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

– 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

- Solid 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.
- Strong 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 (Bengaluru)
🏢 Indium software
📍 Bengaluru