Simon Semakov Email & Phone Number

Cambridge, Massachusetts, Us

* Solved perf. bottlenecks by building monitoring dashboard, optimizing queries. * Proposed design for REST API V2 with improved consistency/security. * Designed integration with 3rd party M&R systems, implemented first integration. * Proposed ext. reports from main app. into separate system. * Re-designed, re-implemented system batch actions processing. * Improved test suite/CI config. to be more reliable/robust, reducing flaky test interruptions. * Proposed redesign for one of most business-critical app. sub-systems - Tallies. * Implemented a few product features/improvements. * Advocated for best engineering practices on fully remote team.

Boston, Ma, Us

Ruby-on-Rails, PostgreSQL, Javascript, React + Redux, Flow, Webpack, Heroku, AWS S3, Newrelic. * Co-authored dynamic role-based permission scheme for multi-tenant system.* Led transition from Rails HTML + jQuery UI to React UI on LevelUp systems.* Started, conducted, and promoted React dev talks for Rails developers.* Co-authored semi-automated customer scan solution.* Proposed and implemented streamlined design for credit calculation* Other features.

* Built a web-site hosting a number of C64 classic video-games. The web-site had an embedded player allowing an emulator to be run server-side and streamed the game to the browser. The games were fully playable with two separate streams over web-sockets for video + control (VNC - for fast prototyping reasons) and audio (ffmpeg). * Hosted the solution on GCP with configuration as code managed using Chef. * Built an auto-scaling solution for running emulator instances server-side.

Boston, Ma, Us

* Designed & implemented a pub-sub protocol for record sync between two systems w/similar data schemes; included gem & AWS SNS, CloudWatch, Lambda. * Built ActiveRecord ext. to enable Postgres table partitioning. Multi-thread file upload/download utility for FTP/S3/localhost sync. * Built stats dashboard for internal users using Angular. * Implemented multiple small products.

Us

* Founded and served as principal developer for news aggregation site trendwave.com. Enabled users to become editors and curators for news articles. * Secured pre-seed investment to pay for another developer and access ML technology for articles classification. * Brought website traffic up to 15,000 monthly users.

* Participated in a various outsourcing projects primary for Healt Care industry. * Maintained and improved several web applications deployed in hospitals (BWH, MGH), including Discharge, Order Entry, and Emergency Department Documentation applications. * Led an overseas outsourcing team in the development of the Discharge application. * Co-authored the architectural design and supervised the development of a mobile app used in the ER for securely capturing and transferring clinical images to EHR services, making ER personnel work more efficient and HIPAA compliant.

Nur-Sultan, Kz

• Built and oversaw the company’s development and QA departments, which worked on a variety of projects that varied in scope and scale.• Projects included: - A social startup platform allowing users to post “sticky notes” to any web page, which could be read by other users. Development included core website and backend, as well as multiple browser plugins. - A mobile version of the game Scrabble. - An online editor for a publishing company.• Served as key architectural designer for major projects.

Nur-Sultan, Kz

• Led development teams (up to 6 members) to build several web, desktop, and mobile applications include cross platform (Linux/MacOsX/Windows) version of ReGet Download manager.• Led QA automation efforts for key web project. • Promoted Agile development approach.

Nur-Sultan, Kz

* Developed a VoIP application using Android SDK v1.1 for a telecommunications company.* Participated as a speaker at Google I/O 2010 Moscow

Saint Petersburg, Ru

* Built test automation for ASN.1 parser and other libraries written in C++. * Wrote a cross-platform build system for C++ projects that took into account the libraries' dependencies. The first version was written in bash only; the next was in Python. * Helped to establish a C++ coding standard for the billing development team.

* Built a server cluster performance monitoring solution for Linux environments.

* Was one of the first hired test automation engineers, with a primary objective of writing unit-tests for C++ libraries on the Vessel Automatic Positioning System project.* Participated in eXtreme Programming development process.