GSS Tech Group is hiring a Senior Backend Engineer to design and own production grade backend systems that integrate AI models, APIs, and data pipelines for our banking and fintech client base across the UAE.

This is a hands on engineering role. You will be building services that ship into real products with real SLAs, not prototyping in a notebook.

Responsibilities

Design, build, and maintain scalable backend services using Node.js and TypeScript
Integrate LLMs and AI services into production systems using Azure OpenAI, OpenAI API, or AWS Bedrock
Build and optimize RESTful APIs and data layers across PostgreSQL, Redis, and MongoDB
Implement RAG pipelines using vector databases, covering chunking, embedding, and retrieval tuning
Write and maintain automated tests using Jest and Playwright as part of CI
Deploy and operate services on Azure and/or AWS
Apply agentic workflow patterns using LangChain or LangGraph where appropriate

Required Qualifications





5+ years backend engineering experience with Node.js and TypeScript
Robust experience with Express.js and RESTful API design
Production experience with at least two of PostgreSQL, Redis, MongoDB
Hands on experience shipping LLM integration to production, not just experimentation
Working knowledge of vector databases and RAG implementation
Working knowledge of Azure and/or AWS cloud services
Testing experience with Jest and Playwright
Foundational understanding of linear algebra, probability, and statistics as applied to embeddings and retrieval

Preferred Qualifications

Experience with AWS Bedrock specifically
Multi model orchestration experience
Regulated industry experience, including PII handling and audit logging
Banking or fintech domain background

📌 Senior Backend Engineer (Chennai)
🏢 Global Software Solutions Group
📍 Chennai