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Touseef Ur rehman

@touseefurrehman

Backend Lead at PoshEnterpriseinc (Ogoul Technology), developing a Twitter/X-style platform with encrypted messaging and event-driven media processing.

Pakistan

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At PoshEnterpriseinc (Ogoul Technology), I lead development of a Twitter/X-style enterprise social platform. I built REST APIs, encrypted real-time messaging, and an event-driven media pipeline, and optimized the news feed response time to 200–300ms.

At Turing, I contributed to RLHF workflows for code-generation models. I designed adversarial and edge-case prompts and evaluated model outputs for instruction-following, accuracy, and code correctness.

At Softech Systems Limited, I contributed to KT Messenger and WNSocial, including real-time messaging and calling features. My project work also includes Werfie, a social platform with RabbitMQ-powered background workflows, and Spaceloud, a music marketplace with Stripe payments and influencer payouts.

Experience

Work history, roles, and key accomplishments

Current

Backend Lead

Current

PoshEnterpriseinc (Ogoul Technology)

Jul 2023 - Present (3 years 3 months)

Led development of an enterprise social media platform using Node.js, Nest.js, Laravel, and React.js with event-driven architecture and RabbitMQ messaging. Optimized news feed performance to 200-300ms response time and integrated AI-powered content moderation.

NodeJS ExpressJS NestJS Laravel React MySQL PostgreSQL RabbitMQ Socket.IO FFMPEG AWS Lambda Step Functions Redis Cloudflare R2 Firebase Cloud Messaging Google Translate API

LLM Trainer (AI Training)

Turing

Apr 2024 - Aug 2024 (4 months)

Contributed to RLHF workflows for LLMs focused on code generation, designing adversarial prompts and evaluating model outputs for correctness and efficiency. Collaborated on prompt engineering and dataset curation to improve model alignment.

RLHF LLM Prompt Engineering Code Generation Model Evaluation JavaScript Python C++SQL

SSE (Full Stack Developer)

Softech Systems Limited

Apr 2021 - Jun 2023 (2 years 2 months)

Developed backend and frontend for KT Messenger and WNSocial, implementing real-time features like chat, voice/video calls, and notifications using WebRTC and Socket.IO. Built scalable APIs with Node.js and Laravel for high user loads.

NodeJS ExpressJS Laravel MongoDB MySQL React WebRTC Socket.IO Git Agile

Software Engineer (Full Stack Developer)

Coding Pixel

Dec 2018 - Apr 2021 (2 years 4 months)

Developed full-stack web applications using Laravel, PHP, MySQL, and Vue.js, integrating third-party services like Stripe, PayPal, and Google Maps. Implemented real-time features and payment systems for multi-vendor marketplaces.

Laravel PHP MySQL Vue.Js Socket.IO Stripe PayPal Google Maps Vonage

Education

Degrees, certifications, and relevant coursework

365 Careers (Udemy)

The AI Engineer Course 2026: Complete AI Engineer Bootcamp, Artificial Intelligence

Completed the AI Engineer Course 2026: Complete AI Engineer Bootcamp, covering LLM-powered applications, LangChain, OpenAI API, prompt engineering, fine-tuning, and RAG.