Source Job

Global 5w PTO

  • Define and drive the technical vision of XTM One, an AI platform for threat-informed defense.
  • Own the platform architecture including agent runtime, API design, and multitenancy for both SaaS and on-premises deployments.
  • Set engineering standards for code quality, observability, and reliability of AI workloads.

TypeScript Python System Design LLM/AI Distributed Systems

20 jobs similar to Principal Software Engineer

Jobs ranked by similarity.

Poland

  • Design and drive the architecture for key AI platform components, ensuring scalability, reliability, and security.
  • Own complex initiatives from architecture through production, turning ambiguous goals into clear technical requirements.
  • Build systems that unify data and allow AI agents to access sensitive information with strict privacy and security guarantees.

Aura and Qoria are on a mission to create a safer internet for everyone by combining identity theft protection with digital wellbeing tools. The combined company protects over 9 million families and 32,000 schools across 100+ countries, driven by a global team of over 1,000 people.

North America

  • Architect detection engineering and incident response strategy across cloud, identity, endpoints, and AI/ML pipelines.
  • Design AI-assisted SecOps workflows that automate triage, enrichment, and containment using LLMs and custom tooling.
  • Lead investigations, purple-team testing, and threat intelligence to defend against AI-driven threats.

Fullscript is a health technology company that empowers practitioners to deliver better care through clinical insights, analytics, education, and supplements. With over 125,000 practitioners and 10 million patients, it fosters a people-first, collaborative culture and flexible remote-friendly work.

North America Canada Unlimited PTO

  • Own the architecture of our multi-system security data platform, from ingestion to access, including detection, investigation, hunting, and risk analytics.
  • Build the data foundation for applied AI in security operations, including data and feature pipelines, model evaluation, and governed data access for AI agents.
  • Set engineering standards for source control, CI/CD, testing, and observability, and mentor engineers through design and code review.

ServiceNow is the AI control tower for business reinvention, helping 85% of the Fortune 500 work smarter, faster, and better. We build an AI-native culture where technology and talent are unstoppable together, with a focus on meaningful work.

Canada

  • Act as the technical bridge between enterprise customers and core engineering, designing APIs, SDKs, and workflows.
  • Architect production-ready AI infrastructure for LLM inference, RAG pipelines, and GPU-accelerated workloads.
  • Write production-grade Go, Python, and TypeScript while shaping product strategy and mentoring engineers.

The hiring partner builds modern developer platforms and AI infrastructure that help enterprises ship AI-native applications. The team culture emphasizes hands-on technical excellence and collaboration; company size is not disclosed in the posting.

India

  • Deploy and operationalize AI security solutions in customer environments, translating requirements into scalable architectures.
  • Design integrations across AI platforms, model registries, and security tooling to secure AI systems.
  • Lead cross-functional collaboration with AI engineering, security, and data teams to drive production-ready implementations.

AHEAD builds platforms for digital business by integrating cloud infrastructure, automation, and software delivery to help enterprises with digital transformation. They promote an inclusive and diverse culture with a multi-million-dollar lab, emphasizing cross-department training and development.

$195,000–$235,000/yr
Global

  • Build and own the agent execution runtime, tool layer, and connector framework for NodeZero's defensive agents.
  • Design and implement the safe-change pipeline with approval gates, rollback, and immutable audit trails.
  • Develop the operator-facing front end in React/TypeScript and GraphQL APIs against long-running state.

Horizon3 is a cybersecurity company delivering the NodeZero autonomous pentesting platform to identify exploitable attack vectors. It is a fast-growing, fully remote team of engineers and operators committed to a culture of respect, collaboration, ownership, and results.

Global Unlimited PTO

  • Design, develop, and deploy AI-powered tools, agents, and automation that streamline workflows across the organization.
  • Connect LLMs and AI applications with internal systems, APIs, and enterprise tools to enable intelligent operations.
  • Own the infrastructure, security, monitoring, and reliability needed to scale AI solutions in production.

Phantom is building a self-custody crypto wallet and trading app that provides access to global markets, including perpetuals, prediction markets, tokenized assets, stablecoins and memes. The company is around 180 people, fully remote, and backed by a $150M Series C from a16z, Sequoia Capital and Paradigm.

$238,000–$280,000/yr
US

  • Define the long-term technical vision for AI/LLM offense and drive its integration into NodeZero's autonomous pentesting platform.
  • Lead research and productization of attacks on LLM applications, agentic systems, and AI infrastructure.
  • Partner with senior leadership to shape strategy, standards, and execution across engineering teams.

Horizon3 is a fast-growing, remote cybersecurity company building NodeZero, an autonomous pentesting platform. The team is a fusion of Special Operations cyber operators and startup engineers, with a culture of respect, collaboration, and results.

US

  • Lead technical initiatives to strengthen engineering security across Aiwyn's SaaS platform, CI/CD pipelines, and software delivery systems.
  • Own vulnerability management, threat modeling, and product security, partnering with engineering teams to build secure-by-default practices.
  • Drive supply chain security, AI security, and security strategy to make security a shared responsibility across engineering.

Aiwyn builds the first complete platform for modern accounting firms, replacing legacy practice management systems with software firms can trust. Backed by top-tier investors, it works with the majority of the Top 500 accounting firms and fosters a culture of ownership, trust, and relentless innovation.

Global

  • Lead technical discovery and turn ambiguous cyber needs into a tractable plan with clear architecture and acceptance criteria.
  • Build and integrate AI-enabled security workflows using production software, APIs, telemetry, and security systems.
  • Deploy, operate, and evaluate AI workflows in customer environments, ensuring security, maintainability, and handover.

