Senior Executive Profile

Verified Europass 2026

Halil Ertekin

Senior Full Stack Developer · AI Systems Architect · Founder @ 2Run

Senior Full Stack Developer and AI Systems Architect with 10+ years of professional engineering experience shipping production web, mobile, and cloud systems across Belgium and Europe. Founder & sole proprietor of 2Run (KBO/BCE BE 1038.480.317, NACE 62.100/62.200) — specialized in end-to-end product engineering, real-time AI voice agents, native macOS tooling, and high-scale distributed applications. Senior Full Stack Developer at Probex (since Jan 2026), architecting ImmoStory.ai (cinematic AI video generation engine with Remotion & TTS), Tamam.be, and the core enterprise platform.

📍 Rollekens 83, 2400 Mol, Antwerpen, Belgium✉️ halil@2run.be 🌐 2run.be 💼 LinkedIn 🐙 GitHub (555+ repos)

Latest Update: September 2026

💼 Professional Experience

10+ Years Track Record

Founder · Principal Software Engineer · 2Run

2026-06 – Present

Rollekens 83, 2400 Mol, Belgium

Founder & sole proprietor of 2Run (KBO/BCE BE 1038.480.317), independent software & AI engineering company in Flanders, Belgium.
Engineered active product ecosystem: Tolky (low-latency Gemini Live real-time speech translation), ERLÍK (native Apple Silicon focus & telemetry engine in Swift/Go), HaloApp (WebRTC/PBX VoIP cloud communications), and MamaPapa / GlowNiq mobile apps (Expo/React Native).
Implemented Belgian B2B e-invoicing infrastructure on Peppol/Billit, event-driven thermal IoT print bridge (Qnack), and localized scraping pipelines (DataBE).

Senior Full Stack Developer · Probex

2026-01 – Present

Antwerp / Brussels, Belgium (Hybrid)

Architected and shipped ImmoStory.ai: Automated real estate video generation platform converting property listings into narrated videos via Remotion, multilingual TTS, Next.js 16, and NestJS.
Built Tamam.be: Full-stack home services marketplace platform connecting homeowners with verified Belgian trade professionals.
Developed Probex.immostory.one: Enterprise back-office dashboard with pipeline tracing, payment operations, and Peppol e-invoicing.
Orchestrated monorepo DevOps infrastructure using Docker Compose, self-hosted GitHub Actions runners, and automated CI/CD pipelines.

Full Stack Developer / Solution Architect · Independent Developer & Freelance

2020-04 – Present

Mol / Antwerp, Belgium

Built Paratura (paratura.be): Family event planning, shared expense vault, and real-time chat (React Native, NestJS, Supabase, Stripe & iyzico).
Developed Vetaverse (vetaverse.com.tr): Veterinary appointment scheduling platform, pet-care marketplace, and telemedicine portal with Expo and AWS.
Built Kinderverhaal (kinderverhaal.be): AI personalized storytelling engine generating tailored multi-chapter children stories in NL, EN, and TR.

Full-stack Developer · Demaz

2024-01 – 2025-03

Antwerp, Belgium (Hybrid)

Engineered enterprise mobile and web applications with React Native, React, Vite, and Next.js.
Built backend services using .NET, NestJS, and FastAPI with MongoDB and MSSQL databases.
Containerized entire workload with Docker and optimized Linux administration.
Successfully planned and executed infrastructure migration from Azure to Hetzner Cloud, slashing infrastructure costs by 60%+ while boosting performance.

Co-Founder · Barny Pet Market

2020-11 – 2024-09

Remote

Co-founded online pet product retail platform.
Managed core e-commerce infrastructure, automated order routing, and inventory sync systems.

Full Stack Developer · WinFakt!

2019-11 – 2020-03

Mol, Belgium

Developed desktop & web accounting software features and security modules for Belgian SME billing software.

Language & Professional Integration · Professional Development & Dutch NT2

2017-01 – 2019-09

Antwerp / Mol, Flanders, Belgium

Full-time NT2 Dutch language immersion up to professional level B1/B2 in Flanders.
Completed continuous professional training on cloud computing, modern TypeScript, and European business law.

European Career Transition · Relocation to Belgium

2016-10 – 2016-12

Antwerp, Belgium

Relocated from Turkey to Belgium; established European legal residence and operational base.

