sites, web applications, web-based kiosks, mobile backend APIs

https://fosci.cloud/System Resource Planning is a small company, delivering an ERP system tailored for the prepared rations delivery companies with subscription model.PHP7, MySQL, Yii2, jQuery, CoffeeScript, Docker, Sentry, NewRelic, BitBucket Pipelines * developing, supporting and enhancing the system features * understanding business needs, negotiating and providing best solutions in terms of utility/cost * resurrected tests, implementing useful tests, running in the Bitbucket Pipelines and on developers' machines in docker * performing code review, merging, deploying, incidents recovery * introduced docker, sentry, newrelic

"Tochka" Bank - best bank for SMB according to MarksWebb Business Internet Banking Rank 2018. Filling DevExp, Project manager and Facilitator roles in the Development for developers circle I make it easier for other developers of the bank to create software according to the contemporary industry best practices. - assistance in communication between my team and the other teams, documentation improvement - DevOps evangelism - help and support of other teams in using circle's services with a focus on DevExp services and authorization service - tasks planning for DevExp services and authorization service - maintenance of the logs storage service, TeamCity and it's agents, incl. with Ansible - solving various problems with ELK, TICK, Docker, Docker Swarm, bash, Ansible, Portus, Grafana

- implemented new features and supported frontend (HTML/CSS/jQuery/node.js/Express.js/Stylus/gulp/Mysql/Redis stack), core and microservices with acceptance tests using mocha, codecept.io and selenium - implemented zero downtime upgrade and music genre detection system - introduced phabricator for project tracking and docker for local development - instrumented app with pmx to get stats and errors in keymetrics.io for fast errors detecting and created an open-source microservice for forwarding keymetrics.io errors/stacktraces as new bugs in phabricator (https://github.com/sheershoff/keymetrics-phabricator-gateway) - created an open-source cache storage engine for node-cache-manager (https://www.npmjs.com/package/cache-manager-fs-binary) to speed up the collage system tens to hundreds times- conducted an ad-hoc benchmarking of a patched PostgreSQL 9.6 in a docker container - created load-testing infrastructure of the whole project using Yandex.Tank and cache-mock proxy before the social network API endpoints with regulated latency to test the project for planned load, gave advices on improvements- was writing BigData/ML tasks server in C++ that uses FLANN

Been a tech-leader for the team of three developers: iOS, Android and MEAN stacks. Decided the bonus sizes. Project management, calculation of estimates for holding and custom projects. Participated in strategic sessions in holding HQ.Did the LAMP/MEAN development. Support and optimization of IT infrastructure.The project was closed due to financial reasons.

Discount club is a startup in loyalty programs and customer acquisition.Web site and mobile app software architecture, developing web site of the project, managing freelancers. Back-end + front-end. (Yii2, MySQL)

- supporting existing projects - new subsystem architecture and developing

Project management, big data team coordination, iteration planning, project estimates, reports, scrum meetings

understanding clients needs, storytelling, web sites prototyping, project management, LAMP developing, kanban/scrumLocal government sites support

high-load optimization, team hiring, planning and implementing new features

web-sites development, support, performance and search engines optimization (SEO)

Web-development, project management

improved responsiveness of "Transactions archive" module, created several modules for intranet and internet sites, made a promo web site

wrote CMS, ECM and several web-sites