Job DescriptionAbout the Rolen

We are looking for a solid backend engineer who can work across our existing PHP backend while helping us build the next generation of AI-powered product capabilities.

n

This is not a pure AI research role. We need someone who can ship production software, work with real customer data, build reliable backend systems, and apply AI/LLMs practically inside a SaaS product.

n

You will work on core backend development in PHP, build AI agents and automation workflows in Python, integrate LLMs and vector databases, and support data pipelines, ETL processes, and ML-driven product features.

n

The ideal candidate is a hands-on engineer who is comfortable maintaining existing systems while also building new AI-native capabilities from the ground up.

n

Responsibilitiesn

n

n
- Build, maintain, and improve backend features in our existing PHP application.
n
- Develop AI agents and automation workflows using Python.
n
- Integrate LLMs such as OpenAI, Claude, Gemini, or similar models into product features.
n
- Build RAG-based systems using embeddings, vector databases, and document retrieval.
n
- Work with frameworks and tools such as Lang Chain, Llama Index, or similar AI orchestration libraries.
n
- Design APIs, backend services, background jobs, and data processing workflows.
n
- Build and maintain ETL pipelines to move, clean, transform, and structure data.
n
- Work with structured and unstructured data from CRMs, conversations, customer records, emails, websites, and third-party integrations.
n
- Implement prompt pipelines, tool/function calling, intent classification, memory, and agent workflows.
n
- Collaborate with product, engineering, and leadership to turn business problems into AI-powered features.
n
- Monitor, debug, and improve AI output quality, latency, cost, and reliability.
n
- Write clean, maintainable, testable code.
n




- Support integrations with third-party APIs and internal systems.
n
- Help modernize parts of the backend architecture over time.
n

n

Required Skillsn

n
- Strong backend development experience.
n
- Hands-on experience with PHP .
n
- Strong experience with Python .
n
- Experience building APIs, backend services, and data-driven applications.
n
- Practical experience working with LLM APIs such as OpenAI, Anthropic Claude, Gemini, or similar.
n
- Understanding of AI agent concepts, prompt engineering, function calling, and structured AI outputs.
n
- Experience with embeddings, vector search, RAG, or vector databases.
n
- Familiarity with Lang Chain, Llama Index, or similar frameworks.
n
- Strong SQL skills and comfort working with relational databases.
n
- Understanding of ETL concepts, data pipelines, data cleaning, and transformation.
n
- Familiarity with core machine learning concepts such as classification, prediction, embeddings, model evaluation, training vs inference, and feature engineering.
n
- Ability to debug production issues and work in an existing codebase.
n
- Strong problem-solving ability and ownership mindset.
n

n

Nice to Haven

n
- Experience with Code Igniter, Laravel, or other PHP frameworks.
n
- Experience with Node.js or React.
n
- Experience with queue systems, cron jobs, workers, webhooks, and background processing.
n
- Experience with vector databases such as Pinecone, Weaviate, Chroma, FAISS, Qdrant, or pgvector.
n
- Experience with CRM, marketing automation, customer support, or messaging platforms.
n
- Experience with voice AI, chatbots, customer service automation, or sales automation.
n
- Experience with cloud platforms such as Azure, AWS, or GCP.
n
- Experience with data warehouses, analytics pipelines, or BI tools.
n
- Experience with model evaluation, AI guardrails, observability, and cost optimization.
n

n

📌 AI Backend Engineer (India)
🏢 Gleantap
📍 India