llm engineer jobs in Philadelphia

You are building the quality layer that takes generative AI from experiment to enterprise reality at a Private-Equity-backed professional services business. This is not a role where you simply test what someone else built. You are defining what “good” looks like for AI applications across the business. You set the standards. You own the evaluation...

Senior AI Software Engineer - BackOffice Systems- LLM-We're seeking a passionate Senior Software Developer ready to design groundbreaking solutions and collaborate across functions in a high-performance environment. Enjoy the innovation of a full-stack role, where every day brings the chance to craft secure and scalable platforms in a world-leading trading...

Role: Data Operations Engineer / DataOps Specialist Skills: Digital : Python Experience Required: 10+ years Primary Skill: LangChain, LangGraph, VectorDB, Python, LLM's Secondary skill: Pl-SQL with ETL tools Big Data tools (Spark, Hadoop) Cloud Platforms (AWS / Azure / GCP) Data Modeling & Data Architecture APIs & Data Integration CI/CD & Automation...

Research Scientist (LLM/SOTA/RL), Remote, USA (Between $250-400K DOE + equity) Research Scientists sought for a well-funded, highly successful defense AI scaleup who bring state of the art AI to the tactical edge. They are a talented team of engineers and researchers who perform the full stack of model training to improve models every day. Were looking for...

Forward Deployed Scientist, Remote, (ML/RL/LLM) (Between $280-400K DOE + equity) Forward Deployed Scientist sought for a well-funded, highly successful defense AI scaleup who bring state of the art AI to the tactical edge. They are a talented team of engineers and researchers who perform the full stack of model training to improve models every day. We're...

AI Engineer Location: Remote, Nationwide Our client is building the next generation of intelligent software, where AI is expected to do more than generate a compelling response. The goal is to create dependable AI experiences that understand context, take action, and complete meaningful work for users. They are seeking an AI Engineer who can bridge...

At The ReWork Group, we partner with high-growth startups and forward-thinking companies to build the future. Most agentic AI jobs end at a chat window. This one ends with a satellite getting tasked. And that's where you come in! Our client is building the algorithms that find what's moving, where, and why it matters. If you want your work flying in...

Invoke is a consulting and Innovation firm focused on delivering Intelligent automation solutions that solve real operational challenges. We partner with organizations across industries, including the public sector, to design and implement scalable RPA and AI-driven workflows that improve efficiency, accuracy, and reliability. Our teams work hands-on with...

Data Engineer – AI Training & Evaluation Experience: 3–8 Years Job Type: Contractor Location: Remote Compensation: $30–$60/hour Role Overview Contribute to LLM training and evaluation workflows by working with datasets, data pipelines, and AI-generated data outputs. Review data for accuracy, consistency, completeness, quality, and suitability...

AI Engineer $240k–$300k base + equity Remote, United States High-growth applied AI company building production agents to automate complex enterprise workflows. This early-stage team is building infrastructure that connects fragmented enterprise data, creates business context, and enables AI agents to execute high-value workflows. With significant...

Lead Backend Engineer – AI Location: Fully remote within the United States Employment Type: Full-time, permanent Role Overview We are partnering with a healthcare analytics SaaS company to hire a Lead Backend Engineer – AI. This hands-on technical leader will evolve core backend services while building production-ready AI and machine learning...

Senior AI Engineer - Agentic Systems Remote (NYC HQ) $200,000-225,000 Base Salary + Equity THE COMPANY Harnham is partnering with a high-growth AI-native technology company building a next-generation platform for the advertising and marketing industry. The business is transforming how organizations execute campaign strategy, creative development, media...

Job Description: Required Skills: Strong programming experience in Python . Strong understanding of Machine Learning and Deep Learning concepts. Experience with supervised and unsupervised learning. Experience with NLP and/or Generative AI . Hands-on experience with LLMs, RAG, prompt engineering, embeddings, and vector databases . Experience with...

LEAD BACKEND ENGINEER – AI PLATFORM & SERVICES REMOTE (U.S.) $175,000 – $210,000 BASE + BENEFITS The Opportunity We're partnering with a growing SaaS organization that is investing heavily in AI and advanced analytics to build the next generation of intelligent software solutions. The company is looking for a Lead Backend Engineer to play a key role...

On-Premises LLM & Vector Database Implementation ConsultantLocation: Philadelphia, PA | Hybrid (3+ days/week onsite) Position Type: Contract | Experience: 5-10 years[About the Role]Join a pioneering team as an On-Premises LLM & Vector Database Implementation Consultant. Drive the end-to-end deployment of state-of-the-art open-source large language models...

🚀 We're hiring a hands-on Head of Engineering at Gabeo.ai. US-based · Fully remote · Full-time Every dollar lost to a misinterpreted contract is a dollar that never reaches patient care. We exist to make sure that doesn't happen. We're building AI that reconciles contracts, claims and policies to deliver measurable financial outcomes: finding the...

What if an AI agent could tell an engineer exactly why a system failed? That’s what you’ll help build. We’re working with a high-growth technology company sitting at the intersection of AI, software and complex physical systems. Their platform already captures huge volumes of telemetry, time-series data, test results and engineering logs. Now they’re...

🚀 Multiple Design Verification (DV) Opportunities - U.S. Based (Hybrid & Onsite) 🚀 We are partnered with several cutting-edge semiconductor client s who are actively hiring Design Verification Engineer s across a range of domains. These roles are NOT fully remot e - each has a defined hybrid or onsite expectation, outlined below If you’re a DV...

ML/AI Engineer at a seed-stage team working on one of the hardest problems in crypto - backed by tier 1 VCs. You are the person who takes ML research and turns it into production systems that work. Training pipelines, eval harnesses, inference services, synthetic data generation, feedback loops. Not a research role. Not a backend integration role. The full...

AI Full Stack Engineer Location: Remote, Nationwide Our client is building the next generation of intelligent software, where AI is embedded directly into useful, everyday product experiences rather than added as an afterthought. They are looking for a highly capable AI Full Stack Engineer who can move comfortably from polished user experiences to backend...