AI Solution Developer
Worldwide
We're looking for an experienced AI Solutions Developer to design, build, and deploy intelligent applications that combine modern web development with cutting-edge AI/ML capabilities. You'll work across the full stack — from building responsive front-ends to architecting agentic AI workflows and backend systems. About the Role You'll be responsible for developing end-to-end AI-powered solutions, integrating LLMs and agentic frameworks into production applications, and ensuring seamless communication between front-end interfaces, back-end services, and AI models. Responsibilities Design and develop full-stack applications using React (front-end) and Node.js / Python (back-end) Build and integrate AI/ML models (LLMs, NLP, computer vision, or predictive models depending on project needs) Develop agentic AI systems — multi-step, tool-using, autonomous or semi-autonomous agents (e.g., using LangChain, LangGraph, AutoGen, CrewAI, or custom orchestration) Integrate with LLM APIs (OpenAI, Anthropic Claude, Google Gemini, open-source models via Hugging Face, etc.) Build and manage RAG (Retrieval-Augmented Generation) pipelines using vector databases (Pinecone, Weaviate, Chroma, FAISS) Design RESTful/GraphQL APIs and manage backend architecture Implement authentication, database design, and cloud deployment (AWS/GCP/Azure) Write clean, scalable, well-documented code Collaborate on architecture decisions and suggest AI-driven improvements to existing workflows Test, debug, and optimize applications for performance and reliability Required Skills & Tech Stack Frontend: React.js, Next.js, TypeScript, Tailwind CSS Backend: Node.js, Express, Python (FastAPI/Flask/Django) AI/ML: Python-based ML frameworks (TensorFlow, PyTorch, scikit-learn), LLM integration, prompt engineering Agentic Development: Experience with agent frameworks (LangChain, LangGraph, AutoGen, CrewAI, or similar) Databases: PostgreSQL, MongoDB, vector databases (Pinecone/Chroma/Weaviate) Cloud & DevOps: AWS/GCP/Azure, Docker, CI/CD pipelines, Git APIs: REST, GraphQL, WebSockets, third-party API integrations Nice to Have Experience with fine-tuning open-source LLMs Familiarity with MCP (Model Context Protocol) or similar tool-calling standards Experience with serverless architecture Background in building SaaS products or AI-powered automation tools What We're Looking For A strong portfolio or GitHub showcasing full-stack + AI/ML projects Ability to work independently, communicate clearly, and meet deadlines Strong problem-solving skills and attention to detail Prior experience building agentic workflows or LLM-powered applications is a big plus
- More than 30 hrs/weekHourly
- 6+ monthsDuration
- IntermediateExperience Level
$20.00
-
$50.00
Hourly- Remote Job
- Ongoing projectProject Type
Skills and Expertise
Activity on this job
- Proposals:20 to 50
- Last viewed by client:3 hours ago
- Interviewing:0
- Invites sent:0
- Unanswered invites:0
About the client
- INDPune3:00 PM
- $450 total spent4 hires, 0 active
Explore similar jobs on Upwork
How it works
Create your free profileHighlight your skills and experience, show your portfolio, and set your ideal pay rate.
Work the way you wantApply for jobs, create easy-to-by projects, or access exclusive opportunities that come to you.
Get paid securelyFrom contract to payment, we help you work safely and get paid securely.
About Upwork
- 4.9/5(Average rating of clients by professionals)
- G2 2021#1 freelance platform
- 49,000+Signed contract every week
- $2.3BFreelancers earned on Upwork in 2020
Find the best freelance jobs
Growing your career is as easy as creating a free profile and finding work like this that fits your skills.
Trusted by