Vlad S.

Vlad S.

Constanta, Romania
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About Me

I am a diversified web developer with an extensive background in systems administration and verified success in delivering exceptional technology solutions. Proficient in back-end and software development, I utilize PHP, WordPress, Go, and Python to develop fully functional and robust applications for clients. My experience as a System Administrator has added significant value to the quality of work I produce. I am a multi-faceted developer who brings strong knowledge of networks and Debian, GNU/Linux Systems. I am passionate about applying my knowledge and experience to quickly identify issues, create comprehensive solutions and build great products and services for clients. I take pride in the delivery and quality of my work by ensuring that all code is clean, secure, and accurately documented/formatted. <br>

Frontend

Backend

Other

Work history

UpStack
UpStack
Software Developer
2017 - Present (8 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

Team REQUEST
Team REQUEST
Shareholder, Web Developer
2016 - 2018 (2 years)
Constanta, Romania
  • Regularly developed websites using different technologies, identified and removed bugs from existing projects, and conducted post-development maintenance for clients.

  • Efficiently applied automation methodologies to client-side solutions by writing scripts in Python/JavaScript/Go to automate tasks, including importing/exporting data from/to various formats.

  • Served as a Linux System Administrator on various projects; reinforcing project development in all phases (Debian VPSs).

REQUEST dot RO, Constanta (Romania)
REQUEST dot RO, Constanta (Romania)
Web Developer
2015 - 2016 (1 year)
Constanta, Romania
  • Provided technical expertise as Linux administrator on different projects on behalf of Request.

  • Regularly participate in the development of frontend and backend web services on numerous projects using vanilla or framework driven PHP or Node.js

  • Provided technical support on Request's projects by investigating and solving complex technical problems swiftly and effectively.

Showcase

Web Developer / Software Developer - gofuzzyourself
Web Developer / Software Developer - gofuzzyourself
  • Developed a fast, simple, and tiny web fuzzer in Go.

  • Created a process flow to guide web developers and pen testers through endpoint routing and security rules.

  • Implemented security rules including GET, HEAD, POST requests, spoof headers, redirects, and random sleep times.

Software Developer - gofindssh
Software Developer - gofindssh
  • A Go tool for brute-forcing password authentication in SSH.

  • Gofindssh is designed to prevent users from using weak passwords.

  • It performs concurrent authentication attempts via a worker pool and checks for successful login.

Software Developer - gophirc
Software Developer - gophirc
  • A multi-server, event-based IRC framework written in Go.

  • The framework supports connecting to multiple servers concurrently using Go routines.

  • Features include immediate PING requests, automatic server registration, and channel joining.

System Administrator - Request dot RO
System Administrator - Request dot RO
  • Performed general sysadmin tasks on Debian GNU/Linux systems.

  • Managed servers and VPSs, including installing and configuring web servers for PHP applications or proxying traffic.

  • Identified, cleaned, and restored over 30 hacked domains, including reverse engineering of obfuscated web shells.

Web Developer / Software Developer - Request dot RO
Web Developer / Software Developer - Request dot RO
  • Implemented two-factor authentication (2FA) using SMS with multiple gateways (e.g., Nexmo).

  • Maintained consistent communication with clients via email, phone/conference calls, and Slack.

  • Demonstrates a collaborative team communication approach.

Web Developer - Team REQUEST
Web Developer - Team REQUEST
  • Developed a WordPress website with custom design and pages.

  • Migrated an existing simple HTML website to a fully functional WordPress setup.

  • Created and configured two custom contact forms with validation and captchas, and set up a Google AdWords campaign.

Software Developer - Word Spider
Software Developer - Word Spider
  • Developed Word Spider (Wospi) – a Python-based web crawler for generating word lists.

  • Implemented features to handle word length requirements, including custom user agents.

  • Created a feature to save stripped word versions, removing common symbols like dots, commas, and quotes.

Learnt
Learnt
  • Refactored old, non-standard code.

  • Improved API performance.

  • Implemented referring system with app and Stripe credits.

Education

Education
BSc. Telecommunications Engineering
Constanta Maritime University, Constanta (Romania)
2015 - 2019 (4 years)
Education
Computer Science
National College "Mihai Eminescu", Constanta (Romania)
2011 - 2015 (4 years)