Founding Engineer - Clean Data Layer for AI Systems
About the Role
We are seeking a Founding Engineer to join our team and help build the clean data layer for AI systems. This is a unique opportunity to work at an early-stage, YC-backed company that is transforming how businesses manage and utilize data. As a Founding Engineer - Clean Data Layer for AI Systems, you will play a pivotal role in shaping the future of our platform, which aims to turn messy, unreliable data into accurate, validated inputs through a combination of AI and expert human review.
What You'll Do
- Design and build backend systems for data extraction, validation, and retrieval.
- Develop and optimize AI-powered workflows for speed, accuracy, and reliability.
- Work across the stack, including Python services, data and LLM pipelines, and TypeScript-based interfaces.
- Experiment with, fine-tune, and evaluate LLMs on real-world data challenges.
- Build internal tools and automation to improve engineering velocity and data review quality.
- Collaborate closely with the founder to shape product strategy and technical direction.
Requirements
- 2+ years of experience in full-stack, backend, or infrastructure engineering.
- Strong software engineering fundamentals and ability to work across systems and data layers.
- Experience with Python and enthusiasm for working with AI in production environments.
- Familiarity with TypeScript or a willingness to learn quickly.
- Comfort taking ownership from idea to shipped product in an early-stage setting.
- A mix of technical competence, strong work ethic, curiosity, and kindness.
Nice to Have
- Experience with data pipelines and LLM technologies.
- Previous startup experience.
- Knowledge of data validation techniques.
What We Offer
- Build the foundational clean data layer for AI-native applications.
- Work directly with the founder at a YC-backed company from day one.
- Own meaningful systems with real customer impact at an early stage.
- Opportunity to grow into senior technical leadership over time.
- Visa sponsorship available.
This Founding Engineer role offers a unique opportunity to shape the future of AI systems at a YC-backed startup, with competitive compensation and equity.
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Who Will Succeed Here
Proficient in Python and TypeScript, with experience building scalable data pipelines and backend systems for AI applications, ensuring data integrity and performance.
Self-motivated and adaptable to an office work environment, thriving in a startup culture that demands flexibility and innovative problem-solving skills while collaborating closely with cross-functional teams.
At least 3-5 years of practical experience in AI and data engineering, possessing a mindset focused on continuous learning and improvement, especially in the context of building and maintaining clean data layers for machine learning.
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