Summary
Overview
Work History
Education
Skills
Software projects
Career advancement
Timeline
Generic
Svilen Vasilev

Svilen Vasilev

Sofia

Summary

Seasoned Linux System Administrator with 20+ years successfully managing diverse distros and multi-site installations. Proficient at streamlining all scales of system architecture, from single terminals to 50 networked servers. Expert at maintaining smooth operation of Linux-based hardware installations with dynamic performance in environments relying upon diverse operating systems. Solution-driven Senior Web Developer/ Linux Administrator adept at contributing to highly collaborative work environment, finding solutions and determining customer satisfaction. Proven experience developing consumer-focused websites using HTML, CSS, PHP, JavaScript, MySQL, NodeJS. Built products for desktop and mobile users over 20+ years, meeting highest standards for web design, user experience, best practices and speed. Designed and developed web applications across multiple APIs, third-party integrations and databases. Team Leader experienced in directing activities of workgroups. Develops strategies, provides training, sets goals and obtains team feedback. Excellent interpersonal and communication skills. Big picture focus with excellence in communicating goals and vision to succeed. Problem solver, networker, and consensus builder. Organized Team Leader builds positive rapport, inspire trust and guide teams toward achievement of organizational goals. Strong facilitator adept at working cross-departmentally with co-management and top-level leadership. Excellent trainer and mentor. Detail-oriented Computer Systems Engineer committed to improving system design and operations for reliable workflow management. Researches and implements budget-conscious security and encryption solutions to protect user privacy and increase overall network health. Creates easy-to-follow guidelines and troubleshooting documentation for non-technical staff.

Overview

16
16
years of professional experience

Work History

TeamLead DevOps /Lead Solution Architect

ECollect
02.2021 - Current
  • Promoted positive work environment by fostering teamwork, open communication, and employee recognition initiatives.
  • Coached team members in techniques necessary to complete job tasks.
  • Influenced positive change within organization through strategic thinking, innovation, problem-solving abilities, and consistent leadership style.
  • Optimized resource allocation by analyzing team member skills and project requirements, resulting in increased efficiency.
  • Collaborated with other department leads to streamline workflows, improve interdepartmental coordination, and achieve business goals collectively.
  • Mitigated risks through thorough analysis of potential issues and proactive development of contingency plans.
  • Coordinated with product management teams during development stages ensuring alignment with overall business strategy.
  • Enhanced system performance with well-designed infrastructure and application optimizations.
  • Directed and supervised multiple teams, engaged in infrastructure and software development
  • Led cross-functional teams for successful project execution while maintaining strong collaboration among team members

Freelancer

*
03.2020 - 01.2021
  • Enhanced client satisfaction by delivering high-quality work within deadlines.
  • Collaborated with clients to define project requirements and deliverables.
  • Adapted quickly to changing project requirements, demonstrating flexibility and adaptability under pressure.
  • Developed customized solutions to address unique client needs, resulting in repeat business and referrals.

Lead Developer

StreamEdge - startup
09.2018 - 03.2020
  • Advised senior stakeholders on correct project methodologies based on business goals and internal parameters for planned development tasks
  • Build server infrastructure and Database architecture needed to achieve project goals
  • Collaborated with project managers to select ambitious, but realistic coding milestones on pre-release software project development
  • Interfaced with front-end and back-end development teams to develop unified product, smoothing out coding conflicts before problems arose.

Senior Backend Programmer

CityCash Ltd
09.2018 - 03.2020
    • Identified issues, analyzed information and provided solutions to problems
    • Resolved problems, improved operations and provided exceptional service
    • Used coordination and planning skills to achieve results according to schedule.

Senior R&D Developer

Dopamine Ltd
11.2017 - 09.2018
  • Managed R&D projects, including setting timelines and coordinating deliverables
  • Modified existing software to correct coding errors, upgrade interfaces and improve overall performance
  • Reviewed user requirements, analyzed, designed, implemented, installed and delivered training for new applications
  • Coordinated with CTO to evaluate and improve software and hardware interfaces.

