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English:
Upper Intermediate
Serhii M.
Vetted by YouTeam
Ukraine
UTC +02:00
Ukraine/Kyiv
English:
Upper Intermediate
Senior Back-end Developer (Node.js, Nest.js)
I'm highly proficient back-end developer (Node.js, Nest.js) with 6 years of commercial experience. My stack is a broad one: JS, TS, Node, AWS, Docker, REST and GraphQL, Socket.io, SQL and NoSQL databases, various ORMs. I possess solid skills utilizing AWS and building robust back-end solutions both from scratch as well as can easily contribute to ongoing products. I took part in developing large video platform for communication and earning money. I also have experience building a social network. I'm well-versed with third-party services (Auth, Payment Services) as I worked a lot with them on my previous commercial projects. I'm communicative and initiative person who can quickly adapt and start performing asap.
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Check if Serhii is availableExpertise
Years of commercial development experience
6 years of experience
Core technologies
Other technologies
Project Highlights
Under NDA
Nov `22 - Aug `23
9 months
Visartech
Development of education Metaverse platform
Responsibilities & achievements
- Back-end architecture - Working with complex request (REST, GraphQL) - Data aggregation - Test coverage - Writing business logic
Under NDA
Jun `21 - Jul `22
1 year
Visartech
Development of a mobile app social network for LGBT people
Responsibilities & achievements
- Authentication system - Implementation of user management (roles and permission system) - GraphQL requests - Writing comprehensive business logic
Under NDA
Mar `19 - May `21
2 years
xSine
Development of a large video platform for communication and earning money with several third parties
Responsibilities & achievements
- Payment systems integration - Writing business logic - Real-time chat using Socket.io - Code refinements
Under NDA
Apr `18 - Feb `19
10 months
xSine
This is a mobile application for the construction of various objects, used by customers and employees of the company
Responsibilities & achievements
- Implementing REST endpoints - Working with complex DB data - Writing business logic - Role and management systems
Under NDA
Oct `17 - Mar `18
5 months
xSine
Development of a platform for the use of business ideas
Responsibilities & achievements
- Working on front-end assignments - Bug fixing - Team communications
Education
Higher education in Computer Science
Agency
10-50
GMT+2
Zaporizhzhya/Ukraine, Kiev Ukraine
Core Expertise
Industries
Architecture & Design, Education & Science, Business & Productivity, Logistics & Transportation, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Entertainment & Games, Mapping & Navigation, Sports & Fitness, Advertising & Marketing, Shopping & Loyalty programs, Photo & Video, Fashion & Style, Travel & Tourism, Kids & Childcare, Healthcare & Medicine, Food & Drink, Arts & Culture, Service & Support, Audio & Music, Blockchain & Cryptocurrency, Automotive
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