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Pavlo Krasnytsia's avatar
Pavlo Krasnytsia
pro
Lviv, 79000
Tech Leader | AI, Blockchain & Technology Architect
New to Contra
Tech Leader | AI, Blockchain & Technology Architect
Cover image for Built a secure key management
Built a secure key management and programmable policy platform for Web3 infrastructure, enabling teams to enforce transaction rules, automate approval logic, and protect sensitive signing workflows using hardware-backed controls. This project signals senior-level expertise in security architecture, backend systems, and blockchain operations.
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126
Cover image for Created a real-time blockchain data
Created a real-time blockchain data platform that streams on-chain data into developer and analytics workflows with low-latency pipelines, indexing, and database delivery. This project showcases strong full-stack architecture, data engineering, and blockchain infrastructure capabilities for modern financial applications.
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124
Cover image for Developed a real-time on-chain threat
Developed a real-time on-chain threat detection platform that monitors smart contracts, wallets, governance actions, and protocol activity to surface emerging attacks before damage occurs. This project demonstrates strong blockchain security engineering, alerting architecture, and production-grade risk monitoring at scale.
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106
Cover image for Contributed to the development and
Contributed to the development and scaling of a collaborative knowledge management SaaS platform designed for modern teams. Focused on improving real-time collaboration, search performance, and document organization workflows. Worked on enhancing backend APIs, optimizing database queries, and improving frontend performance for large document trees and permission-based access control. Helped improve system reliability and scalability for distributed teams managing thousands of documents.
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86
Fullstack Engineer(9)
Security Engineer(2)
Systems Engineer(1)
ML Engineer(1)
Data Engineer(1)
Cory Schmaltz's avatar
Cory Schmaltz
Denver, USA
Full Stack Engineer & AI System Architect & Network Engineer
New to Contra
Full Stack Engineer & AI System Architect & Network Engineer
Cover image for Obsidian Network Architect
Obsidian Network Architect
0
11
Cover image for NLP pipeline for Federal Document Processing
NLP pipeline for Federal Document Processing
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12
Cover image for Logistics System for US Army
Logistics System for US Army
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14
Cover image for AI-Powered Automatic Marketing System
AI-Powered Automatic Marketing System
0
19
Fullstack Engineer(1)
Security Engineer(1)
Systems Engineer(1)
Data Engineer(1)
DevOps Engineer(1)
Johnny Ha's avatar
Johnny Ha
pro
Alhambra, USA
Senior Full-Stack Engineer | Web Development | AI Automation
$5k+
Earned
1x
Hired
5.0
Rating
11
Followers
Senior Full-Stack Engineer | Web Development | AI Automation
Cover image for Luxury Jewelry E-Commerce Website – Gemsparx Front-End & Ful...
Luxury Jewelry E-Commerce Website – Gemsparx Front-End & Full-Stack Developer (React & Node.js) Gemsparx is a luxury jewelry marketing and e-commerce website designed to showcase diamonds, fine jewelry, and custom design services with a high-end user experience. I developed this project using React for a fast, responsive front end and Node.js for backend functionality. The focus was on creating a visually elegant, conversion-friendly interface while maintaining performance, scalability, and clean code architecture. The website features structured product categories, promotional sections, custom design workflows, and a modern UI optimized for both desktop and mobile users. This project demonstrates my ability to build premium marketing websites that align with luxury brand aesthetics and business goals.
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20
267
Cover image for MSPTerms – SaaS Platform for Document Management & MSP Opera...
MSPTerms – SaaS Platform for Document Management & MSP Operations http://mspterms.com/ I developed a scalable SaaS web application for MSPTerms, a document management and business strategy platform designed for managed service providers (MSPs). The project involved building a fast, secure, and intuitive user interface using Nuxt.js, including authentication flows, dashboard layouts, and responsive landing pages. I focused on performance optimization, clean UI/UX, and seamless user experience across devices. The result is a modern, production-ready SaaS platform that enables MSPs to manage documents, streamline operations, and support business growth with a professional, easy-to-use system.
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14
213
Cover image for AI Operations Agent for E-Commerce
AI Operations Agent for E-Commerce & Internal Teams
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70
Cover image for Modern SaaS Style - RAW Firm Platform Development
Modern SaaS Style - RAW Firm Platform Development
2
64
Fullstack Engineer(6)
UX Engineer(2)
Data Engineer(1)
DevOps Engineer(1)
Temiloluwa Adeniyi's avatar
Temiloluwa Adeniyi
pro
United States
Data Nerd + Kick butt Engineer
$25k+
Earned
4x
Hired
5.0
Rating
18
Followers
Data Nerd + Kick butt Engineer
Cover image for LexIntel
LexIntel
1
1
Cover image for Calaxy Webscraping Chatbot
Calaxy Webscraping Chatbot
1
32
Cover image for Ranger Rank
Ranger Rank
1
26
Cover image for ML Ops Marketing Modalities and Impact on Sales
ML Ops Marketing Modalities and Impact on Sales
2
21
Data Engineer(5)
ML Engineer(3)
Fullstack Engineer(2)
DevOps Engineer(1)
Ari Harrison's avatar
Ari Harrison
pro
San Francisco, USA
AI & ML Engineer
$1k+
Earned
7x
Hired
18
Followers
AI & ML Engineer
Cover image for AI Groceries An AI-powered online grocery
AI Groceries An AI-powered online grocery delivery platform built with Next.js 15, React 19, Supabase, Claude API, and Stripe. Designed around "The Harvest Table" philosophy -- abundant, warm, and grounded in real food provenance.
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112
Cover image for Markey A multi-vendor marketplace connecting artisan
Markey A multi-vendor marketplace connecting artisan sellers with collectors. Beautiful dark-first design with Stripe Connect split payments, AI-powered product descriptions, and full admin controls. Deploy in minutes, no local setup required.
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79
Cover image for Invoice & Inventory Management A comprehensive
Invoice & Inventory Management A comprehensive invoice and inventory management system with Claude AI integration. Deploy in minutes, no local setup required. Features: Professional Invoicing - Create, send, and track invoices Inventory Tracking - Monitor stock levels with automatic alerts Customer Management - Centralized customer database Analytics Dashboard - Revenue charts and profit/loss reports Stock Alerts - Low stock and out-of-stock notifications Claude AI Assistant - AI-powered business insights Demo Mode - Works instantly without any configuration
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122
Cover image for ClaudeHub Dashboard A modern, full-featured dashboard
ClaudeHub Dashboard A modern, full-featured dashboard with Claude AI integration. Deploy in minutes, no local setup required. Features: Claude AI Integration - Get intelligent insights and analysis Interactive Charts - Bar, line, pie, and area charts Real-time Dashboard - Stats, metrics, and KPIs at a glance User Authentication - Secure login with Supabase Auth Demo Mode - Works instantly without any configuration Responsive Design - Desktop, tablet, and mobile ready
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88
Fullstack Engineer(5)
ML Engineer(3)
UX Engineer(2)
Data Engineer(2)