Backend Java Developer

Executive Staff Recruiters / ESR Healthcare; United States; Remote; USD 83,000 - 138,000; Part time

Job summary

ESR Healthcare is seeking a Backend Java Developer for a remote contractor role. You will design, develop, and maintain scalable backend services using Java and Spring Boot to support AI training pipelines.

You will collaborate with cross-functional teams, review technical specs, and ensure high-quality, secure, and reliable code. Prior experience with microservices and REST APIs is essential.

Qualifications

• Expert proficiency in Java and Spring Boot.
• Strong knowledge of microservices and REST APIs.
• Ability to write clean, maintainable code and communicate clearly.
• Experience collaborating with remote teams in fast-paced environments.

Responsibilities

• Design, develop, and maintain scalable backend systems using Java and Spring Boot.
• Architect robust microservices solutions to support complex application requirements.
• Collaborate with the customer's team to review technical specifications and deliver high-quality code.
• Contribute expert insights to improve application performance, reliability, and security.
• Participate in code reviews and provide constructive feedback to peers.
• Document technical processes and solutions with clear, concise written communication.
• Troubleshoot, debug, and optimize backend systems as needed.

Skills

Java

Spring Boot

Microservices

Clean code

REST APIs

Remote collaboration

Communication skills

Job description

Backend Java Developer

https://jobs.micro1.ai/post/d55f38c6-6fa4-420a-a184-cb4130eb5fcf?referralCode=1761f2a1-0970-4c4f-a273-a1b557d5ad9f&utm_source=referral&utm_medium=share&utm_campaign=job_referral

Job Type: Contractor

Location: Remote

As a Backend Java Developer, you'll apply your expertise to help train next-generation AI systems. Your work will shape how models learn, reason, and perform through high-quality, real-world input. No prior experience in AI is required - your domain knowledge is what matters.

Key Responsibilities

• Design, develop, and maintain scalable backend systems using Java and Spring Boot.
• Architect robust microservices solutions to support complex application requirements.
• Collaborate with the customer's team to review technical specifications and deliver high-quality code.
• Contribute expert insights to improve application performance, reliability, and security.
• Participate in code reviews and provide constructive feedback to peers.
• Document technical processes and solutions with clear, concise written communication.
• Troubleshoot, debug, and optimize backend systems as needed.

Required Skills and Qualifications

• Expert proficiency in Java programming language.
• Hands-on experience with Spring Boot framework for backend development.
• Strong knowledge of microservices architecture and design principles.
• Demonstrated ability to write clean, maintainable, and efficient code.
• Exceptional written and verbal communication skills, with a keen attention to detail.
• Experience collaborating with remote teams in a fast-paced environment.
• Solid understanding of REST APIs, data structures, and backend best practices.

Preferred Qualifications

• Exposure to cloud platforms such as AWS, Azure, or Google Cloud.
• Prior experience working on AI-driven or data-intensive projects.
• Background in high-availability or distributed systems.