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Pause Breathe Reflect app
My role: Backend Engineer
Contributed to Backend development of the App, using Nest.Js, MySQL and TypeORM and third-party integrations.
Developed Optimized APIs to seamlessly integrate features such as Breathworks, meditation music streaming with category filters and journaling.
Implemented in-app push notifications for success celebration messages and app updates alerts.
Handled package subscriptions with Revenue Cat and kept users data integrated on the App's database.
The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started
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Hi everyone! 👋
I’ve just updated my portfolio on Contra with my latest projects, including AI SEO Copilot and custom UI tools. I focus on building high-performance, AI-native SaaS products from scratch.
I’m currently open to new collaborations and challenges. If you need help with your project or want to discuss modern web development, feel free to reach out!
Just updated my portfolio with new AI projects. Open to collaborations!
good work eduard
Introducing live RAG ,VIXIT Cortex: Enterprise AI That Turns Your Data Into Instant Answers
Category: AI & Machine Learning / Web Development
Tools Used: Node.js, PostgreSQL, Vector Embeddings, REST API, Natural Language Processing, Zero-Trust Security and many more stuff
Project Description:
The Problem: Data-heavy teams — hospitals, law firms, banks, insurers — spend weeks extracting insights from their data. SQL queries, data teams, manual reports. Slow, expensive, error-prone.
The Solution: VIXIT Cortex is an enterprise AI agent that lets teams ask questions in plain English and get instant answers. No SQL. No data teams. No waiting.
What I Built:
Natural language query engine that understands domain-specific terminology
Vector embedding system that processes 18 years of data in under 3 minutes
Real-time analytics with sub-second query response (1.2s latency)
Zero-trust security architecture (HIPAA, SOC 2 Type II, GDPR compliant)
Tenant-isolated PostgreSQL databases with SHA256 token hashing
Human-in-the-loop oversight for critical decisions
Export capabilities (PDF, Excel, CSV) with source citations
Key Features:
Ask questions like "How many patients have eye power above 8?" and get instant answers
Multi-step reasoning that breaks complex queries into logical steps
Persistent memory that remembers context across conversations
99.99% uptime SLA with 24/7 priority support
Integration with existing systems (Postgres, MySQL, Snowflake, BigQuery, Epic, Cerner)
Banger
WorkUnion is a construction workforce platform that connects contractors, workers, and site teams in one digital workflow. It supports job posting, worker hiring, site management, attendance, Hajri/payment tracking, worker profiles, notifications, and contractor operations across mobile and web.
What I Built:
- Mobile app for workers and contractors
- Contractor web dashboard
- Public website / web client
- Backend APIs with authentication, jobs, sites, attendance, payments, notifications, and admin support
- Production deployment setup for backend, web, Play Store, and App Store releases
Perfect
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