AI Engineer - Senior

NENI TECHSYSTEMS INC. is hiring a Senior AI Engineer (Agentic Systems) to design, build, and deploy production-grade large language model and agentic AI solutions. This is an onsite opportunity based in Plano, TX (also listed for Columbus, OH
, New York, NY
, and Jersey City, NJ
), with a focus on delivering LLM-based agent systems that operate reliably in production environments.

The role emphasizes hands-on engineering across the full lifecycle of agentic systems, from orchestration and retrieval to evaluation, testing, and operational readiness, with a preference for candidates familiar with regulated domains such as Banking/Financial Services
.

• Build and deploy production-grade LLM and agentic AI systems
  .
• Deliver LLM-based agentic systems in production.

• 7+ years of software engineering experience, with senior or lead-level ownership.
• Proven experience delivering LLM-based agentic systems in production.
• Strong hands-on experience with Python and Java/Spring
  .
• Expertise with Lang Chain
  , Lang Graph
  , or equivalent agent orchestration frameworks.
• Experience with RAG
  , tool/function calling, multi-turn conversations, escalation, and human handoff.
• Strong understanding of prompt/context engineering and agent state management
  .
• Experience with LLM evaluation
  , regression testing
  , trace analysis
  , and A/B testing
  .
• Hands-on experience with vLLM or comparable LLM inference/serving platforms and commercial LLM APIs.
• Working knowledge of Py Torch and LLM/model fundamentals.
• Strong distributed systems experience including APIs, queues, caching, observability, and CI/CD
  .
• Experience implementing guardrails
  , PII handling
  , auditability
  , deterministic fallbacks
  , and production reliability.
• Local to the selected location (within approximately 30–40 miles
  ) and able to work onsite
  ; no relocation candidates.
• Available for an onsite interview
  .

• Experience with agent-building platforms such as Sierra or Decagon
  .
• Voice agents, streaming inference, or contact-center integrations.
• Experience with banking, financial services, healthcare, or other regulated-industry environments.
• Experience with Lang Smith
  , Braintrust
  , or custom LLM evaluation frameworks.
• Knowledge of LLM safety and guardrail technologies.

• Python
  , Java
  , Spring
• Lang Chain
  , Lang Graph
• RAG
  , vLLM
  , Py Torch
• CI/CD

• Onsite (in person) with an onsite interview requirement.
• Locations:
  Plano, TX /
  Columbus, OH /
  New York, NY /
  Jersey City, NJ
  .

• $55.00 - $75.00 per hour
• 40.0 hours per week

• USC
  , EAD
  , H1B