Hi, I am
SM Sayef
Software Developer
I’m a full-stack developer focused on high-performance, scalable apps. On the frontend I work with JavaScript/React, and on the backend with Django, DRF, and PostgreSQL. I care about clean, robust, and user-centric solutions that connect business goals to modern technology.
Brands That Trust Us for Their Digital Commerce Solutions
Explore the brands who choose us for their unique business journey
AI-Enhanced Digital Wallet: Gxchange
React • Node.js/NestJS • PostgreSQL • Kafka • OpenAI API • Web3/EVM (where applicable)
Gxchange blends payments with intelligent insights—categorization, anomaly detection, and smart budgeting. Users get proactive nudges, spend summaries, and automated workflows for routine finance tasks.
WiseBrain Core: Insights & Automation
Python • FastAPI • Airflow • PostgreSQL • Redis • OpenTelemetry • RAG Pipelines
The WiseBrain platform powers actionable insights across domains—connecting data sources, orchestrating LLM/RAG pipelines, and automating decisions to improve CX and operational efficiency.
AI-Powered E-commerce: Upfrica
Next.js • React • Python • FastAPI • PostgreSQL • Redis • OpenAI API
Upfrica leverages WiseBrain’s AI engine for product enrichment, demand forecasting, and personalized recommendations. Automated insights reduce manual ops while boosting discovery and conversion across the catalog.
AI-Driven Social Interface: TryTales
React • Next.js • WebSockets • Django • DRF • Vector DB (FAISS/pgvector) • OpenAI API
TryTales uses conversational AI to power creation, curation, and moderation. Real-time feeds are ranked with embeddings and feedback loops, while assistants help users draft and summarize content.
Core Skills
Django & DRF (Backend)
- • Token/JWT auth, permissions, throttling
- • Celery + Redis for scheduled tasks
- • Channels/Daphne for real-time
React (Web)
- • Server components & data fetching
- • Local/session storage patterns
- • Reusable UI & accessibility
Deployments
- • Nginx reverse proxy, SSL, health checks
- • Gunicorn/Daphne process models
- • Containerization & env configs
Data & State
- • Redux/RTK store design & caches
- • PostgreSQL schema & indexing
- • API contracts & error models
Version Control
- • Feature branching & code reviews
- • Conventional commits & releases
- • Merge, rebase, and conflict strategies
LangChain & LLMs
- • Prompt engineering & templates
- • Fine-tuning & training strategies
- • Integration with existing workflows
N8N Automation
- • Workflow design & optimization
- • API integrations & webhooks
- • Error handling & retries
Learning Next
TypeScript (Web & RN)
- • Typed DTOs & API models
- • Strict hooks/props in RN
- • Gradual migration
Testing & Quality
- • Jest + RTL (UI)
- • PyTest (services)
- • Coverage in CI
CI/CD (GitHub Actions)
- • Build/test matrices
- • Preview deployments
- • Release automation
Cloud (AWS fundamentals)
- • EC2/S3/RDS & IAM
- • Secrets mgmt
- • Cost-aware design
Security & Blue Team
- • N+, Sec+, SC-200 basics
- • Hardening & logging
- • Threat modelling
Open to recommendations aligned with business impact and measurable outcomes.
Happy & Satisfied Faces
Here's what some of my satisfied clients have to say about my work
Built a rock-solid Telegram bot for our DeFi token alerts. Ahmed nailed the API integration and even suggested key upgrades. Efficient, reliable—top-notch work.
Ahmed Reza
Crypto Entrepreneur, Australia
Let’s Start the Conversation
Your needs and questions are important; let’s develop the best solutions together.