Abu Jafor (Soyad Abu Jafor Md. Saleh)
Backend & DevOps Engineer
Abu Jafor (Soyad Abu Jafor Md. Saleh)
Building Scalable Backend & DevOps Systems
Backend & DevOps Engineer specializing in Python, Django, REST APIs, Docker, CI/CD, and AI API Integration (OpenAI & Gemini). Driven by High Availability, Automation, and Reliability.
99.9%
Target Uptime
< 15ms
API Latency
Production
Django & Docker
Abu Jafor
Backend & DevOps Engineer
Architecting Robust Systems with Precision & Purpose
A look into my background, engineering philosophy, and domain specializations.
Abu Jafor (Soyad Abu Jafor Md. Saleh)
Backend & DevOps Engineer (AI API Integration)
With 3+ years of hands-on engineering experience, I specialize in building high-throughput Django & FastAPI backends, robust DevOps & cloud automation (Docker, Nginx, Gunicorn, CI/CD), and integrating AI APIs (OpenAI, Gemini, RAG vector search).
My engineering approach combines deep analytical rigor, server-side reliability, and clean DevOps automation—delivering production-ready, high-availability infrastructure for modern tech ventures.
"To build impactful, scalable software that serves millions of users while advancing innovative technology in healthcare systems, Islamic technology, and high-growth SaaS."
100%
Production Ready
Django & DRF
Core Expertise
Scalable Backend Architectures
Building high-performance REST APIs using Python, Django, DRF, and FastAPI with efficient relational & caching models.
AI API Integration & RAG
Integrating LLM APIs (OpenAI, Gemini), vector search databases, intelligent chatbots, and semantic query routing into backends.
Healthcare & SaaS Platforms
Engineering robust SaaS solutions for healthcare management systems, telemedicine (Bellevie), and AI-powered platforms (SUAAL, Purtrack).
DevOps & Cloud Automation
Containerizing workflows with Docker & Docker Compose, managing Nginx/Gunicorn servers, Linux environments, and CI/CD pipelines.
Subscription & Monetization
Implementing RevenueCat subscription verification, trial management, soft paywalls, and entitlement access control (InfiniQuote).
Real-Time Systems & IoT
Building real-time WebSockets, MQTT device protocols, temperature control logic, and Firebase push notifications (MoreFish).
Engineering Tech Stack Matrix
A comprehensive matrix of backend architecture, database systems, AI tools, and infrastructure technologies.
Python
JavaScript
TypeScript
C++
SQL
Django
Django REST Framework
FastAPI
REST APIs
RevenueCat
Firebase (FCM)
MQTT Protocol
React
Next.js
Tailwind CSS
HTML5
CSS3
PostgreSQL
MySQL
SQLite
Redis
Docker
Docker Compose
Nginx
Gunicorn
Linux
GitHub Actions
CI/CD
DigitalOcean
AWS
Hostinger
Namecheap
OpenAI API
Gemini API
AI Chatbots
Prompt Engineering
Git
GitHub
Postman
VS Code
PyCharm
Figma
Client Projects & Production Backends
A curated portfolio of high-concurrency client systems, telemedicine platforms, AI applications, and SaaS tools.
Bellevie Global Health Service
Telemedicine & Real-time Healthcare Platform
A comprehensive telemedicine web and mobile application featuring real-time video consultations, live WebSocket notifications, asynchronous tasks, and multilingual support.
Key Capabilities & Architecture:
Curiecell
AI Chatbot & Background Task System
An AI-powered client platform featuring a complex authentication system, AI chatbot integration, background task processing queues, and an administrative dashboard.
Key Capabilities & Architecture:
Purtrack
AI Email Extraction & Warranty System
Client SaaS application featuring automated email extraction with OpenAI, automated warranty tracking workflows, real-time user activity analytics, and advanced search.
Key Capabilities & Architecture:
InfiniQuote
AI-Powered Daily Inspiration Platform
Built and maintained the production backend for an AI-powered daily inspiration platform. Engineered scalable REST APIs, 14-day free trial & soft paywall monetization, RevenueCat subscription verification, JWT authentication, user engagement analytics, and Docker cloud deployments.
Key Capabilities & Architecture:
MoreFish
Smart Aquaculture Management System
Production backend for a large-scale smart aquaculture management platform. Developed REST APIs, real-time Firebase Cloud Messaging (FCM), temperature monitoring & adaptive device control, MQTT device communication protocols, and Celery/Redis background queues.
