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Backend Software Engineer - Vertical AI Platform (Series E)

Durlston Partners

San Mateo · On-site Full-time Mid Level 3w ago

About the role

ABOUT THE COMPANY

  • Join a high-growth, Series E AI company focused on developing operational AI software for large and complex service industries.
  • Their platform utilizes conversational and workflow-driven AI to automate front-office and operational processes across various channels - including voice, messaging, and web - on a large scale.
  • With a strong foothold in a major US industry and rapid expansion into another highly regulated sector, this company is dedicated to helping organizations streamline operations, enhance responsiveness, and significantly reduce administrative workload.
  • Supported by leading global investors, they are aggressively scaling their product and engineering teams.

THE ROLE

  • We are seeking Backend Software Engineers with 2+ years of experience to aid in building and scaling the core infrastructure of high-volume, real-world AI systems.
  • You'll be responsible for powering millions of daily interactions by designing APIs, data pipelines, and integration layers that form the backbone of the platform.
  • This role offers a high-ownership experience with immediate exposure to product, AI, and infrastructure challenges.

WHAT WE'RE LOOKING FOR

  • At least 2 years of relevant software engineering experience.
  • A degree in Computer Science, Mathematics, Physics, or a related STEM field.
  • Strong backend development skills in Python, Java, C#, or C++.
  • A solid understanding of OOP and system design principles.
  • Bonus: experience with AI/ML systems or high-throughput production environments.

WHY JOIN

  • Work on impactful, production-grade AI systems at scale.
  • Engage with complex, regulated industries and make a meaningful difference.
  • Enjoy a robust growth trajectory supported by substantial investments.
  • Experience a culture of high ownership and fast-paced engineering.
  • Receive competitive compensation and equity options.

For many Americans, housing and healthcare account for around 40% of household expenses. These systems are often intricate, outdated, and challenging to navigate. This company is addressing these issues with agentic AI. If you are a backend engineer looking for meaningful work at scale, we invite you to get in touch.

Skills

C#C++JavaOOPPython

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