Naimat Ullah Khan
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Backend systems and AI agents that run while you sleep

Software Engineer with 3+ years building Python backends, full-stack platforms and production RPA agents — automating healthcare workflows across 50+ insurance payer portals.

PythonFastAPIDjangoReactOdoo 18PlaywrightRobocorpOpenAI GPT-4oAWSDockerPostgreSQLRedis

Production automation without the production chaos.

Built for teams, shipping to production

Why work with me

  1. 50+ Portals Automated
  2. AI + OCR Pipelines
  3. Fault-Tolerant Bots
  4. Microservice Architecture
Insurance payer portals0
Banking portals0
Vision payer portals0
Production RPA agents0

Automation at real scale.

Four production healthcare RPA agents and a shared payer-portal library for Thoughtful.ai — prior authorization, payment posting and claims across 50+ payer portals, 9 banking portals and desktop EHR systems.

Pipeline : auth-letter.pdf
PDF letter
AWS Textract
GPT-4o

            

AI where OCR alone isn't enough.

AWS Textract OCR combined with OpenAI GPT-4o structured-output parsing to pull reliable data out of authorization letters — validated with Pydantic before it ever touches an EHR.

Terminal

Parallel, fault-tolerant bots.

Robocorp work items, batched subprocesses and Redis-based distributed locking with atomic Lua scripts — so parallel bots can safely share portal credentials and recover from failures.

OMS : 6 services Nginx · JWT auth hr attend payroll account projects redis pub/sub PostgreSQL · per-tenant

Multi-tenant microservices.

Helped migrate a Django REST monolith to 6 FastAPI microservices with per-tenant PostgreSQL schemas, shared JWT/tenant verification and Redis pub/sub — shipped with Docker, Nginx and GitLab CI/CD to AWS.

Experience

Shipping production automation since 2024

Enigmatix Pvt Ltd Backend Developer & Automation Engineer Mar 2024 — Present · Bahawalpur, PK
  • Healthcare RPA agents

    Built and maintained 4 production agents and a shared payer-portal library for Thoughtful.ai, automating revenue-cycle workflows across 50+ payer portals, 9 banking portals and NextGen / Acuity Logic.

  • AI document extraction

    Combined AWS Textract OCR with GPT-4o structured-output parsing to extract data from authorization letters when OCR alone wasn't enough.

  • Distributed execution

    Parallel, fault-tolerant bot runs with Robocorp work items, batched subprocesses and Redis-based distributed locking for shared credentials.

  • Multi-tenant SaaS

    Full-stack features with FastAPI microservices, PostgreSQL, Redis, Celery and React/TypeScript micro-frontends.

  • Odoo 18 & POS

    Custom Odoo 18 modules and 40+ REST APIs powering React/TypeScript point-of-sale apps for retail, restaurant and pharmacy clients.

  • Security & integrations

    JWT, TOTP/2FA and RBAC; GraphQL/REST payer APIs, EDI 835, SFTP, Microsoft 365, Google APIs, Slack and AWS S3.

  • Quality & delivery

    Pytest, Mypy, Ruff and pre-commit; shipped through Bitbucket Pipelines and GitLab CI/CD with Docker-based deployments.

Built by Naimat

Powering real workflows across industries

Skills

Education & certifications

Full resume

Feb 2022 — Feb 2026 Degree

BS Information Technology

The Islamia University of Bahawalpur · CGPA 3.2 / 4.0

Sema4.ai Certification

Robocorp Certified Python Automation Developer — Levels 1, 2 & 3

Enigmatix Pvt Ltd Award

Certificate of Appreciation & Achievement — Backend Developer & Automation Engineer