Bilal Saleem

Full Stack & AI Engineer specializing in scalable backend architectures and Agentic AI.

Based in: PakistanCurrently: Full Stack Developer, SplenifyExperience: 1 year

A result-oriented Computer Science undergraduate with a 3.9 CGPA, proficient in building production-ready applications using Nest.js, React, and PostgreSQL. He excels at integrating AI-driven automation and secure authentication pipelines to deliver clean, maintainable software solutions.

Experience

Full Stack Developer

SplenifyworkMay 2026 – Present

Summary

Develop and maintain multiple production-ready full-stack web applications using Nest.js, PostgreSQL, React, and TypeScript. Design and implement backend services, REST APIs, database schemas, authentication flows, and business logic using Nest.js and PostgreSQL. Integrate OpenAI, Stripe, Redis, Docker, JWT, OAuth, BullMQ, and Socket.IO where required

Results

Built client applications for an expected user base of 10 to 15 thousand users
Handled about 1 to 2 thousand concurrent requests or jobs per second during peak times

Nest.jsPostgreSQLReactTypeScriptOpenAIStripeRedisDockerJWTOAuthBullMQSocket.IO

Intern

CitrusBitsinternshipJul 2025 – Aug 2025

Architected scalable RESTful APIs utilizing Nest.js and PostgreSQL to support core backend service features. Engineered predictive data models using Scikit-learn and TensorFlow, integrating machine learning pipelines with backend endpoints. Optimized database queries and schema designs in PostgreSQL, improving data retrieval efficiency during development cycles.

Nest.jsPostgreSQLScikit-learnTensorFlow

Skills

Technical

Express.js

Postman

React

Git

JavaScript

TypeScript

JWT

HTML5/CSS3

SQL (PostgreSQL)

Node.js

Nest.js

Multi-Provider OAuth 2.0

Python

Next.js

Bootstrap

MongoDB

OpenAI APIs

NumPy

Pandas

TensorFlow

Redux

Stripe

Agentic AI

FAST APIs

RAG

Docker

Scikit-learn

LangGraph

Redis

BullMQ

Fine-tuning

Projects

Clinical Appointment System

Backend Developeracademic

Designed a secure backend system handling clinical scheduling, patient records, and doctor workflows. Integrated Google Calendar API via OAuth 2.0 to automate real-time appointment syncing and minimize schedule conflicts. Implemented automated email notification triggers using Node.js backend queues to streamline patient communication.

Nest.jsPostgreSQLTypeScriptOAuthGoogle Calendar APINode.js

Car Dealership Platform

Full Stack Developerpersonal

Built a full-stack e-commerce marketplace allowing users to securely list, browse, and purchase vehicles via verified agent tiers. Developed robust user authentication using JWT and built scalable CRUD operations for dynamic vehicle inventory management.

ReactNode.jsExpress.jsMongoDBJWT

Resorts Web Application

Full Stack Developerpersonal

Architected a responsive full-stack listing platform enabling users to seamlessly browse dynamic resort properties, read detailed reviews, and submit verified user feedback. Integrated third-party APIs to fetch and render real-time external data, enriching the user experience with accurate localization or pricing details.

Node.jsExpress.jsMongoDBJavaScriptBootstrap

Stocks Pricing Model Fine-tuning

personal

Fine-tuned a machine learning model for stock pricing using a dataset of around 1 lakh data rows containing detailed information about a particular stock.

MLDL

Education

Bachelor of Computer Sciences

Comsats University IslamabadComputer SciencesGPA 3.92023 – 2026

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Bilal's twin is AI, it can make mistakes.

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