01.04.2025 aktualisiert


Premiumkunde
100 % verfügbarSenior App Developer iOS - Communications Technology Expert
Werl, Deutschland
Deutschland +2
Dipl. Informatik / Diploma in Information Technology - University of DortmundSkills
Total 30 Years of Client/Server and Communications Protocol Development skills
Mobile Application Devlopment using Flutter
- Dart Language Skills
- Using Flutter in existing Native Apps (iOS and Android)
- Flutter Web
AI Development and LLM experience
• API Integration & Model Deployment:
Proficient in integrating and optimizing large language models using platforms and APIs such as the OpenAI API, Ollama, Groq Cloud API, Hugging Face Inference API, Amazon AWS AI/ML Services. Expertise in crafting robust, scalable applications that utilize state-of-the-art LLMs.
• Advanced LLM Expertise:
Experienced with a variety of advanced language models including Llama 2/3, Mistral, GPT-4o, and others. Skilled in prompt engineering, model fine-tuning, and performance optimization to meet diverse project requirements. Experience in running LLMs locally (MacStudio M2 Ultra 190GB, NVIDIA® Jetson Orin™ Nano Super Developer Kit)
• Scalable AI Solutions:
Adept at designing and implementing production-grade AI systems that drive innovation and efficiency. Leverages specialized hardware acceleration (e.g., groq API) to ensure high-performance deployments in real-world scenarios.
• Collaborative & Forward-Thinking:
Known for collaborating effectively with cross-functional teams, staying ahead of emerging AI trends, and continually enhancing solutions based on the latest technological advancements.
Mobile Application Development Android (3 Years Android Developement Experience):
- Android API Level 23 -34
- Android NDK
- AndroidX
- Java & Kotlin
Mobile Application Development iOS (15 Years iOS Developement Experience):
- Swift & ObjectiveC
Audio API:
- AUGraph API for Audio Programming,
- Low Latency Audio Output and Recording,
- Audio Format Conversion,
- Realtime Mixing of various Audio Sources ,
- Silence Detection,
- Noise Reduction
Video:
- Low Level Video Recording API
- Fast Video Image Conversion using Maschine Programming (ARMV7 CPU Neon extensions)
- Image Rotation, Scaling, Cropping
- Image Format conversion (iPhone Camera Format into VP8 Video Format)
Open GLES 2.0:
- Open GL Shader / Vertex Programming
- Writing an OpenGL Video View for GPU accelerated conversion, rotation and presentation of streamed video data
Core Animation
- Building time based and interactive animations for presentation and transition of views
- Animation of controls
Encryption:
- Building an End-to-End encryption for multimedia chat base on Public/Private Key encryption with 2048 Bit Keys
Core Data:
- 6 Years of Core Data Programming experience
Network:
- Low Level Network Programming
- Implementation of RTP/SRTP Audio / Video streaming (Realtime Transport Protocol)
- Implementation of SIP (Session Initiation Protocol) for iOS
- AFNetwork Framework Programming
- NSURLSession Programming
Other Frameworks and Skills:
- StoreKit Framework
- Security Framework
- SystemConfiguration Framework
- AddressBook Framework
- CoreImage Framework
- CoreMedia Framework
Server Side Backend Development Skills:
- Java Application Development using Tomcat Application Server (15 Years)
- MySQL Database Development (15 Years)
- JSP / Struts
- XML / JSON / REST
- Java Socket Communication
- HTTP and HTTP/2 Communication
- WebServices API
- Spring/Spring Boot
- Java Native API (JNI)
- JavaFX
Cloud Services and Micro Services Skills:
- Amazon Web Services Cloud Architect (8 Years)
- Amazon EC2
- Amazon S3
- Amazon RDS
- Amazon SDK for Java and iOS
- Amazon ElastiCache
- Amazon Route 51
- Micro Services Architect based on Docker and Kubernetes
- Cloud Migration and RollOut
- Building Automatic Scaleable Cloud Services
Communication Skills:
- Development VoIP, Video and Conferencing Systems for Mobile Aplications
- SIP Protocol Development (Session Initiation Protocol) - Objective-C and Java
- RTP / SRTP Protocol Development (Realtime Transport Protocol) - Objective-C and Java
- WebRTC Protocol Stack Development
- iOS/Android Push Server Development
Mobile Application Devlopment using Flutter
- Dart Language Skills
- Using Flutter in existing Native Apps (iOS and Android)
- Flutter Web
AI Development and LLM experience
• API Integration & Model Deployment:
Proficient in integrating and optimizing large language models using platforms and APIs such as the OpenAI API, Ollama, Groq Cloud API, Hugging Face Inference API, Amazon AWS AI/ML Services. Expertise in crafting robust, scalable applications that utilize state-of-the-art LLMs.
