Triplebyte Certified

Full Stack Web Development

HTML/CSS and JavaScript

Microverse React & Redux Module

Ruby on Rails

Microverse Ruby and Databases

Microverse HTML/CSS module

Microverse JavaScript Module

Certificate

Master's degree

Developing the project plan and related documents for a web based software application called “Documents Registry”. It is an application for creating, editing, storing and exchanging business related documents between the employee and the HR, payroll and related departments. Produced the MySQL DB structure and design. The server side of the application is based on MySQL and php platform and the client side on HTML 5.0, CSS 3.0 and Java Script. It should run on any device and/or platform on a standard web browser. Preparing the SRS document. Creating various  reports for the project status.

Software Development Project Manager, Contractor

Participating in different integration and configuration project for key customers like KPN and Vodafone. Integrating 4 new RNC 3820, software upgrade of 40 RNC’s and 4000 Node B’s. Lately working in Configuration Management - planning, re-tuning and configuration for 2G and 3G networks.

RAN Integration Engineer, Contractor

Dedicated UTRAN Support Engineer for Vodafone local account in Ericsson Romania. Daily activities includes faults finding, tracing, answering CSR in SMS. Responsible for 5 RNC (one type 3280) and 850 Node B, performing traffic analysis and recommends improvements. Involved in a recently migration to IP based Iub links troubleshooting, causing IP packets loss. Working with latest Ericsson OSS platform and AMOS tools.

UTRAN Support Engineer, Contractor

Market Lead for Central TX region. Performing base line parameters and RND CIQ audits, fine tuning the network performance. Using the OSS to perform different measurements like OCNS, UETR and UeH exception and analyzing log files and traces to find traffic affecting issues. Delivering daily network status report, using complex Excel spread sheet, involving VB scripts and functions. Utilizing moshell, perl scrip, SONAR and other Ericsson tools to extract, collect and present data about network characteristics. Working also as a First Line Support Engineer in WRAN group for a month.

UTRAN Tuning and Optimization Engineer, Contractor

Team lead engineer in Ericsson UTRAN integration project for Cingular UMTS market in Little Rock, Arkansas. Integrating, testing and deploying RNC, RXI and 140 Node B's (RBS's). Coordinating tasks with onsite field team, RF planning and optimization; troubleshooting and resolving problems related to connectivity, call establishment and HSDPA sessions; software updates and parameters settings. Extend the contract for O&M support for RNC and RXI for 1 year after the integration.

UTRAN O&M Engineer, Contractor

Consulting various GSM/UMTS customers on wide spectrum of implementation and integration activities.  Optimization projects for GSM customers. Analyzing exchange parameters settings, EOS and database parameters and providing designed custom solution for best performance in operators' network and improving KPI’s. Writing MOP (Methods of Procedure) and implementing changes requested. Directing and supporting the onsite testing and integration units. Remotely upgrading software - via OSS, remotely BSC/TRC and RBSC re-home.

Integration Engineer, Contractor

Creating and executing Systems Test Procedures for Reltec DISC*S family of Multiplexes, including different platforms FITL, MATRIX and SONET.
Testing various Digital Loop Carrier (DLC) services and modes: TR008 Mode I, and II, INA, DTA, TR-303 and ISDN.
Working closely with Software Department and Integration, defining the requirements and isolating faults.

System Test Engineer

Worldwide Second Line Support for GSM, CDMA and TDMA networks for MSC/VLR/HLR.
Received  training in operation and configuration of MGW, Cello based ATM switch, connecting it to different nodes in the UMTS network like RNC, SGSN and PSTN network using EMAS.
24 hours on-call, support, consultation, troubleshooting, debugging, and writing emergency corrections.
Thorough experience in design, implementation and troubleshooting E911 services phase 1 and 2 for major GSM operators in multi vendor environment. Software correction packages - development and testing. Key role in critical cut-off support and upgrades.
Projects
*MSC R10 FOA project and Customer Demo for T-Mobile. Responsible for developing, troubleshooting and executing Regression test and demo instruction for High Speed Signaling Link.
*GPS in mobile networks for AT&T Wireless. Installation, configuration, and support of Ericsson’s SMLC servers.
*GSM TTY Demo project for Cingular, including test, execution and support.

Technical Support Engineer

Developing test specifications, test instructions and plans for System and Function Test of Ericsson AXE 10 switches. Performing the test cases and troubleshooting the faults occurred. Lead System Engineer for charging and accuracy tests.

Highest Level Support Consultant at TAC support center on the CSE (Common Service Experience) project on Cingular and AT&T Wireless merger. Troubleshooting provisioning, load balancing, roaming, E911 and IN calls scenarios during migration of AT&T customers to Cingular network. Working with several of Cingular proprietary tools like Teligence, CARE, Snooper and Access7.

CTAC Support Engineer, Contractor

First line support for wireless operators in Germany. Responsible for 3G UTRAN, OSS and LTE products line. Handling customer requests tickets and projects support. O&M operations such as software and hardware upgrades, new sites integrations and commissioning, demos and presentation for the customer.
Projects: Telefonica O2 3G IPRAN swap, T-Mobile LTE Integration (PnP and USB).

Wireless Maintenance Engineer

Supporting the RF Optimization team in their daily drive test activity. Adding IRAT, and UTRAN neighbor relations, implementing parameters changes on RNC and Node B level, developing moshell scripts, using mobatch with the latest P7 software and Ericsson AMOS OSS related products. Utilizing T-Mobile specific software tools for network optimization. Troubleshooting any transmission or call setup/handover issues during testing. Creating detailed daily alarm report for more than 300 sites in PA market and verifying the call test data using KPI counters.

UTRAN Engineer, Contractor

<p>Design, development and support of web site, e-commerce store, blog and related social networks connections and presence. Utilizing HTML 5.0, CSS 3.0 and WordPress to build a responsive web site and online store. Maintaining the web site and the store with continuous improvements and additions, providing new features for interactivity, new shipping and payment methods, SEO, etc. Customizing the interface, adding additional language, troubleshooting performance and functionality issues. Supporting the web site and the store users with their questions, requests and online experience.</p>

Web Developer

● Led a team of 4 developers creating a React Native, MERN stack mobile app for Android and iOS - Adaptive Learning Management System, including a full-fledged Next.js Admin panel application for uploading the content.
● Playing a key role in the design and development of the Prime Investor Group website.
● Full stack web developer with Ruby, Rails, PostgreSQL and HTML/CSS, JavaScript React stack. Developing projects according to customer specifications and design.

Full Stack Developer

Full stack web developer - HTML, CSS, JavaScript, React, React Native, Ruby on Rails, PostgreSQL, Next.js, WordPress.

github

medium

productHunt

Know about Yuriy Chamkoriyski’s work experience, education, cohorts, certifications, and much more. Yuriy Chamkoriyski