Senior AI Engineer

Propio Language Services

$130K — $155K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Master's degree in Engineering or equivalent work experience.
  • 7+ years of hands-on full-stack software engineering experience in AI/ML backend systems.
  • 3+ years of experience with production-grade modern AI systems, especially real-time speech AI.
  • Experience with cloud platforms like AWS and CI/CD tools.
  • Proficiency in real-time audio processing technologies like OpenAI or Whisper.
  • Experience in building complex agent orchestration systems using frameworks like LangChain.
  • Familiarity with AI safety regulations in healthcare, legal, or regulated environments.

Responsibilities

  • Own end-to-end architecture and development of enterprise-grade AI systems.
  • Prototype and deploy real-time AI applications for latency-sensitive experiences.
  • Lead the development of AI capabilities including agent orchestration and reasoning workflows.
  • Evaluate and select appropriate models and architectures based on tradeoffs.
  • Stay updated with emerging AI research and rapidly prototype new approaches.
  • Mentor engineers and conduct design and code reviews to influence team direction.

Benefits

  • Hybrid work model allowing for flexibility.
  • Opportunity to work on cutting-edge AI technologies and systems.
  • Mentorship and professional development opportunities in a hands-on technical role.
Full Job Description
Job Type

Full-time

Description

We are looking for a highly skilled and hands-on Senior AI Engineer to lead the design, development, and productionization of advanced AI systems. This role is for someone who can operate as both a technical leader and a strong individual contributor. You will own complex AI initiatives end-to-end-from problem definition, research, experimentation, and architecture through implementation, evaluation, deployment, and production optimization.

This is not a people-management-only or project-coordination role. You are expected to remain deeply hands-on, write production code, review critical implementations, investigate difficult technical problems, and lead by building.

Key Responsibilities:
  • Own the architecture, development, and delivery of enterprise-grade AI systems from concept to production, including LLM, generative AI, agentic, multimodal, speech AI, and machine learning systems.
  • Prototype, build, and deploy real-time AI applications and infrastructure for speech, voice agents, LLM-powered workflows, and other latency-sensitive AI experiences.
  • Lead the development of AI capabilities including agent orchestration, tool calling, RAG, structured generation, memory, reasoning workflows, guardrails, and evaluation systems.
  • Evaluate and select models, architectures, frameworks, and technologies based on measurable tradeoffs across quality, latency, reliability, scalability, and cost.
  • Stay current with emerging AI research and industry trends, Rapidly prototype new AI approaches and convert successful experiments into reliable, scalable, and maintainable production systems.
  • Demonstrated ability to mentor engineers, conduct high-quality design and code reviews, and influence technical direction across a team.


Requirements

Qualifications:
  • Master's degree in Engineering, preferably in Computer Science, Statistics, Data Science, or a related field, or equivalent relevant work experience.
  • 7+ years of hands-on full-stack software engineering experience, with significant experience building production-grade AI/ML backend systems and strong proficiency in Python.
  • 3+ years of experience building production-grade modern AI systems, particularly real-time speech AI, speech-to-text, text-to-speech, voice agents, conversational AI, multimodal systems, or agentic systems.
  • Experience building and operating production systems on cloud platforms in AWS, including production-grade CI/CD and infrastructure-as-code tools such as AWS CDK.
  • Experience with real-time speech AI systems, real-time audio processing, or other latency-sensitive applications, using technologies or platforms such as OpenAI, Deepgram, Whisper, Hugging Face Transformers, or similar tools.
  • Experience building multi-agent or complex agent orchestration systems using LangChain or similar frameworks.
  • Experience working in healthcare, legal, or other regulated environments, including familiarity with AI safety, HIPAA, PHI, and Section 1557 requirements.
  • Prior experience with multilingual AI systems or low-resource language challenges is a plus.


This may not be the right role for you if:
  • You prefer primarily coordinating projects rather than designing and building systems yourself.
  • Your AI experience is primarily limited to integrating third-party AI APIs without owning the underlying architecture, evaluation, reliability, or production behavior.
  • You rely primarily on prompt experimentation without systematic evaluation, metrics, testing, or engineering rigor.
  • You have primarily built demos or prototypes and have limited experience operating AI systems in production.
  • You prefer working from detailed specifications rather than owning ambiguous technical problems from problem definition through implementation.
  • You are looking for a people-management-only role.
  • You are uncomfortable diving into code, debugging production issues, or reviewing critical technical implementations.
  • You are uncomfortable making technical decisions when information is incomplete and there is no obvious solution.


#LI-JS1 #LI-Hybrid

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