Sr Fullstack AI Engineer

Important Information

Experience: 6 years

Job Mode: Full-time

Work Mode: Work from home

Job Summary

We are seeking a highly skilled Senior Full-Stack Developer with deep expertise in JavaScript TypeScript React and modern API development. This role also requires strong hands-on experience building AI-driven and LLM-powered applications including RAG workflows agentic systems and vector search integrations.

This is a high-impact position where you will design develop and deploy advanced full-stack features and intelligent systems that power next-generation user experiences.

Responsibilities and Duties

• Design build and maintain high-performance full-stack applications using React and TypeScript.

• Architect and implement LLM-powered and agentic applications from prototyping to production deployment.

• Develop scalable RESTful and GraphQL APIs integrating third-party services and internal data sources.

• Implement RAG pipelines including embedding generation context retrieval prompt engineering and tool execution.

• Integrate vector databases (e.g. pgvector Pinecone Weaviate Qdrant) to support semantic search and knowledge retrieval.

• Work with cloud-based AI platforms such as AWS Bedrock or Azure OpenAI for model orchestration and inference.

• Collaborate with product design and data teams to ship well-architected solutions at speed.

• Ensure software quality through testing performance tuning and best-in-class development practices.

• Mentor junior developers and participate in code reviews to maintain technical excellence.

Qualifications and Skills

• 6 years of professional experience as a Full-Stack Developer.

• Strong proficiency in JavaScript and TypeScript.

• Expert-level experience with (backend) and (frontend).

• Solid understanding of modern API development standards.

• Hands-on experience designing and shipping LLM-powered or agentic applications in production.

• Proficiency with at least one agent/orchestration framework such as:

  • LangChain LlamaIndex Semantic Kernel AutoGen or OpenAI Assistants.

• Deep practical experience implementing RAG architectures including:

  • Embeddings

  • Prompt design

  • Context management

  • Tool calling

• Experience working with vector databases (pgvector Pinecone Weaviate Qdrant).

• Experience integrating with cloud AI platforms such as AWS Bedrock or Azure OpenAI.

Highly Desirable

• Experience with Strands (AI/ML or orchestration context).

• Experience with Pydantic (Python data validation and modeling).

Nice to Have

• Experience with containerization and cloud infrastructure (Docker Kubernetes AWS GCP Azure).

• Familiarity with CI/CD pipelines and modern DevOps practices.

• Background in distributed systems data engineering or machine learning concepts.

About Encora

Encora is a global company that offers Software and Digital Engineering solutions. Our practices include Cloud Services Product Engineering & Application Modernization Data & Analytics Digital Experience & Design Services DevSecOps Cybersecurity Quality Engineering AI & LLM Engineering among others.

At Encora we hire professionals based solely on their skills and do not discriminate based on age disability religion gender sexual orientation socioeconomic status or nationality.

Required Experience:

Senior IC