Job Description
Senior AI / LLM Full-Stack Engineer – NextGen Coding Company
Location: USA-Based (Remote, EST hours required)
Compensation: $60/hour
Engagement: Contract (40 hours/week, long-term potential)
NextGen Coding Company is hiring a Senior AI / LLM Full-Stack Engineer to design, build, and deploy production-grade AI systems for enterprise and regulated clients. The role focuses on embedding large language models into existing applications, building robust RAG pipelines, and delivering reliable, cost-efficient AI-powered features at scale.
The ideal candidate brings strong backend engineering fundamentals, real-world LLM production experience, and the ability to collaborate directly with client engineering and product teams.
Core Responsibilities
- Embed large language models into existing enterprise applications and workflows.
- Design, build, and maintain Retrieval-Augmented Generation (RAG) pipelines.
- Integrate AI services with internal APIs, databases, and data platforms.
- Develop backend services and supporting infrastructure for AI-driven features.
- Implement light frontend components as needed to support AI functionality.
- Optimize prompt quality, system latency, and inference cost across deployments.
- Collaborate closely with client engineers, architects, and product owners.
- Support production monitoring, debugging, and iterative improvement of AI systems.
Required Skills and Experience
- 5+ years of professional software engineering experience.
- 2–3+ years of hands-on AI / LLM work in production environments .
- Strong proficiency in Python .
- Experience working with LLMs such as GPT-4, Claude, or equivalent models .
- Practical experience building RAG systems using LangChain or similar frameworks .
- Experience with vector databases such as Pinecone, FAISS, or Weaviate .
- Backend development experience with FastAPI, Flask, and/or Node.js .
- Frontend familiarity with React or equivalent frameworks (not design-heavy).
- Cloud experience with AWS or Azure .
- Experience supporting enterprise or regulated clients strongly preferred.
- Full availability during Eastern Time Zone business hours .
Ideal Candidate Profile
- Strong ownership mindset with the ability to ship production-ready systems.
- Comfortable operating in enterprise environments with compliance and reliability requirements.
- Able to balance rapid iteration with system stability and cost controls.
- Clear communicator who works effectively with both technical and non-technical stakeholders.
- Experienced in debugging distributed systems involving APIs, databases, and AI services.
Why Join NextGen
- Work on real production AI systems for enterprise and regulated clients.
- Direct exposure to modern LLM stacks, RAG architectures, and applied AI workflows.
- High-impact, hands-on engineering role with strong autonomy.
- Long-term contract potential with consistent, high-quality client work.
Job Tags
Long term contract, Full time, Contract work,