Freelancers using GitHub in İstanbul

Freelancers using GitHub in İstanbulFreelancers using GitHub in İstanbul

Projects People

Kerem PARLAKGUMUS

İstanbul, Turkey

Multifaceted UX Researcher & Analyst with 10+ Years

Multifaceted UX Researcher & Analyst with 10+ Years

Cover image for Software Requirements Engineering for Startups

Software Requirements Engineering for Startups

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Cover image for Product Strategy & Market Alignment

Product Strategy & Market Alignment

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Cover image for Agile Project Consultation for FinTech Startup

Agile Project Consultation for FinTech Startup

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İstanbul, Turkey

AI, Software, Games & Cybersecurity Product Builder

New to Contra

AI, Software, Games & Cybersecurity Product Builder

Cover image for I built a modular RPG

I built a modular RPG inventory and crafting backend in modern C++17. The system combines inventory management, equipment slots, recipe discovery, crafting mastery, enchantments, item upgrades, armor set bonuses, shops, weighted loot tables, turn-based combat, and persistent save/load. The architecture is data-driven through JSON and designed for clean integration into larger game projects, with explicit error handling, modular systems, and configurable gameplay content.

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Cover image for I built Idiolect, an open-source

I built Idiolect, an open-source cross-lingual authorship attribution tool for OSINT and forensic linguistics. It compares writing samples across different languages using language-independent structural habits and multilingual style embeddings. The tool produces an attribution score, confidence level, and explainable feature breakdown, helping investigators and researchers identify potential links between pseudonymous authors without treating the result as a definitive verdict.

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Cover image for I built Aithena, an engine-agnostic

I built Aithena, an engine-agnostic NPC AI framework in modern C++17. It combines behavior trees, utility AI, GOAP, perception, memory, emotions, relationships, factions, economy, quests, and living-world simulation in one modular system. I also created a WebAssembly demo that runs directly in the browser, visualizing emotional contagion, memory decay, and rumor propagation between NPCs.

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Cover image for I built Context-Bridge, a self-hosted

I built Context-Bridge, a self-hosted shared memory infrastructure for multi-agent AI systems. It replaces oversized transcript passing with governed, task-scoped recall under explicit token budgets. The system combines hybrid retrieval, full provenance, confidence gating, duplicate suppression, contradiction detection, belief revision, agent reputation, procedural memory, and multi-tenant access control. It supports Qdrant, Redis, PostgreSQL, local embedding models, Docker deployment, and a typed Python SDK.

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buse nur akdeniz

İstanbul, Turkey

Mobile & iOS Developer building apps with Swift, Flutter, an

New to Contra

Mobile & iOS Developer building apps with Swift, Flutter, an

Cover image for SafeGuardian is an iOS application

SafeGuardian is an iOS application

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Cover image for Vitrin is a smart wardrobe

Vitrin is a smart wardrobe

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Cover image for Designed and developed a professional

Designed and developed a professional

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Cover image for Vitrin App Backend

Vitrin App Backend

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İstanbul, Turkey

Full Stack Enabler (Web, Mobile, DB, CI/CD)

Full Stack Enabler (Web, Mobile, DB, CI/CD)

Cover image for 34 Method - Backend Service

34 Method - Backend Service

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Cover image for 34 Method - Revamp Design

34 Method - Revamp Design

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Cover image for 34 Method - Mobile App Development

34 Method - Mobile App Development

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