Data engineer in accounts payable automation

At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. We’re hiring a Data Engineer to join our growing Platform Team and help shape the data foundations behind our products. As our customer base and data volumes grow, you’ll make sure our production data architecture, pipelines and storage remain reliable, scalable and cost-effective.

• Improve our production data architecture.
• Build reliable pipelines with tools such as Prefect.
• Optimise PostgreSQL performance and data models.
• Choose the right storage, search and processing tools.
• Improve data quality and retention practices.
• Deliver changes alongside product, AI and DevOps teams.
• Strengthen data access, retention and auditability in partnership with security, compliance and engineering teams.

• Professional experience owning the architecture of production data systems in AWS and their improvements.
• Experience with data access controls, retention and auditability requirements in regulated environments (SOC 1, SOC 2, HIPAA, ISO 27001 or similar).
• Good judgement on storage and processing trade-offs.
• Clear communication and a hands-on, collaborative approach. A focus on reliability, data quality and security.
• Strong SQL, PostgreSQL and data modelling skills.
• Experience with NoSQL databases (like MongoDB, DocumentDB or DynamoDB) and warehousing solutions (like DuckDB, ClickHouse, Redshift)
• Solid Python and data pipeline engineering skills.
• Confidence using AI tools for development, investigation and documentation, with sound judgement about their value and limitations.

• Competitive salary of £50,000-£70,000 depending on experience
• 27 days of annual leave (including 3 days Christmas closing), with the option to roll over 3 days
• Hybrid working with one day a week from our dog-friendly Hoxton office and on-site gym
• Comprehensive private medical & dental cover with Vitality
• Enhanced parental leave pay
• Learning & development culture – £1,000 personal annual budget
• We’re carbon-neutral and are working towards ambitious carbon reduction goals
• Lots of team socials & activities
• Annual team retreat
• This is a full-time position, with standard working hours from 9:00 AM to 6:00 PM, Monday through Friday.