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.