Full-Stack Engineer (JSON Schema Developer)
$40 - $42/hourpay
Contractor
Remote
Required Skills
JSON
Schema Design
API Gateway
Data Validation
JSON Web Token
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 Summary:
Join our customer's team as a Full-Stack Engineer (JSON Schema Developer) and play a pivotal role in transforming complex documents into structured, actionable data models. You will leverage your expertise in schema design and data validation to build robust extraction schemas from intricate PDFs, ensuring data quality and seamless integration into downstream systems.
Key Responsibilities:
- Review and analyze complex PDF documents (ranging from 25 to 150 pages) to identify relevant data fields for extraction.
- Design and implement deeply nested JSON schemas from scratch, aligning with data modeling best practices.
- Define field types, naming conventions, and hierarchical structures to accurately model nested and repeated information.
- Embed granular validation logic, such as sum checks and null-testing, to ensure data integrity.
- Collaborate with API Gateway teams to design, document, and enforce API contracts using JSON Schema standards.
- Work closely with stakeholders to refine requirements, clarify ambiguities, and deliver clear, actionable schema documentation.
- Champion strong written and verbal communication, ensuring clarity in schema explanations and implementation guidance.
Required Skills and Qualifications:
- Proven experience designing complex JSON schemas, including objects within arrays and multilevel nesting.
- Strong proficiency in JSON, schema design, and data validation methodologies.
- Demonstrated ability to interpret raw documents and architect robust information models from scratch.
- Deep understanding of required vs. optional fields, data types, field descriptions, and validation rules.
- Hands-on experience with API Gateway management and defining secure API contracts.
- Practical knowledge of JSON Web Token (JWT) standards and secure data handling.
- Exceptional written and verbal communication skills, with attention to detail in documentation and collaboration.
Preferred Qualifications:
- Background in database design, data modeling, or backend engineering.
- Experience integrating JSON extraction schemas into automated data pipelines.
- Familiarity with regulatory or compliance requirements in data extraction and validation.