Sofia, Bulgaria · Available for opportunities

Simeon
Laplev

Software Developer · Full-Stack Engineer

5+ years crafting complex web systems at scale. Passionate about clean architecture, AI-augmented workflows, and building interfaces that feel inevitable.

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5+
Years Experience
2
Companies
15+
Technologies
∞
Problems Solved
About Me

Solving Problems
with Precision

I like to solve problems — whether that means designing a new solution from scratch, diving head-first into manual work done right, or rewriting a living system with professional vision. I always look for opportunities to improve in all aspects of development. To me, communication and open-mindedness is the key to bettering oneself.

Problem Solver Clean Architecture AI Enthusiast Legacy Modernization Team Player Continuous Learner
Work History

Experience

Amadeus Current · Full-time
Software Developer
Apr 2022 — Present · 4+ years · Sofia, Bulgaria

Building and maintaining complex enterprise-grade web UIs in the travel technology industry. Working with Angular over 3+ years to deliver sophisticated front-end systems at scale.

  • Developed complex web UI components using Angular, maintaining intricate business logic on the front-end
  • Leveraged AI (LLMs) to create web components that drastically improve user experience
  • Migrated legacy code with overwhelming functional scope — rewriting systems with high-level architectural vision
  • Maintained and extended Node.js back-end services in a distributed environment
  • Worked with Large Language Models to augment developer workflows and user-facing features
Angular Node.js TypeScript LLM / AI REST APIs Git
Acstre Full-time
Full-stack Developer
Jun 2019 — May 2021 · 2 years · Sofia, Bulgaria
  • Back-end development with ASP.NET MVC and .NET; refactored legacy code to clean code standards
  • Front-end with JavaScript (jQuery), CSS and Razor templating
  • Extended databases and wrote PostgreSQL stored procedures for feature support
  • Wrote a multi-threaded service library handling external calls with synced state
  • Created a WinForms app for external IO operations interfacing with a web app
  • Built a JS library communicating via custom protocol with a Windows service
ASP.NET MVC C# JavaScript PostgreSQL WinForms
What's
Next?
Open to opportunities
Technical Arsenal

Skills &
Technologies

⬡
Front-End
Angular (3+ years)
TypeScript
JavaScript / jQuery
CSS / Razor Templating
HTML5
⨨
Back-End
Node.js
C# / .NET
ASP.NET MVC
REST APIs
WinForms / Windows Services
◇
Data & AI
Large Language Models (LLM)
PostgreSQL
SQL
Computer Vision (thesis)
AI-augmented development
Academic Background

Education

Technical University of Sofia
BASc · Mathematics & Computer Science
Sep 2017 — Sep 2021

Bachelor's thesis focused on computer vision with a practical approach in robotics.

Grade: Excellent
High School “Hristo Botev”
Diploma · Mathematics & Natural Sciences
Sep 2012 — May 2017

Strong analytical foundation in mathematics and natural sciences.

Grade: Excellent
Let's Connect

Ready to build
something great?

linkedin.com/in/simeon-laplev
LinkedIn · Sofia, Bulgaria