Backend Developer — US

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

Required Skills

Node.js
Nest.js
AWS
PostgreSQL
DevOps
About micro1
micro1 is a data engine that helps AI labs train foundational models and enterprises build AI agents. We provide frontier evaluations and reinforcement learning environments used to improve LLM capabilities, as well as contextual evaluations used to monitor and improve AI agents in enterprise settings. Our data engine includes an AI recruiter agent that sources and vets domain experts, a data platform that enables rapid production of high-quality training data, and a pipeline performance system that ensures both quality and velocity.
Our goal is to have 1 billion people doing meaningful work by contributing their expertise to the development of frontier AI models. We’ve raised $40M+ in funding, and our AI recruiter has powered more than 1 million AI-led interviews as our global network of experts expands to form the human intelligence layer for AGI.

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.

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Please note that after completing the interview process, you’ll be added to our talent pool and considered for this and other roles that match your skills.

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