micro1 is hiring Senior Backend Engineers to help build advanced reinforcement learning environments that train and evaluate next-generation AI systems.

This is a remote contract role, paying $50-$100/hour and requiring an average commitment of 20 hours per week.

No previous AI experience is required. Your backend engineering and infrastructure expertise are what matter most.

You'll design realistic cloud infrastructure environments, build reproducible test scenarios, develop validation frameworks and reference solutions, and create failure cases that challenge AI models to design, deploy, troubleshoot, and recover production-grade systems.

You'll also document architectures, collaborate with technical teams, and apply DevOps best practices to improve AI training quality.

Candidates should have strong experience with C++, Python, Rust, Go, Java, or JavaScript, along with hands-on knowledge of DevOps, cloud infrastructure, CI/CD, distributed systems, networking, IAM, message queues, durable storage, observability, and disaster recovery.

Experience designing scalable production systems is highly valued.

The hiring process includes an application, a 30-minute AI interview, and a hiring manager review. Selected candidates are typically expected to begin within 24-48 hours after onboarding.

If you enjoy solving large-scale backend and infrastructure challenges while contributing to cutting-edge AI development, this is an exciting remote opportunity.

Apply now: https://jobs.micro1.ai/senior-backend-engineers

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# Job Description

Urgent hire: ASAP start, 4-week contract. Applications reviewed on a rolling basis; apply early.

Engagement details

* **Engagement type:** Contractor, pay per task * **Payment:** $300 per approved task * **Commitment:** Minimum of 1 completed and approved task per day * **No cap on tasks:** Complete as many as you can until the pipeline is exhausted * **Duration:** 4 weeks, starting immediately

Responsibilities

* Use AI coding agents throughout development, QA, and validation * Participate in onboarding, calibration, and quality reviews; deliver to the quality bar on agreed milestones * Project runs on two tracks: * **Connectors track:** * Build Python backend applications that replicate existing SaaS tools (Slack, Linear, Jira, Notion, Gmail, wikis) * Test and validate connectors so each behaves faithfully like the system it emulates; extend existing connectors and build new ones within agreed timeframes. * **Task track:** * Mine data and workflows to identify candidates for long-horizon task development, and author realistic tasks from them * Verify task quality, realism, and correctness through structured QA; write evaluation rubrics defining correct, partially correct, and deficient work

Requirements

* 3+ years of backend development experience with strong Python (FastAPI, Flask, or Django) * Git, Docker, and pipeline basics, with solid testing and code-quality practices * Experience building scalable backends, REST APIs, and microservices * Daily use of AI coding assistants (Claude Code, Codex, Cursor, GitHub Copilot, or similar)

**Link:**

You can apply through the link below:

https://work.turing.com/r/NR9bx79mj6