Remote Java Backend Engineer: Spring Boot & Microservices

YO AI Labs; Philadelphia (Philadelphia County); Remote; USD 83,000 - 124,000; Full time

Job summary

YO AI Labs is seeking experienced Backend Java Developers for a contractor role focused on AI training projects. You will design, develop, review, and optimize scalable systems using Java, Spring Boot, and microservices.

No AI experience required; strong backend engineering and the ability to deliver high-quality technical solutions are essential. You will collaborate with remote teams to build robust REST APIs, scalable services, and secure architectures.

Qualifications

• Strong proficiency in Java.
• Hands-on experience with Spring Boot.
• Strong understanding of microservices architecture and design principles.
• Experience developing scalable and maintainable backend systems.
• Solid knowledge of REST APIs, data structures, and backend best practices.
• Strong problem-solving and debugging skills.
• Excellent written and verbal communication skills.
• Strong attention to detail and ability to work independently.

Responsibilities

• Design, develop, and maintain scalable backend applications using Java and Spring Boot.
• Build and maintain robust microservices architectures.
• Develop and integrate REST APIs and backend services.
• Review technical requirements and deliver clean, maintainable code.
• Participate in code reviews and provide constructive technical feedback.
• Troubleshoot, debug, and optimize backend systems.
• Contribute to performance, reliability, scalability, and security.
• Document technical processes, solutions, and system designs.
• Collaborate effectively with remote teams and stakeholders.

Skills

Java

Spring Boot

Microservices

REST APIs

Backend Development

Distributed Systems

System Design

Code Review

Cloud Platforms

Debugging

API Development

Software Architecture

Job description

YO AI Labs is seeking experienced Backend Java Developers for a contractor role focused on AI training projects. You will design, develop, review, and optimize scalable systems using Java, Spring Boot, and microservices.

No AI experience required; strong backend engineering and the ability to deliver high-quality technical solutions are essential. You will collaborate with remote teams to build robust REST APIs, scalable services, and secure architectures.