✦ Luna Orbit — AI & Machine Learning

Senior Software Engineer, Observability

at SoFi

📍 CA - San Francisco; WA - Seattle; UT - Cottonwood Heights Remote Posted March 08, 2026
Type Full-Time
Experience senior
Exp. Years 4+ years
Education Not specified
Category AI & Machine Learning

This role involves leading the development of advanced AI systems, focusing on large language models, model optimization, and operational AI infrastructure within a fintech environment.

  • Define AI architecture
  • Develop LLM orchestration
  • Optimize models
  • Implement AI observability
  • Mentor AI engineers

The position requires expertise in AI/ML, LLMs, LangGraph, model optimization, distributed systems, and AI observability tools, working on scalable, production-level AI platforms.

The ideal candidate is a senior AI engineer with extensive experience in large language models, AI infrastructure, and distributed systems. They should have expertise in LangGraph, model optimization, and operational AI deployment, with leadership skills to mentor teams.

Deep expertise in AI and LLMsExperience with LangGraphModel optimization techniquesAI operationalizationDistributed system development
AI observability toolsTracing and testing frameworksCloud deployment experienceAI infrastructure
LangGraphAI model serving platformsTracing and testing frameworksCloud platforms
AIArtificial IntelligenceLarge Language ModelsLLMLangGraphModel OptimizationPEFTParameter-efficient Fine-tuningModel ServingAI ObservabilityDistributed Agent MemoryTracingTesting frameworks
AIArtificial IntelligenceLLMLarge Language ModelsLangGraphDistributed Agent MemoryModel OptimizationPEFTParameter-efficient Fine-tuningModel ServingAI ObservabilityTracingTesting frameworks
leadershipmentoringstrategic thinkingproblem-solvingcollaboration
Industry Fintech
Job Function Leading AI system development and deployment
AI EngineerArtificial IntelligenceLarge Language ModelsLLMLangGraphModel OptimizationPEFTParameter-efficient Fine-tuningModel ServingAI ObservabilityDistributed Agent MemoryTracingTesting frameworksAI operationalizationDeep learningAI

Lack of experience with LLMs or AI infrastructure, No experience with LangGraph, Insufficient knowledge of model optimization techniques, Unwillingness to work remotely

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