Job Board
LogoLogo

Get Jobs Tailored to Your Resume

Filtr uses AI to scan 1000+ jobs and finds postings that perfectly matches your resume

Baselayer Logo

Senior Backend Engineer

Baselayer

$147,000 - $192,000
Dec 9, 2025
San Francisco, CA, US
Apply Now

Baselayer is looking to solve the problem of verifying any business, automating KYB, and monitoring real-time risk for 2,200+ financial institutions

Requirements

  • 2-5 years of experience in backend development, working with Python and building APIs
  • Comfortable working with large-scale data and enjoy optimizing performance for high-volume systems.
  • Strong interest in AI/ML integration, particularly with LLMs, and are eager to learn about new technologies.
  • Prioritize security and compliance in backend systems, especially in regulated environments like KYC/KYB.
  • Keen eye for detail and take pride in writing clean, maintainable code while optimizing for performance.
  • Experience with RESTful APIs and data sources
  • Knowledge of knowledge graphs and LLMs

Responsibilities

  • API Development & Integration: Build and maintain RESTful APIs and integrate them with various data sources, ensuring scalability, high performance, and adaptability for autonomous agents in the GTM space.
  • Backend System Design: Architect and design core backend services that support KYC/KYB processes, leveraging knowledge graphs and LLMs for dynamic use cases.
  • Data Processing & Management: Develop and maintain robust data pipelines for identity data processing, focusing on scalability and performance when handling large-scale, high-performance data flows.
  • AI/ML Integration: Collaborate with AI/ML teams to integrate models, including reinforcement learning from human feedback (RLHF) and fine-tuning (e.g., LoRA), to improve LLMs for specific use cases within the identity space.
  • Platform Infrastructure: Build the infrastructure to support future AI/ML hires and projects, creating a scalable platform foundation for continued innovation.
  • Security & Compliance: Ensure backend systems meet industry standards for security, privacy, and compliance, particularly around KYC/KYB regulations.
  • Performance Optimization: Implement optimizations for large-scale data management, ensuring backend services can efficiently process identity data while maintaining reliability.

Other

  • Hybrid in SF. In office 3 days/week
  • Flexible PTO
  • Healthcare, 401K Match
  • Smart, genuine, ambitious team
  • Highly feedback-oriented. We believe in radical candor and using feedback to get to the next level.