Mykola Ветеран

Mykola Kharechko CV
Location: Lviv, Ukraine

SUMMARY
Senior Software Developer with 17+ years in commercial IT. Expert skills in back-end development and testing with Python. Excellent knowledge of Django, AngularJS, Node.js, Dart. Strong knowledge of PostgreSQL, MySQL (Admin, Querying). Experience and proven ability developing React Native and Flutter applications. Experience with network, security, and system performance tuning. Familiar with Agile/Scrum methodologies. Creative, analytical thinker with demonstrated ability to troubleshoot problems, determine strategies to resolve issues and consistently implement effective solutions.

SKILLS AND EXPERIENCE

Years
Proficiency
Languages

Python

9
Expert
Javascript

5
Expert
HTML / CSS

4
Expert
Clojure

2
Expert
C/C++

1.5
Intermediate
python

Zope

6
Expert
Plone

5
Expert
Django

4
Expert
Flask

3
Expert
Twisted

3
Expert
Tornado

3
Expert
JavaScript

Typescript

1.5
Intermediate
ClojureScript

2
Expert
ES6

1.5
Intermediate
Frameworks (JQuery; React; Redux; Angular; Phaser)
Angular2;
2
Expert
Node.js.

1.5
Intermediate
Databases
/ Tools /
Products

MySQL

6
Expert
PostgreSql

2
Expert
ZODB

6
Expert

Years
Proficiency
Mongo
4
Expert
AWS DynamoDB
2
Expert
CVS
2
Expert
AccuRev / CVS / SVN / Git / Perforce
10
Expert
Hudson / Jenkins, TeamCity, Bitten, CruiseControl
3
Expert
Atlassian JIRA; Stash; Confluence; Crowd
4.5
Expert
OpenStack
1
Intermediate
AWS
AWS S3

1

Expert
AWS DynamoDB
1
Expert
Elastic Beanstalk
1
Expert
CloudFront
1
Expert
AWS Lambda
1
Expert
ElasticTranscode
1
Intermediate
Operating Systems
Linux

9

Expert
Mac OS
3
Expert
Android; iOS
0.5
Beginner
Foreign Languages
EnglishUpper-Intermediate

EDUCATION
Bachelor Degree in Computer Engineering, 2009
Polytechnic National University, Lviv, Ukraine

WORK EXPERIENCE
Self-Employed (Ukraine), 02/2022 – present
Senior Software Developer
BCV (Lviv, Ukraine), 10/2020 – 01/2023
Senior Software Developer
Emurgo (Lviv, Ukraine), 08/2018 - 01/2020
Senior Software Developer
Sigma Software (Lviv, Ukraine), 08/2016 - present
Senior Software Developer
SoftServe (Lviv, Ukraine), 08/2014 - 08/2016
Senior Software Developer
nCryptedCloud (Lviv, Ukraine), 08/2013 - 07/2014
Software Architect
Zencoo (Lviv, Ukraine), 05/2012 - 08/2013
DevOps EngineerMobsafety (Lviv, Ukraine), 09/2011 - 05/2012
Software Architect
Drucode (Lviv, Ukraine), 01/2011 - 09/2011
Tech Lead / Architect
SoftServe (Lviv, Ukraine), 06/2009 - 01/2011
Software Developer
Quintagroup (Lviv, Ukraine), 09/2004 - 06/2009
Software Developer

PROJECT EXPERIENCE

Senior Software Developer on BCV. BCV develop banking application with blockchain under the hood.
Responsibilities: Backend development, development of smart contracts.
Technologies: Ethereum, AWS, Solidity, Typescript, Node.js, Kubernetes
Duration: 2 years.

Senior Software Developer on Emurgo. EMURGO drives the adoption of Cardano and adds value to ADA holders by building, investing in, and advising projects or organizations that adopt Cardano’s decentralized blockchain ecosystem.
Responsibilities: Development of Tangata-Manu project https://github.com/Emurgo/tangata- manu , fixes to frontend https://github.com/Emurgo/yoroi-mobile , https://github.com/Emurgo/ yoroi-frontend
Technologies: MobX, React Native, Redux, Flow, NodeJS, Cardano, Postgresql Duration: 1.5 years.

Senior Software Developer on CoinWeb. It is a platform which allows creating own digital currencies on top of LiteCoin cryptocurrency. The platform represents an open source fork of Counterparty platform and the major difference is the blockchain used under the hood to manage transactions.
Responsibilities: developing, code review, design architecture, mentoring, documenting implementation, communication with customer.
Technologies: Python, Typescript, React Native, SQLite, Litecoin. Duration: 11 months.

Senior Software Developer on under NDA mobile project. A mobile cross-platform application which helps to rent or buy apartments in an easy way.
Responsibilities: develop user stories provided by the customer. Technologies: React-Native, ES6, Google Maps Mobile SDK. Duration: 3 months.

Team Leader on under NDA. This US startup is about the development of video streaming and social engagement platform, which allows the users to stream and watch their videos, to communicate and get relevant suggestions based on preferences and previous experience.
Responsibilities: code review, HLD of backend part of the project, documenting implementation decisions, HLD of integration testing.
Technologies: AWS Lambda, AWS (EC2, Amazon DynamoDB, Python, ES6, ReactNative. Duration: 8 months.

Tech Lead on AgProX. Growers information exchange service.
Responsibilities: developing and coaching and mentoring others, SCIONCC framework enhancements(refactoring/adding new functionality to form and core), design test automation flow, investigate tools for test automation, communication with the customer.
Technologies: leaflet maps, Backbone, PostgreSql, scioncc. Duration: 8 months.

Senior Software Developer on Cisco BDaaS. Big data as a service' platform for managing Hadoop stack at OpenStack platform.
Responsibilities: code review, HLD of backend part of the project, backend core development, and business logic at the backend, frontend development, documenting implementation, HLD of integration testing.
Technologies: Angular 1, Django, Horizon, Tornado, Flask, SQLAlchemy, OpenStack, Ansible. Duration: 10 months.

Software Architect on Mobsafety MDM. Secure Mobile Device Management. Responsibilities: backend development, design architecture, mentoring, code review. Technologies: Python, Flask, MongoDB, OpenSSL.
Duration: 11 months.

Software Architect on Jiuvy game. Online game for popular social networks for a wide audience of users.
Responsibilities: backend development, design architecture, mentoring, code review. Technologies: Python, MongoDB, Twisted, ZeroMQ.
Duration: 1 year.

Software Architect on ncryptedcloud.com. Service for encrypting data in cloud storages (Dropbox, etc.).
Responsibilities: backend: maintaining architecture, developing and supporting business requirements.
Technologies: Angular 1, Django, Python. Duration: 9 months.

DevOps Engineer on Zencoo. Service for remote team collaboration. Responsibilities: automation of deployment Java-based services.
Technologies: Puppet, Vagrant, Jenkins. Duration: 1 year.

Software Developer on Cisco Ironport. Email security solution for Enterprise companies. Responsibilities: development of backend scripts for processing data from MySQL. Technologies: Python, MySQL.
Duration: 1 year 6 months.

Software Developer on Plone/Zope. Various projects based on Plone/Zope platform including intranet portals and e-commerce solutions.
Responsibilities: web development, code review, communication with the customer. Technologies: Python, Zope, Plone, ZODB.
Duration: 5 years.