Java Backend Engineer for AI-Driven Data & Microservices

Ethereum Technologies; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Ethereum Technologies is seeking a backend-focused engineer to design architecture and build reusable MCP servers, tools, APIs, and data integration services for AI agents.

You will work with Java/Spring Boot/Python, secure data access, RESTful APIs, microservices, and CI/CD practices, collaborating with architects and data engineers to translate business needs into scalable solutions.

Qualifications

• Strong hands-on development experience with Java, Spring Boot, and Python for building scalable backend services and applications.
• Experience designing solution architectures, RESTful APIs, microservices, and reusable integration components, with the ability to apply these skills to MCP server and tool development.
• Strong SQL skills and experience integrating applications with relational databases and data platforms, preferably Starburst/Trino.
• Experience building secure, high-performance data access services to query and expose curated data to downstream applications and AI agents.
• Strong understanding of authentication, authorization, API security, performance optimization, and troubleshooting.
• Strong software engineering practices, including Git, CI/CD, automated testing, code reviews, and containerization.
• Ability to collaborate with architects, data engineers, and application teams to translate business requirements into scalable, reusable technical solutions.
• Understanding of LLMs, agentic AI architectures, tool calling, and MCP, with the ability to support data agent development.

Skills

Java

Spring Boot

Python

API design

RESTful APIs

Microservices

SQL

Starburst/Trino

API security

Git

CI/CD

Automated testing

Code reviews

Containerization

LLMs

Agentic AI

Tool calling

MCP

Tools

Starburst/Trino

Git

CI/CD

Automated testing

Containerization

Job description

Ethereum Technologies is seeking a backend-focused engineer to design architecture and build reusable MCP servers, tools, APIs, and data integration services for AI agents.

You will work with Java/Spring Boot/Python, secure data access, RESTful APIs, microservices, and CI/CD practices, collaborating with architects and data engineers to translate business needs into scalable solutions.