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Back end engineer

Required Skills

python

java

node.js

restful-api

microservices

relational-databases

nosql-databases

data-modeling

system-security

authentication

authorization

aws

gcp

azure

docker

kubernetes

event-driven-architecture

serverless-architecture

ci/cd

automated-testing

code-review

mentoring

technical-leadership

written-communication

verbal-communication

problem-solving

team-collaboration

troubleshooting

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 Engineer

Job Type: Contract, Part time

Location: Remote

Job Summary:

Join our customer’s team as a Backend Engineer, where you’ll architect and build robust, scalable backend systems powering innovative digital products. Collaborate with top-tier engineers in a dynamic, expert environment while driving forward the core technology infrastructure. This is a fantastic opportunity for backend specialists passionate about solving complex challenges and delivering high-impact solutions.

Key Responsibilities:

Design, develop, and maintain scalable backend services and APIs that meet demanding performance requirements.
Collaborate cross-functionally to translate business needs into technical specifications and impactful backend solutions.
Optimize backend systems for reliability, security, and efficiency, ensuring seamless user experiences.
Write clean, well-documented, and thoroughly tested code, adhering to best engineering practices.
Participate actively in code reviews, mentoring, and knowledge sharing sessions with fellow engineers.
Monitor, troubleshoot, and resolve backend issues in production environments, targeting root causes and continuous improvements.
Contribute to architecture discussions and decisions, bringing innovative ideas and a solutions-oriented mindset.

Required Skills and Qualifications:

Proven expertise in backend development using modern programming languages (e.g., Python, Java, Go, Node.js).
Extensive experience designing and implementing RESTful APIs and microservices architectures.
Strong proficiency with relational and NoSQL databases, along with data modeling principles.
Deep understanding of system security, authentication, and authorization best practices.
Experience with cloud platforms (AWS, GCP, or Azure) and containerization (Docker, Kubernetes).
Excellent written and verbal communication skills, with a collaborative and proactive approach.
Ability to thrive in a fast-paced, fully remote expert team environment.

Preferred Qualifications:

Familiarity with event-driven or server less architectures.
Experience with CI/CD pipelines and automated testing frameworks.
Background in mentoring or technical leadership within backend teams.

Job Overview

Offered Salary

Career Level

Industry
IT & Software Developmentit

Experience

Qualification