Eliza is a technology services company and Advanced-tier OpenAI partner that helps organizations build and deploy AI solutions, including generative AI, custom LLM integrations, predictive analytics, and intelligent automation. The company has a collaborative, mission-driven team focused on real-world AI impact and values adaptability, ownership, and hands-on client collaboration.

$170,000–$190,000/yr
US Unlimited PTO

  • Work across strategic customer accounts to make Dropzone more trusted and embedded in daily security operations.
  • Partner with TAMs, Product, and Engineering to review investigations, tune configurations, and refine response workflows.
  • Translate customer SOC practices into Dropzone behavior, measure impact, and build repeatable playbooks.

Dropzone AI is a venture-backed cybersecurity company using Gen AI to offload repetitive work for security analysts and transform cyber defense. The team has deep experience across cybersecurity, AI/ML, and SaaS product development, with an early-stage, high-ownership remote culture.

$220,000–$260,000/yr
US Unlimited PTO

  • Build labeled evaluations from real agent activity and publish monitor precision and recall.
  • Run monitors across customer fleets and identify unread events.
  • Turn patterns into proposed policies and refinements for security engineers.

Sondera develops a policy engine for AI agents that enforces natural-language rules to ensure agents act as intended. The team includes veterans from top security and AI companies and is backed by leading venture firms, emphasizing a remote, writing-intensive culture.

India

  • Deliver end-to-end threat intelligence enablement and technical onboarding, optimizing customer digital footprints and alert rules for noise-free monitoring.
  • Develop custom automation scripts, AI agents, and SOAR playbooks to streamline security workflows and enhance platform adoption.
  • Drive customer retention through proactive engagement, churn risk analysis, and adaptive threat reporting.

SOCRadar provides Extended Threat Intelligence (XTI) solutions that help organizations proactively secure their attack surfaces and gain visibility into surface, deep, and dark web threats. The company is focused on innovation, global expansion, and delivering automation-enabled security to enterprises worldwide.

US

  • Partner directly with clients to turn ambiguous business challenges into clear technical plans and prototypes.
  • Build and deploy AI-enabled applications, agentic workflows, APIs, data pipelines, and full-stack products.
  • Engineer reliable agent harnesses, evaluation frameworks, and safeguards to ensure production-ready AI systems.

TribalScale is a digital innovation firm that partners with clients to build transformative digital products, modernize technology platforms, and apply AI to meaningful business challenges. The team values curiosity, ownership, practical innovation, and lives by principles of meritocracy, empowerment, and transparency.

$109,500–$146,000/yr
Canada

  • Design and deliver automation workflows that help security analysts detect, investigate, and remediate threats faster.
  • Architect deterministic and agentic automation pipelines integrating services, scripting, orchestration, and security data enrichment.
  • Provide technical leadership, mentor engineers, and improve service reliability through monitoring, observability, and on-call support.

They build and operate Falcon Complete, a managed detection and response platform that protects organizations from cyber threats. They are a globally distributed, remote-first team focused on collaboration, innovation, and engineering excellence.

UK

  • Define and own technical architecture for client systems, using AI as a force multiplier.
  • Mentor engineers and direct reviews, raising the whole team's output and AI fluency.
  • Balance commercial judgement and hands-on delivery across the full stack.

CreateFuture is a UK digital consultancy building digital products and services for major organisations like PayPal and Adidas. With over 500 people, it has a supportive, friendly culture and is repeatedly recognised as a Best Workplace in the UK.

$120,500–$120,500/yr
US Unlimited PTO

  • Build and operate AI security controls across Cloudflare and Palo Alto Networks platforms.
  • Own engineering for WAF, API Shield, bot management, segmentation, and automation via Terraform and Python.
  • Partner with security, architecture, and compliance teams to secure AI applications and agent access.

HealthEquity empowers healthcare consumers by providing health savings accounts and financial wellness solutions. The company values innovation and inclusion, with a mission to make HSAs as widespread as retirement accounts by 2030.

$275,000–$300,000/yr
US Europe

  • Set technical direction for production agent systems, including orchestration, tool use, memory management, and failure recovery.
  • Build and operate shared foundations: evaluation frameworks, observability, execution controls, and model access with routing and failover.
  • Work with security and platform teams to ensure scoped permissions, data isolation, audit trails, and safe execution of tools and code.

Cobalt runs AI agents in production that test real customer applications, operating at the forefront of the pentesting industry. The company is rapidly expanding, offering a collaborative culture with mentorship, competitive compensation, and a focus on growth.

$136,500–$227,500/yr
US

  • Lead technical discovery, solution design, and proof-of-value engagements for MSSP partners and strategic customers.
  • Act as a global subject matter expert on AI security, driving demonstrations, workshops, and evaluation of AI defense solutions.
  • Develop reusable technical assets, mentor sales engineers, and represent Sophos at partner events and industry forums.

Sophos is a global cybersecurity company providing innovative security solutions, including managed threat detection, endpoint protection, and AI-powered defenses. As a remote-first organization, Sophos values collaboration across locations and is committed to diversity and equal opportunity.

Americas

  • Own technical security controls for AI usage, including agent identity, tool access, guardrails, and logging.
  • Partner with AI Enablement, Engineering, DevOps, GRC, and Security to integrate security by design.
  • Build AI-powered security tooling and lead AI-specific incident response.

Alpaca is a US-headquartered global leader in agent-first brokerage infrastructure, serving financial institutions across 40 countries. With 400+ distributed team members and $400M in funding, we are a diverse, remote-first team opening financial services to everyone.