Hello, I'm
Sundas Arooj
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A passionate software engineer with extensive experience in building scalable backend systems, AI-powered solutions, and innovative web applications that solve real-world problems.
My Introduction
About Me
I am a Software Engineer specialized in backend architecture and AI systems, with extensive experience in MERN/MEAN stack development. My expertise lies in crafting scalable applications using Next.js, Node.js, and Express, with a focus on microservices architecture.
I excel in building distributed systems with FastAPI and Node.js, with expertise in SQL and NoSQL database architectures. My recent work involves building AI-powered applications using LLMs and RAG, creating intelligent systems that drive business value.
My full-stack background, coupled with expertise in GenAI projects, enables me to build powerful end-to-end solutions. I'm particularly passionate about optimizing backend performance and creating innovative AI solutions.
Download ResumeMy Technical Expertise
Skills
Frontend
Backend
AI & ML
Mobile
DevOps & Tools
My Professional Journey
Experience
Senior Full Stack Engineer
OPTIKKA
- •Implemented resilient workflow execution with retries and recovery to reliably process high-volume assets.
- •Developed LLM/VLM pipelines to generate image metadata and intelligently map assets to brands.
- •Owned full-stack development for Next.js frontend and Node/Express + Python Lambda backend, including deployment and cloud infra for production systems serving enterprise clients including ESPN.
- •Built reusable templates for image pipelines, enabling consistent execution across new renderers.
- •Automated complex data ingestion using LLM-based CSV parsing and validations.
- •Enhanced frontend UX, testing, and infrastructure reliability, boosting developer productivity.
Technologies:
Co-Founder
Bite Buddy AI
- •Led the development of an AI-powered restaurant ordering system spanning voice, SMS, and web, reliably handling the vast majority of inbound orders, significantly reducing missed revenue.
- •Scaled the platform from early pilots to 10 recurring-paying restaurants across Texas, Boston, and South Carolina.
- •Integrated with leading POS platforms including Square, Toast, Clover, Olo, and many more to enable real-time menu, order, and inventory synchronization.
- •Built a restaurant-facing mobile KDS solution with native support for Star and ESC/POS-compatible Epson printers, enabling auto-routing of orders to kitchens.
- •Designed and operated a low-latency custom voice orchestration layer (burki.dev) achieving consistent sub-second response times.
- •Supported expansion into enterprise and multi-location restaurant groups, covering both ordering and reservation workflows.
- •Drove steady MRR growth while processing $K+ monthly order volume and reducing avg order time to <1 min via automated, analytics-driven workflows.
- •Owned end-to-end platform: FastAPI, Python, PostgreSQL, NextJS, React Native Expo, Twilio, Burr.
Technologies:
Lead Software Engineer
Share Mobility
- •Optimized database performance by refining SQL queries and implementing indexes, ensuring faster response times and system reliability during peak hours.
- •Developed AI-driven booking solutions, automating ride scheduling, rescheduling, and cancellations with a 90% accuracy rate across multiple channels, including voice and SMS.
- •Engineered a Bulk Trip Creation system, allowing users to upload CSV files to create trip requests in bulk, streamlining large-scale operations and improving efficiency.
- •Resolved critical routing bugs, reducing production issues by 98% and significantly improving system stability and reliability.
Technologies:
Full Stack Developer
NetSwift
- •Developed and documented RESTful APIs and full stack applications using React, Node.js, Express.js, and MongoDB, ensuring scalability and efficient cross-platform operations.
- •Integrated third-party services like Stripe, PayPal, and Twilio for seamless payments and communication, enhancing user experience.
- •Built an AI-powered image recognition feature to analyze images and automatically generate alt text, improving accessibility and SEO.
- •Implemented CI/CD pipelines and deployed applications on Heroku, ensuring smooth development workflows and reliable production releases.
Technologies:
Web Developer
Simple Solutionz
- •Designed and developed dynamic web applications using React.js and custom WordPress configurations, catering to medical and e-commerce clients.
- •Integrated payment gateways and third-party APIs, enabling secure transactions and enhanced functionality tailored to business needs.
- •Managed website migrations and implemented security enhancements, ensuring data integrity and protection against vulnerabilities.
- •Developed custom solutions and features, optimizing performance and improving user experience for diverse client requirements.
Technologies:
My Recent Work
Projects
AI Voice & Chat Assistant
AIDeveloped an intelligent assistant using OpenAI that handles customer ride bookings, cancellations, and special requests through voice, SMS, and in-app channels with 90% accuracy.
ScholarBot
AIAn intelligent document Q&A assistant that allows users to upload documents (PDF/Word) and ask questions about their content. Built with FastAPI and LangChain, it uses advanced language models and vector search.
Get in Touch
Contact Me
Let's Talk About Your Project
I'm interested in full-time opportunities and freelance projects involving AI solutions, backend development, and innovative web applications. If you have a project that needs expertise in these areas, don't hesitate to reach out.