Apps Dev Tech Lead Analyst

Citi

Remote Actively hiring
Remote, USA · Tampa, FL Posted 21 days ago $113,840–$170,760 / year
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At a glance

AI generated

TL;DR

As a Senior AI Engineer on the Applications Development team at our tech-forward organization, you will lead the design and implementation of advanced Gen-AI systems using cutting-edge frameworks like LangChain and Hugging Face. Your day-to-day responsibilities include building retrieval-augmented generation (RAG) systems, optimizing prompt engineering for efficiency, and deploying robust AI solutions with Docker and monitoring tools. You’ll work extensively with Python, FastAPI, and modern JavaScript frameworks while leveraging SQL and vector databases to enhance system performance. This role requires deep expertise in large language models such as OpenAI and Llama, along with solid grounding in ML/DL concepts using PyTorch or TensorFlow. Additionally, you will mentor junior engineers and contribute to the architecture of stateful AI applications, ensuring they are safe, efficient, and scalable.

Skills

Python FastAPI SQL LangChain LlamaIndex Hugging Face RAG PostgreSQL pgvector Pinecone Weaviate FAISS React Angular Vue PyTorch TensorFlow Docker AWS GCP Azure

What you'll do

  • Design and implement Retrieval-Augmented Generation (RAG) systems using vector databases.
  • Develop advanced retrieval strategies including hybrid search and re-ranking techniques.
  • Fine-tune large language models and create embeddings with PyTorch or TensorFlow.
  • Deploy generative AI systems using Docker, production APIs, and monitoring tools.
  • Optimize prompt engineering for latency, cost, and accuracy in AI workflows.

What we're looking for

  • Deep expertise in Large Language Models (LLMs) and Gen-AI frameworks.
  • Strong hands-on experience with Python, FastAPI, async programming, SQL, and AI APIs.
  • Proven experience designing Retrieval-Augmented Generation systems and advanced retrieval strategies.
  • Solid grounding in ML/DL concepts, including fine-tuning and embeddings using PyTorch/TensorFlow.
  • Experience deploying Gen-AI systems with Docker, production APIs, and monitoring tools.
  • Strong understanding of prompt engineering, workflow design, and AI system evaluation/governance.

Market check

Salary context

This $113,840–$170,760 range sits above 21% of similar postings on FindRole.

Peer median band

$138,860–$212,850

Median floor and ceiling across peers.

Typical midpoint (25–75%)

$142,400–$200,400

Middle half of comparable postings.

Based on 240 comparable postings.

* 240 is the maximum number of comparable postings sampled.

Employer

About Citi

Citi is one of the world’s most trusted financial institutions, proudly serving millions of customers across the United States.

Citi currently has 336 open roles on FindRole.

Listed pay typically runs $125,760–$188,640 across 308 roles with salary data.

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