IT Support Technician & Media Specialist · Prof. Dr. Aziz Sancar School

2015-09 – 2016-07

İzmir, Turkey

Administered school IT infrastructure, network security, and computer systems.
Produced digital media, video editing for events, and institutional print publications.

Software Developer · Küresel Grup Bilişim / Kuresel Online

2015-06 – 2015-09

Bursa / İzmir, Turkey

Built online educational portal (ders.us) features using PHP, JavaScript, and MySQL.

🚀 Selected Production Deliveries & Platforms

12 Verified Deployments

Tolkytolky.be ↗

2026

Real-time bidirectional AI voice translation & meeting intelligence over low-latency Gemini Live WebSockets.

Full-duplex audio streaming, voice activity detection, and automatic meeting summaries.
Stack: Next.js 16, FastAPI (Python), WebSockets, Gemini Live API, Redis.

ImmoStory.aiimmostory.ai ↗

2026

AI Real Estate Video Studio converting listing URLs into cinematic narrated property videos in minutes.

5-step generation wizard, Remotion render pipeline, multi-language TTS (NL/FR/DE/EN).
Stack: Next.js 16, Expo (iOS & Android), NestJS, PostgreSQL, MinIO, BullMQ.

ERLÍKerlik.be ↗

2026

Native Apple Silicon performance telemetry, focus intelligence, and system activity engine in Swift & Go.

Distributed via Homebrew and npm; native macOS menu bar integration and CLI analytics.

Tamam.betamam.be ↗

2026

Belgian home improvement & trade marketplace connecting homeowners with verified contractors.

Quote comparison, review system, messaging, and Hetzner Cloud infrastructure.

HaloApp.behaloapp.be ↗

2026

Cloud VoIP telecom & WebRTC business communication platform with PBX routing.

FastAPI, Asterisk PBX 21, WebRTC, SIP trunking, Tailscale mesh connectivity.

Kinderverhaal.bekinderverhaal.be ↗

2026

Personalized AI storytelling platform for children with parental controls and multi-chapter books.

7+ characters, 11+ fantasy worlds, available in Dutch, English, and Turkish.

MamaPapamamapapa.be ↗

2026

Shared parenting, milestone tracking, and task delegation mobile app for European families.

Expo / React Native universal iOS & Android app, NestJS backend, real-time sync.

GlowNiqglowniq.be ↗

2026

AI skin analysis and beauty specialist consultation app with computer vision inspection.

Expo / React Native cross-platform app, Claude & Gemini vision models.

Paratura.beparatura.be ↗

2026

Family expense sharing, event scheduling, and personal vault application.

Next.js 16, NestJS, Supabase, Stripe & iyzico payments, WCAG 2.1 AA accessible.

Vetaversevetaverse.com ↗

2025

Pet product e-commerce marketplace with veterinary telehealth appointments.

Expo / React Native iOS & Android, AWS cloud, Stripe & iyzico integration.

Qnackqnack.be ↗

2025

IoT telemetry dashboard with MQTT-based thermal ESC/POS print bridge on Raspberry Pi.

Next.js, NestJS, MQTT broker, ESC/POS hardware bridge, InfluxDB.

Sılayolusilayolu.ertekin ↗

2025

Cross-border European route planning, border wait times, and road assistance platform.

Interactive Mapbox routing, live border camera feeds, multilingual support.

⚡ Core Competencies & Tech Stack

Architecture & Leadership

System ArchitectureMicro-FrontendsMulti-Agent AI OrchestrationModel Context Protocol (MCP)Spec-Driven DevelopmentCI/CD AutomationTechnical Due Diligence

Frontend & Mobile

TypeScriptNext.js 16React 19React NativeExpo (EAS)Swift (macOS)Tailwind CSS 4Three.js / WebGLFramer MotionState Management

Backend & Real-Time

Node.jsNestJS 11FastAPI (Python)Go.NET / ASP.NETWebSocketsWebRTCMQTTgRPCREST & OpenAPIAsterisk PBX

Databases & Storage

PostgreSQLMongoDBRedisDrizzle ORMPrismaTypeORMMinIO (S3)SupabaseVector Databases (Chroma/Pinecone)

AI / ML & Computer Vision

Gemini Live APIClaude Agent SDKOpenAI GPT-4VElevenLabs TTSRemotion Video RenderingLangGraphLocal LLMs (Ollama)RAG Pipelines

DevOps & Cloud Infrastructure

DockerKubernetesHetzner CloudLinux AdministrationGitHub Actions (Self-Hosted)CaddyNginxCloudflare TunnelsHashiCorp VaultGrafana & PrometheusSentry

Compliance & Payments

Peppol B2B e-Invoicing (Billit/Odoo)StripeMollieiyzicoRevenueCatBelgian KBO/VATGDPRKVKK

🌐 Key Open-Source Contributions & Tooling

Active GitHub Contributor

NousResearch / hermes-agentPR / Code ↗

Contributor

Fixed GLM-5.3 context length calculation (1M token window vs generic 202K fallback) with empirical needle-in-a-haystack verification up to 1.01M tokens.