Key Capabilities & Architecture:
Urgent Tread App
AI Image Extraction & Multi-Role Service System
An AI-enhanced multi-role platform integrating image extraction models, smart automated suggestions, real-time Firebase alerts, and subscription monetization.
Key Capabilities & Architecture:
Problem → Solution → Impact & Results
In-depth engineering breakdown of complex backend challenges, system architectures, asynchronous pipelines, and high-availability deployments.
Insurance Platform Engine (BelleVie Health)
Patient Registration, Subscription Management & Access Control
Engineered a high-security Django REST Framework backend with fine-grained RBAC permissions, token-based verification, and containerized deployment infrastructure.
+-------------------+
| Client Frontend |
+---------+---------+
| (HTTPS / JWT Token)
v
+-------------------------------------------------------+
| Django REST Framework |
| [Auth Middleware] -> [RBAC Gate] -> [QR Validation] |
| [Insurance Core] -> [Subscription Engine] |
+-------------------------+-----------------------------+
| (Pooled Connection)
v
+-------------------------------------------------------+
| PostgreSQL Database |
+-------------------------------------------------------+Work Experience
A chronological breakdown of production software development, AI systems, and frontend engineering roles.
Software Developer
DataSoft Manufacturing & Assembly (DMA) • Backend & Systems
Architecting doctor appointment booking systems, telemedicine video consultation platforms, and patient authentication backends.
Key Responsibilities & Deliverables:
Junior Backend Developer
Betopia Ltd (JVAI) • AI & Backend Engineering
Developed AI chatbot backends, email synchronization, automated warranty tracking, and cloud deployment pipelines.
Key Responsibilities & Deliverables:
React.js Developer
Insame Technology Ltd • Frontend & API Integration
Developed frontend systems for School Management, E-Commerce platforms, and NFC Card applications.
Key Responsibilities & Deliverables:
UI/React Developer Intern
ASB Design • Internship
Built responsive user interfaces and implemented modern UI features using HTML, CSS, JavaScript, and React.
Key Responsibilities & Deliverables:
Solutions Tailored for Scale & Performance
End-to-end backend, API, AI integration, and cloud DevOps services engineered for reliability.
Backend Development
Architecting high-throughput, secure server-side applications using Python, Django, DRF, and FastAPI.
Key Deliverables:
API Development
Designing RESTful and GraphQL APIs built for maximum speed, strict schemas, and seamless front-end integration.
Key Deliverables:
AI Integration
Supercharging applications with generative AI capabilities, RAG vector pipelines, and custom knowledge base chatbots.
Key Deliverables:
Cloud Deployment
Deploying production applications to cloud providers with high availability, automated backups, and SSL security.
Key Deliverables:
DevOps & CI/CD
Streamlining software delivery pipelines through containerization, automated testing, and zero-downtime releases.
Key Deliverables:
Database Design
Designing relational database schemas, optimizing complex queries, and establishing caching layers.
Key Deliverables:
System Architecture
Consulting and blueprinting end-to-end backend engineering systems for healthcare, IoT, and SaaS platforms.
Key Deliverables:
GitHub & Problem Solving
Consistent coding activity, open-source repositories, and problem-solving analytics.
GitHub Contribution Grid
@abujafor1924 • Production Commit Log
Problem Solving Profile
Algorithms & Data Structures
Total Solved
380+
Top 15% Global Ranking
Verified Skills & Technical Certifications
Industry-recognized engineering certifications and 3+ years of production experience credentials.
Full-Stack & Backend Engineering
Python, Django, FastAPI & React.js
High-concurrency systems & cloud backend architectures
AI Engineering & DevOps Pipelines
OpenAI, Vector DBs, Docker & Redis
RAG Chatbots, Microservices & Container Deployments
Technical Certifications
3 Verified BadgesReact Developer Certification
Programming Hero (PH)
Status: Verified
Advance Django API Development
Udemy
Status: Verified
DevOps Engineering & Automation
Udemy
Status: Verified
What Tech Leaders Say About My Engineering
"Abu Jafor delivered an exceptionally clean Django REST backend for our healthcare management portal. His attention to database security, role access, and API response speed transformed our clinical workflow."
Omar Tasiq
HealthTech Product Director • BelleVie Health Systems
Let's Build Something Extraordinary
Have a project in mind, need backend architectural consulting, or exploring full-time engineering roles?
Currently taking on select backend architecture projects, AI integrations, and full-time engineering opportunities.
Email Address
soyad.abu.jafor@gmail.com
LinkedIn Profile
linkedin.com/in/soyad-abu-jafor
GitHub Profile
github.com/abujafor1924
WhatsApp / Direct
+880 1906-061620