# Eric Mattern

> Senior Software Engineer @ The Ark Project

Location: New York City Metropolitan Area, United States
Profile: https://flows.cv/ericmattern

I’m a backend and AI-focused engineer passionate about building clean, scalable systems that solve real-world problems. I’m especially interested in how large language models can be integrated into reliable, production-ready infrastructure.

What drives me is designing thoughtful architecture, writing clear, maintainable code, and contributing to products that have meaningful impact. I’m always exploring ways to make AI more useful, accessible, and grounded in everyday applications.

Tech Stack:
Languages: Python, JavaScript, SQL, HTML, CSS
Frameworks & Libraries: Django, Django REST Framework, Next.js, FastAPI, Pandas
Databases: PostgreSQL, MySQL, Redis, AWS S3, Pinecone, Neo4j
Cloud & DevOps: AWS, Kubernetes, Terraform, Docker, Azure, GitHub

## Work Experience
### Senior Software Engineer @ The Ark Project
Jan 2024 – Present
• Built an agentic AI platform for B2B teams that turns conversations into real execution across email, phone, and SMS, automating workflows via third-party integrations.

• Architected AI-powered web interfaces and workflows used by 2,000+ users, accelerating revenue growth by shipping scalable, modular features end-to-end.

• Led the shift from Q&A to agentic execution, developing a custom AI agent framework with tool calling, structured workflows, and API integrations, expanding platform capabilities by 50%+.

• Shipped a multi-format knowledge platform (ingestion + rich metadata) and improved RAG retrieval workflows for faster, more accurate, context-aware answers.

• Designed and implemented a real-time AI phone assistant using Twilio WebSockets / Media Streams, supporting 3,000+ concurrent voice interactions with low-latency streaming and real-time AI responses.

• Supported production infrastructure on Kubernetes (EKS) leveraging ArgoCD for continuous deployment, autoscaling, and rollback automation to ensure high availability and reliability.

### Software Engineer @ Elite DNA Behavioral Health
Jan 2022 – Present | New York, United States
• Developed and deployed Python-based microservices and applications using major frameworks such as Django and FastAPI, with AWS, ensuring low latency, high availability, and scalability for a suite of healthcare applications.

• Spearheaded the development of a serverless event-driven pipeline for OCR of incoming patient referrals, achieving ~98% accuracy. Reduced manual processing time by 99.95%, cutting patient onboarding time from 72 hours to 2 minutes, while increasing staff efficiency by 150%.

• Engineered a conversational AI agent using LLMs, generative AI, and advanced RAG techniques, streamlining medical coding and provider credential verification. Reduced medical coding errors by 60% and sped up provider credential verification by 90%.

• Designed and implemented RESTful APIs, ensuring secure and scalable data exchange with seamless integration across microservices and client applications.

• Architected and managed AWS cloud infrastructure, prioritizing performance, security, and compliance.

### Junior Software Engineer @ Elite DNA Behavioral Health
Jan 2022 – Jan 2022 | Fort Myers, Florida, United States

### CEO & Founder @ Forty North Apparel
Jan 2016 – Jan 2021 | Long Island, New York


## Education
### Bachelor's degree in Criminal Justice/Police Science
John Jay College (CUNY)

### Zero To Mastery Academy


## Contact & Social
- LinkedIn: https://linkedin.com/in/eric-mattern-59a27724a

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Source: https://flows.cv/ericmattern
JSON Resume: https://flows.cv/ericmattern/resume.json
Last updated: 2026-04-13