Senior Backend Engineer - Remote, Contract

Job Description

🌎 Senior Backend Engineer - Remote, Contract - Xperteez Technology | Built In Companies Jobs Articles Can't find your company? Create a company profile. View All Jobs Join Log In For Employers Xperteez Technology Jobs 🌎 Senior Backend Engineer - Remote, Contract Xperteez Technology 🌎 Senior Backend Engineer - Remote, Contract Sorry, this job was removed at 02:03 a.m. (UTC) on Friday, Aug 28, 2026 Hiring Remotely in United States Remote Senior level HR Tech • Information Technology • Professional Services • Consulting The Role Design and implement realistic cloud infrastructure environments and reproducible distributed-system scenarios to evaluate AI model behavior. Build validation tests, golden references, and failure variants; document architectures and operational flows. Apply DevOps and automation to deliver secure, scalable systems and collaborate with technical leads on acceptance criteria. Summary Generated by Built In Role Title: Senior Backend Engineer Role Type: Contractor (At least 20 hrs per week) Location: Remote Required Skills C++ Python Rust GoLang JAVA JavaScript DevOps Scope of Work Design, develop, and implement realistic cloud infrastructure environments to evaluate AI model proficiency in systems design, deployment, and troubleshooting. Create detailed and reproducible scenarios involving distributed systems, networking, Identity and Access Management (IAM), message queues, persistent storage, observability, rolling deployments, and disaster recovery. Develop deterministic validation tests and golden reference solutions to ensure the reliability and accuracy of reinforcement learning environments. Produce intentionally defective variants and failure scenarios to rigorously test AI model responses and recovery strategies. Document the architecture, edge cases, and operational flows for all developed environments, ensuring clarity and reproducibility for future use. Collaborate with technical leads and project participants to iteratively refine environment specifications and acceptance criteria. Apply DevOps and infrastructure automation practices to deliver scalable, secure, and maintainable solutions for cloud-based systems evaluation. Preferred Qualifications Proven expertise with backend programming languages, such as C++, Python, Rust, GoLang, JAVA, or JavaScript. Strong practical experience with DevOps, cloud infrastructure, CI/CD pipelines, and automation tools. Demonstrated ability to architect, scale, and secure distributed systems in production-grade environments. Deep understanding of networking, IAM, queues, durable storage, and disaster recovery concepts. Process: Apply to the role, filling out the screening questions Complete AI interview (aprox. 30 minutes), reviewed by recruiters) Hiring Manager review Compensation Structure Compensation is output-based; experts are paid per task that meets the project specifications. The time required to complete work may vary depending on the expert’s experience and workflow. Minimum submission requirements apply. Experts must submit a minimum of tasks per week. Start Timeline & Availability We typically fill roles within 48 hours and are looking for experts ready to jump in right away. If selected, we expect you to start your first tasks within 24–48 hours of completing onboarding. Read Full Description Skills Required Proficiency in C++ Proficiency in Python Proficiency in Rust Proficiency in GoLang Proficiency in Java Proficiency in JavaScript Practical DevOps experience (infrastructure automation, deployment pipelines) Design and implement cloud infrastructure environments for testing and evaluation Experience creating scenarios involving distributed systems, networking, IAM, message queues, and durable storage Develop deterministic validation tests and golden reference solutions Ability to produce intentionally defective variants and failure scenarios Document architecture, edge cases, and operational flows for reproducibility Collaborate with technical leads to refine specifications and acceptance criteria Experience with CI/CD pipelines and automation tools Demonstrated ability to architect, scale, and secure production-grade distributed systems Deep understanding of observability, rolling deployments, and disaster recovery strategies Contractor availability for at least 20 hours per week Meet minimum weekly submission/task requirements as specified by the project View all jobs at Xperteez Technology View Xperteez Technology Profile Report Job Similar Jobs Bestow Back-end Engineer Big Data • Fintech • Information Technology • Insurance • Software Remote or Hybrid US 160 Employees 202K-238K Annually VetsEZ Senior Back-end Engineer Artificial Intelligence • Cloud • Information Technology • Machine Learning In-Office or Remote Dallas, TX, USA 144 Employees Dispel Senior Back-end Engineer Internet of Things • Cybersecurity &#x20