Arslan Arjumand

Senior full-stack engineer with over 5 years of experience building production systems for US, Singapore, and Australian clients. Currently leading development of an AI hiring platform, and previously re-architected a document pipeline that cut processing time on large files by around 98%. Strong in distributed systems, AWS infrastructure, and shipping LLM and RAG features that run reliably in production.

Owns work end-to-end, from architecture and API design through to cloud deployment and performance tuning. Writes about real-world AWS engineering, with articles published in AWS Tip.

Senior Software Engineer - Ragzon Solutions - Lahore, Pakistan (On-Site)

(2023-10)

• Lead development of Jobjen, an AI hiring platform, owning features from the AI core through to the customer-facing product.
• Designed and shipped an AI technical interview system that runs mock interviews, asks follow-up questions, and returns structured feedback, giving candidates realistic practice at scale.
• Developed an AI screening tool that reviews incoming applications and shortlists candidates, cutting manual effort in the most time-consuming hiring stage.
• Engineered an anti-cheat desktop application to keep remote assessments fair, using Electron with a Rust core for system-level monitoring, alongside an AI training portal that scores candidate answers and tracks progress over time.
• Re-architected a medical PDF processing pipeline for a US legal-tech platform, cutting processing time on large documents by around 98% using parallelized AWS Lambda with page-range chunking.
• Built the AI layer on top: OCR and LLM extraction with Claude and OpenAI, plus a RAG-based document chat using OpenAI embeddings and Pinecone for grounded answers.
• Set up zero-downtime multi-branch CI/CD for a car-sharing platform, with each branch auto-provisioning its own subdomain, SSL certificate, and Docker container.
• Owned cloud infrastructure across AWS, GCP, and Railway using Terraform and GitHub Actions; mentored junior engineers through async code reviews and technical documentation.

Software Engineer - Ragzon Solutions - Lahore, Pakistan (On-Site)

(2022-01 - 2023-09)

• Built an image delivery pipeline with AWS S3, CloudFront, and Lambda@Edge, serving on-demand resized images without storing redundant variants.
• Implemented spritesheet-based 360-degree product rotation for smooth, interactive product views in the browser.
• Developed React frontends and Node.js/Express backends deployed across AWS and GCP.

MERN Stack Developer - Vvork Cloud Technologies - Lahore, Pakistan (On-Site)

(2020-11 - 2021-12)

• Delivered a gamified task-management platform with a clean, animation-driven UI and a focus-oriented task flow.
• Built the frontend architecture from scratch using React, Redux, and TypeScript, including a responsive multi-theme design system.
• Worked on-site with designers and backend engineers to ship features end-to-end across Node.js and MongoDB.

B.S. - Computer Science - Virtual University of Pakistan (2018 - 2023)