Developer & Engineer

Hey, I'mAfeef Rehman

Afeef Rehman

Backend engineer who builds things people actually pay for. I've shipped multi-tenant SaaS platforms, payment integrations, and ETL pipelines that move 200M+ records without falling over — currently doing it professionally, and for fun, on the side.

Users served
1,000+
"Actual humans. Not localhost."
Records processed
200M+
"ETL pipelines, not spreadsheets"
Servers on fire
0
"Docker keeps things contained"
API uptime
99.9%
"The 0.1% was DNS, I swear"
01

About Me

Backend engineer specializing in scalable SaaS systems, data pipelines, and the shift toward agentic, AI-driven automation.

Available for Projects & Hiring
afeef.dev/profile
Afeef Rehman
AFEEF REHMANBENGALURU, IN
Specialty
Full-Stack MERN
Exploration
Machine Learning
STATUS: ACTIVELY BUILDING2026 ROADMAP
Philosophy & Engineering Drive

Engineering Backend Systems That Scale, Automate, and Think.

I'm a backend engineer who cares about what happens after the demo — real users, real payments, real data at scale. I build production-grade APIs, multi-tenant SaaS systems, and ETL pipelines handling 200M+ records, and I'm now extending that into agentic AI — autonomous workflows that reason and act, not just respond.

✦Production-Grade Backends

Multi-tenant SaaS platforms, secure payment integrations, and RBAC systems built to hold up under real user load — not just pass a demo.

✦Agentic & Data-Driven Systems

ETL pipelines and workflow orchestration at scale, now evolving toward agentic AI — autonomous agents and LLM workflows that automate real decisions, not just tasks.

“

"My code has no bugs, just undocumented features." — Balancing disciplined software engineering with creative flair and humor.

Engineered Skill Matrix

Multi-disciplinary technical stack organized across AI systems, core application engineering, distributed databases, and cloud infrastructure.

⚡AI & Generative Engineering
AI-GEN-01

Agent orchestration, contextual augmentation & vector similarity.

LangChainLangGraphRAG (Retrieval-Augmented Generation)Vector EmbeddingsVector Databases & Similarity SearchPrompt Engineering & Agent Workflows
6 CompetenciesCutting-Edge
{ }Programming Languages
LANG-02

Multi-paradigm programming for algorithmic speed & services.

PythonJavaScript (ES6+)JavaPHP
4 CompetenciesCore Fluency
◫Frontend Engineering
FRONT-03

Server-rendered pages, kinetic motion, and responsive component trees.

React.jsNext.jsTailwind CSSFramer MotionState Management & Responsive Design
5 CompetenciesReactive UI
⇄Backend & APIs
BACK-04

Clean API boundaries, asynchronous pipelines, and secure auth.

Node.jsExpress.jsREST APIsAPI Security & RoutingServer-Side Architecture
5 CompetenciesHigh Throughput
⛁Databases & Data Modeling
DB-05

Structured schemas tuned with deep indexing and optimized query plans.

MySQLMongoDBPostgreSQLDatabase IndexingQuery Optimization
5 CompetenciesACID & Document
⎋Distributed Systems
SYS-06

Resilient node clusters designed for fault tolerance and horizontal scale.

System DesignLoad BalancingHorizontal ScalingCaching StrategiesHigh Availability
5 CompetenciesHigh Availability
⚡Messaging & Caching
CACHE-07

In-memory stores, real-time message streams, and publish-subscribe queues.

RedisRedis StreamsPub/Sub MessagingIn-Memory CachingSession Store Management
5 CompetenciesSub-Millisecond
↻Workflow & Data Engineering
DATA-08

Scheduled ETL workflows, batch transformations, and data ingestion.

Apache AirflowETL PipelinesData TransformationScheduled Workflows
4 CompetenciesAutomated DAGs
☁DevOps & Deployment
OPS-09

Hermetic container environments, Linux automation, and Git workflows.

DockerLinux EnvironmentsGit & GitHubCI/CD Pipelines
4 CompetenciesContainerized

My Educational Journey

2022 — PresentUndergraduate Degree

Bachelor of Technology (B.Tech)

Computer Science and Engineering

Focusing on distributed web architecture, algorithmic optimization, full-stack application development, and applied machine learning.

2020 — 2022Academic Foundation

Pre-University Education

Vyasa International School

Rigorous foundations in physics, mathematics, and early programming principles, building computational problem-solving habits.

0102
SECTION 02 / SERVICES & EXPERTISE
✦AFEEF.DEV

Services & Expertise

Disciplined engineering and sensory digital polish crafted to turn business requirements into reliable, memorable user experiences.

