Senior Data Engineer at VC-backed adtech AI startup

Senior Data Engineer (Agentic AI) Company Description

VC-backed adtech AI startup

You will build and operate high-throughput data foundations for agentic AI products, focusing on real-time decisioning and scalable event-driven systems. This role involves designing robust batch and streaming pipelines while collaborating with product and ML teams to shape technical strategy and evolve the infrastructure behind revenue-critical advertising decision engines.

Remote UK

• Opportunity to shape the data foundations of agentic AI systems that drive real-time, revenue-critical advertising decisions.
• Join a well-funded, distributed team where you have significant autonomy to influence technical decisions and scale production infrastructure.
• Potential to transition into a Tech Lead role while working with a modern stack including Spark, Kafka, and agentic coding tools.

• Design and maintain high-volume batch and streaming pipelines using Kafka, SQS, and Spark for real-time AI workflows.
• Develop scalable data models and transformation layers using dbt and lakehouse patterns to support ML and analytics.
• Deploy and manage AWS data infrastructure using Terraform/CDK, ensuring high reliability, observability, and cost‑effective performance.

• Proven experience building production‑grade streaming systems and handling complex event‑driven data edge cases like backfills and idempotency.
• Strong proficiency in Python, SQL, and modern data stack tools such as Airflow, dbt, and AWS data services.
• Pragmatic mindset with the ability to bridge data engineering with AI/ML requirements, including feature generation and RAG‑ready datasets.