Position: Software Engineer 4 - Contingent
Location: Charlotte, North Carolina
Duration: Contract
Job ID: 175955
Only W2
Job Overview: We are hiring a
Senior AI Developer (Full Stack) to design and build
production-grade Generative AI systems using
LangChain, LangGraph, RAG pipelines, and Google Vertex AI.
Key Responsibilities
- Build and deploy agentic AI workflows using LangChain/LangGraph
- Design and implement end-to-end RAG systems (ingestion, embeddings, retrieval, reranking)
- Develop scalable AI services on Google Vertex AI + Google Cloud Platform (Docker, Kubernetes, CI/CD)
- Build backend APIs in Python (FastAPI) / Node.js and frontend apps in React/Next.js
- Implement AI evaluation, observability, security, and governance (RAGAS, tracing, PII protection)
- Optimize latency, cost, and performance of LLM-based systems
Required Skills
- 7-10 years software engineering experience
- Strong expertise in LangChain, LangGraph, RAG systems
- Hands-on experience with Vertex AI / Google Cloud Platform
- Strong Python backend development (FastAPI)
- Experience with vector databases (Pinecone, Weaviate, Milvus, FAISS)
- Knowledge of LLM evaluation, observability, and MLOps
- Docker, Kubernetes, CI/CD pipelines
Must Have
- Agentic AI development
- RAG architecture & production deployment
- MLOps & cloud-native AI systems
About PTR Global: PTR Global is a leading provider of information technology and workforce solutions. PTR Global has become one of the largest providers in its industry, with over 5000 professionals providing services across the U.S. and Canada. For more information visit ;br>
At PTR Global, we understand the importance of your privacy and security. We NEVER ASK job applicants to:
- Pay any fee to be considered for, submitted to, or selected for any opportunity.
- Purchase any product, service, or gift cards from us or for us as part of an application, interview, or selection process.
- Provide sensitive financial information such as credit card numbers or banking information. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.
Pay Range: $70 - $75
The specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. Our full-time consultants have access to benefits, including medical, dental, vision, and 401K contributions, as well as PTO, sick leave, and other benefits mandated by applicable state or localities where you reside or work.
If you receive a suspicious message, email, or phone call claiming to be from PTR Global do not respond or click on any links. Instead, contact us directly at +1 . To report any concerns, please email us at
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