AI-Driven Full Stack Engineer — Security & Blockchain

Halborn Inc; Miami (FL); On-site; USD 110,000 - 150,000; Full time

Job summary

Halborn Inc in Miami, FL is seeking a Full Stack Software Developer to own features from database schema to production, combining React/TypeScript frontend with Python or Node.js services. You’ll build AI-enabled workflows and security-conscious products used by researchers and clients in the blockchain and fintech spaces.

You will design robust APIs, implement secure coding practices, and operate containerized services in the cloud, collaborating with security researchers, auditors, and product

Qualifications

• 4+ years shipping production web apps with front-end and back-end ownership.
• Strong React and TypeScript with modern state management and CSS skills.
• Server-side experience in Python, Node.js, or both, with REST/GraphQL APIs.
• Relational database experience (PostgreSQL preferred) including schema design.
• Cloud infrastructure, Docker, and CI/CD pipelines you configured.
• Proven AI-forward development: integrating LLM APIs into products and using AI tools effectively.
• Security-minded engineering practices and knowledge of common web vulnerabilities.

Responsibilities

• Design, build, and ship features end to end across a React/TypeScript frontend and Python or Node.js services.
• Model data and design APIs with stable contracts and scalable migrations.
• Build AI-native product capabilities: LLM orchestration, agentic workflows, and AI-driven data retrieval.
• Utilize AI coding tooling while maintaining secure, reviewable code.
• Automate internal engineering and security workflows to improve product surfaces.
• Write secure code by default with proper input validation, authentication, and secrets handling.
• Participate in code review as both author and reviewer to elevate code quality.
• Deploy and operate containerized services and cloud infrastructure with CI/CD and monitoring.
• Collaborate with researchers, auditors, and stakeholders to translate domain expertise into usable software.
• Contribute to technical direction, architecture choices, and documentation for the team.

Skills

React

TypeScript

Web development

Python

Node.js

REST/GraphQL APIs

PostgreSQL

Cloud + CI/CD

AI-forward development

Security-minded engineering

Tools

Docker

Git

Job description

Halborn Inc in Miami, FL is seeking a Full Stack Software Developer to own features from database schema to production, combining React/TypeScript frontend with Python or Node.js services. You’ll build AI-enabled workflows and security-conscious products used by researchers and clients in the blockchain and fintech spaces.

You will design robust APIs, implement secure coding practices, and operate containerized services in the cloud, collaborating with security researchers, auditors, and product