AR
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Available for opportunities

Backend Developer

Hi, I'm Abdul Rehman — I build scalable, secure multi-tenant SaaS & ERP systems with Django, FastAPI & Odoo.

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Years experience

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Production projects

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Retail deployments

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PythonDjangoFastAPIDRFPostgreSQLDockerCeleryRedisOdoo PythonDjangoFastAPIDRFPostgreSQLDockerCeleryRedisOdoo
01 — About

Engineering reliable backends that scale under pressure.

I'm a Backend Developer with 2+ years of experience building multi-tenant SaaS and ERP platforms. I specialize in designing clean REST APIs, hardening authentication & security, and keeping production systems healthy.

From AI-driven sales forecasting platforms to offline POS systems deployed across retail clients, I focus on code that's reliable, observable, and maintainable — backed by tools like Splunk & New Relic.

Location

Bahawalpur, Pakistan

Focus

APIs · SaaS · Security

Education

B.S. Software Engineering, IUB

abdul@dev ~ python
class AbdulRehman(BackendDeveloper):
    role        = "Backend Developer"
    location    = "Bahawalpur, PK"
    stack       = ["Django", "FastAPI", "Odoo"]
    databases   = ["PostgreSQL", "MySQL"]
    devops      = ["Docker", "Celery", "Redis"]

    def build(self, idea):
        return ship(secure(scalable(idea)))
02 — Experience

Where I've made impact.

Backend Developer

Mar 2024 — Present

Enigmatix Software House · Bahawalpur

  • Designed & maintained RESTful APIs with DRF & FastAPI for multi-tenant systems serving large enterprise customers.
  • Debugged live production issues via log analysis, shell-level investigation & root-cause tracing.
  • Monitored system health using Splunk & New Relic; integrated Okta / SSO-SAML auth flows.
  • Owned Jira tickets end-to-end — from debugging to deployment — in a distributed team.

Backend Developer External

Aug 2025 — Nov 2025

Systems Limited (via Enigmatix) · Remote

  • Built the authentication & security service for a School Board Management System.
  • Delivered FastAPI APIs for registration, login & verification with validation, input sanitization & abuse-prevention.
  • Recognized by the client team for code quality, reliability & consistent delivery.
03 — Selected Work

Projects I'm proud of.

02Odoo

Pharmacy POS

Offline pharmacy POS for medical-store retail — deployed across 3+ clients.

  • Pack-based inventory & tax-inclusive pricing logic.
  • Keyboard navigation, fast product search & thermal receipts.
OdooPythonDocker
03Odoo

Restaurant POS

Offline restaurant POS supporting multi-branch retail operations.

  • Timezone-aware sales & session reporting modules.
  • Offline license validation & renewal workflows.
OdooPostgreSQLDocker
04 — Toolkit

Technologies I work with.

Languages

PythonSQL

Backend

DjangoDRFFastAPIOdoo

Databases

PostgreSQLMySQLSQLite

DevOps

DockerCeleryRedis

Auth & Identity

SSO / SAMLOkta

Monitoring & Tools

SplunkNew RelicGitPostmanConfluence
05 — Contact

Let's build something great together.

Open to backend roles & freelance projects. Drop me a line — I reply fast.

abdulrehmanshafy101@gmail.com