Applied AI Engineer

NeoSigma

$130K — $180K *
Enterprise Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Strong experience with large-scale LLM-powered or agentic systems in production environments
  • Strong research taste in evaluation design, post-training methods, and model improvement workflows
  • Desire to own problems end-to-end and deliver measurable outcomes
  • Ability to work directly with customers
  • Obsession with detail, code quality, and clean, modular system design
  • Strong ownership mentality and ability to thrive in a fast-paced startup environment
  • Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Responsibilities

  • Design and implement LLM-powered systems and scalable agentic workflows in production
  • Build robust data processing pipelines for evaluation datasets and feedback loops
  • Work closely with customers to understand their workflows and deliver impactful products
  • Apply novel research ideas to advance self-improving AI systems
  • Contribute to technical blogs and research implementations to strengthen the technical foundation

Benefits

  • Competitive salary plus meaningful equity package
  • Comprehensive medical benefits and generous PTO
  • Flexible work arrangements
  • Direct impact on company direction and technical decisions
  • High ownership and opportunity to make a career-defining impact
  • Visa sponsorship
Full Job Description
What you'll do:

  • Design and implement LLM-powered systems and scalable agentic workflows in production.
  • Build robust data processing pipelines for evaluation datasets, and feedback loops.
  • Work closely with customers to deeply understand their workflows and deliver products that meaningfully impact their systems
  • Apply novel research ideas and build production systems that advance the frontier of self-improving AI systems
  • Contribute to technical blogs and research implementations that strengthen our technical foundation

What we look for:

  • Strong experience building large-scale LLM-powered or agentic systems in production environments
  • Strong research taste, especially in evaluation design, post-training methods, and model improvement workflows
  • Desire to own problems end-to-end and deliver measurable outcomes
  • Ability to work directly with customers
  • Obsession with detail, code quality, and clean, modular system design
  • Strong ownership mentality and ability to thrive in a fast-paced startup environment
  • Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Benefits and perks

  • Competitive salary plus meaningful equity package
  • Comprehensive medical benefits and generous PTO
  • Flexible work arrangements
  • Direct impact on company direction and technical decisions
  • High ownership and the opportunity to make a career-defining impact
  • Visa sponsorship


As a founding member, you'll help define the technical foundation of NeoSigma. Your scope will grow with the company, from owning core systems end-to-end to shaping architecture, hiring, and engineering culture. This role has a natural path toward technical leadership or engineering management as the team scales.

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