Backend & AI Application Engineer

We’re looking for a Backend & AI Application Engineer to design, build, and operate scalable backend and AI‑powered services that support production‑grade applications, ensuring performance, reliability, security, and clean integration with frontend and platform teams.

Responsibilities

API & Service Design

• Define and implement RESTful APIs with strong data contracts, versioning, pagination, and error handling.
• Apply security best practices including OAuth2, JWT, access control, and input validation.
• Collaborate with frontend engineers on API contracts, mock servers, and integration patterns.

AI Feature Development

• Research, prototype, and integrate AI/ML models and third‑party services (OpenAI API, LLMs, embeddings, RAG, agentic systems).
• Implement semantic search, vector stores, retrieval pipelines, and multi‑agent workflows using LangChain, LangGraph, LlamaIndex, and Weaviate...