Full-Lifecycle Development
Console 01
01 / 03
server.js● active
1const app = express();
2await connectDB(process.env.MONGO_URI);
3app.use("/api/v1/auth", authRouter);
4app.listen(PORT, () => log("Online"));
SYSTEM DISCIPLINEHigh Performance SaaS
FULL-STACK ARCHITECTURE
AVAILABLE

End-to-End Web Development

Scalable SaaS & Reactive Web Systems

From responsive user interfaces to resilient back-end APIs, I architect production-ready web applications tailored for speed, security, and scalability.

✦ Core Deliverables & Scope
  • ✓Multi-tenant architectures & URL-scoped tenant portals
  • ✓Modern Single Page Apps with Next.js 15 & React 18
  • ✓RESTful & modular API engineering with Express & Node.js
  • ✓Database modeling & aggregation pipelines with MongoDB
ReactNext.jsNode.jsExpressMongoDBTailwind
Inquire Now→
Console 02
02 / 03
Validation Pipeline Metrics
ROC-AUC SCORE
0.942
PRECISION
91.8%
INFERENCE
< 15ms
CLASSIFICATION CONFIDENCE98.4%
SYSTEM DISCIPLINEActionable Intelligence
APPLIED MACHINE LEARNING
AVAILABLE

Data Science & Predictive ML

Data Pipelines & Analytical Models

Uncovering high-value patterns in historical datasets through rigorous data cleaning, feature engineering, and supervised machine learning pipelines.

✦ Core Deliverables & Scope
  • ✓Comprehensive Exploratory Data Analysis (EDA) & clean datasets
  • ✓Time-series trend forecasting with zero lookahead bias
  • ✓Classification pipelines using Scikit-learn (SVM, XGBoost, LR)
  • ✓Model validation via ROC-AUC analysis & confusion matrices
PythonScikit-learnPandasNumPyMatplotlib
Inquire Now→
Console 03
03 / 03
Life Debugger Protocol
BAD CHOICES LOGGED:404
REGRET MITIGATION:99.9%
SANITY QUOTA:Surviving
> AUDIT: Impulsive choice averted. Sleep on it for 8 hours.
SYSTEM DISCIPLINEWork In Progress
EXISTENTIAL LIFE DEBUGGING
AVAILABLE

Unsolicited Life Advice

Expert Guidance On What *Not* To Do

Expert guidance on what *not* to do for a happier life. My track record in avoiding bad decisions is... a work in progress.

✦ Core Deliverables & Scope
  • ✓Pre-emptive crisis avoidance & "Don't send that 2 AM text" audits
  • ✓Rigorous counter-factual post-mortems of questionable life choices
  • ✓Perspective recalibration when minor inconveniences feel existential
  • ✓Hard truths delivered with high empathy, dry wit, and zero judgment
Common Sense (Beta)Hindsight 20/20Trial & ErrorCaffeineExistential Humor
Inquire Now→
Section 03 / Selected Production Work

FEATURED WORKS

A curated collection of commercial SaaS platforms, machine learning pipelines, and high-performance web systems engineered for real-world impact.

Scroll to slide horizontally↓
✦ Featured Projects
Full-Stack Web App01 / 04
Stay Admin

Stay Admin

A multi-tenant SaaS property management suite with URL-based tenant portals, room allocation, automated dues tracking, offline receipt audit, and resident maintenance ticketing.

Tech:React, Node.js, Express, MongoDB, Cloudinary
Status:Live & In Production
E-Commerce & EdTech02 / 04
Smart Kidooz

Smart Kidooz

Direct-to-consumer educational e-commerce platform offering physical tactile learning kits, interactive busy books, and positive parenting guides with gamified streak leaderboards and 1-click Razorpay checkout.

Tech:Next.js, Tailwind CSS, Razorpay, Supabase, Node.js
Status:Live Commercial Platform
AI & Review Platform03 / 04
Instant Reviews

Instant Reviews

High-throughput point-of-sale customer sentiment platform combining automated OCR invoice scanning, multi-language audio voice recordings, and hierarchical role-scoped analytics.

Tech:React, Node.js, OCR, Cloudinary, MongoDB
Status:Live Enterprise System
Machine Learning & Data Science04 / 04
Stock Price Prediction

Stock Price Prediction

End-to-end predictive market intelligence model training Support Vector Classifiers, Logistic Regression, and XGBoost on historical Tesla time-series data with zero lookahead bias.

Tech:Python, Pandas, Scikit-learn, Matplotlib
Status:Open Source ML Pipeline

Contact Me

Let's Talk

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your visions.

LET'S WORK TOGETHER • LET'S WORK TOGETHER •

Contact Info

email

Email

afeef.devworks@gmail.com

phone

Phone

+91 6363722865

Send a Message