Dtask
2026Open-source desktop process manager
A cross-platform desktop app that lists every process listening on a port and kills it in one click. Windows/macOS/Linux, contextIsolation locked, MIT licensed.
ElectronReact 19TypeScriptViteTailwind v4
Open to full-time roles & select contract work
Saleheen Noor — Senior Full Stack Developer.I buildproducts thatfeel effortless.
I'm Saleheen — a senior full stack developer shipping production web and mobile apps for clients across Europe and beyond. I care about fast interfaces, clean architecture, and code that still makes sense a year later.
7+Years shipping
100+Projects delivered
20+Technologies
24hReply time
Projects I've shipped for real clients
Every project below is live and clickable. Each one lists what the product does and the stack behind it — click through if you want the code or the running site.
Showing 11 projects
Queryme
2026AI answer engine — cited answers from your own docs
An answer engine that turns a website, docs or knowledge base into an AI assistant that cites every claim. Sources are cleaned, chunked and embedded into a searchable index, then served as a site widget, a REST API, an MCP server or a support form.
Next.jsTypeScriptRAGpgvectorMCPREST API
Attorn
2026AI assistant for UK employment law
An AI assistant called Tom that answers employment-law questions in plain language — notice periods, contracts, pay and holiday, sick leave, pensions, discrimination, disciplinary process and redundancies — flagging what is serious and saying when it is not sure.
Next.jsLLM APIPrompt engineeringVercel
TR Buchhaltung
2026Marketing site — German accounting firm
A German bookkeeping firm needed a site that would pass DSGVO scrutiny and still convert. Delivered a fully German-language site with service pages, FAQ schema and lead-capture CTAs.
Next.jsReactTailwindSEOi18n (de)
Rhein Buchhaltung
2026Marketing site — German accounting firm
A second Buchhaltung brand built on the same system, launched in the same week. Positioning, page architecture and copy were shipped alongside the build.
Next.jsSEOSchema.orgResponsive
Xpresskasse POS
2026Marketing site — restaurant POS platform
A restaurant POS platform site telling the full product story — marketplace orders, payment terminals, kitchen pass and German compliance — in English and German.
Next.jsTailwindi18n (en/de)Responsive
Liefermars
2026Food delivery marketplace — Android & iOS apps
A German food-delivery marketplace app for Android and iOS, built from scratch — restaurant discovery, live menus and a full checkout flow. The Android build is published on Google Play and maintained through live store releases.
AndroidiOSReact NativeREST APIPush notifications
Pandora Network
2025Decentralised peer-to-peer messaging
A messaging product where everyone is a peer rather than a server. Built the client, the real-time transport and the identity model on top of it.
ReactWeb3P2PResponsive
MemePad
2025Instant-messaging web client
A Telegram-style web client with a full KYC onboarding funnel and an admin dashboard for approvals, shipped against a rapid-launch compliance requirement.
ReactTelegram APIKYC flowAdmin
Yumiwok
2026Marketing site — Asian delivery & takeaway
A marketing site for Yumiwok, a German Asian-fusion delivery and takeaway franchise. Built the delivery-area check with address autocomplete, the branch finder across locations, and the German/English locale switch.
Next.jsTailwind CSSDE/EN i18nDelivery-area check
Nova
2026NFT lending, leasing & minting on Polkadot
A non-custodial DeFi suite that makes an NFT productive — borrow against it, lease it out or mint a new one, executed end to end by ink! contracts on Polkadot with no backend and no custodian.
PolkadotSubstrateink! contractsERC-721ERC-20WebSocket RPC
From first pixel to production deploy
I work end-to-end, which means fewer handoffs and nobody owning the gap between design and deployment.
AI & RAG
Retrieval-augmented assistants that answer from your own data and cite their sources — built to say “I don’t know” rather than guess.
LLM APIsRAG pipelinesEmbeddingspgvectorMCP serversPrompt engineering
Web applications
End-to-end product builds — design system, front end, API and deployment.
ReactNext.jsTypeScriptNode.jsPostgreSQLPrisma
Backend & APIs
APIs that stay predictable under load, with auth and data modelling done right.
