Alex Tsvetanov

Bachelor of Engineering in Computer and Software Engineering

2023 - 2026

Technical University of Sofia, Bulgaria

Core subjects include: Programming (C, Python, Java, C++, C#), Data Structures & Algorithms, Operating Systems, Computer Architecture, Databases (incl. project work), Network Technologies, Mobile Development, Cryptographic Methods, Expert Systems, Logic Design, and High-Performance Computing. Foundation in Mathematics I–III, Physics, and Material Science.

Bachelor of Engineering Technology

2022 - 2023

Katholieke Universiteit Leuven, Belgium

Multidisciplinary curriculum covering applied sciences and technical communication: Mathematics, Physics, Graphic Techniques, Management, and Engineering Project Skills. Strong emphasis on group collaboration and lab-based learning.

Bachelor of Industrial Engineering

2021 - 2022

Technical University of Sofia, Bulgaria

Focus on Engineering Mathematics, Physics, Mechanics, Materials Science, Electrical Engineering, and Manufacturing Processes. Built foundational understanding of technical systems and analytical modeling.

Secondary Education

2013 - 2021

Sofia High School of Mathematics, Bulgaria

Profile: Mathematics and Informatics. Intensive training in advanced mathematics, algorithmic thinking, competitive programming, and applied computer science. Active participation in national and international contests.

C++ & Algorithms

2014 - 2018

Telerik Kids Academy

Hands-on programming fundamentals and problem-solving using C++. Built strong foundations in syntax, logic, and algorithmic thinking from an early age.

Algorithms & Data Structures

2012 - 2017

Telerik Algo Academy

Advanced training in algorithmic techniques including recursion, dynamic programming, graphs, and greedy algorithms. Participated in national coding competitions.

C#.NET

2016 - 2017

Telerik Software Academy

Focused on web development with ASP.NET. Covered server-side logic, MVC patterns, and RESTful services with C#.

Web Development

2016 - 2017

Telerik Software Academy

Developed full-stack web applications using Node.js, HTML, CSS, and vanilla JavaScript. Emphasized frontend-backend interaction and client-server architecture.

Summer Research School

2016 - 2018

Bulgarian Academy of Sciences

Research-focused program led by top scientists in Bulgaria. Participated in cybersecurity, AI, and systems modeling projects under academic mentorship.

Java Web Development

2017 - 2018

Telerik School Academy

Built full-stack web apps using Java and the Spring Framework. Focused on MVC architecture, dependency injection, and database connectivity.

SAP Geeky Camp 5.0

2018

SAP

Selective summer tech camp with intensive focus on algorithms, data structures, and solving real-world software engineering problems in teams.

Lightning Talk Speaker at OpenFest

Nov 2025

Sofia, Bulgaria

Delivered a 5-minute lightning talk on leveraging C++20 coroutines (co_await) over unified kernel I/O queues, covering the submit/completion queue model, a coroutine-friendly async I/O API, and a thread-pool executor design — demonstrating how modern C++ enables high-throughput, low-latency I/O with synchronous-style code.

Competitor – Sofia City Team in Algorithmic Programming

2013 - 2021

Sofia, Bulgaria

Competed in national and international algorithmic competitions over 8 years, solving challenging problems within limited time using advanced algorithms, data structures, and analytical thinking. Won numerous awards at both levels, becoming the youngest competitor on record at age 9 and the youngest gold medalist at age 10.

Organizer – Open Doors Day

2018 - 2020

Sofia High School of Mathematics

Organized three annual editions of the Open Doors Day event, where 19 alumni shared their career journeys post-graduation. Coordinated all logistics and communication with guest speakers, created the event schedule, and set up the server infrastructure for live streaming and online attendance.

Web Developer

2016 - 2019

Project "Testrain"

Developed the web interface for an experimental platform simulating emotional response theory based on Silvan Tomkins' work. Contributed to the visualization and interaction layer of the research tool used in academic experiments.

Student Mentor

2017 - 2018

Coder Dojo Bulgaria (organized by Telerik Academy)

Volunteered as a mentor guiding young learners (“Ninjas”) through basic programming concepts. Assisted them in building small personal projects, encouraged curiosity, and provided support during hands-on coding sessions.

1st place among university teams in the cybersecurity hackathon "Big SCHWARZ Interlude"

2025

Sofia, Bulgaria

Runner-up in President's awards "John Atanasov"

2019

Sofia, Bulgaria

Top 10 in International Entrepreneurship Competition with the startup "Headstarter"

2019

Ljubljana, Slovenia

1st place in National Entrepreneurship Competition with the startup "Headstarter"

2019

Sofia, Bulgaria

Bronze medal in International Competition in Algorithmic Programming "John Atanasov"

2017

Shumen, Bulgaria

Senior C++ Software Engineer

July 2025 - Present

Acronis, Sofia, Bulgaria

• Led a team of 4 to design and ship the Disaster Recovery (DR) engine for Cyber Frame and VHI, enabling natively integrated, secure IaaS resilience across 25 global data centers.
• Orchestrated licensing synchronization with Virtuozzo's Key Admin API, aligning complex feature requirements with backend capabilities to ensure predictable, ingress-free infrastructure pricing.
• Engineered high-performance C++ modules for data serialization and integrity, integrating with Golang microservices optimized to handle multi-terabyte Kubernetes clusters per user, meeting core scalability targets for next-generation backup operations.
• Implemented the cyber-pilot SDLC kit to drive AI-adoption within internal projects, streamlining the development lifecycle from business requirement analysis to low-level implementation.

