Java Full-Stack Dev: React/TypeScript + Spring Boot + AI

Ethereum Technologies; New York (NY); On-site; USD 90,000 - 150,000; Full time

Job summary

Ethereum Technologies in New York is seeking a hands-on Java Full Stack Developer with strong frontend and backend development experience who can contribute immediately, work independently, and leverage AI-powered development tools to accelerate software delivery.

Design, develop, and maintain full‑stack applications using React.js, TypeScript, Java Spring Boot or Python, and NoSQL databases like MongoDB, while integrating APIs and building data-driven solutions with an eye for productivity.

Qualifications

• Hands-on experience with React.js and TypeScript.
• Strong backend development experience with Java Spring Boot and/or Python.
• Working knowledge of NoSQL databases, preferably MongoDB.
• Practical experience using AI-powered development tools to accelerate coding and delivery.
• Hands-on experience with Cursor and/or VS Code.
• Good understanding of REST APIs, data handling, and reporting.
• Ability to work independently and contribute immediately with minimal supervision.

Responsibilities

• Design, develop, and maintain full-stack applications using React.js and TypeScript.
• Build backend services and REST APIs using Java Spring Boot and/or Python.
• Work with NoSQL databases such as MongoDB.
• Integrate APIs and develop data-driven applications, reporting solutions, and backend workflows.
• Leverage AI-powered development tools, skills, and connectors to improve development productivity and delivery speed.
• Collaborate with stakeholders and team members to deliver solutions with minimal ramp-up time.

Skills

React.js

TypeScript

Java Spring Boot

Python

MongoDB

REST APIs

VS Code

AI-powered tools

Tools

VS Code

Job description

Ethereum Technologies in New York is seeking a hands-on Java Full Stack Developer with strong frontend and backend development experience who can contribute immediately, work independently, and leverage AI-powered development tools to accelerate software delivery.

Design, develop, and maintain full‑stack applications using React.js, TypeScript, Java Spring Boot or Python, and NoSQL databases like MongoDB, while integrating APIs and building data-driven solutions with an eye for productivity.