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CTO and cloud architect with 10+ years building and scaling consumer health products to 600,000+ users (4.8★, 10× App of the Day). I design secure, cloud-native systems on GCP with containerized microservices, event-driven messaging (Kafka / Pub/Sub), and fully automated CI/CD. Recently shipped production LLM features end to end on Anthropic Claude: multilingual prompt architecture, tool-use orchestration, deterministic output guardrails, and automated behavioral evaluation. Native iOS developer since 2013 (Swift, SwiftUI, Objective-C).…CTO and cloud architect with 10+ years building and scaling consumer health products to 600,000+ users (4.8★, 10× App of the Day). I design secure, cloud-native systems on GCP with containerized microservices, event-driven messaging (Kafka / Pub/Sub), and fully automated CI/CD. Recently shipped production LLM features end to end on Anthropic Claude: multilingual prompt architecture, tool-use orchestration, deterministic output guardrails, and automated behavioral evaluation. Native iOS developer since 2013 (Swift, SwiftUI, Objective-C).

Miklos Magyar

Architect, DevOps Developer, Cloud Developer, +3

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CTO and cloud architect with 10+ years building and scaling consumer health products to 600,000+ users (4.8★, 10× App of the Day). I design secure, cloud-native systems on GCP with containerized microservices, event-driven messaging (Kafka / Pub/Sub), and fully automated CI/CD. Recently shipped production LLM features end to end on Anthropic Claude: multilingual prompt architecture, tool-use orchestration, deterministic output guardrails, and automated behavioral evaluation. Native iOS developer since 2013 (Swift, SwiftUI, Objective-C).…CTO and cloud architect with 10+ years building and scaling consumer health products to 600,000+ users (4.8★, 10× App of the Day). I design secure, cloud-native systems on GCP with containerized microservices, event-driven messaging (Kafka / Pub/Sub), and fully automated CI/CD. Recently shipped production LLM features end to end on Anthropic Claude: multilingual prompt architecture, tool-use orchestration, deterministic output guardrails, and automated behavioral evaluation. Native iOS developer since 2013 (Swift, SwiftUI, Objective-C).

Available to hire

CTO and cloud architect with 10+ years building and scaling consumer health products to 600,000+ users (4.8★, 10× App of the Day). I design secure, cloud-native systems on GCP with containerized microservices, event-driven messaging (Kafka / Pub/Sub), and fully automated CI/CD. Recently shipped production LLM features end to end on Anthropic Claude: multilingual prompt architecture, tool-use orchestration, deterministic output guardrails, and automated behavioral evaluation. Native iOS developer since 2013 (Swift, SwiftUI, Objective-C).

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Hungarian

Fluent

English

Fluent

Thai

Beginner

Work Experience

CTO / Cloud Architect

September 1, 2016 - Present

Architected and built a full-stack secure backend for a global consumer product used by 600,000+ users, including iOS, iPadOS, and watchOS applications with ~99.9% stability and tens of thousands of daily users. Designed and scaled backend infrastructure from a single Firebase project to globally distributed, auto-scaling microservices on Google Cloud Platform. Implemented secure API gateway routing to a centralized REST API and forwarded requests to Dockerized microservices managed via load balancers and instance groups. Built asynchronous event-driven systems using Apache Kafka and later migrated to Google Cloud Pub/Sub for fully managed scaling. Integrated Elasticsearch for scalable search and implemented AI-enhanced features using OpenAI models for recognition, categorization, and insights generation. Shipped production LLM features with multilingual prompt and tool orchestration, deterministic runtime post-processing for brand voice enforcement, and automated behavioral evaluation

Independent iOS Consultant (Clean Code Software Kft, own company) at Clean Code Software Kft

May 1, 2016 - Present

Delivered multiple client projects remotely, including: (1) Messenger Factory: white-label business messaging app with deep UI customization; (2) Medical management system for Austria (vaccines, medication and document tracking for doctors, hospitals, patients); (3) Powermum: German fitness app that dynamically assembled workout videos with synchronized audio; (4) Lego: interactive video pre-view prototype built on advanced geometric calculations.

Independent iOS Consultant at Cleen Code Soft Kft (own consulting company)

May 1, 2016 - Present

Delivered multiple client projects through my own consulting company, including: a white-label business messaging app with deep UI customization (colors, icons, fonts); a medical management system for Austria covering vaccine/medication/document tracking across doctors, hospitals, and patients; a German fitness app that dynamically assembles workout videos with synchronized audio (adaptive sequencing, buffering, crossfade effects); and a 'Lego' interactive video preview prototype built on advanced geometric calculations.

CTO and Cloud Architect

September 1, 2015 - Present

Owned and designed the full architecture of a scalable platform serving iOS/iPadOS/watchOS apps used by 600,000+ users with ~99.9% stability. Built backend from a single Firebase project to globally distributed, auto-scaling GCP microservices. Implemented secure API gateway routing to REST services behind load balancers and instance groups; built asynchronous event-driven messaging using Apache Kafka and later migrated to Google Cloud Pub/Sub. Integrated Elasticsearch for scalable search across user- and system-generated data. Shipped AI health-coach production features using Anthropic Claude and OpenAI (tool use/streaming/prompt caching) including multilingual prompt architecture and automated LLM evaluation pipelines against live production data. Engineered deterministic post-processing for brand voice enforcement and built token-based quota & cost modeling aligned with subscription pricing. Delivered end-to-end CI/CD with infrastructure-as-code, supporting containerized deployments

iOS Team Lead at Piqniq

June 1, 2015 - September 1, 2016

Developed iOS and iPad applications for the product, conducted research and selected APIs for integrations, and implemented solutions to meet business requirements.

iOS Developer & Project Manager at Codecvision Kft

May 1, 2013 - March 1, 2015

Developed and project-managed 15+ applications, including telecom subscription management apps for millions of users, OTP Simple plugin work (shared map feature across the whole app), Batelco (Bahrain) consumer app with PayPal payment integration, iPad banking app for a major US bank with complex animations, and Szívett szívért (pulse measurement via smartphone camera and flash).

iOS Developer & Project Manager at Codevision Kft

May 1, 2013 - March 1, 2015

Developed and project-managed 15+ applications including: subscription management for a telecom app serving millions of users; OTP Simple with new plugins including a shared map feature across the entire app; 'Batelco' consumer app with PayPal payment integration; an iPad banking app for a major bank featuring complex animations; and 'Szív et szívért' pulse measurement using smartphone camera and flash light.