David Veznik

Senior full-stack engineer building AI platforms, Web3 / DeFi products, and data-heavy frontends for capital markets and energy.

I've been shipping production systems since 2014: full-stack agentic-AI and LLM infrastructure,Web3 and DeFi products, and large enterprise front-ends for finance, energy, and manufacturing. My daily tools are TypeScript, React, and Node.js. Everything below is a real product in production use, not a demo.

veznidav@gmail.com·CV (PDF)

OpenServWeb3 · Consumer AI

dash.fun (2025)

A customizable, real-time crypto-intelligence dashboard. Users compose a draggable grid of live tiles for market feeds, sentiment and attention heatmaps, token research, DeFi Q&A, technical analysis, and news, with several tiles powered by AI agents.

  • Vue 3
  • TypeScript
  • PrimeVue
  • Pinia
  • Express 5
  • +2 more

Capture Energy · freelanceEnergy · BESS

CaptureCloud (2023 – 2024)

The frontend platform for CaptureCloud, a set of role-specific web portals for monitoring and managing grid-scale battery energy storage assets, with live dashboards, site and equipment management, alarms and incidents, and market analytics.

  • TypeScript
  • Next.js
  • React
  • Nx
  • IBM Carbon
  • +2 more

Nasdaq · freelanceCapital markets

SOTI (2020 – 2024)

An internal web console for querying, reconstructing, and inspecting order and trade activity across six Nasdaq options and Nordic derivatives markets, with role-gated order-cancellation workflows for exchange operations staff.

  • JavaScript
  • React 18
  • Redux Toolkit
  • TanStack Table + Virtual
  • Keycloak
  • +2 more

Woox · freelanceE-commerce · Retail

Woox E-Commerce Store (2023)

An online store built around what decides e-commerce success in practice: fast page loads, strong SEO, a smooth shopping experience on every display size, and high-quality product imagery. Built on Next.js with React Server Components and a hybrid static/server rendering strategy.

  • Next.js (RSC)
  • React
  • TypeScript
  • Tailwind CSS
  • TanStack Query
  • +1 more

Santander · freelanceBanking · E-commerce

Santander Auto E-Commerce (2022 – 2023)

A client-facing, mobile-first, accessible web application that simplifies the car-loan application process, deployed across four countries and a network of car dealers from one configurable codebase.

  • React
  • TypeScript
  • MobX
  • Zustand
  • Microsoft Azure

Seba Bank · freelanceBanking · Web

Seba Bank Website (2020 – 2021)

The customer-facing presentation website for Seba Bank, statically generated with Gatsby for fast loading, strong SEO, and reliable delivery, with CMS-driven content management for non-developer updates.

  • React
  • Gatsby
  • Apollo Client
  • Styled Components
  • Netlify CMS

KinaliManufacturing · Industrial software

Manufacturing Operations Apps for Mycronic (2017 – 2020)

Applications that streamline operations in electronics-manufacturing environments, including a hybrid web/mobile application and a web application for tracking components on printed circuit boards (PCBs).

  • React
  • Redux
  • .NET Core
  • Node.js
  • Apollo (GraphQL)
  • +1 more