend programming languages such as Rust, Python, TypeScript or Go.

  • Expertise and proven track record of building systems on modern cloud platforms such as AWS, GCP, or Azure.

  • Strong communication skills with the ability to explain complex technical concepts clearly to both technical and non-technical audiences.

  • Comfortable and curious working with AI-assisted development tools such as Claude Code, Codex or Cursor.

Preferred Qualifications:

  • Experience building AI-native products or integrating LLM/agent-based systems into production environments.

  • Background in cybersecurity, security operations, or high-sensitivity infrastructure environments.

  • Experience designing multi-tenant SaaS platforms at scale.

  • Familiarity with real-time data pipelines, streaming systems, and large-scale telemetry processing.

  • Experience working in high-growth startup environments.

  • Track record of building and scaling engineering teams, processes, and technical culture.

Skills Required

  • 15+ years of professional software engineering experience
  • Proven experience leading design and delivery of large-scale cloud-native systems
  • Strong system design expertise including distributed systems and infrastructure scalability
  • Excellent proficiency in backend programming languages such as Rust, Python, TypeScript or Go
  • Expertise in building systems on modern cloud platforms such as AWS, GCP or Azure

7AI Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about 7AI and has not been reviewed or approved by 7AI.

  • Fair & Transparent Compensation Employer-provided salary ranges appear on multiple postings, indicating visible pay bands. Pay is positioned as competitive to attract talent in the fast-growing AI/security space.
  • Healthcare Strength Core medical, dental, and vision coverage is explicitly listed as part of the package. This establishes a solid baseline of health benefits for an early-stage startup.
  • Equity Value & Accessibility Equity or stock options are included alongside cash compensation. Ownership participation is presented as a meaningful component of total rewards.

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The Company
HQ: Boston, Massachusetts
100 Employees
Year Founded: 2024

What We Do

7AI is the first agentic security platform that harnesses the speed, swarming capabilities, and power of AI to finally give defenders the advantage over evolving threats. The 7AI Agentic Security Platform makes decisions and acts autonomously to achieve specific cybersecurity goals without human intervention. Founded by world-renowned cybersecurity experts Lior Div and Yonatan Striem Amit and backed by Greylock Partners, Index Ventures, and Spark Capital, 7AI is leading the agentic security revolution.

Why Work With Us

7AI has a very builder-oriented culture - high ownership, fast-moving, and low ego. People care more about solving hard problems well than hierarchy or politics. It’s collaborative, thoughtful, and grounded, with a strong focus on substance over hype.

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