Job

About REO Digital 

REO Digital is a group of agencies providing a range of digital services, including Analytics, Conversion Rate Optimisation (CRO), Accessibility, User Experience (UX) & Design, and Performance Marketing. Our mission is to empower businesses to maximise their digital potential through data-driven insights and user-focused strategies. 

We are looking for a proven Backend Developer for Agent-Led AI Platform. This is a rare opportunity to join from the ground up, own key parts of the backend architecture, and help shape the foundation of a technically ambitious product.

We will consider UK based and offshore applicants with the right experience.

Key Responsibilities:

• Architect and build backend systems for data ingestion, enrichment, and intelligent storage and support for agentic AI workflows including data-driven reasoning and autonomous task execution
• Design APIs to serve structured and unstructured data to downstream services and AI agents
• Build scalable data pipelines to unify third-party inputs and support reasoning layers
• Work with vector stores and structured databases to power semantic querying and analysis
• Collaborate cross-functionally with engineering, product, and AI leads to ship end-to-end functionality
• Optimise for performance, modularity, observability, and scale from day one

Required Experience:

• 5+ years in backend development with production systems (Node.js, Python, Go preferred)
• Fluency with flexible databases like MongoDB and solid understanding of API architecture
• Experience ingesting data from external APIs and normalising across varied formats
• Familiarity with vector search, semantic data modelling, or distributed systems
• Clean code habits, strong testing discipline, and eagerness to design from first principles
• Bonus: Agentic experience, background in analytics platforms or data-heavy products

Why REO Digital?

• Join a fast-growing consultancy with a strong commitment to digital innovation and quality service.
• Work with a talented team that values learning, collaboration, and career growth.
• Opportunity to shape your marketing career and take on additional responsibilities as you grow within the company.
• Attractive base salary and benefits package

Benefits

• 30 days holiday + bank holidays
• 4.5 day working week
• Flexible hours
• Private healthcare
• Personal development budget
• Enhanced Pension
• Birthday gift
• Regular team socials and events
• Mobile phone contribution