Founding AI & Data Engineer (Equity Included)

Startup Atlas; Rotterdam; Hybrid; EUR 120,000 - 180,000; Full time

Benefits offered by this job

Equity

Job summary

Avery, a Hiring Intelligence Engine backed by Builders Studio, is seeking a founding engineer to build data pipelines and AI-powered features across Europe. You’ll design scalable ETL, experiments, and predictive models using millions of candidate profiles and market data.

Join a fast-growing startup with equity, shaping data strategy and product decisions alongside the interim CTO/CPO as the team expands from Rotterdam to Amsterdam.

Qualifications

• Strong data engineering background with ETL pipelines and data infrastructure at scale.
• Full-stack ability across React, TypeScript, Next.js and Node.js.
• Hands-on AI/ML experience: embeddings, RAG, fine-tuning, prompt engineering.
• Data science fluency: modeling and labeled datasets, knowing data limits.
• Familiarity with OpenSearch, Apache Spark, AWS and related tools.

Responsibilities

• Build and own ETL pipelines that make candidate, hiring and market data reliable and production-ready.
• Develop full-stack AI-powered platform features from backend to UI.
• Define and iterate on predictive hiring models end-to-end using large-scale data.
• Collaborate with leadership to shape data strategy and roadmap for Avery.

Skills

Data engineering

ETL pipelines

React

TypeScript

Next.js

Node.js

AI/ML

Data modeling

SQL/Data warehousing

Cloud/AWS

Tools

OpenSearch

Apache Spark

AWS

Inngest

Railway

Mastra

Claude Code / Codex

Job description

Avery, a Hiring Intelligence Engine backed by Builders Studio, is seeking a founding engineer to build data pipelines and AI-powered features across Europe. You’ll design scalable ETL, experiments, and predictive models using millions of candidate profiles and market data.

Join a fast-growing startup with equity, shaping data strategy and product decisions alongside the interim CTO/CPO as the team expands from Rotterdam to Amsterdam.