shimrax

● Polymarket Builder Trading Integration: Architected gasless Safe wallet deployment and trading session initialization using Polymarket RelayClient with unsigned transaction batching; integrated builder relayer for fee-less order execution with remote signing server attribution and full order lifecycle management (market/limit orders, approval flows, claim redemptions). ● Multi-Platform Market Aggregation: Integrated Opinion Labs CLOB SDK and engineered unified data layer supporting 7+ prediction venues (Polymarket, Opinion, Kalshi, Gemini, PredictFun, Limitless) with venue-agnostic filtering and platform-specific column normalization for consistent API contracts ● Analytics Dashboard: Built real-time metrics dashboard querying 20+ Dune SQL queries tracking notional volume, user signups, transaction counts, and platform-specific aggregates; implemented adaptive aggregation (hourly/daily/snapshot) with client-side chart visualization (ECharts, Lightweight Charts). L i ve h ere ● Portfolio & Activity Tracking: Engineered comprehensive P&L analytics page with PnL charts, active/closed positions tables, claim management, and transaction history supporting multi-venue portfolio aggregation with real-time balance sync across Polymarket and Opinion platforms L i ve h ere ● Privy Wallet Authentication: Integrated Privy auth for email-based wallet creation and login/signup flows with embedded wallet provisioning; built secure server-side wallet signer integration supporting cross-platform trading without private key exposure ● Data Pipeline: Real-Time Venue Analytics Ingestion : Architected Python data pipeline (predictefy-pipeline) fetching market data from 7+ prediction venues (Polymarket, Kalshi, Opinion, Gemini, Limitless, Predictfun, Myriad) via venue-specific API clients. Built materialization jobs (fetch → publish → aggregate) running on Cloud Scheduler with GCP Cloud Run, feeding pre-aggregated snapshots and event tables directly to Supabase. Implemented 24h/7d/30d market snapshots, trader ranking snapshots, and venue overview aggregations—making the Next.js app completely read-only. ● Built smart money markets discovery tab surfacing markets with strong trader conviction via Predexon API integration. Displays 6 key metrics: smart wallet count, smart trading volume, smart total/realized PnL, average ROI, and realized win rate. Implemented dynamic timeframe filtering (1D/7D/30D/All) and sortable columns. Added preset filter chips (≥$100K PnL, ≥50 trades, ≥$1M volume) to identify high-conviction opportunities and institutional trader behavior patterns. L i ve h ere ● Built production analytics dashboard directly on Dune.com querying platform KPIs: notional USD volume, USD volume, user signups, transaction counts, and real-time 24h snapshots per venue. Integrated Dune API client into Next.js app for in-app metric visualization with query result pagination. Configured 8+ live SQL queries with metric registry supporting normal/aggregate/snapshot query types for product and business intelligence reporting. L i ve h ere ● Multi-Chain Deposit/Withdraw Widget with Glide Integration : Engineered deposit/withdraw flows for 3 prediction platforms (Polymarket/Kalshi/Opinion) across 4 blockchains (Polygon/Solana/Base/BSC) using Glide SDK. Implemented platform-specific configurations with ERC-2612 permit signatures, Polymarket Builder Relayer for gasless transactions, and Privy-based key management. Added event-driven transaction success callbacks with theme customization for dark/light mode support.

● Perpetuals Trading Infrastructure: Implemented Hyperliquid orderbook integration supporting market orders (IOC), limit orders (GTC/Ioc/Alo), and stop orders with dynamic slippage tolerance and gas-optimized transaction batching (40% cost reduction); built real-time depth visualization with cumulative sizing and price level aggregation. ● Deposit & Withdraw Widgets: Engineered dual deposit (asset selection, chain routing, transfer time estimation, QR code generation) and withdraw flows with EIP7702 proxy wallet system enabling chainless authorization and batch transaction execution. ● Complete Portfolio Page: Architected responsive portfolio dashboard with live wallet integration, token discovery, perps positions tracking, yield opportunities aggregation, and multi-wallet management across 50+ chains, end to end integration of onboarding process for new users. L i ve h ere Yield Farming Platform: Built entire Yield page frontend with Yield.xyz API integration supporting ERC-20 approvals, multi-chain transactions (EVM/Solana), and real-time transaction tracking via event logs and balance refetching L i ve h ere Cross-Service Architecture: Engineered tRPC batch protocol with httpBatchLink for efficient inter-service communication; designed fallback mechanisms with automatic retry logic and graceful degradation Token Discovery & Price API Integration: Integrated CoinGecko and Mobula APIs with intelligent 3-tier fallback system (Moralis → CoinGecko → DefiLlama) and LRU caching, reducing API calls by 80% and improving portfolio load times Cross-Service Architecture: Engineered tRPC batch protocol with httpBatchLink for efficient inter-service communication; designed fallback mechanisms with automatic retry logic and graceful degradation

