Kaif Saleem

Software Engineer (Backend & AI Systems).

I build the blade. Others admire the shine.

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  • C

    Cubosquare Pvt Ltd

    Software Engineer (Backend & AI Systems)

    • Continuing work on scalable, multi-tenant SaaS platforms using NestJS and PostgreSQL.
    • Designing and maintaining real-time systems using WebSockets and gRPC for production workloads.
    • Building and optimizing LLM-powered AI agents with RAG pipelines using LangChain and Qdrant.
    • Collaborating on system design decisions around microservices, data isolation, and performance optimization.
  • C

    Cubosquare Pvt Ltd

    Backend Engineer Intern

    • Designed and implemented scalable multi-tenant backend architectures using NestJS and PostgreSQL.
    • Built real-time systems using WebSockets and gRPC for low-latency, bidirectional communication.
    • Developed LLM-powered AI agents using RAG pipelines with LangChain and Qdrant for context-aware responses.
    • Contributed to microservice-based system design with a focus on performance, isolation, and maintainability.
  • A

    Androcoders

    UI Intern

    • Built responsive and production-ready user interfaces using React, TypeScript, and Tailwind CSS.
    • Worked with Next.js and Vite to develop modern frontend applications with optimized build performance.
    • Implemented form validation and state management using React Hook Form.
    • Contributed to real-time dashboards and AI-driven user interfaces.

featured projects

Portfolio

Portfolio

A modern, responsive personal portfolio website showcasing my projects, skills, and contact information. Built to highlight my web development journey and provide an interactive user experience.

Framer MotionNext.jsRedis UIShadcn UITailwindCSSlucid-react-icons
Source CodeWebsite
Banger

Banger

A Progressive Web App that brings the power of search engine bang shortcuts to your browser. Search multiple engines with simple commands and work offline with local storage.

DuckDuckGo BangsLocal StorageNext.jsProgressive Web AppRadis UITailwindCSS
Source CodeWebsite
Awesome Qr

Awesome Qr

A modern, multilingual QR code tool for reading, generating, and managing QR codes directly in your browser.

Gemeni APILangChainNext.jsPineconeShadcn UITailwindCSS
Source CodeWebsite
Mdewer

Mdewer

A sleek markdown viewer web application that allows users to preview and interact with markdown files directly in the browser, supporting various themes and responsive design.

ReactTailwindCSSVitereact-markdownremark-gfm
Source CodeWebsite
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GitHub Activity

Core Technologies

TypeScript logoTypeScript
JavaScript logoJavaScript
Node.js logoNode.js
NestJS logoNestJS
React logoReact
Next.js logoNext.js
Vite logoVite
Tailwind CSS logoTailwind CSS
PostgreSQL logoPostgreSQL
MongoDB logoMongoDB
Redis logoRedis
GraphQL logoGraphQL
REST APIs logoREST APIs
WebSockets logoWebSockets
gRPC logogRPC
LangChain logoLangChain
Qdrant logoQdrant
OpenAI API logoOpenAI API
Docker logoDocker
Linux logoLinux
Portainer logoPortainer
Proxmox logoProxmox
MinIO logoMinIO
Git logoGit
VS Code logoVS Code

Key technologies I utilize in development.

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