Oleg Nechaev
Senior Full Stack Developer / Software Architect
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Profile
20+ years experience, challenging tasks, high performance and reliable solutions, author of some open source projects, it-competitions winner.
Proficient in a wide range of areas:
Select suitable servers / cloud providers and configure them.
Building clusters.
Develop backend, architecture, choose and optimize DB.
Develop frontend (js, html, css, js-frameworks).
E-commerce: develop reliable integrations for online payment systems and payment terminals (POS).
High-Performance: experienced in solving complex problems efficiently, with a background in sport programming.
Debugging and Software Maintenance: good at problem-solving, debugging skills, challenging bugs.
Capable of independently managing projects and develop from zero to production deployment.
Frontend
JavaScript, Angular.js, Vue, Svelte, Malina.js, jQuery, Bootstrap-CSS, HTML/CSS
Local-First, Offline webapp, IndexedDB, Animations, High-performance and lightweight webapps
Backend
Python, Node.js, C++, GoLang, SQL, SqlAlchemy
MySQL, MongoDB, Redis, MSSQL, SQLite
Linux, Networking, iptables
Nginx, Uwsgi, Gunicorn
AWS Services
EC2, ECS, Fargate, Lambda, S3, Glacier, Mailing, EFS, Networking, CloudWatch, RDS, CloudFront
E-Commerce
Swish, Stripe, Payson, Autogiro/DirectDebit, E-Invoice, CardPayment, Adyen-Payment (Klarna, Trustly etc), International Bank standard for financial messages (ISO 20022)
Payment terminal (POS), Bambora Terminal, Adyen Terminal
Integrations
IdrottOnline/Rbok, APN, Metra, Tidomat, BankID, SPAR, infrasec (ccu)
Facebook API, Twitter API
Clustering/Containerization
Docker, AWS ECS, LXC, Scaling, InvertedJson
Have experience with
Git, Mercurial (hg), SVN
AngularLight, CoffeeScript, Knockout.js
Async.io, Gevent, Tornado, Bottle.py, Django, Flask, Websocket, long-pulling, Ajax, ZeroMQ
HAProxy, Apache, Let's Encrypt, DNS handling, Sms-sending, Sentry
Cordova/Phonogap, Electron, SphinxSearch
Personal projects
Malina.js - blazing fast and lightweight web-framework
Education
Specialist/master degree, Electronics and Automation.