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Registration: 13.09.2023

Mikhail Kalita

Portfolio

Viking Fehu

The ICO web application. • Coding REST API. • Integrate 3-rd party services. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.

Leroy Merlin

The web application with microservices is to manage shippings and deliveries in the different regions. • Coding REST API and microservices infrastructure. • Cover code by unit tests. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.

Patientory

A multi-functional mobile solution that enables users to securely access and share their personal medical records and take charge of their health. • Coding REST API. • Integrate 3-rd party services. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes. • Implement private blockchain.

Skills

JavaScript
Typescript
Node.JS
Nest.JS
ExpressJS
TypeORM
Sequelize
Mongoose
jQuery
HTML/CSS
JSON
PostgreSQL
MongoDB
Redis
DynamoDB
Database Management Systems
In-Memory Data Grid
Data management libraries and tools
Programming interfaces
Microservice Architecture
CI/CD
Deployment
Monitoring and Virtualization tools
Infrastructure and Configuration management tools
Build Automation tools
Assembly tools
Package managers
REST API
Microservices
Docker
ELK stack
Grafana
NPM
RabbitMQ
NATS
Apache Kafka
Gitlab CI/CD
Kubectl
Conduktor
MongoDB Compass
Postman
pgAdmin
AWS
Digital Ocean
Azure
Jasmine
Jest
Mocha
JMeter
Chai
Software Development Principles and Concepts
CQRS
SOLID
Hexagonal Architecture
DDD
VSCode
Git
Gitlab
Github
Polygon
Flow
Cadence
NFT
Web3.js
Metamask
MagicLink
WalletConnect
ChainLink
Binance Blockchain
Go-Quorum
Payment (Stripe, Circle)
KYC (Sumsub, IdMe)
IPFS (Pinata)
CRM (Hubspot)
Email (sendgrid)
Notifications (Firebase)
ESLint
Prettier
Babel
Issues Tracking System
Jira
Confluence
Redmine
Trello

Work experience

Backend (Node.JS) developer
01.2023 - 04.2023 |Viking Fehu
Typescript, Nest.js, PostgreSQL, Typeorm, Docker, Docker-compose, Web3.js (Polygon, Binance), Sumsub (KYC provider), Wallet Connect, Circle, Server Sent Events, Sendgrid
The ICO web application. • Coding REST API. • Integrate 3-rd party services. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.
Backend (Node.JS) developer
12.2022 - 06.2023 |Leroy Merlin
Typescript, Nest.js, PostgreSQL, MongoDB, Mongoose, Typeorm, K8S, Apache Kafka, Jest, Conduktor, MongoDB Compass, Postman, Swagger, Jira, Confluence, Github
The web application with microservices is to manage shippings and deliveries in the different regions. • Coding REST API and microservices infrastructure. • Cover code by unit tests. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.
Backend (Node.JS) developer
06.2022 - 04.2023 |Patientory
Typescript, Nest.js, PostgreSQL, Typeorm, Sequelize, K8S, Web3.js (Ethereremum, Go-Quorum), IPFS, Go-Quorum, Id.me (Kyc Provider), FHIR, IPFS, Commonwell (medical data provider), NATS
A multi-functional mobile solution that enables users to securely access and share their personal medical records and take charge of their health. • Coding REST API. • Integrate 3-rd party services. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes. • Implement private blockchain.
Backend (Node.JS) developer
04.2022 - 06.2022 |Hello blockchain
Typescript, Nest.js, PostgreSQL, Typeorm, Docker, Docker-compose, Web3.js (Polygon, Binance), Sumsub (KYC provider), Firebase Notifications, Wallet Connect
Some services like KYC and ICO for the client blockchain. • Coding REST API. • Integrate 3-rd party services. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.
Backend (Node.JS) developer
12.2021 - 04.2022 |SAVAGE Marketplace
Typescript, Nest.js, PostgreSQL, Typeorm, Docker, Docker-compose, Web3.js (Polygon), Stripe, RabbitMQ, Pinata cloud, AWS S3, Fluent-ffmpeg, Jimp
NFT-marketplace for photo and video on Polygon blockchain. • Coding REST API. • Integrate 3-rd party services. • Discussion architecture and offer solution for building application. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.
Backend (Node.JS) developer
06.2021 - 12.2021 |QPR Football Fan Mobile Application
Typescript, Nest.js, PostgreSQL, Typeorm, Docker, Docker-compose, RabbitMQ, AWS S3, Fluent-ffmpeg, Jimp, MongoDB, Mongoose, Elastic APM
Application for football fans. • Coding REST API. • Discussion architecture and offer solution for building application. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.
Backend (Node.JS) developer / Smart Contract (Blockchain Flow) Developer
04.2021 - 06.2021 |Xtingles
Typescript, Nest.js, PostgreSQL, Typeorm, Docker, Docker-compose, Cadence (Flow blockchain), FCL (flow blockchain), RabbitMQ, Pinata cloud, AWS S3, Fluent-ffmpeg, Jimp
NFT-marketplace for ASMR on Flow blockchain. • Coding REST API. • Write smart contracts. • Cover smart contracts by integration tests. • Discussion architecture and offer solution for building application. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.
Backend (Node.JS) developer
12.2020 - 04.2021 |Beamplify
Nestjs, PostgreSQL, Sequelize, Gitlab CI/CD, AWS(Fargate, RDS, EC2, Route53), Hubspot, Strapi
Application to choose the appropriate insurance. • Configure environment for application (CI/CD, SSL-certificate, Clouds). • Discussion architecture and offer solution for building application. • Implement new features and solutions. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.
Full-stack Developer
07.2020 - 12.2020 |Mickey Trader
Typescript, Express.js, PostgreSQL, Sequelize, Passport.js, Handlebars, sendgrid, nodemailer, Digital Ocean(Droplets, RDS), docker, JQuery, HTML, CSS, JQuery Datatable, Nginx, let's encrypt, pupperter, integration with documents services DocuSign, EasySign)
Trader platform for buy and sell woods. • Configure environment for application (CI/CD, SSL-certificate, Clouds). • Discussion architecture and offer solution for building application. • Implement new features and solutions. • Contribute to technical design. • Do bug fix and refactor solutions when needed. • Follow established engineering processes.
Typescript Developer
12.2019 - 07.2020 |Refenitiv
Typescript, Electron, Inversify.js, Mocha
Integration trader application with Microsoft Excel. • Implement new features and solutions in financial Electron application and DLL (Dynamic Link Library) for Excel. • Contribute to technical design. • Write unit tests and integration tests. • Do bug fix and refactor solutions when needed. • Support confluence documentation. • Follow established engineering processes.
Backend (Node.JS) developer
08.2019 - 12.2019 |Headspace
Lambda functions, DynamoDB, API Gateway, Node.js, Typescript, SQS, Swagger, Jasmine
Application for meditation and sleep. • Coding REST API with serverless framework. • Writing unit and integration test.

Educational background

Network of telecommunications
Belarusian State University of Informatics and Radioelectronics

Languages

EnglishUpper IntermediateRussianNative