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.
Want to hire this engineer?
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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