PythonLLM ContextGLM-5.3Benchmarking

steipete / CodexBarPR / Code ↗

Contributor

Fixed defensive decoding for missing quota/token limit fields in z.ai upstream response format.

SwiftmacOSJSONDecoder

awesome-opencodePR / Code ↗

Contributor

Curated and contributed 8 new agentic ecosystem workflows, plugins, and QA runners.

EcosystemAgent Workflows

halilertekin / ERLÍKPR / Code ↗

Creator & Maintainer

High-efficiency Apple Silicon system activity & AI-agent telemetry daemon (~8 MB RAM) distributed via Homebrew tap & npm.

SwiftGoHomebrewSystem Telemetry

halilertekin / MenekşePR / Code ↗

Creator & Maintainer

Modern open-source AI-native email client with local BYO LLM integration for macOS, iOS, and Linux.

TypeScriptNext.jsAI MailOpen Source

halilertekin / CC-RouterMultiProviderPR / Code ↗

Creator & Maintainer

Intent-based multi-provider routing wrapper for Claude Code CLI to optimize cost and model latency across OpenAI, Anthropic, and local LLMs.

TypeScriptAgent RoutingCLI Tooling

🎓 Education

Dokuz Eylül University
2009-09 – 2015-06
BSc in Computer Science / Bilgisayar Programcılığı
İzmir, Turkey
Anadolu University (AÖF)
2015-09 – 2018-06
BBA in Business Administration & Management
Eskişehir, Turkey
Mithatpaşa Anatolian Technical High School
2006-09 – 2009-06
Technical Degree in Software Development
İzmir, Turkey

🌍 Languages

TurkishNative
EnglishProfessional Working (B2/C1)
Dutch (Nederlands)Professional Working (B1/B2 · NT2 Flanders)

2Run Digital Product Studio (KBO BE1038.480.317) · Mol, Antwerp, Belgium

Halil Ertekin

Senior Full Stack Developer · AI Systems Architect · Founder @ 2Run

⚡ Core Competencies & Tech Stack

Architecture & Leadership

System ArchitectureMicro-FrontendsMulti-Agent AI OrchestrationModel Context Protocol (MCP)Spec-Driven DevelopmentCI/CD AutomationTechnical Due Diligence

Frontend & Mobile

TypeScriptNext.js 16React 19React NativeExpo (EAS)Swift (macOS)Tailwind CSS 4Three.js / WebGLFramer MotionState Management

Backend & Real-Time

Node.jsNestJS 11FastAPI (Python)Go.NET / ASP.NETWebSocketsWebRTCMQTTgRPCREST & OpenAPIAsterisk PBX

Databases & Storage

PostgreSQLMongoDBRedisDrizzle ORMPrismaTypeORMMinIO (S3)SupabaseVector Databases (Chroma/Pinecone)

AI / ML & Computer Vision

Gemini Live APIClaude Agent SDKOpenAI GPT-4VElevenLabs TTSRemotion Video RenderingLangGraphLocal LLMs (Ollama)RAG Pipelines

DevOps & Cloud Infrastructure

DockerKubernetesHetzner CloudLinux AdministrationGitHub Actions (Self-Hosted)CaddyNginxCloudflare TunnelsHashiCorp VaultGrafana & PrometheusSentry

Compliance & Payments

Peppol B2B e-Invoicing (Billit/Odoo)StripeMollieiyzicoRevenueCatBelgian KBO/VATGDPRKVKK

🎓 Education

Dokuz Eylül University

2009-09 – 2015-06

BSc in Computer Science / Bilgisayar Programcılığı

İzmir, Turkey

Anadolu University (AÖF)

2015-09 – 2018-06

BBA in Business Administration & Management

Eskişehir, Turkey

Mithatpaşa Anatolian Technical High School

2006-09 – 2009-06

Technical Degree in Software Development

İzmir, Turkey