● Created comprehensive NextJS mobile-responsive frontend application in collaboration with UI/UX development team, conducting in-depth analysis of cross-bridge smart contracts and integrating them following established UI/UX design patterns ● Led the team for planning the indices architecture utilizing Privy wallet integration, enabling users to deposit USDC which is deployed through automated buy/sell APIs trading across top 100 tokens to generate profits. ● Engineered sophisticated cross-bridging process involving NFT burning and Axelar network integration for reward minting, implementing seamless cross-chain functionality with robust error handling and transaction monitoring ● Integrated comprehensive Data API V2 dashboard with scalable API integration architecture supporting multiple data endpoints, real-time updates, and secure API key management ● Integrated TradingView charts on token details pages with interactive features, real-time price data, technical indicators, and customizable configurations for comprehensive trader analysis ● Successfully integrated VIRTUALS and ELIZA AI Agents with 21 Token Metrics API endpoints, developing seamless plugin communication protocols and robust API endpoint management for AI-powered trading insights

● Developed smart contracts for a staking platform allowing Service Providers to create vaults with collateral, enabling users to delegate tokens with rewards distributed based on deal completion ● Integrated Depinx solution for SLA checks and performance monitoring, implementing automated penalty mechanisms to adjust collateral based on service performance, ensuring client protection and fair compensation ● Designed and deployed smart contracts to calculate and distribute rewards from vaults upon deal completion, with SLA monitoring automatically deducting collateral for subpar services ● Developed the frontend interface integrating smart contracts using WagmiV2 hooks for seamless blockchain interaction, ensuring smooth user experience with contract functionality directly in the UI

● Architected and developed NF3DEX, a decentralized exchange enabling users to swap native cryptocurrencies ● Integrated Uniswap V3 SDK into the platform, allowing users to swap with specific price ranges for liquidity providers ● Implemented key Uniswap smart contracts: QuoterV2 for fetching exact token exchange prices. SwapRouter for executing swaps efficiently ● UniswapFactory for deploying new liquidity pools (e.g., USDC/WETH) and retrieving pool addresses. (0xC69620e2004fE68e8E9f: 2bEE: E8e9f56388e0:8D0 - ETH/USDC) ● Designed and deployed ERC-20, ERC-721, and ERC-1155 smart contracts for various blockchain use cases ● Worked with Beacon and Proxy smart contracts to enable contract upgradability ● Utilized IPFS (via Infura) for decentralized NFT image storage and metadata ● Collaborated with cross-functional teams to optimize product design and reduce costs ● Led the frontend development by converting Figma designs into fully responsive UI. Implemented wallet integration using RainbowKit, supporting multiple wallets ● Integrated multiple smart contracts with the frontend for dynamic contract data rendering ● Built NFT marketplace functionalities, including NFT creation, listing, and reselling ● Developed robust Notifications for real-time feedback from smart contract event emissions

● Integrated ASP.NET Core back connected them with responsive React.js frontend using Bootstrap and modern frameworks ● Built dynamic UI with reusable React components implementing customer-centric improvements based on user feedback, while integrating multiple APIs to fetch and display real-time data ● Designed and managed MS-SQL databases including model migrations, deployed and tested applications using Firebase for hosting and authentication ● Utilized JIRA for project tracking and agile development, collaborating with cross-functional teams using Microsoft Teams to optimize product design and reduce costs ● Ensured best practices for smart contract integration, frontend performance, and maintainability across the full development lifecycle

● Developed both smart contracts and frontend for crypto exchanges ensuring seamless blockchain interaction, implementing Uniswap-based contracts with Quoter for real-time price fetching and SwapRouter for efficient token swaps ● Deployed and tested smart contracts on Goerli testnet using Alchemy & Ganache, ensuring contract security through Hardhat contract coverage, gas optimization plugins, and generated gas reports for efficiency ● Built scalable and responsive Web3 applications using React.js with IPFS integration for decentralized image storage and retrieval ● Developed data filtering and pagination features using Node.js backend for enhanced user experience and performance optimization