Software Engineer

July 2023 - July 2025

Chaos Group, Sofia, Bulgaria

• Achieved 5x viewport speedup by re-engineering point-cloud transformations using xsimd for cross-platform SIMD abstraction (SSE/AVX-512).
• Architected and open-sourced the sketchup-cpp-api library to standardize plugin stability and eliminate cross-process memory corruption.
• Refactored rendering subsystems for thread safety and cache locality, eliminating high-frequency crashes across varied hardware and scene scales.

Software Architect

September 2022 - July 2023

SCIA, Leuven, Belgium

• Designed the migration of monolithic Visual C++ logic from legacy COM services to a modern gRPC and Redis-based architecture.
• Modernized the global build system using CMake and vcpkg, unblocking cross-platform development for legacy structural engineering software.
• Directed the evaluation and adoption of gRPC to replace aging internal protocols, ensuring long-term system scalability and interoperability.

C++ Back-end Engineer

June 2022 - September 2022

PokerStars, Sofia, Bulgaria

• Developed real-time limit-checking engines for a global platform peaking at 55,000+ concurrent players.
• Implemented backend logic for localized regulatory compliance and addiction prevention across multiple international jurisdictions.
• Engineered high-availability promotional systems with zero-tolerance for database inconsistency or latency in transaction-heavy environments.

Full Stack Engineer

2021 - 2022

VMware, Sofia, Bulgaria

• Optimized Solution Builder SQL queries, reducing execution from 30s to 1.5s and resolving systemic deadlocks for thousands of users.
• Delivered Spring Boot/Angular features for enterprise service bundling, managing complex role-pairing and automated quote generation.
• Acted as the primary technical resource for front-end performance and styling, mentoring the team on UI best practices and modular Angular components.

C++ Software Developer

May 2019 - September 2019

Codix, Sofia, Bulgaria

• Developed core financial modules including lending, factoring, and debt collection for 9 international Tier-1 banking and financial institutions.
• Maintained and extended high-stakes C++ "night jobs" and background processing services, ensuring data integrity for global financial close cycles.
• Implemented 100+ feature extensions within a shared codebase, balancing client-specific requirements with a unified product architecture.

Technical Trainer

2017

Software University, Sofia, Bulgaria

• Delivered Python programming lectures to a diverse group of learners, including working professionals retraining for software roles.
• Covered foundational topics such as syntax, control flow, functions, data structures, and OOP principles.
• Led live coding sessions, assigned practical exercises and homework, and evaluated performance through final exams.
• Adapted teaching style to accommodate varying experience levels and professional backgrounds.

Optimizing Asynchronous Event Dispatch in Modern C++ Publish/Subscribe Systems

Nov 2025

TELECOM 2025, Sofia, Bulgaria

DOI: 10.1109/TELECOM66943.2025.11304088
Full text available at IEEE Xplore

Modern C++ Publish/Subscribe Pattern: Design, Challenges, and Implementation

Nov 2023 - Nov 2024

2025 60th International Scientific Conference on Information, Communication and Energy Systems and Technologies (ICEST), Ohrid, North Macedonia

DOI: 10.1109/ICEST66328.2025.11098436
Full text available at IEEE Xplore

Matching Text from Start to Finish Against Multiple Regular Expressions

Nov 2023 - Nov 2024

32nd National Conference with International Participation (TELECOM), Sofia, Bulgaria

DOI: 10.1109/TELECOM63374.2024.10812214
Full text available at IEEE Xplore

An Analytical Outlook towards Digital Training Security Transformations

Nov 2016 - Nov 2017

ICAICTSEE-2017, UNWE, Sofia, Bulgaria

DOI: 10.13140/RG.2.2.20333.28645
Project: Modelling & Forecasting of Future Cyber Challenges in Mixed Realities
Full text available at ResearchGate

Web Developer and Co-founder

2018 - Present

Headstarter, Sofia, Bulgaria

Headstarter is an online platform that connects young people with the business. Everyone can find an internship or job position on the platform that saatisfies their desires and interests. The goals are to help studets choose their professional paths, get acquainted with the workers in their area, and gain experience.

Web developer and Founder

2016 - 2019

TechEdu++, Sofia, Bulgaria

The core aim of the project is to create an online learning management system that combines the best practices in organizing trainings so that it will be interesting, useful, and much more easier for the students.