Job Information

Date Opened

07/17/2026

Job Type

Permanent

RSD NO

13760

Industry

IT Services

Min Experience

6

Max Experience

6

City

Bangalore North

State/Province

Karnataka

Country

India

Zip/Postal Code

560001

Job Description

Job Description – AI Backend Engineer (Python, FastAPI & LLM)

Experience: 4–6 Years

Job Summary

We are looking for a skilled AI Backend Engineer with strong expertise in Python, FastAPI, and Large Language Models (LLMs) to build scalable, event-driven microservices and AI-powered applications. The ideal candidate should have hands-on experience designing AI agents, prompt engineering, AWS cloud services, and modern backend architectures. This role involves building production-grade AI services, integrating with enterprise systems, and delivering reliable, observable, and secure solutions.

Key Responsibilities

-
Design, develop, and maintain Python/FastAPI microservices following scalable, event-driven architecture principles.

-
Build and manage REST APIs, business logic, event publishing, error handling, and automated unit tests.

-
Develop AI-powered solutions using Large Language Models (LLMs) and AWS Bedrock AgentCore.

-
Design prompts, agent workflows, tool/function calling, structured outputs, and fallback mechanisms for AI applications.

-
Implement Retrieval-Augmented Generation (RAG) and knowledge-grounded AI solutions.

-
Integrate AI services with enterprise systems using REST APIs and asynchronous event-driven workflows.

-
Build services using AWS EventBridge, Lambda, ECS Fargate, PostgreSQL, DynamoDB, and related AWS services.

-
Ensure system reliability through structured logging, monitoring, and observability, including model versioning, confidence scores, token usage, and AI decision tracking.

-
Develop and optimize PostgreSQL schemas, indexing strategies, and database performance.

-




Implement automated testing, CI/CD pipelines, and infrastructure automation.

-
Collaborate with cross-functional teams to deliver end-to-end AI solutions and participate in integration testing.

-
Contribute to prompt evaluation, AI model improvements, and production readiness.

Required Skills

-
4–6 years of backend development experience using Python.

-
Strong hands-on experience with FastAPI or similar asynchronous Python frameworks.

-
Experience designing and developing LLM-based applications.

-
Strong understanding of Prompt Engineering, Agent Design, Function/Tool Calling, and RAG architectures.

-
Experience with AWS Bedrock AgentCore or similar AI agent platforms.

-
Hands-on experience with AWS services including:

-
EventBridge

-
ECS Fargate

-
Lambda

-
API Gateway

-
RDS PostgreSQL

-
DynamoDB

-
Strong understanding of event-driven architectures, including:

-
Idempotency

-
At-least-once delivery

-
Dead-letter queues

-
Saga patterns

-
Strong knowledge of PostgreSQL schema design, constraints, and indexing.

-
Experience designing RESTful APIs and asynchronous programming.

-
Experience with automated testing using PyTest or equivalent frameworks.

-
Familiarity with Git, CI/CD pipelines, and Agile development practices.

-
Experience using AI-assisted development tools such as Claude Code, Cursor, GitHub Copilot, or similar.

Preferred Skills

-
Experience in Healthcare domain (EDI 270/271, 837/835 transactions,



Medicaid workflows).

-
Experience with LangSmith, PromptFlow, or other prompt evaluation frameworks.

-
Knowledge of AWS Kinesis Data Streams.

-
Experience with React, TypeScript, and Tailwind CSS.

-
Experience with Pulumi or Infrastructure-as-Code.

-
Familiarity with Redshift Serverless, Redis, and multi-AZ AWS deployments.

-
Experience with Jira, Confluence, and Azure DevOps.

Technical Stack

-
Programming: Python, SQL, TypeScript

-
Backend: FastAPI, Pydantic

-
AI/LLM: AWS Bedrock AgentCore, Prompt Engineering, RAG, Tool Calling

-
Cloud: AWS (Lambda, ECS Fargate, EventBridge, API Gateway, IAM, CloudWatch)

-
Databases: PostgreSQL, DynamoDB, Redshift, Redis

-
Streaming: EventBridge, Kinesis, SQS

-
Infrastructure: Pulumi, GitHub Actions, Azure DevOps

-
Testing: PyTest, Integration Testing, Agent Evaluation Frameworks

-
Version Control: Git

Preferred Qualifications

-
Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.

-
Robust analytical, debugging, and problem-solving skills.

-
Excellent communication and stakeholder collaboration abilities.

-
Ability to independently own and deliver backend services in a fast-paced Agile environment.

At Indium, diversity, equity, and inclusion (DEI) are core values. We promote DEI through a dedicated council, expert sessions, and tailored training, fostering an inclusive workplace. Our initiatives, like the WE@IN women empowerment program and DEI calendar, create a culture of respect and belonging. Recognized with the Human Capital Award, we're committed to an environment where everyone thrives. Join us in building a diverse, innovative workplace.

Indium do not solicit or accept any form of fees or payment at any stage of the hiring process.

📌 Backend Engineer (India)
🏢 Indium software
📍 India