Senior Python Developer

Location: Rutherford, NJ (3 days onsite in a week)

Duration: 8 months

Pay Range: $80-$90/hr. on W2

Job Description: Seeking an experienced Senior Python Developer to build scalable, data-driven applications and AI-powered solutions, including GenAI, LLMs, and RAG-based systems. The role involves developing high-performance services, optimizing databases, and collaborating with cross-functional teams to deliver production-ready solutions.

Key Responsibilities: Develop scalable Python applications, APIs, and asynchronous workflows. Design and optimize data models, databases, and vector search solutions. Build and integrate AI/ML, LLM, GenAI, and RAG-based solutions. Implement AI frameworks, multi-agent workflows, and model fine-tuning. Deploy, monitor, and optimize production services. Collaborate with product, architecture, and engineering teams.

Required Skills: Strong Python programming, FastAPI, and asynchronous programming. Experience with LLMs such as OpenAI, Gemini, Claude, or Llama. Knowledge of PyTorch, TensorFlow, LangChain, LlamaIndex, or Hugging Face. Experience with RAG, PostgreSQL, vector databases, and advanced retrieval. Knowledge of prompt engineering, AI workflow orchestration, Docker, and production API deployment. Please share with me your updated resume if you are interested in applying for this role. Dexian is a leading provider of staffing, IT, and workforce solutions with over 12,000 employees and 70 locations worldwide. As one of the largest IT staffing companies and the 2nd largest minority-owned staffing company in the U.S., Dexian was formed in 2023 through the merger of DISYS and Signature Consultants. Combining the best elements of its core companies, Dexian's platform connects talent, technology, and organizations to produce game-changing results that help everyone achieve their ambitions and goals. Dexian's brands include Dexian DISYS, Dexian Signature Consultants, Dexian Government Solutions, Dexian Talent Development and Dexian IT Solutions. Visit to learn more. Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.