Freelancers using PostgreSQL in LvivFreelancers using PostgreSQL in Lviv
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Pavlo Krasnytsia's avatar
Pavlo Krasnytsia
Lviv, 79000
Tech Leader | AI, Blockchain & Technology Architect
7
Followers
Tech Leader | AI, Blockchain & Technology Architect
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.
1
198
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.
1
107
Cover image for Botpress | The Complete AI Agent Platform
Botpress | The Complete AI Agent Platform
1
15
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.
1
204
PostgreSQL(2)
Volodymyr Oliinyk's avatar
Volodymyr Oliinyk
Lviv, 79000
Senior Full-Stack Engineer | React • Next.js • Node.js
New to Contra
Senior Full-Stack Engineer | React • Next.js • Node.js
Cover image for Event-Driven Backend
Event-Driven Backend
0
31
Cover image for Microservices Migration
Microservices Migration
0
57
Cover image for Real-time SaaS Dashboard
Real-time SaaS Dashboard
0
58
Cover image for E2E Testing & CI/CD
E2E Testing & CI/CD
0
28
PostgreSQL(2)