Victor – React, Typescript, Node.js

A major global cryptocurrency platform that allows users to buy, sell, and trade digital assets through web and mobile applications. It offers intuitive and advanced trading features, staking, and seamless fiat on- and off-ramps, with a strong focus on security, transparency, and real-time execution.

• Engineered advanced on-chart trading features, including Take Profit/Stop Loss (TP/SL) order types, quick-action buttons for perpetual contracts, and single-click buy-in for spot markets—reducing multi-step order flow execution from 8.3s to 2.1s and increasing daily order placement volume by 34%;
• Led UI/UX improvements across trading interfaces, collaborating closely with design to deliver 45+ polished micro-interactions, achieving a 19% rise in user satisfaction and a 41% drop in support tickets related to UI confusion;
• Orchestrated cross-platform bug resolution on iOS, Android, and Web, resolving 23 critical trading issues and raising the platform’s order success rate from 94.2% to 99.1%;
• Championed collaboration with back-end, QA, and product teams, delivering features and high reliability on demanding real-time trading flows.

A blockchain-based digital horse racing platform where users can buy, breed, and race NFT horses in real-time competitions. It combines gaming mechanics with NFT ownership and crypto rewards, creating an immersive play-to-earn experience.

• Engineered sophisticated GraphQL query optimization strategies utilizing Apollo Client batching, fragment optimization, and intelligent cache normalization, reducing average API response times from 850ms to 470ms (45% improvement) while implementing request memoization patterns for enhanced data fetching efficiency;
• Implemented cutting-edge Next.js features (including SSR, ISR, prefetching, and tag-based revalidation using revalidateTag and revalidatePath APIs) to achieve granular cache invalidation and improve performance across dynamic dApp routes;
• Developed real-time WebSocket integration architecture for live horse race tracking, enabling instant updates for breeding operations, race pool assignments, marketplace transactions, and competitive racing events with sub-second latency for blockchain state synchronization;
• Collaborated with blockchain developers to ensure seamless integration between front-end and smart contracts for NFT transactions and racing mechanics.

An AI-powered daily fantasy sports platform offering data-driven insights, lineup optimization, and predictive analytics. It also supports user acquisition through dynamic landing pages and SEO content.

• Led the transition to dynamic Storyblok landing pages by converting all previously hardcoded pages into Storyblok-managed ones, configuring complex, reusable components with a focus on design consistency, accessibility, SEO, and marketing agility;
• Optimized landing pages for SEO and structured data by implementing best practices, including JSON-LD schema, to improve search visibility and support targeted client acquisition efforts;
• Developed custom navigation for blog pages by designing structured navigation and implementing structured data for blog posts and articles, enhancing content flow and overall user experience;
• Engineered advanced rich-text handling for Storyblok by building a function that processes all node types in the rich-text editor, enabling flexible, reliable content formatting for the content team.

A digital content and loyalty platform that streamlines article production and powers rewards programs for Fortune 500 enterprises. It integrates with third-party APIs to support high-volume transactions and manage millions in annual rewards value.

• Spearheaded the development of an advanced multi-step content creation pipeline, engineering intuitive workflow components in React that reduced content production time by 61% and increased content output velocity from 47 to 156 articles per week while improving user engagement rates by 38%;
• Engineered a comprehensive loyalty hub solution serving Fortune 500 enterprises across 4+ brand programs, architecting a full-stack rewards management system in Java and React that managed $4.7M in annual rewards value and supported 100K+ active loyalty members;
• Orchestrated the integration of InComm's third-party API infrastructure, developing robust middleware services in Java that handled high-volume transaction processing with 99.7% uptime, payment reconciliation for 340K+ monthly transactions, and real-time reward fulfillment averaging 1.8-second response times;
• Led cross-functional collaboration with product, design, and enterprise clients to deliver scalable solutions that met complex business requirements and drove measurable customer engagement improvements.