Mehmet Yasir Balcı
Software Engineer · M.Sc. Cybersecurity · Lisbon, Portugal
Summary
Full-stack software engineer who turns unfamiliar problems into shipped products across proptech, HR-tech, and real-time multiplayer. Currently extending my full-stack background into security engineering through an M.Sc. at Politécnico da Guarda, with hands-on research in AI-driven network defense and post-quantum cryptography. Strong in TypeScript, React, and Python. Basketball is my meditation.
Availability
open tofull-stack, frontend, backend, AI engineering, security engineering
arrangementon-site / hybrid in Lisbon or Porto, or remote within Portugal
noteJunior to mid roles. Already based in Lisbon — no relocation needed.
Metrics
97.75%IoT anomaly detection accuracy
16Concurrent players @ <50ms
200+Applicants auto-evaluated
500+Monthly organic visits in 3 months
Experience
Software Engineer · InspectOS (proptech · RE/MAX Wise partner) · LisbonAug 2025 — Feb 2026
- Architected a Next.js 15 & Supabase B2B2C platform (realestate-lisbon.com) connecting foreign investors with verified Portuguese real estate professionals; 500+ monthly organic visits within 3 months.
- Engineered an AI-driven candidate-scoring engine for a Talent Acquisition SaaS (notrecruiting.com), automating evaluation of 200+ applicants and accelerating hiring cycles by 40%.
- Implemented SEO strategies and interactive financial tools, boosting engagement by 35%.
Game Developer Intern · El Capitan Games (mobile-focused indie studio) · KonyaAug 2024 — Sep 2024
- Owned the full development lifecycle of a cross-platform mobile puzzle game in Unity: grid-based algorithms, recursive tile-merge logic, modular state management — shipped in a 4-week sprint.
Game Developer Intern · Skyweldrix (multiplayer-focused indie studio) · IstanbulFeb 2024 — Jun 2024
- Engineered core networking systems for a multiplayer FPS in Unity; real-time sync supporting 16 concurrent players at <50ms latency.
- Collision detection + player state (health/score/inventory), reducing desync by 60%.
Back-End Developer Intern · Thales Bilişim (Turkish software & IT solutions firm) · KonyaJul 2023 — Sep 2023
- Built 10+ RESTful API endpoints with Python (Flask) and SQL across 3 internal apps.
- Optimized queries, cut average API response time by 30%.
Education
M.Sc. Cybersecurity — Application Security · Secure Software Architecture · Quantum Information & SecurityOct 2025 — Present
schoolPolitécnico da Guarda · Guarda, PT
B.Sc. Computer Engineering — English-mediumSep 2021 — Jun 2025
schoolKonya Food and Agriculture University · Konya, TR
Erasmus Exchange — Computer EngineeringSep 2024 — Feb 2025
schoolPolitécnico da Guarda · Guarda, PT
Projects
Real Estate Lisbon2025
B2B2C proptech platform — foreign investors × Portuguese pros
stackNext.js 15 · TypeScript · Supabase · PostgreSQL · i18n · Vercel
NotRecruiting2025
AI-driven Talent Acquisition SaaS — automated candidate scoring
stackNext.js · TypeScript · Supabase Auth (Google OAuth) · Row-Level Security · AI scoring engine
AI-Powered Blockchain Firewall for IoT2026
ML anomaly detection × on-chain device revocation (97.75%)
stackPython · Scapy · Web3.py · Solidity 0.8.20 · Hyperledger Besu · Docker · scikit-learn · LightGBM
QIS Operational Platform2024
5-qubit simulator · QKD demos · post-quantum explorer
stackReact 18 · Vite · TypeScript · Three.js · mathjs
Titanic ML Pipeline2024
End-to-end classification: EDA, feature eng, model comparison
stackPython · pandas · scikit-learn · Jupyter
WordScope2025
AI language-learning tool with contextual analysis
stackNext.js 15 · React 19 · TypeScript · Supabase · Google Auth · Zod
TrustedBuildr2024
Tokenized home-financing platform with dynamic SEO
stackNext.js 14 · TypeScript · Programmatic SEO
TaskMaster2024
Task & time-management app with Pomodoro and dark mode
stackReact 19 · Vite · TypeScript · Tailwind CSS · Context API
Shadow Survivors2024 — 2025
Top-down shooter in Unity ECS (DOTS) · 300+ FPS · graduation project
stackUnity · C# · ECS/DOTS · Burst · Unity Jobs
APOCALYPTO2023
Adventure × parkour × stealth × racing — 1st place, MetaThon 2023
stackUnity · C#
LaughBali2024
Voice-controlled arcade — 3rd place, Global Game Jam 2024
stackUnity · C# · Voice input
De La Vega2026
Unity jam build — 48h, Global Game Jam 2026
stackUnity · C#
Skills
languagesTypeScript, JavaScript, Python, C#, Java, C++, Solidity
frontendNext.js, React, Tailwind CSS, Vite, HTML, CSS
backendNode.js, Express, Flask, .NET
dataPostgreSQL, Supabase, MongoDB, Firebase, MySQL
toolingGit, GitHub, Docker, Vercel, VS Code, Figma, Unity
security & mlApplication Security, Secure Software Architecture, Hyperledger Besu / Solidity, Quantum Information & Security, scikit-learn / XGBoost / LightGBM, LLM integration · prompt engineering
spokenTurkish (native), English (professional working)
Achievements
1stMetaThon Game Jam — Kapsül, 2023
3rdGlobal Game Jam — InnoPark, 2024
FinalistTEKNOFEST — with MAİ Technology Team, 2022