Senior Linux Administrator/PHP Developer/NetSuite Administrator

EnSite / TerapriseData
01.2016 - 01.2017
  • Implemented, developed and tested installation and update of file servers, print servers and application servers in all departments
  • Led server infrastructure development, quality assurance, staging and production systems
  • Diagnosed and executed resolution for all network and server issues
  • Monitored networks and network devices to resolve technical problems quickly
  • Analyzed complex project server issues and worked on large enterprise and business-critical applications
  • Performed network security design and integration duties
  • Designed and evaluated WAN and LAN connectivity technologies
  • Coded websites using HTML, CSS, JavaScript and jQuery languages.

Web Developer

Freelance
01.2014 - 01.2016
  • Conducted testing and review of website design for responsiveness, clarity and effectiveness
  • Collaborated with marketing department to determine organizational need and design pages to meet goals
  • Planned website development, converting mockups into usable web presence with HTML, JavaScript, AJAX and JSON coding
  • Engaged with Owners to plan, optimize and repair site issues and queries, in particular based on PHP/MySQL technology
  • Applied latest emerging technology, software and project application trends to update and maintain site applicability
  • Generated web hosting presence to accommodate specified needs, uploading and maintaining files on account
  • Conducted functional testing over course of web development lifecycle.

Linux System Administrator

Addeco / HP Bulgaria
01.2009 - 01.2010
  • Support on different Unix based systems located in remote data centers all over the world.

Education

High School Diploma -

Math High School "St. Kliment Ohridski"
Silistra
09.1999 - 2004.05

Skills

Linux Server Management

Infrastructure planning

Virtualization

Containerization

Project Management

Agile Workflow

Software Best Practices

PHP

MySQL

HTML

CSS

Vanilla JavaScript

JQuery

React

Vuejs

Redis

NodeJS

MongoDB

Apache

Nginx

Samba

Iptables

FTP

Grafana

Cacti

Graphite

Bash

GIT

Systemd-spawn

Postfix

Dovecot

Python

C

Perl

Gentoo

Debian

Ubuntu

Bulgarian

English

People Management

Team Management

Multiple Team coordination

Docker

AWS

Xen Orchestra

Nomad

Kubernetis

Mail configuration

DNS

Technical Analysis

Software Development

Machine Learning

Performance Optimization

Service-Oriented Architecture

Software Architecture Design

Security best practices

Strong Debugging

MongoDB

Scripting Languages

Monitoring and Logging

Infrastructure Automation

Configuration Management

Containerization Technologies

Cloud Computing Expertise

Database Administration

Microservices Architecture

Incident Management

Disaster Recovery

Network Administration

Problem-Solving

Software projects

  • INIO (in development), eCollect, high volume invoicing solution, build with microservice architecture,, event based triggers, build in migration and scalability on Infrastructure level.
  • Multilanguage ML chatbot, eCollect, based on Rasa framework with custom frontend extension.
  • URL shortener, eCollect, architected and helped build, custom short link generator
  • Event Sourcing software, eCollect, improving and extending the company software to meet the business needs.
  • EBICS and Bank Integrations, eCollect, extending the capabilities of the software and implementing different variants for integration
  • Migrator, Dopamine Ltd, CLI PHP tool for creation and management of MySQL databases versioning. Main features of this tool was assuring consistency of used DB version with software versions across all teams and team members working on the same project, supporting automated DB updates in production., PHP CLI, MySQL
  • Monitoring System, Dopamine Ltd, Project based on Grafana and Graphite time series database for monitoring and detecting problems with servers, databases, users activities, anti-fraud detection. All metrics were collected via custom coded sensors., PHP, MySQL, NodeJS, Grafana, Graphite, MongoDB, Bash Scripting
  • Customer Portal, EnSite / TerapriseData, PHP & MySQL system build with custom php framework to ensure best performance, integrated with NetSuite CRM/ERP system. The clients for the products are big companies like ABB group / Thomans&Betts, JT Packard, UnifiedPower, MBC, DigitalReality, PureAir and more., Custom PHP frameworks, MySQL, HTML, jQuery, CSS, API consumption, Linux Administration
  • NetSuite CRM/ERP, EnSite / TerapriseData, Administrating and supporting in house and clients instances of NetSuite, implementing new features through SuiteScript framework., SuiteScript, Vanilla JavaScript, HTML, CSS
  • Remote Hardware support, EnSite / TerapriseData, Supporting Installation and configuration of all necessary office equipment - Laptops, Networking (LAN/WAN), Printers, Backup Systems.
  • Credit Manager, CityCash Ltd, CRM system processing and storing all loans applications and payments., PHP Laravel Framework, MySQL, HTML, CSS, Bootstrap, HTML to PDF
  • StreamEdge.me, StreamEdge, Service for creating a customized reports for streamers in twitch.tv streaming platform. Building of twitch.tv metrics plugin., PHP, Nginx, Laravel, NodeJS, MongoDB, MySQL, React
  • StreamServant.com, StreamEdge, Website intended to popularize streamers from different live streaming platforms (Twitch.tv, Youtube.com, Mixer.com) by serving live streams from all platforms on single website and introducing innovative search and filtering system., Custom PHP Framework, Nginx, MySQL, Sphinx Search Engine
  • Shavenation.com, Freelancer, Online shop based on Zen Cart, PHP, MySQL, HTML, CSS, jQuery, Linux Administration
  • Bluebottlecoffee.com, Freelancer, Online shop for schedule roasted coffee ordering., PHP, MySQL, HTML, CSS
  • Theperfectrug.com, Freelancer, Online shop with platform for ordering customized rugs with innovative and complex price calculation., PHP, MySQL, HTML, CSS, jQuery, Linux Administration
  • F-stop.co.nz, Freelancer, Photo Studio online site with custom online photo editing software, PHP, MySQL, HTML, CSS, jQuery, Linux Administration
  • Medical Billing software, Freelancer, Software to process medical bills to MediCare and Private Health insurance companies., PHP, MySQL, HTML, CSS, jQuery, CodeCharge Studio, HTML to PDF, PDF forms

