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Full Stack AI Engineer

Full Stack AI Engineer

Company: Python Technologies Location: DHA 2 Islamabad (On-site) Job Type: Full-time Experience Level: Mid to Senior

About Us

Python Technologies is a fast-growing digital agency delivering AI automation, Software solutions to 70+ brands across North America, GCC, Australia, and the UK. We build production-grade AI products — from RAG pipelines and voice agents to multi-tenant SaaS platforms — for clients ranging from healthcare to insurance to HR tech.

We're looking for a Full Stack AI Engineer who can ship end-to-end: backend APIs, modern frontends, and the AI layer in between.

What You'll Do

  • Design and build full-stack AI applications using FastAPI, NestJS, and Next.js
  • Develop RAG pipelines and LLM-powered systems using LangChain, LangGraph, and Pinecone
  • Integrate voice AI agents (Retell AI, VoxImplant) and automation workflows (n8n, Zapier)
  • Build and maintain MongoDB, PostgreSQL, and vector database schemas
  • Deploy and manage applications on Digital Ocean, AWS, and Oracle Cloud (PM2, Nginx, SSL)
  • Work directly with international clients across discovery, scoping, and delivery
  • Write clean, well-documented code and contribute to architecture decisions
  • Collaborate with designers, PMs, and other engineers across multiple concurrent projects

What We're Looking For

Technical skills

  • 3+ years building production web applications (full stack)
  • Strong proficiency in Python (FastAPI) and Node.js (NestJS or Express)
  • Solid frontend skills with React and Next.js, plus Tailwind CSS
  • Hands-on experience with LLM APIs (OpenAI, Anthropic, Groq) and prompt engineering
  • Experience building RAG systems with vector databases (Pinecone, Weaviate, or similar)
  • Comfortable with MongoDB and at least one SQL database
  • Familiarity with Docker, CI/CD, and Linux server administration
  • Git-based collaborative development

Bonus points for

  • Experience with voice AI platforms (Retell AI, Vapi, ElevenLabs)
  • n8n, Zapier, or Make workflow automation
  • LangChain / LangGraph
  • WhatsApp Business API or ManyChat
  • Multi-tenant SaaS architecture
  • CRM integrations (Pipedrive, Salesforce, HubSpot)

Communication Requirements (Important)

Excellent written and spoken English is mandatory. You will interact directly with clients in the US, Canada, UK, Australia, and the GCC — through Slack, email, Loom videos, and live calls. We need someone who can:

  • Explain technical concepts clearly to non-technical stakeholders
  • Write professional client-facing emails, proposals, and documentation
  • Lead discovery calls and walk clients through demos confidently
  • Respond to client feedback with clarity and professionalism

If English communication is not a strong point for you, this role is not the right fit.

What We Offer

  • Competitive salary based on experience
  • Exposure to cutting-edge AI projects and international clients
  • Flexible working arrangements (on-site or hybrid)
  • Opportunity to grow into a senior or lead role
  • Direct mentorship from the founding team
  • Performance-based bonuses

How to Apply

Send your application with:

  • Updated CV/resume

Job Type: Full-time

Pay: Rs100,000.00 per month

Work Location: In person

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