Senior Data Engineer

Data Engineer | AI & Cybersecurity | Up to £100,000 Benefits | London / Hybrid Are you a Data Engineer ready to take full ownership of building a modern data platform from the ground up? This is a rare opportunity to join an early-stage, deep-tech company at the intersection of artificial intelligence and cybersecurity , working on technology that’s pushing the limits of how machines understand and analyse complex software systems. You’ll be joining as the first Data Engineering hire , partnering closely with the ML and Product teams to design, build, and scale the data infrastructure that powers advanced AI models. Your work will directly enable large-scale model training, data-driven product development, and cutting-edge security research. What You’ll Be Doing Architecting and building a robust data platform from scratch Managing large, complex, and often messy datasets Collaborating with ML and product teams to align data requirements Owning data quality, governance, and modelling standards Enabling scalable ML pipelines and data-driven decision-making What We’re Looking For Strong experience with Python and SQL Hands-on expertise with AWS or GCP (and their data services) Solid understanding of data modelling , data quality , and governance principles Experience working with large-scale data systems A self-starter mindset with the ability to work independently and solve complex problems Experience working within a start-up environment Nice to have: Experience with modern data warehouses (e.g. Snowflake, BigQuery) Exposure to vector databases (e.g. Qdrant) Understanding of data needs for ML training Background or interest in cybersecurity , compiled languages (C/C++/Rust), or binary analysis Why You’ll Love It Here Build something from the ground up - huge ownership and technical freedom Join a smart, curious team tackling truly unique technical challenges Competitive salary (£100,000) Equity options, pension scheme, and private health insurance Hybrid working – 3 days per week - central London 25 days holiday bank holidays If you’re excited by the idea of shaping a data function in a cutting-edge AI startup and working on problems that most companies haven’t even begun to tackle , we’d love to hear from you.

Location: London,, GB

Posted Date: 11/13/2025