Career advancement

  • Senior Web Developer / Linux System Administrator, Dopamine Ltd, Implemented, developed and tested installation and update of file servers, print servers and application servers in all departments. Led server infrastructure development, quality assurance, staging and production systems. Diagnosed and executed resolution for all network and server issues. Monitored networks and network devices to resolve technical problems quickly. Analyzed complex project server issues and worked on large enterprise and business-critical applications. Performed network security design and integration duties. Designed and evaluated WAN and LAN connectivity technologies. Coded websites using HTML, CSS, JavaScript and jQuery languages.
  • Senior R&D Developer, CityCash Ltd, Managed R&D projects, including setting timelines and coordinating deliverables. Modified existing software to correct coding errors, upgrade interfaces and improve overall performance. Reviewed user requirements, analyzed, designed, implemented, installed and delivered training for new applications. Coordinated with CTO to evaluate and improve software and hardware interfaces.
  • Senior Backend Programmer, StreamEdge, Identified issues, analyzed information and provided solutions to problems. Resolved problems, improved operations and provided exceptional service. Used coordination and planning skills to achieve results according to schedule.
  • Lead Developer, StreamEdge - startup, Advised senior stakeholders on correct project methodologies based on business goals and internal parameters for planned development tasks. Build server infrastructure and Database architecture needed to achieve project goals. Collaborated with project managers to select ambitious, but realistic coding milestones on pre-release software project development. Interfaced with front-end and back-end development teams to develop unified product, smoothing out coding conflicts before problems arose.
  • Team Lead DevOps, eCollect - Containerized the company software and migrated from On-Prem to Cloud infrastructure. Helpt with the optimization of the software efficiency to be able to process x10 the volumes. Cost optimization. Communication channels optimizations that helped with customer reachability.
  • Chef Solution Architect, eCollect - Build Software and Infrastructure Architecture for new project capable of processing 100 times the volumes of the current software used in the company. Build software architecture for various microservices improving the entire business processing capabilities. Customer relationship management and implementation support. Helped in the negotiations for selling the company. Implementation of security procedures and optimization on various other process and procedures inside the company.

Timeline

TeamLead DevOps /Lead Solution Architect

ECollect
02.2021 - Current

Freelancer

*
03.2020 - 01.2021

Lead Developer

StreamEdge - startup
09.2018 - 03.2020

Senior Backend Programmer

CityCash Ltd
09.2018 - 03.2020

Senior R&D Developer

Dopamine Ltd
11.2017 - 09.2018

Senior Linux Administrator/PHP Developer/NetSuite Administrator

EnSite / TerapriseData
01.2016 - 01.2017

Web Developer

Freelance
01.2014 - 01.2016

Linux System Administrator

Addeco / HP Bulgaria
01.2009 - 01.2010

High School Diploma -

Math High School "St. Kliment Ohridski"
09.1999 - 2004.05
Svilen Vasilev