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I’m Muhammad Mobeen, a full stack engineer with 2+ years of experience building and shipping production systems across the MERN stack, distributed payment infrastructure, blockchain protocols, and SaaS dashboards. I enjoy designing reliable APIs, modeling data for performance, and turning complex workflows—like wallet processing and financial dashboards—into clean user-facing products. Most recently, I worked on EnPay, a live multi-chain custodial wallet that handles real user funds across multiple networks, with fault-tolerant deposit/withdrawal pipelines, RBAC-secured REST APIs, and encrypted key storage. Earlier, I helped improve user experience and payment reliability through React performance optimizations and verified webhook processing, and I also built a CPA/accounting SaaS frontend with dashboards, document/PDF generation, and role-friendly workflows.…I’m Muhammad Mobeen, a full stack engineer with 2+ years of experience building and shipping production systems across the MERN stack, distributed payment infrastructure, blockchain protocols, and SaaS dashboards. I enjoy designing reliable APIs, modeling data for performance, and turning complex workflows—like wallet processing and financial dashboards—into clean user-facing products. Most recently, I worked on EnPay, a live multi-chain custodial wallet that handles real user funds across multiple networks, with fault-tolerant deposit/withdrawal pipelines, RBAC-secured REST APIs, and encrypted key storage. Earlier, I helped improve user experience and payment reliability through React performance optimizations and verified webhook processing, and I also built a CPA/accounting SaaS frontend with dashboards, document/PDF generation, and role-friendly workflows.

Muhammad Mobeen

Web Developer, Blockchain Developer, Front-End Developer, +7

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I’m Muhammad Mobeen, a full stack engineer with 2+ years of experience building and shipping production systems across the MERN stack, distributed payment infrastructure, blockchain protocols, and SaaS dashboards. I enjoy designing reliable APIs, modeling data for performance, and turning complex workflows—like wallet processing and financial dashboards—into clean user-facing products. Most recently, I worked on EnPay, a live multi-chain custodial wallet that handles real user funds across multiple networks, with fault-tolerant deposit/withdrawal pipelines, RBAC-secured REST APIs, and encrypted key storage. Earlier, I helped improve user experience and payment reliability through React performance optimizations and verified webhook processing, and I also built a CPA/accounting SaaS frontend with dashboards, document/PDF generation, and role-friendly workflows.…I’m Muhammad Mobeen, a full stack engineer with 2+ years of experience building and shipping production systems across the MERN stack, distributed payment infrastructure, blockchain protocols, and SaaS dashboards. I enjoy designing reliable APIs, modeling data for performance, and turning complex workflows—like wallet processing and financial dashboards—into clean user-facing products. Most recently, I worked on EnPay, a live multi-chain custodial wallet that handles real user funds across multiple networks, with fault-tolerant deposit/withdrawal pipelines, RBAC-secured REST APIs, and encrypted key storage. Earlier, I helped improve user experience and payment reliability through React performance optimizations and verified webhook processing, and I also built a CPA/accounting SaaS frontend with dashboards, document/PDF generation, and role-friendly workflows.

Available to hire

I’m Muhammad Mobeen, a full stack engineer with 2+ years of experience building and shipping production systems across the MERN stack, distributed payment infrastructure, blockchain protocols, and SaaS dashboards. I enjoy designing reliable APIs, modeling data for performance, and turning complex workflows—like wallet processing and financial dashboards—into clean user-facing products.

Most recently, I worked on EnPay, a live multi-chain custodial wallet that handles real user funds across multiple networks, with fault-tolerant deposit/withdrawal pipelines, RBAC-secured REST APIs, and encrypted key storage. Earlier, I helped improve user experience and payment reliability through React performance optimizations and verified webhook processing, and I also built a CPA/accounting SaaS frontend with dashboards, document/PDF generation, and role-friendly workflows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Urdu

Advanced

Work Experience

Frontend Engineer at EveryDayCpa

July 1, 2026 - Present

Developed the frontend for iPacio, a CPA/accounting SaaS platform for US-based accounting firms and their clients, spanning transaction review, tax returns, invoicing, and financial reporting. Built a customizable drag-and-drop dashboard with a widget registry to let users personalize financial overview without code changes. Implemented transaction review and bank-reconciliation workflows with multi-criteria sorting/filtering. Engineered client-side PDF generation for invoices, tax documents, and financial reports using jsPDF. Established and maintained a reusable in-house design system with dark-mode theming across 50+ components.

