Marcus Hobbs
AI Engineer, Engineering Manager
Hands-on engineer and engineering leader who builds and guides teams of pioneering AI engineers while ensuring enterprise-grade outcomes.
I create technical environments where innovative talent can push boundaries while delivering stable, scalable solutions that meet organizational requirements. My approach balances technical exploration with disciplined execution—transforming breakthrough concepts into production-ready enterprise systems.
About Me
- •I bridge the gap between cutting-edge AI engineering talent and enterprise production requirements.
- •My teams deliver both rapid innovation and production-grade stability.
- •I create environments where creative technical talent thrives while meeting stringent enterprise standards.
- •My leadership approach balances technical exploration with measurable business outcomes.
- •I specialize in translating experimental AI concepts into scalable, enterprise-ready applications.
Generative AI
OpenAI, Anthropic, OpenRouter, Vercel AI SDK, AWS Bedrock, HuggingFace, Remote MCP, Azure OpenAI Service
Mobile
iOS, Android, Swift Transformers, Llama CPP, React Native, Expo
Frontend
Next.js, React, Tailwind, Shadcn
Backend
Node.js, ASP.NET, SQL Server
Professional Experience
Planet DDS
Irvine, CA
2025 - Present
AI Innovation Lab
- •Next.js/React/Typescript front end
- •C# (ASP.NET Core Web APIs)
- •SQL Server with Entity Framework
- •Azure OpenAI Service
- •Azure DevOps
- •Azure Cloud
- •Voice Agents: Patient Portal, Hands-free Perio Charting
AI Portfolio
Remote
2023 - Present
Mastermind Alliance
- •Next.js/React/Typescript/Vercel serverless app
- •AI SDKs: Vercel AI, OpenAI, Anthropic, OpenRouter
- •Agentic Conversation Director
- •Dynamic system prompting, including roundtable of personas
- •Context window micro-management for conversational AI
- •Hot-swappable providers and models
- •Remote MCP, Tool use
- •* email for test credentials
Freelance
Remote
2020 - Present
Wilsonic MTS-ESP
- •C++ Cross-platform audio plugin for Mac, Windows, and Linux
- •Audio processing and UI leveraging JUCE.
- •Real-time microtonal scale design
- •Interactive exploration of mathematical objects leveraging psychoacoustics
- •Parameters automatable in the DAW
Brilliant
Remote
2023 - 2024
Senior Engineering Manager
- •Building scalable and efficient systems with AI and cloud technologies.
- •Building responsive and scalable frontend interfaces with React, Swift, and Kotlin
- •Implementing secure backend systems with Node.js and Vue
- •Creating GraphQL APIs
Credit Karma
San Francisco, CA
2019 - 2023
Engineering Manager II
- •Developed full-stack applications with React, Node.js, and MongoDB
- •Designed and implemented GraphQL APIs
- •Created responsive interfaces with React, Swift, and Kotlin
- •Implemented secure authentication systems
- •Implemented consistent revenue and engagement tracking
- •Built financial products with secure protocols for PII
AT&T
El Segundo, CA
2014 - 2019
Associate Director, Software Engineering
- •Led full-stack and mobile development of AT&T's streaming video service
- •Led Innovation Lab, prototyping ML use cases such as sentiment analysis of social media
- •Led large-scale projects such as brand refresh, React Native migration, and more
- •Managed projects with dependencies on multiple global vendors
DirecTV
El Segundo, CA
2011 - 2014
Senior Software Engineer
- •Migrated codebase from Objective-C to Swift
- •Implemented flagship iPad and Apple TV streaming apps
- •Integrated multiple third-party APIs
Skills & Expertise
Generative AI
LLMs, Agents, RAG, Embeddings
Building AI solutions using OpenAI Requests and Conversations API, Anthropic API, Vercel AI SDK, AWS Bedrock, OpenRouter, HuggingFace, and Azure OpenAI Service.
Mobile Development
iOS, Android
Building native applications for iOS and Android using Swift, C++, Kotlin, React Native, and Expo. Edge model inference via Swift Transformers and Llama CPP
Frontend Development
React.js, Next.js
Building responsive and interactive user interfaces with modern React features and Next.js for optimal performance.
UI/UX Design
Tailwind CSS, Material UI, Shadcn UI
Crafting beautiful and intuitive user interfaces with modern design principles and frameworks.
Backend Development
Node.js, ASP.NET
Creating robust server-side applications with focus on scalability and clean architecture.
Languages
TypeScript, JavaScript, C#, C++, Swift
Writing type-safe code for better maintainability and developer experience.
Database Management
Supabase, PostgreSQL, SQL Server
Designing and implementing efficient database schemas and queries for secure and optimal data management.
Version Control
Git, GitHub, Azure DevOps
Managing code versions efficiently with Git and collaborating effectively through GitHub.
Agile Methodologies
Scrum, Kanban
Working efficiently in agile environments with focus on continuous delivery.
My Services
GenAI Development
Building AI solutions and agents using OpenAI, Anthropic, Azure OpenAI Service, Vercel AI SDK, AWS Bedrock, OpenRouter, and HuggingFace. Implementing RAG systems and custom AI agents.
Mobile Development
Native iOS and Android applications built with Swift, C++, and Kotlin. Cross-platform development using React Native and Expo. Edge AI inference with Swift Transformers and Llama CPP.
Web Application Development
Custom web applications built with React, Next.js, and TypeScript. Modern UI/UX with Tailwind CSS and Shadcn UI, focusing on performance and user experience.
Backend Development
Robust and scalable server-side solutions using Node.js, ASP.NET, and C#. Database design with PostgreSQL, SQL Server, and Supabase. Enterprise-grade APIs and microservices.
Education
Bachelor's Degree in Mathematics and Computer Science
University of California at Riverside
Get in Touch
Contact Information