🌎 Senior Backend Engineer - Remote, Contract

JobsCloseBy Editorial Insights

Xperteez Technology is seeking a Senior Backend Engineer for a remote contract role, at least 20 hours per week. You will work across C++, Python, Rust, Go, Java, JavaScript and DevOps to design, implement and validate cloud infrastructures that test AI model proficiency in distributed systems, IAM, messaging, storage, observability, rolling deployments and disaster recovery. You’ll craft deterministic validation tests and golden references, plus deliberate failure scenarios to probe resilience. Strong candidates bring proven backend language experience, cloud automation, CI/CD, and the ability to scale secure distributed systems. To apply, tailor your resume to show end-to-end environment design, provide examples of rapid onboarding, complete screening questions, and prepare for a ~30 minute AI interview; expect a fast start within 24–48 hours. Compensation is task-based with minimum weekly submissions.

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

1. Design, develop, and implement realistic cloud infrastructure environments to evaluate AI model proficiency in systems design, deployment, and troubleshooting.

2. Create detailed and reproducible scenarios involving distributed systems, networking, Identity and Access Management (IAM), message queues, persistent storage, observability, rolling deployments, and disaster recovery.

3. Develop deterministic validation tests and golden reference solutions to ensure the reliability and accuracy of reinforcement learning environments.

4. Produce intentionally defective variants and failure scenarios to rigorously test AI model responses and recovery strategies.

5. Document the architecture, edge cases, and operational flows for all developed environments, ensuring clarity and reproducibility for future use.

6. Collaborate with technical leads and project participants to iteratively refine environment specifications and acceptance criteria.

7. Apply DevOps and infrastructure automation practices to deliver scalable, secure, and maintainable solutions for cloud-based systems evaluation.

Preferred Qualifications

1. Proven expertise with backend programming languages, such as C++, Python, Rust, GoLang, JAVA, or JavaScript.

2. Strong practical experience with DevOps, cloud infrastructure, CI/CD pipelines, and automation tools.

3. Demonstrated ability to architect, scale, and secure distributed systems in production-grade environments.

4. Deep understanding of networking, IAM, queues, durable storage, and disaster recovery concepts.

Process:

1. Apply to the role, filling out the screening questions

2. Complete AI interview (aprox. 30 minutes), reviewed by recruiters)

3. 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.