Backend Developer — US

Core team
$140K - $220K/yr compensation

Required Skills

Node.js
Nest.js
AWS
PostgreSQL
DevOps
About micro1
micro1 connects domain experts to the development of frontier AI models. Real-world expertise is turned into training data, evaluations, and feedback loops that improve how models perform. AI labs and enterprises use micro1 to train models and build reliable AI agents through advanced evaluations and reinforcement learning environments. Experts contribute directly to how AI systems learn, reason, and perform across domains like finance, healthcare, engineering, and more. Our platform identifies and vets top talent through an AI recruiter, enabling high-quality contributions at scale.
Our goal is to enable 1 billion people to do meaningful work by applying their expertise to AI. We’ve raised $40M+ in funding, and our AI recruiter has powered over 1 million AI-led interviews as our global network of experts grows into the human intelligence layer for AI.

Job Description

Job Title: Backend Developer

Job Type: Full-Time

Location: Remote

Job Summary

Join our core engineering team as a Backend Developer, helping build and scale critical backend services. You’ll work closely with frontend, AI, and product teams while contributing to high-quality code, strong system design, and clear communication.

Key Responsibilities

  • Build and maintain backend services using Node.js and Nest.js.
  • Design and optimize PostgreSQL databases.
  • Develop scalable infrastructure on AWS/GCP, including serverless components.
  • Use Redis for caching, queues, and high-throughput workflows.
  • Ensure backend performance, reliability, and security.
  • Deliver clean, well-documented APIs.
  • Implement monitoring, logging, and alerting best practices.
  • Improve CI/CD pipelines and deployment workflows.
  • Participate in architecture discussions, code reviews, and planning.

Required Qualifications

  • Strong experience with Node.js and Nest.js in production environments.
  • Advanced PostgreSQL knowledge (modeling, queries, optimization).
  • Hands-on experience with AWS/GCP and serverless architectures.
  • Practical Redis integration experience.
  • Solid understanding of backend architecture, security, and performance.
  • Proficient with Git/GitHub and modern CI/CD tools.
  • Excellent written and verbal communication.

Preferred Qualifications

  • DevOps/IaC experience.
  • Knowledge of event-driven or real-time architectures.
  • Familiarity with microservices and distributed systems.

Compensation & Benefits Notice

The annual base salary range for this full-time position is $90,000–$140,000 USD. micro1 seeks to engage exceptional talent regardless of location and offers generous compensation packages to all employees. All employees are eligible for equity compensation, and employees may also receive performance-based bonuses, dependent on role and subject to company policies. micro1 provides a comprehensive benefits package, including up to 100% reimbursement for health-insurance premiums, paid time off, and additional benefits designed to support a high-performing, remote-first workforce.

Disclaimer

The information contained in this job posting, including but not limited to role responsibilities, qualifications, compensation, and benefits, is provided for informational purposes only and does not constitute a binding offer of employment. micro1 reserves the right to amend, modify, or withdraw any portion of this posting at its sole discretion and without prior notice. All employment decisions are made in accordance with applicable laws and regulations.

Regional Hiring Notes

This role is being hired in parallel across multiple regions due to coverage needs, compliance requirements, and time-zone alignment. Responsibilities and expectations are identical; employment terms vary by region.

This job is currently closed and not accepting applications. Thank you for your interest!

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