Full Stack Engineer (MERN + Blockchain) at Boost Teach Agency

October 1, 2025 - June 30, 2026

Architected and shipped EnPay, a production multi-chain custodial wallet handling real user funds across Ethereum, BNB Chain, Polygon, Arbitrum, and Solana, including stablecoin settlement (USDT/USDC). Engineered fault-tolerant deposit/withdrawal pipelines using exponential-backoff retries, idempotent transaction handling, and real-time confirmation tracking. Designed and secured REST APIs in Node.js/Express backed by MongoDB for wallet, transaction, and card domains, enforcing RBAC, JWT session management, and encrypted private-key storage. Integrated Marqeta Virtual Card APIs for crypto-to-fiat card spending with synchronized ledger balances. Built a reusable React component library for wallet dashboards, transaction history, and card management.

Frontend Engineer at Infini8AI

July 1, 2025 - October 31, 2025

Reduced bounce rate by re-architecting the React UI with route-level code splitting, lazy loading, memoization, and render-path optimization. Improved Stripe payment success rate by implementing structured error handling, automatic retry workflows, and signature-verified webhook processing for reliable payment state reconciliation. Translated Figma design systems into production React interfaces with responsive feature modules while maintaining pixel fidelity across devices.

MERN Stack Developer at Infini8AI

July 1, 2025 - Present

Designed and developed responsive UIs for all devices, reducing mobile bounce rate by 35%, and integrated secure payment methods (Stripe) into the frontend to improve transaction success rate. Worked on AI-powered frontend features, enabling intelligent and interactive user experiences. Collaborated with UI/UX designers and backend teams, delivering projects PAPU.AI and DATA.LUMIO.

MERN Stack Developer at CryptoKoder

July 1, 2025 - Present

Developed and integrated RESTful APIs (Auth, CRUD operations), ensuring 99.9% uptime and scalable communication between frontend & backend systems. Led frontend architecture for a React-based blockchain app enabling secure Digital Will creation, improving UX satisfaction by 40%. Built backend logic with Node.js + Express for multi-role user panel (Admin, Manager, User), ensuring secure data storage & blockchain interaction. Implemented RBAC and Gem Wallet integration for secure on-chain transactions, boosting data integrity by 30%. Spearheaded development of a decentralized fundraising DApp (Solidity, ERC-20), helping creators raise and distribute ICO tokens seamlessly. Gained deep hands-on experience in MERN stack, Solidity, API design, Git workflows, and performance-focused frontend engineering.

MERN Stack Developer at CryptoKoder

June 1, 2025 - September 16, 2025

Developed and integrated RESTful APIs (Auth, CRUD operations), ensuring 99.9% uptime and scalable communication between frontend & backend systems. Led frontend architecture for a React-based blockchain app enabling secure Digital Will creation, improving UX satisfaction by 40%. Built backend logic with Node.js + Express for multi-role user panel (Admin, Manager, User), ensuring secure data storage & blockchain interaction. Implemented RBAC and Wallet integration for secure on-chain transactions, boosting data integrity by 30%. Spearheaded development of a decentralized fundraising DApp (Solidity, ERC-20), helping creators raise and distribute ICO tokens seamlessly.

Full Stack & Blockchain Developer at CryptoKoder

May 1, 2024 - June 30, 2025

Delivered multiple full-stack decentralized applications end-to-end using React, Node.js, Express, and MongoDB, including authentication and multi-role user management. Optimized backend read performance by redesigning MongoDB schemas and introducing compound indexes on high-traffic query paths. Developed and deployed Solidity smart contracts for ERC-20 token issuance and ERC-721 NFT minting workflows. Implemented wallet-based authentication with MetaMask/GemWallet using signature verification. Built IPFS-backed decentralized document storage with on-chain permission enforcement for tamper-proof access control.