Andrii Melnyk
Private message
Offer work
Ahtyrka,
Ukraine
available for hire
Rating
CV
➖ As a dedicated backend developer and database designer, I am passionate about building robust and scalable applications. With experience in various programming languages such as Python, Java, Node.js, Nest.js, ASP.NET, I excel in developing efficient server-side logic and APIs that enhance user experience.
➖ I specialize in database design and management, and design efficient and secure data solutions using SQL and NoSQL technologies. I am skilled in optimizing database performance, ensuring data integrity, and implementing best practices for storing and retrieving data.
I mainly design databases using "lucid" and "dbdiagram".
➖ With a deep understanding of RESTful services and microservice architecture, I am dedicated to delivering high-quality code and collaborating effectively with cross-functional teams. I am passionate about solving complex problems and constantly strive to improve my skills and knowledge of new technologies.
➖ I have a strong knowledge of frontend frameworks.
PHP, WordPress, React.js, Angular.js, Next.js, Svelte.js
Skills
Programming
Services
Mobile development
Administration
Portfolio
-
HealthyCare Website
AI & Machine Learning
PatientNotes is a clinical note-taking tool that uses AI to write clinical notes, patient summaries, and medical letters. Designed to save you time spent on clinical notes and improve the quality of your notes and with a focus on privacy and security, PatientNotes is a safe and secure way to start leveraging AI in your work today.
-
Telegram Mini App(TMA)
Bot Development
TUBE is a Telegram-based bot where users can earn $TUBE tokens by playing various games and withdraw their earnings at any time.
In the near future, once the TUBE community is fully established and key milestones are reached, $TUBE will evolve into a functional cryptocurrency for in-game purchases.
-
Medical Assistant Platform Backend and AI Development
AI & Machine Learning
Designed and implemented the backend architecture using Node.js and Express, creating RESTful APIs for user management, appointment scheduling, and health record retrieval.
Developed AI-powered features using machine learning algorithms to provide users with personalized health recommendations and symptom analysis, enhancing user engagement and support.
This project showcases my skills in backend development and AI integration, demonstrating my ability to create innovative solutions in the healthcare domain.
-
Backend & API developement
Web Programming
Developed the backend for a CS:GO item marketplace, enabling users to buy, sell, and trade in-game items.
Implemented WebSocket connections for real-time updates on item availability and transaction statuses, improving user engagement.
Established robust security protocols to protect user data and prevent fraud, including input validation and encryption.
Integrated payment gateways to allow secure transactions, enhancing user confidence in the buying and selling process.
… Designed and implemented RESTful APIs for user authentication, item listings, and transaction processing, facilitating smooth interactions between users and the marketplace.
This project demonstrates my expertise in backend development and API integration in a gaming context, showcasing my ability to create engaging and secure online marketplaces.
-
Backend Development
Databases & SQL
Designed and implemented RESTful APIs for user registration, menu management, and order processing, ensuring seamless interactions between the frontend and backend.
Architected a scalable database using PostgreSQL to store user data, restaurant menus, and order history, implementing efficient indexing and query optimization for performance.
I used dbdiagram for database design.
Successfully deployed to Cloudflare.
Activity
| Recent proposals 10 | Budget | Added | Terms | Proposal | |
|---|---|---|---|---|---|
|
Casino
269 USD
|
|||||
|
Event agency
120 USD
|
|||||
|
React + Supabase Developer for lead form builder
100 USD
|
|||||
|
Розробка навчальної платформи
120 USD
|
|||||
|
Refine the frontend, integrate Stripe
120 USD
|
|||||
|
Automation setup in n8n (ClickUp + ChatGPT)
120 USD
|
|||||
|
Write a backend in node.js for the parser
192 USD
|
|||||
|
Connecting Front React to the backend
100 USD
|
|||||
|
The project needs a specialist for developing the front end of an online store with experience in React, Next, and API.
361 USD
|
|||||
|
Nodejs server development
1029 USD
|
