Mykola

MySQL, Nest.js, NodeJS, Redis,

Contact us and we will hire Mykola for your team.

About Mykola

Mykola is an experienced IT specialist with 8 years of experience in programming, focusing on technologies such as NodeJS, MySQL, Nest.js, and Redis. He is skilled in developing efficient and scalable software solutions for various projects.

Name: Mykola
Birthday: 1 Ncevy 1990
Degree: Znfgre
Experience: 10 Lrnef
Phone: +38 012 345 6789
Email: vasb@rknzcyr.pbz
Address: 123 Fgerrg, Bqrfn, Hxenvar
Freelance: Available

8

Years of

Experience

44

Happy

Clients

111

Complete

Projects

Skills

MySQL

99%

Nest.js

97%

NodeJS

94%

Redis

91%

Expericence


Senior Back-End Developer

Fern SDK | TiltCamp

Date: 05.2024 — Present


Project description
Technology stack: Typescript, Fern, OpenAPI (Swagger).

Responsibilities

Migrated an old typescript api client with more than 45 endpoints for a third-party service (crm, email, billing, support systems) to a new typescript sdk using the fern solution



Senior Back-End Developer

Provisioning systems for CoT (cloud of things). | GlobalLogic

Date: 01.2023 — 10.2023


Project description
Technology stack: Typescript, Kafka, MongoDB, Mongoose, Express, Tsoa, Chai, Mocha, Docker, Kubernetes, Azure

Responsibilities

Created validation and sanitization incoming data process in rest api services, k8s cronjob for sending email notifications about delayed fulfilment for orders, new gitlab pipelines for CICD. Worked on implementing new features in existing rest api services (for example new API endpoints, improvements in state machine).



Senior Back-End Developer

Smart home mobile application. | GlobalLogic

Date: 06.2021 — 01.2023


Project description
Technology stack: Typescript, Kafka, MongoDB, Mongoose, Express, Graphql, Apollo, Jest, Countly, Docker, Kubernetes, Openshift, React native.

Responsibilities

Developed new features in existing services such as creating and passing users data to countly through backend, created new functionality for the mobile application (backend part). Worked on some minor features in frontend part (with limited knowledge) and participated in codebase maintenance



Senior Back-End Developer

Cloud-based technology platform for construction materials suppliers, haulers, and buyers | GlobalLogic

Date: 11.2020 — 06.2021


Project description
Technology stack: Express, React, JSON-RPC, Jest, Swagger, Rockset (SQL), DynamoDB, AWS lambda.

Responsibilities

Worked on the integration of external systems via different protocols, improved the operation of existing features in accordance with business requirements, performed software maintenance across the codebase.



Senior Back-End Developer

Online food ordering platform that helps customers purchase food from restaurants (such as Burger King) via a delivery system (like Uber Eats) | Dev-Pro (Xenial)

Date: 09.2019 — 10.2020


Project description
Technology stack: Express, Swagger, Rabbitmq, Mocha, Chai, Supertest, Sinon, Docker, Pm2, MongoDB, MySQL, Kibana, Jenkins

Responsibilities

Created some new features in existing services, created new service for disabling or enabling stores inside delivery system (UberEats, Doordash, GrubHub), took part in code maintenance, reduced the number of server errors.



Senior Back-End Developer

Chatbots (twitter, telegram), REST API services, Workers (data mining, transformation) | Self-employed

Date: 11.2018 — 08.2019


Project description
Technology stack: Fastify, Swagger, CCXT, Telegraf, Twit, Reidis, Redisearch, Canvas, Docker, Docker-compose, Gitlab runner, Digitalocean, Heroku.

Responsibilities

Worked with twitter, telegram chatbots and customers internal microservices (REST API).



Back-End Developer

Service that collects market data (ETL process) | Luxoft (ConsenSys)

Date: 04.2018 — 10.2018


Project description
Technology stack: Express, React, CCXT, Redis, Timescale (postgresql), Sequelize, Mocha, Chai, Supertest, Swagger, Jenkins, Docker, Kubernetes, Kibana, Grafana, Prometheus

Responsibilities

Took part in developing and maintaining microservices (REST API service, workers for creating tasks, collecting and comparing data), worked with third-party APIs, wrote tests and documentation.



Back-End Developer

Social mobile application | YSV Digital

Date: 08.2017 — 02.2018


Project description
Technology stack: Twilio, Express, Websocket, RabbitMQ, Redis, MongoDB, Sequelize, Mocha, Chai, MySQL, S3, Swagger, Pm2.

Responsibilities

Participated in requirements definition and system design, developed a REST API service, and implemented a couple of microservices for collecting and processing user messages. Authored backend part documentation for the project



Back-End Developer

Mobile application for TV channel | NodeAds

Date: 12.2016 — 05.2017


Project description
Technology stack: Django, Tastypie, Rest framework, Celery, Supervisor, Gunicorn, Firebase, Nginx.

Responsibilities

Collaborated on the development of a Django REST API service, where I took part in creating several new features, including the donation and support modules. Wrote unit tests, actively participated in the deployment processes for new versions of the REST API service and contributed to the ongoing maintenance of the codebase.