• Advanced LLM Expertise:
Experienced with a variety of advanced language models including Llama 2/3, Mistral, GPT-4o, and others. Skilled in prompt engineering, model fine-tuning, and performance optimization to meet diverse project requirements. Experience in running LLMs locally (MacStudio M2 Ultra 190GB, NVIDIA® Jetson Orin™ Nano Super Developer Kit)
• Scalable AI Solutions:
Adept at designing and implementing production-grade AI systems that drive innovation and efficiency. Leverages specialized hardware acceleration (e.g., groq API) to ensure high-performance deployments in real-world scenarios.
• Collaborative & Forward-Thinking:
Known for collaborating effectively with cross-functional teams, staying ahead of emerging AI trends, and continually enhancing solutions based on the latest technological advancements.
Mobile Application Development Android (3 Years Android Developement Experience):
- Android API Level 23 -34
- Android NDK
- AndroidX
- Java & Kotlin
Mobile Application Development iOS (15 Years iOS Developement Experience):
- Swift & ObjectiveC
Audio API:
- AUGraph API for Audio Programming,
- Low Latency Audio Output and Recording,
- Audio Format Conversion,
- Realtime Mixing of various Audio Sources ,
- Silence Detection,
- Noise Reduction
Video:
- Low Level Video Recording API
- Fast Video Image Conversion using Maschine Programming (ARMV7 CPU Neon extensions)
- Image Rotation, Scaling, Cropping
- Image Format conversion (iPhone Camera Format into VP8 Video Format)
Open GLES 2.0:
- Open GL Shader / Vertex Programming
- Writing an OpenGL Video View for GPU accelerated conversion, rotation and presentation of streamed video data
Core Animation
- Building time based and interactive animations for presentation and transition of views
- Animation of controls
Encryption:
- Building an End-to-End encryption for multimedia chat base on Public/Private Key encryption with 2048 Bit Keys
Core Data:
- 6 Years of Core Data Programming experience
Network:
- Low Level Network Programming
- Implementation of RTP/SRTP Audio / Video streaming (Realtime Transport Protocol)
- Implementation of SIP (Session Initiation Protocol) for iOS
- AFNetwork Framework Programming
- NSURLSession Programming
Other Frameworks and Skills:
- StoreKit Framework
- Security Framework
- SystemConfiguration Framework
- AddressBook Framework
- CoreImage Framework
- CoreMedia Framework
Server Side Backend Development Skills:
- Java Application Development using Tomcat Application Server (15 Years)
- MySQL Database Development (15 Years)
- JSP / Struts
- XML / JSON / REST
- Java Socket Communication
- HTTP and HTTP/2 Communication
- WebServices API
- Spring/Spring Boot
- Java Native API (JNI)
- JavaFX
Cloud Services and Micro Services Skills:
- Amazon Web Services Cloud Architect (8 Years)
- Amazon EC2
- Amazon S3
- Amazon RDS
- Amazon SDK for Java and iOS
- Amazon ElastiCache
- Amazon Route 51
- Micro Services Architect based on Docker and Kubernetes
- Cloud Migration and RollOut
- Building Automatic Scaleable Cloud Services
Communication Skills:
- Development VoIP, Video and Conferencing Systems for Mobile Aplications
- SIP Protocol Development (Session Initiation Protocol) - Objective-C and Java
- RTP / SRTP Protocol Development (Realtime Transport Protocol) - Objective-C and Java
- WebRTC Protocol Stack Development
- iOS/Android Push Server Development
Sprachen
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