Job Url: https://job-boards.eu.greenhouse.io/agency/jobs/4745192101 Job Description: Back to jobs SWE Infrastructure Specialist (Java) – Freelance AI Trainer Project World Wide - Remote Are you a Java-focused software engineer with strong infrastructure and systems expertise eager to help shape how AI understands large-scale software systems? As language models are increasingly applied to enterprise environments, their ability to reason about performance, reliability, and cloud architecture depends on high-quality expert guidance. That training data begins with experienced engineers like you. We’re seeking SWE Infrastructure Specialists fluent in Java with deep knowledge of systems thinking, architectural design, performance engineering, and quality assurance. You’ll challenge advanced AI models on complex infrastructure scenarios involving JVM-based services, distributed systems, cloud-native deployments, and enterprise-grade architectures, while documenting where models struggle to reason about correctness, scalability, and operational behavior. On a typical day, you will engage the model on Java-centric infrastructure and platform engineering tasks, verify architectural decisions related to concurrency, latency, throughput, and resource utilization, assess infrastructure and application-level testing strategies, analyze deployment and reliability risks, capture reproducible failure modes, and provide structured feedback to improve model evaluation and reasoning frameworks. A bachelor’s, master’s, or PhD in computer science, software engineering, or a related technical discipline is preferred. Hands-on experience with enterprise Java systems, cloud infrastructure, platform engineering, or SRE- and DevOps-adjacent roles is highly valued. Strong written communication and the ability to clearly explain system behavior and design decisions are essential. Ready to turn your engineering expertise into the knowledge base for tomorrow’s AI? Apply today and start teaching the model that will teach the world. We offer a pay range of $80-to-$150 per hour, with the exact rate determined after evaluating your experience, expertise, and geographic location. Final offer amounts may vary from the pay range listed above. As a contractor you’ll supply a secure computer and high-speed internet; company-sponsored benefits such as health insurance and PTO do not apply. Job title: SWE Infrastructure Specialist (Java) – Freelance AI Trainer Project Employment type: Contract Workplace type: Remote Apply for this job * indicates a required field First Name* Last Name* Email* Phone Country Phone Resume/CV* Attach Enter manually Accepted file types: pdf, doc, docx, txt, rtf Education School Select... Degree* Select... Discipline* Select... Start date year* End date year* Add another What country are you currently a resident of?* Select... If you are currently based in United States, please confirm your current state of residence. If you are based outside of the United States, select "I am not located in the United States".* Select... Please select all the languages you are proficient in.* Select... Proficiency means you can effectively communicate complex ideas, including academic or cognitively challenging topics, both verbally and in writing. This includes the ability to participate in professional conversations, explain nuanced concepts, and understand detailed instructions in the selected language(s) Don’t see your language listed in the language proficiency application question? Add it here — we want to make sure everyone’s included. Please select the skills category that best describes your core strengths from the list below.* Select... On average, how many hours per week are you available?* Please enter the number of hours you are generally available each week using numbers only. Decimals are allowed. Do not include text or symbols. Example: 40 or 32.5 Please provide your desired hourly rate in USD* Please enter your desired hourly rate in USD as a number only (no symbols, words, or ranges). Decimals are allowed. Do not include $, commas, or text. Example: 8.50 (for $8.50/hour) LinkedIn Profile* Please acknowledge that you have read and agree to our Privacy Policy. * Yes By clicking "Submit Application", you agree to Invisible's Privacy Policy. Powered by