ExpressPrisma ORMPostgreSQLMongoDBRedisGraphQLWebSocketsJWTPayment gateways
Mobile apps
Cross-platform mobile with in-app updates and OTA rollout built in from day one.
React NativeExpoEAS UpdatePush notifications
Desktop applications
Cross-platform desktop apps that feel native — secure main process, auto-updates and signed builds for Windows, macOS and Linux.
ElectronReactTypeScriptNode.jsAuto-updates
Performance & SEO
Core Web Vitals, semantic markup and structured data — measured, not guessed.
LighthouseSchema.orgImage pipelinei18n
CI/CD & DevOps
Automated pipelines from commit to production — build, test, containerise and ship without a manual step.
GitHub ActionsDockerAWSVercelNginxLinux
Every role, one screen at a time
Keep scrolling. Each position pins to the screen and the next one takes its place — no list to skim through.
Full Stack Developer (MERN)
Liefermars.deFull Time
Jul 2022 — Present4 years 4 monthsLudwigshafen, Germany · Remote
I build and run a multi-vendor food marketplace's Android and iOS apps, and the servers they live on.
- Keep ordering, live menus and payments running in production across both platforms.
- Built the customer apps for Android and iOS from scratch, plus a real-time order terminal for restaurant staff that prints delivery receipts.
- Built the Liefermars POS portal — POS vendors connect their own terminals through it to integrate the Liefermars marketplace, so Liefermars orders arrive straight into their POS.
- Own the release path: AWS EC2 infrastructure, Jenkins pipelines, and the store updates that go out with them.
ReactReact NativeNext.jsNode.jsAWSJenkinsCI/CD
Senior Software Development Engineer
Freelancer.comFreelance
Jan 2019 — Present7 years 10 monthsKarachi, Pakistan · Remote
Client work from brief to delivery: I take the vision, shape the interface, and ship the finished product.
- Turned Figma files and rough wireframes into live, mobile-first builds — no gap between design and production.
- Integrated logins, maps, analytics and payment flows against third-party APIs on live accounts.
- Work continues until the client is happy; most of my contracts come from repeat hires.
Same platform since 2016 — Web Developer first, then React Developer, then this role. Just over ten years of client work in total.
ReactNext.jsVueNode.jsMongoDB
Full Stack Developer (MERN)
OBISTAR Holdings LLCContract
Jul 2024 — Oct 20251 year 4 monthsValencian Community, Spain · Remote
Built and maintained the APIs two frontend teams depended on, plus the SaaS products running on them.
- Created and maintained robust APIs in Node.js and Express, with auth, validation and data modelling right from the first schema.
- Replaced ORPC with tRPC and built a Hono API as the backend service; converted React apps over to Next.js.
- Managed CI/CD pipelines and Hetzner VPS infrastructure, and kept a shared SaaS starter kit current and fully typed.
Node.jsNext.jsTypeScriptPrismatRPCHonoMongoDB
React.js / Vue.js Developer
Aichmey.devFull Time
Sep 2021 — Jun 202210 monthsSilicon Valley, USA · Remote
Frontend architecture for a software testing product and the scheduling tools around it.
- Built the Quickly web application and its Chrome extension — one product surface, shipped as both a website and a browser tool.
- Shipped a standalone meeting scheduler in Next.js — a separate application, not a bolt-on to the main product.
- Built reusable UI components and the React libraries around them — Slide View and Table Grid — on object-oriented programming principles.
- Implemented Vue.js components and reusable functions, carrying the same patterns across the Vue codebase.
- Worked closely with the backend teams — Redux carried the state management on the frontend.
ReactVueNext.jsReduxChrome Extension
React JavaScript Developer
MachoticsFull Time
Jan 2021 — Jul 20217 monthsKarachi, Pakistan · Remote
Admin surfaces and email tooling for a SaaS dashboard.
- Integrated admin and user dashboards with role-based access control.
- Implemented WYSIWYG editors, Google Maps API and drag-and-drop functionality.
- Optimised page load speed, then cleared the cross-browser issues that came with it.
ReactMaterial UIGoogle MapsBootstrap
React JavaScript Developer
BlockVentorsPart Time
Jan 2021 — Jul 20217 monthsKarachi, Pakistan · Remote
Co-founded the product and built its React/Redux client myself.
