IT Data Architect in London

About usAppnovation is a global, full-service digital partner that combines Strategy, Experience & Design, Engineering and Managed Services. We build digital solutions that deliver real impact today and serve as foundations for future growth. Technology is foundational to all of Appnovation's offerings, from consulting to digital innovation, to digital product and service creation. The technology department is focused on delivering software solutions that enable rich consumer experiences, from mobile and web applications to advanced analytics and machine learning, to content and engagement management service enablement platforms. Inherent throughout our tech capabilities is deep expertise in the Software Development Life Cycle, a drive for creativity, a passion for the craft, and collaboration with other disciplines - all foundational ingredients in successful digital experiences and client partnerships. As a Data Architect / Engineer, you will join a highly motivated and experienced team and own both the data structures behind our graph-RAG platform and the pipelines that get content into it — modeling the knowledge and pumping it in at scale. You will define the schema, taxonomy and graph model for our knowledge domains, build resilient ingestion pipelines from enterprise content sources such as SharePoint and the wider Microsoft stack, and keep the knowledge graph accurate as source documents evolve. Design how documents, versions, and their machine-readable representations are structured, and how facts evolve over time (including temporal replay).Build ingestion/ETL pipelines from enterprise content sources (e.g., SharePoint and the wider Microsoft stack), handling multimodal content (presentations, documents, transcripts).Advise on whether the current backend approach (Supabase/Postgres) is the right long-term architecture, and validate ingested content quality with QA.Establish data quality, lineage, and governance standards across pipelines. Build monitoring, alerting, and error-handling for ingestion jobs. Document data models, schemas, and pipeline architecture. QUALIFICATIONSBachelor's Degree in Computer Science or a related field.5+ years of experience in data engineering / architecture roles. Deep data modeling across relational and graph paradigms; graph databases (Neo4j) and Postgres/Supabase at scale. Strong ETL / data pipeline engineering in Python, including large-scale, incremental, and change-data ingestion. Experience with enterprise content ecosystems: SharePoint, ideally Power Platform / Power Automate. Knowledge representation, taxonomies/ontologies, and versioned/temporal data. Understanding of how data structures feed RAG and LLM retrieval quality. SQL proficiency; Airflow) and cloud data services. Familiarity with data governance, security, and privacy practices. WHO YOU AREYou think about how to scale, automate and operate, not just how to build a solution to an immediate problemYou understand lean thinkingYou set high standards for code quality, performance/scalability and security and seek continuous improvementYou have solid analytical, problem solving and decision-making skillsYou have customer first mindset and a devotion to customer serviceYou engage and build positive internal and external client relationships, while managing multiple initiatives, often with competing prioritiesYou have strong self-initiative, passion, interpersonal, oral and written communication and collaboration skills with the ability to work, influence and make an impact in a cross-functional environment with all levels of the organizationYou are responsive and thrive in a fast-paced diverse high-performance environment with rapidly changing business needsYou actively seek out things outside your comfort zone with the ability to rapidly learn and take advantage of new concepts, business models, and technologiesYou have prior experience in consultingPrior experience and connections in the Life Sciences industry is preferredThank you for your interest in a career with Appnovation Technologies! Diversity, Equity & Inclusion is not only something that we embrace - we celebrate it! Come join us at Appnovation, and learn more about how we stay true to our company values as we build better lives through better digital. Accommodations are available upon request throughout the recruitment process.