Bachelor's degree, Mathematics

Scientific specialty. Mathematical logic, combinatorics, discrete math, Java entry level and a lot of other not so afterwards everyday-used disciplines... first by government university prestige national ranking popularity, toughness and coverage of diploma in EU

Mathematics and informatics speciality

Third high school by Bulgarian high school prestige national ranking at that year. Affiliate to Sofia university.

Senior BE Developer

Main from-scratch Projects

• Dockerization of the local environment for Vue SPA, Laravel, and Echo.
• Implementation of horizontal scaling and vertical descaling for a high-performance Laravel Redis setup handling 10 million operations per second.
• Planning for an ElasticSearch upgrade.

Senior BE Developer

Agile process. Planning and developing functionalities on the back-end stack on a per mini-project basis. Bug definition/reproduction/resolving. Stack including but not limited to Laravel/MariaDB/Elasticsearch/Redis and SaaS ecosystem - github, circleci, sentry, aws, docker, datadog...

Projects/tasks completed 0-100%, including research/requirements

• Orchestration module, time/workload based for AWS EC2 instances for fine cost optimisation
• Microsoft Teams notifications integration
• SCIM integration 50% RFC as per requirements
• In-house scaling solution for RDS -> ElasticSearch synchronisation process having 1kkk documents. In result the process can scale and can be tuned real time
• ISMS logging system
• High performance and density customer api with OpenApi

Other

• Various dashboards, tools including such for improving quality of life, and saving developer time, for the team or bringing more visibility
• Various performance deep analysis and root cause workaround/solve including strace deep-dive
• Various improvements of multiple existing products
  • ElasticSearch full text search aggregations
  • Rework feedback product - introduce hierarchy
  • More coverage and improvements for bot product
  • ...

Telecommunications Engineer ( Solution Architect and Backend dev responsibilities)

• ✔ Speak less
• ✔ Write more
• ✔ Ask more
• ✔ Think more
• ✔ Do more

Contractor for Nokia. Main client Vivacom. Overall 99% project execution automation achieved in a single responsibility model. Participating project/process/network design discussions actively. Single responsibility for design, implement, test, troubleshoot and deploy Cli PHP, SQL tool for mass configuration generation {6mb-12mb text} with 99.9% covered final configuration for the project. Input is parsed normalized tableized data. Multiple phases with 99.999% success (0% customer services downtime) and positive customer feedback requested/delivered parametrization and 100% project goals reached in planned schedule. Design, develop, support of multiple smaller tools for real time device data mining and data analysis, port mappings generation, configuration generation web interface and port mapping support using PHP, sql, vuejs. Primary goal and focus - uncompromising time/manpower saving with zero quality negative effect. Everyday using - PHP, laravel, SQL. Every month used - JavaScript, Vue.js, python, d3v3-5 and many own self helping tools solving specific problems.

Data Network Specialist

Implement IP/MPLS networks classified government and military projects.

CoFounder

omnix.link technical a-z portal design and development. Currently offline due to selling deal. Participate in network design of advanced control multi exchange with inter country connectivities system. Realization of laravel based web system for administrative and customer access for billing aware control of traffic allowance (direct web click resulting bgp neighbor reconfiguration) Project was acquired by MEGAPORT. The technical portal system was integrated into their CRM system.

Technical support NOC - MAN, IP and MPLS networks

Third and last escalation point in Vivacom for whole ip/MPLS network, all vendors - Cisco, juniper, Alcatel, Ericsson, Huawei, Zixel. Solve problems, if not workaround and coordinate final solution, if not open cases for bugs/misbehaviour on vendor support contracts proper priority. Position handles operational maintenance problems of the alive network, project problems, and all layer 2 and layer 3 network customers problems. Proactive analysis, data mining, integrate and maintenance of web/Cli tools per everyday needs and demands of a Telco network. Design and discussion of tools saving manpower/time for the well monitored/analyzed ongoing working processes. Escalate problems to Vivacom RD team. Not engaged with other than Vivacom as Alcatel Lucent customer of outsourced operations activities.

Technical support NOC - MAN, IP and MPLS networks

Third and last escalation point in Vivacom for whole ip/MPLS network, all vendors - Cisco, juniper, Alcatel, Ericsson, Huawei, Zixel. Solve problems, if not workaround and coordinate final solution, if not open cases for bugs/misbehaviour on vendor support contracts proper priority. Position handles operational maintenance problems of the alive network, project problems, and all layer 2 and layer 3 network customers problems. Proactive analysis, data mining, integrate and maintenance of web/Cli tools per everyday needs and demands of a Telco network. Design and discussion of tools saving manpower/time for the well monitored/analyzed ongoing working processes. Escalate problems to RD team.

Fault Management NOC

Talk phone customers or request problem information from front desk about all home and business services IP/MPLS, Man, VoIP of Vivacom. Self solve, escalate or correlate for mass problem definition, gather, analyze information, correlate and feed upper third and last escalation level before vendors.

Telephone Customer Support NOC

Talk phone directly to customers, self solve, coordinate or escalate their VoIP, mail, internet, VPN home and business services problems. Building notification pool for mass problems.