Senior AI Engineer Full-Stack & Agentic Application Development || Miami, FL
Key2Source INC
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Job Details
Skills
- Python
- react
- llm
- Harness
- Gen AI
- AI Engineer
Summary
Senior AI Engineer Full-Stack & Agentic Application Development
Harness is Mandatory
Miami, FL (Completely Onsite)
Role Overview
We are seeking a highly hands-on Senior AI Engineer who can independently design, build, test, and deliver enterprise-grade AI applications from concept to deployment-ready software.
The ideal candidate combines strong full-stack engineering with deep practical expertise in Generative AI, LLMs, RAG, agentic AI, modern AI frameworks, and AI-assisted software development. This role requires strong hands-on experience with Harness and modern CI/CD practices.
Key Responsibilities
- Independently architect and build end-to-end AI-powered applications, including UI, backend, APIs, data and AI layers.
- Develop solutions using LLMs, Generative AI, RAG, AI agents, embeddings and vector search.
- Build agentic workflows integrating enterprise applications, APIs, tools and data sources.
- Develop scalable APIs, microservices and cloud-native applications.
- Implement automated unit, integration and AI application testing.
- Use AI coding tools such as GitHub Copilot, Claude Code, Cursor, Codex or equivalent to accelerate engineering.
- Build and maintain CI pipelines and application services using Harness.
- Work closely with platform engineering to ensure applications are secure, observable and production-ready.
Required Skills
- Strong Python development experience.
- Strong JavaScript/TypeScript and modern frontend experience such as React, Next.js or Angular.
- Hands-on experience with AI frameworks such as LangChain, LangGraph, LlamaIndex, Semantic Kernel or equivalent.
- Strong understanding of LLMs, RAG, agentic AI, prompt/context engineering and model integration.
- Experience with OpenAI, Azure OpenAI, Anthropic, Gemini, AWS Bedrock or comparable model platforms.
- Experience with SQL/NoSQL databases and vector databases.
- Strong API, microservices, Docker and Kubernetes knowledge.
- Strong hands-on Harness CI/CD, pipeline-as-code/YAML, services, environments, connectors and pipeline troubleshooting experience.
- Experience with Harness Skills and AI-assisted software delivery strongly preferred.
- Dice Id: 91165889
- Position Id: 2026-701
- Posted 1 hour ago
Company Info
About Key2Source INC
At Key2Source, we recognize your drive for a competitive edge and are equipped with the expertise and resources to provide the technological advantage you seek. We offer advanced, professional staffing solutions, both permanent and contingent, throughout the United States. Our extensive database of staffing resources is supported by a robust Human Resources management system, ensuring high quality.
To support your success, we continually refine our expertise and invest heavily in the training and development of our team, utilizing the latest technology. Our commitment to excellence is reflected in our near 100% client retention rate across diverse industries such as IT/ITES, retail, telecom, e-commerce, FMCG, logistics, pharmaceuticals, and more. Our dedication to quality and our proven track record establish us as a leader in workforce solutions.
