Senior Java Engineer – AI Code Reviewer (Remote, Hourly)

SME Careers; Pakistan; Remote; PKR 2,066,000 - 4,822,000; Part time

Job summary

SME Careers is seeking a Senior Java Engineer for a fully remote, hourly contractor role. You will review AI-generated Java code, architectural solutions, and explanations, and generate high-quality implementations with reasoning steps.

Responsibilities include assessing solutions for accuracy, performance, and design, and providing clear, structured feedback. The ideal candidate has 5+ years of Java experience, deep Java knowledge, and strong English communication.

Qualifications

• Bachelor’s degree or higher in Computer Science, Software Engineering, or a related field.
• 5+ years of professional software engineering experience with Java on production systems.
• Deep understanding of core Java, concurrency primitives, and the Java Collections Framework.
• Extensive experience building backend services using Spring or Spring Boot, REST APIs, and microservice architectures.
• Strong grasp of software design principles, system design, and performance optimization in distributed Java systems.
• Minimum C1 English proficiency (written and spoken).
• Experience with Git, CI/CD pipelines, automated testing frameworks, and containerization technologies.
• Demonstrated code review experience and constructive feedback to peers.
• Experience with AI data training, annotation, or evaluating AI-generated content is a plus.

Responsibilities

• Develop AI Training Content: Create detailed prompts and responses to guide AI learning.
• Optimize AI Performance: Evaluate and rank AI responses for accuracy and relevance.
• Ensure Model Integrity: Test AI models for inaccuracies or biases and validate reliability.

Skills

Java programming

Core Java

Concurrency

Java Collections

Spring / Spring Boot

REST APIs

Microservices

Software design

System design & performance

Git & CI/CD

Automated testing

Containerization

Code reviews

AI data training (plus)

Education

Bachelor’s degree or higher in Computer Science or Software Engineering

Tools

Git

CI/CD pipelines

Automated testing frameworks

Containerization

REST APIs

Spring / Spring Boot

Job description

SME Careers is seeking a Senior Java Engineer for a fully remote, hourly contractor role. You will review AI-generated Java code, architectural solutions, and explanations, and generate high-quality implementations with reasoning steps.

Responsibilities include assessing solutions for accuracy, performance, and design, and providing clear, structured feedback. The ideal candidate has 5+ years of Java experience, deep Java knowledge, and strong English communication.