Artem S. — Back-End Engineer

Expertise in Blockchain and Cryptography, DEX and CEX, Back-End Web.

Last verified on July, 2023

Core Skills

Bio Summary

- Back-end developer with 6+ years of commercial experience;
- 4+ years of experience working with Node.js and Express.js;
- Good knowledge of work with AWS, Doker;
- 5+ years experience working with CORS;
- Skills in working with blockchain projects;
- Experience working with the DEX project in the field of DeFi;
- Deep understanding of creating DB and API structure and implementing app logic;
- Good collaboration with the product team to understand requirements and business specifications;
- Highly motivated to do amazing products, like to learn new technologies;
- Intermediate English;
- Available: ASAP.

Technical Skills

Programming Languages	JavaScript, PHP, TypeScript
JavaScript Frameworks	Angular, Express, NestJS, Node.js, React
JavaScript Libraries and Tools	Bookshelf.js, RxJs
UI Frameworks, Libraries, and Browsers	CSS, HTML
PHP Frameworks	Laravel, Lumen, Yii
Databases & Management Systems / ORM	AWS DynamoDB, MongoDB, MySQL, PostgreSQL, Redis, Typeorm
Cloud Platforms, Services & Computing	AWS
Amazon Web Services	AWS DynamoDB, AWS EC2, AWS Lambda, AWS RDS (Amazon Relational Database Service), AWS S3
Mail / Network Protocols / Data transfer	CORS, GRPC, HTTP
BlockChain and Decentralized Software	DEX
Virtualization, Containers and Orchestration	Docker, Kubernetes
Methodologies, Paradigms and Patterns	microservices architecture
Platforms	sendgrid
Other Technical Skills	CSRF, Sendbird

Experience

Back-End Developer

04.2019 – now

Node.js Developer

10.2018 – 03.2019

Full-stack Web Developer

04.2017 – 10.2018

Full-stack Web Developer

03.2016 – 04.2017

Projects

Back-End Developer, Dex_derivatives (WeUP)

Description:Spot DEX with margin trading
Responsibilities:

Finding and fixing bugs
Creating a stable connection between microservices
Adding existing functionality, and improving the codebase to make it more efficient
Creation of internal documentation

Technologies:NestJS, TypeORM, PostgreSQL, Microservices, gRPC, RxJS, Bull

Back-End Developer, Vonder

Description: The platform allows users to rent a flat, communicate with other renters, create events, etc.
Responsibilities:

Support and create features, implement new logic, and performance improvements

Technologies: Node.js, Express, MySql, PostgreSQL, Sendbird, Sendgrid, AWS(EC2, S3, RDS), Redis

Back-End Developer, LiveCGI

Description:REST API that will fetch data from AWS s3 and upload it to IPFS
Responsibilities:

Create REST API, save data, and connect with IPFS.

Technologies:Node.js, Express, PostgreSQL.

Back-End Developer, Famer

Description: Famer provides sports teams & organizations with advanced technologies and custom training content production to enable the team and personal training programs with interactive feedback between athletes and their coaches.
Responsibilities:Сreating DB and API structure and implementing app logic.
Technologies: Node.js, Express, MongoDB, PostgreSQL.

Back-End Developer, Hoper

Description: Web allocation for social projects in garbage removal. The platform provides the ability to participate in separate garbage collection and garbage removal with rewards in Blockchain-based tokens. The community between users, challenges, and events.
Responsibilities:

Developing functionality for accepting incoming calls, SMS, and Facebook messages.

Technologies: Node.js, TypeScript, Express, PostgreSQL.

Node.js Developer, NDA

Description: Medical project for hospitals and doctors working with sick children. In this project, I developed a REST API to associate new clinics with an existing mobile application. Also, I used AWS Lambda to check DB changes(Node.js, Express, AWS).
Responsibilities:

Front and back-end web development of different complexity.

Technologies: Node.js, AWS

Full-stack Web Developer, NDA

Description: I had to solve existing bugs and implement new functionality. One of these new functionalities was the possibility to create a widget for quizzes for CMS and paste it on-page. (Node.js, Express).
Responsibilities:

Front-End and Back-End web development.
I have experience in a team of more than 5 developers (some part of the team was in Canada).

Technologies:Node.js, PHP, JS.

Full-stack Web Developer, NDA

Description: Website for car leasing. I solved different tasks on the front-end and back-end. One of the tasks was rewriting SQL queries for getting cars. That change increased the load speed of the main page.

Responsibilities:

Front-End and Back-End web development.
Create and support projects with different difficulties.

Technologies: Node.js, PHP, JS.

Full-stack Web Developer, NDA

Description:Project for studying mathematics.
Responsibilities:were to update the existing project to a new version of Node.js, integrate ORM Bookshelf.js, fix bugs, and support projects.

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