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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 Developed AI-powered semantic search systems
Developed AI-powered semantic search systems using Weaviate as the core vector database. Designed hybrid search (keyword + vector) architecture and integrated large language models for contextual retrieval and summarization. Optimized schema design, embedding pipelines, and indexing strategies to support large-scale document corpora and conversational AI systems.
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100
Security Engineer(2)
Data Engineer(1)
Systems Engineer(1)
ML Engineer(1)
Ali Shan's avatar
Ali Shan
pro
London, UK
Full StackDev | MVP Builder for SAAS | AI Agents
$5k+
Earned
4x
Hired
5.0
Rating
44
Followers
Full StackDev | MVP Builder for SAAS | AI Agents
Cover image for Langflow Multi-Agent Research Framework Development
Langflow Multi-Agent Research Framework Development
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10
Cover image for Containerized Automated Quality Control Pipeline
Containerized Automated Quality Control Pipeline
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5
Cover image for Development of Segue macOS Focus App
Development of Segue macOS Focus App
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0
Cover image for Payment System Architecture for Event Marketplace
Payment System Architecture for Event Marketplace
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6
Systems Engineer(1)
Platform Engineer(1)
ML 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 Biglabs Consulting-grade template for professional services
Biglabs Consulting-grade template for professional services firms. Manage case studies, articles, services, careers, testimonials, and client consultations with AI-powered analytics. Deploy in minutes, no local setup required. Features Thought Leadership — Publish articles and insights with categories, excerpts, and rich content Service Pages — Present your consulting services with detailed descriptions and feature lists Consultation Booking — Public intake form for prospective clients with scheduling preferences Careers Portal — Post open positions with departments, requirements, benefits, and salary ranges AI Analytics — Claude-powered insights and reporting on your consulting data And more.....
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Cover image for AI Vested An AI-powered investment platform
AI Vested An AI-powered investment platform with Claude AI integration. Deploy in minutes, no local setup required.
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131
Cover image for AiFee A creator donation and product
AiFee A creator donation and product sales platform. Support creators you love with donations and discover unique digital products. Deploy in minutes, no local setup required.
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79
Cover image for Auto Sales Revenue Forecast Dashboard
Auto Sales Revenue Forecast Dashboard
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39
ML Engineer(3)
Data Engineer(2)
UX Engineer(2)
Guy G's avatar
Guy G
Oregon, USA
40+ years programming experience including recent AI and ML.
6
Followers
40+ years programming experience including recent AI and ML.
Cover image for Another fun and useful project from 2024. I did this work fo...
Another fun and useful project from 2024. I did this work for a nice gentleman named Andy Walters. He was looking to automatically split videos along the natural pause boundaries between sentences. So I wrote up this neat little script that uses the Whisper-Timestamp model and library to find those boundaries and split the video on them so that no words get chopped in mid-utterance. The company Andy was working for didn't make their next round of funding. Before we mothballed the whole thing Andy gave me permission to open source the code. I realized too late, with just one more pass through an LLM you could have the json splitter file that was generated rearranged to split by subject. If I had the time I would include that feature but until then it is still useful like it is. https://github.com/TheOneTrueGuy/G_video_clipper
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17
Cover image for Language models provide some spectacular new opportunities f...
Language models provide some spectacular new opportunities for discovery. While working on some ideas it occurred to me to explore the relationships between concepts spatially. Interpolating across the latent space between concepts and then mapping to a vectors nearest token predicate. I arranged this formulation as a form of tessellation to cover the n-dimensional volume efficiently. The result is a work-in-progress I call the Tessellator. Since this is an experiment it just made sense to open source it and a new update is due in the next week or two. https://github.com/TheOneTrueGuy/tessellator
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74
Cover image for Lots of projects in the works! Too many really. Opus 4.5 has...
Lots of projects in the works! Too many really. Opus 4.5 has jammed my design episodes into hyper mode. I'm glad I heard Andrew Ng talk about the exhaustion after a day of working with agentic code helpers. That showed up months ago and I still didn't recognize. Now, having to hold so much in my mind at once while it is also growing at a recognizable pace is noticeably stressful. Here is my latest build, a useful agency for questions at high accuracy with 9 different agents available to work in tandem. Special thanks to my friend Enigma Specter who provided the original backend mechanisms. I salvaged his design with a nice web UI and added a web Researcher agent: https://guyzer.pythonanywhere.com/mrce/ You will need to register but it's just an email username and password, no verification loop yet. And you'll need an API key.
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14
Cover image for Cyclical Adversarial Stepwise Improvement CASI: Live Demo We...
Cyclical Adversarial Stepwise Improvement CASI: Live Demo We talk frequently about AI self-correction but few projects provide a robust architectural loop for it. CASI formalizes the process of non-linear refinement: The Generator proposes a solution or concept. The Critic applies structural pressure and targeted feedback. The system cycles automatically until Structural Coherence is reached. You can now test the CASI engine live and see how an autonomous refinement process delivers structurally superior output: Try the CASI web app here: https://guyzer.pythonanywhere.com/casi/
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93
Data Engineer(1)
ML Engineer(1)
Audio 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
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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
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19
Data Engineer(1)
Security Engineer(1)
Systems Engineer(1)