- Designed and developed React and Redux web applications.
- Implemented centralised Redux state management for blockchain communication.
- Built multiple projects in React for the team, taking each one from the screens through to a shipped build.
- Delivered several blockchain-related projects by coordinating closely with the blockchain developers.
ReactReduxMaterial UI
Web Developer / Accountant
Maxim PakistanFull Time
Oct 2018 — Jul 20201 year 10 monthsKarachi, Pakistan
Web development and bookkeeping in one seat — the company's WordPress sites and the ledgers behind them.
- Maintained the company's WordPress sites end to end — core, theme and plugin updates shipped without breaking live pages.
- Diagnosed and fixed plugin conflicts, broken layouts and slow-loading pages as they came up.
- Maintained bookkeeping, balance sheets, petty cash ledgers, invoices and ERP records.
WordPressHTML5CSS3BookkeepingERP
Assistant Accountant
Ghaziani IndustriesFull Time
Aug 2017 — Mar 20188 monthsKarachi, Pakistan
Where the discipline of exact numbers started.
- Managed bookkeeping, balance sheets and petty cash ledgers.
- Maintained sales and purchase records in Excel, and worked as an assistant manager.
BookkeepingExcel
Front End Developer
interns.pkInternship
Feb 2021 — Mar 20212 monthsRemote
Where the fundamentals were earned — on the Spark React.js track.
- Completed interns.pk's Spark program — HTML5, CSS layout, JavaScript and ES6, then JSX and React components — against 250+ graded challenges.
- Shipped six projects end to end: a leaderboard, a BMR calculator, a quiz app, an expense tracker, a personal profile and a multi-module dashboard.
- Wrote and reviewed markup against HTML5 and CSS3 standards — the habit that still shows in my layouts.
- Certified by interns.pk on completing the capstone.
ReactJavaScriptHTML5CSS3
Tools I reach for
Only tools I've shipped production work with, grouped by where they actually fit.
Languages
JavaScript
TypeScript
HTML5 / CSS3
SCSS
Frontend
React
Next.js
React Native
Redux Toolkit
Jotai
TanStack Query
Tailwind
shadcn/ui
Material UI
Mapbox
Backend & Data
Node.js
Express
Prisma ORM
PostgreSQL
MongoDB
Redis
NoSQL
GraphQL
WebSockets
Zod
JWT Auth
Firebase
Supabase
Neon
Convex
AI & RAG
LLM APIs
RAG pipelines
Embeddings
Vector search (pgvector)
MCP servers
Prompt engineering
Payments
Stripe
PayPal
Mollie
Lemon Squeezy
Tooling
Git / GitHub
Electron
Expo
Vite
Vitest
Playwright
Argent
Desktop & Systems
Electron Forge
Auto-update (Squirrel)
IPC & contextIsolation
Windows/macOS/Linux
DevOps & Infrastructure
GitHub Actions
Docker
AWS (EC2 / S3 / RDS)
Google Cloud
Azure
Vercel
Nginx
Linux
VPS
CI/CD pipelines
Testimonials from past clients
Unedited words from the people I worked with — with the date attached, so you know when each one was written.
“I had the privilege of working with Saleheen on several React/Next.js and Node.js projects, and his technical skills were outstanding. He has a deep understanding of modern MERN technologies and consistently delivering well-structured, efficient code. Beyond his technical expertise, he is a great collaborator, communicates effectively, and always meets deadlines. His problem-solving ability and attention to detail made him a valuable asset to our projects. I highly recommend him for any MERN stack development.”
“I started my work journey with Saleheen, and he helped me in everything. First of all – he is kind, sociable and precise. His work ethics are pristine, and he is easily adjustable to a given situation. As his PM, I can easily say that his expertise as a developer is considerable, and it helped our team come up with more efficient solutions on different projects. He is innovative, organized as well as helpful and is always open to ideas and suggestions. I highly recommend him to any person looking for a software engineer.”
Let's build something
Hiring, freelancing, or just want a second opinion on an architecture? Send a note — I reply within 24 hours.
Emaildeveloper.saleheen@gmail.comPhone+92 321 8961570WhatsApp+92 321 8961570
Based inKarachi, Pakistan · Available worldwide
RésuméView or download