Backend Engineer (AI / LLM / Claude Applications)

Althera Laboratories India Pvt Ltd, Bangalore; Bommasandra; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Althera Laboratories India Pvt Ltd, Bangalore is seeking a Backend Engineer to design, build, and scale backend systems for AI-powered applications with emphasis on Claude (Anthropic) and other LLMs. You will collaborate with AI/ML engineers, frontend teams, and product managers to deploy production-grade systems.

The role focuses on building scalable microservices, integrating LLMs, and developing robust API layers for AI workflows, while ensuring security and observability across cloud

Qualifications

• Proven experience designing scalable backend systems.
• Strong knowledge of Python/Node.js/Java/Go.
• Experience with REST/GraphQL and databases.

Responsibilities

• Design scalable backend systems and APIs for AI-driven apps.
• Integrate Claude API and other LLMs into products.
• Build middleware, orchestration layers, and agent frameworks for AI workflows.
• Implement prompt pipelines, context management, and memory systems.
• Develop high-performance REST/GraphQL APIs for AI services.
• Handle real-time and asynchronous AI inference processing.
• Optimize latency, cost, and throughput for LLM usage.
• Implement RAG pipelines using vector databases.
• Ensure security, compliance and data privacy for AI systems.
• Monitor and maintain production systems, logging and observability.
• Collaborate with DevOps for CI/CD, containerization, and cloud deployment.

Skills

Python

Node.js

Go

Java

Microservices

Tools

Docker

Kubernetes

CI/CD pipelines

Cloud platforms

Job description

Job Title: Backend Engineer (AI / LLM / Claude Applications)

Role Overview

We are looking for a skilled Backend Engineer to design, build, and scale backend systems for AI-powered applications, with a strong focus on Claude (Anthropic) / LLM-based solutions. You will work closely with AI/ML engineers, frontend developers, and product teams to integrate large language models into production-grade systems.

Key Responsibilities

• Design and develop scalable backend systems and APIs for AI-driven applications
• Integrate Claude API (Anthropic) and other LLMs (OpenAI, Azure OpenAI, etc.) into products
• Build middleware, orchestration layers, and agent frameworks for AI workflows
• Implement prompt pipelines, context management, and memory systems
• Develop high-performance REST/GraphQL APIs for AI services
• Handle real-time and asynchronous processing of AI inference workflows
• Optimize latency, cost, and throughput for LLM usage
• Implement RAG (Retrieval Augmented Generation) pipelines using vector databases
• Ensure security, compliance, and data privacy standards for AI systems
• Monitor and maintain production systems, logging, and observability
• Collaborate with DevOps for CI/CD, containerization, and cloud deployment

Required Skills & Qualifications

Core Backend Skills

• Strong experience in Python / Node.js / Java / Go
• Expertise in building scalable microservices architecture
• Solid understanding of REST APIs, GraphQL, and distributed systems
• Experience with databases: SQL PostgreSQL, MySQL), NoSQL (MongoDB, Redis, DynamoDB)

AI / LLM Experience - Claude API (Anthropic) preferred, OpenAI / Azure OpenAI / other LLMs

• Understanding of Prompt engineering, Token management & Context window optimization
• Experience building:

Chatbots, copilots, or AI agents

Data & AI Infrastructure

• Experience with vector databases:

Pinecone, Weaviate, FAISS, Chroma

• Knowledge of RAG architectures
• Familiarity with embedding models and semantic search

Cloud & DevOps

• Experience with cloud platforms: Azure / AWS / GCP
• Knowledge of Docker, Kubernetes, CI/CD pipelines, Serverless architectures