london (city of london), south east england, united kingdom
Gen Re Corporation
Data Factory, and RDBMSs. Experience with metadata management, lineage tracking, and automation tools for governance workflows. • Experience in designing and maintaining end-to-end data architectures, including OLTP and OLAP models, ETL pipelines, data lakes, orchestration frameworks, and reporting platforms. Exposure to CI/CD pipelines and monitoring practices in data engineering. • Ability to apply best practices in data lifecycle More ❯
Senior Data Engineer (OLAP/Semantic Modelling) | 6 Month Contract | £550-600 p/day | Outside IR35 We're seeking a highly specialised Data Engineer with deep expertise in OLAP, Tabular, and Multidimensional modelling to join a technology-driven organisation on a long-term contract. If you have strong SSAS, semantic modelling, and Excel cube integration experience - this role is … you'll architect and optimise analytical models, build high-performance data pipelines, and design robust semantic layers that directly power business-critical reporting and Excel-based analysis. Required Skills: OLAP, Tabular, Semantoc Layer Expertise: Advanced SSAS Tabular & Multidimensional modelling (MUST have) Proven experience designing semantic layers , calculated measures, perspectives, hierarchies, partitions, aggregation strategies Strong Power BI semantic model understanding (datasets … relationships, optimisation) Ability to dynamically load data into Excel using OLAP cubes - essential Expert in DAX/MDX , cube optimisation, processing strategies Data Engineering & SQL: Strong expertise with MSSQL Server (schema design, tuning, indexing, profiling) Advanced SQL and dimensional data modelling (SCDs, fact/dim, conformed dimensions) Experience with PostgreSQL optimisation. Advanced Python skills ETL/ELT Pipelines: Hands-on More ❯
a self-starter with a proactive, research-oriented mindset. Key Requirements - Mandatory Skills This role demands proven, hands-on experience in the following areas: Foundational Modeling: Absolute mastery of OLAP/OLTP Modeling and extensive experience in Dimensional Data Modeling (Star/Snowflake schemas). Architecture Design: Expert in Data Architecture and designing modern Data Lakehouse Architecture . Cloud Platform More ❯
