Nivyan ButtSenior Full-Stack Engineer · AWS Certified
Profile

Senior Full-Stack Engineer, AWS Certified Solutions Architect, building AI-integrated products across fintech, healthcare, and automotive. Led teams shipping LLM-driven systems at millions-of-records scale for enterprise clients.

Professional Experience

Senior Software Engineer

Arithmiks⁠
2022 – Jul 2026 | Lahore, Pakistan

Qareeb | Full-Stack Engineer⁠ (Dec 2025 - March 2026)

Bilingual (Arabic/English) platform for automated transcription and AI-driven insight extraction.

  • •Built various full-stack features, including a responsive RTL/LTR layout system to support seamless bilingual UI/UX.
  • •Integrated Nylas API to build a high-performance internal calendar system, streamlining meeting scheduling and automated bot deployment.
  • •Ensured cross-browser compatibility across Chrome, Firefox, and Safari using Playwright E2E testing.
  • •Technologies: React, Node, Playwright, MSW, i18next, Zod, Better Auth, Drizzle, Docker, Nylas, Listmonk

    • AI-powered loan management ecosystem orchestrating secure workflows for 200+ brokers and lenders.

  • •Architected a multi-tenant system with granular RBAC, ensuring SOC 2-compliant access and security for lenders and borrowers.
  • •Engineered an AI-driven fraud detection engine using an LLM to score high-risk applications and match borrowers with optimal loan products.
  • •Automated document extraction by integrating AWS Textract, reducing manual processing time by 70%.
  • •Optimized complex state management using Redux to handle data-heavy loan application workflows and real-time UI updates.
  • •Technologies: Next.js, Tailwind CSS, Redux, Django, PostgreSQL, AWS Textract, LLM APIs, JWT, Docker

    • High-scale lead generation platform connecting 50+ dealerships with data-driven purchase insights.

  • •Directed a team of 2 engineers to architect a high-scale marketplace, managing the full SDLC and end-to-end delivery for 50+ enterprise dealerships.
  • •Engineered a high-performance frontend architecture using Next.js, optimizing data-fetching and rendering for 7M+ vehicle records.
  • •Translated business requirements into technical roadmaps, delivering a conversion-optimized UX that generated 15+ dealer sales in the first month.
  • •Architected real-time data visualizations using Chart.js and WebSockets to provide dealerships with live stats and lead tracking.
  • •Technologies: Next.js, Tailwind CSS, Slate.js, Chart.js, Django, PostgreSQL, AWS S3, WebSockets

  • •Engineered a browser-based CAD tool using KonvaJS, increasing design efficiency by 60% and reducing calculation errors by 85%.
  • •Developed complex vector-based features and automated PDF blueprint generation for 500+ daily active users.
  • •Conducted code reviews and maintained CI/CD pipelines to enforce engineering best practices across a remote team.
  • •Technologies: React.js, TypeScript, KonvaJS, Redux, PdfJS, DND Kit, Styled Components, Django.
    • Projects

    Quanta⁠

    AI-Powered Data Analytics & Dashboard Engine
    Mar 2026 – Jul 2026

    Full-stack platform turning raw SQL databases into AI-driven visual insights.

  • •Built an LLM-powered NL-to-SQL interface, letting non-technical users query complex databases in plain English.
  • •Architected a customizable dashboard engine with real-time widgets and a multi-tenant, secure connection layer.
  • •Technologies: Next, FastAPI, PostgreSQL, LLM APIs

    • Promptly

    AI Product Architect — Spec Generation Platform
    Mar 2026 – Present

    Multi-agent platform that interviews founders and converts conversation into an engineering-grade spec: modules, dependency graph, living PRD.

  • •Architected 16 metered AI agents under a strict "AI proposes, code decides" boundary — zero direct state mutation, all output validated and cycle-checked server-side.
  • •Built a 4-gate cost guard with per-call ledger across 4 models, making runaway spend structurally impossible.
  • •Engineered a horizontally scalable real-time layer — Redis pub/sub across 4 WebSocket rooms, zero in-process shared state.
  • •Technologies: FastAPI, Next.js, React, PostgreSQL, Redis, Anthropic SDK
    • Certificates
    AWS Certified Solutions Architect

    Validated expertise in designing scalable, secure, and cosoptimized cloud architectures on AWS.

    Education

    Bachelors of Science in Computer Science

    National University of Computer and Emerging Sciences
    2019 – 2023 | Lahore, Pakistan
    Skills
    Technologies

    AI & ML: LLM Integration, Prompt Engineering, RAG, AWS Textract, Computer Vision (OpenCV), Pandas, NumPy

    Languages: JavaScript, TypeScript, Python, Java, SQL

    Frontend: React, Next.js, Redux, Tailwind CSS, Three.js / WebGL, KonvaJS

    Backend: Node.js, Django, Flask, Express, RESTful APIs, WebSockets, GraphQL, Drizzle, Prisma

    Databases: PostgreSQL, MongoDB, BigQuery

    DevOps & Cloud: AWS (Solutions Architecture, S3, EC2, Textract, IAM), Docker, NGINX, CI/CD, Playwright

    Auth & Security: OAuth, JWT, RBAC, SOC 2 compliance

    Tools

    Git, GitHub, Notion, Postman, VS Code, Figma, Jira, Shortcut, Trello