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# Middle Backend Developer

- **Company:** Ai, Inc
- **Location:** United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, PHP (Programming Language), Artificial Intelligence, Amazon Web Services, Amazon S3, Python (Programming Language), Large Language Models, Llamaindex, Generative AI, Agentic-AI, Cloudformation, Cloudwatch, Api Gateway, Amazon Simple Queue Service (SQS), Docker
- **Published:** September 30, 2026
- **Apply:** https://www.thejobnetwork.com/job/1f7a5a88-ac12-4a7a-8023-cfdb7992d168/middle-backend-developer-php-aws-lambda-ai

## About the Role

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 * Roughly 2-4 years of professional backend development experience.
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 * Strong, practical experience with PHP in a production environment.
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 * Hands-on experience with AWS Lambda or serverless architecture (and comfort with the AWS ecosystem generally).
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 * Solid MySQL skills: relational data modeling, writing efficient queries, and troubleshooting performance.
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 * Working knowledge of Python - enough to confidently read, support, and extend the AI agent codebase.
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 * Familiarity with PostgreSQL.
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 * Good understanding of REST APIs, version control (Git), automated testing, and general software best practices.
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 * Genuine interest in AI/LLM-based features and a willingness to grow your skills in that area.
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 * Strong problem-solving skills, attention to detail, and the ability to work independently on well-scoped tasks.
\n, * Prior experience building or integrating AI agents / LLM-powered features (e.g. LangChain, LlamaIndex, or similar frameworks, and prompt/tooling design).
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 * Experience with additional AWS services: API Gateway, SQS, S3, AuroraDB, CloudWatch, Lambda, SNS.
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 * Familiarity with event-driven / message-queue architectures.