8 of 8 Performance Optimisation Jobs in the City of London

services to clients across various industries, with a focus on cutting-edge technology and data-driven decision-making. Job Description Design and implement high-performance ClickHouse environments Drive the migration of analytical databases to ClickHouse with minimal disruption Manage database query optimisation for scalability and performance Operate … and fault tolerance Develop and maintain backup, disaster recovery, and data security strategies Collaborate with teams to align database solutions with business goals Monitor performance with Prometheus and Grafana , addressing issues proactively Implement best practices for data modelling and processing Guide and mentor junior developers in ClickHouse best practices … troubleshooting The Successful Applicant The successful candidate will have: Extensive experience with ClickHouse in a production environment Proficiency in Linux/Unix and database performance optimisation Strong knowledge of query optimisation , data modelling , and ETL Experience with DevOps tools (Jenkins, Ansible) and CI/CD pipelines Solid More ❯

Step Functions, S3, SNS/SQS, Cognito, etc.). Actively contribute to back-end development using Python, ensuring best practices in clean code and performance optimization. Support front-end architecture and implementation using Angular, ensuring a seamless and scalable user experience. Ensure robust CI/CD pipelines, infrastructure as More ❯

effectiveness and efficiency. Your day-to-day responsibilities include: Developing front-end applications using React Utilise React libraries and frameworks, including Next JS, for performance optimisation and efficient state management Integrate React applications with.Net Core, to create seamless end-to-end solutions. Leverage .Net Core capabilities to build … high-performance and scalable back-end services, that support the functionality of front-end applications. Collaborate with team members to translate wireframes and prototypes into fully functional front-end applications. Core skills include: Strong front-end development experience with React Proficient in .Net Core and a background is developing … skills Proven ability to collaborate with senior stakeholders (both business and IT) Are you a creative problem-solver who loves to build sleek, high-performance applications? Do you want your code to support one of the worlds most innovative law firms and help drive real change? If so, apply More ❯

BI teams on reporting layers Supporting data discovery, KPI definition, and data quality initiatives Documenting architecture, metadata, and data lineage for project transparency Driving performance optimization and issue resolution across the data stack ✅ What We’re Looking For: 5+ years of experience in data engineering, integration, and ETL/ More ❯

BI teams on reporting layers Supporting data discovery, KPI definition, and data quality initiatives Documenting architecture, metadata, and data lineage for project transparency Driving performance optimization and issue resolution across the data stack ✅ What We’re Looking For: 5+ years of experience in data engineering, integration, and ETL/ More ❯

MongoDB, SQL databases, Excel, and cloud services. Design and implement efficient data models and ETL processes using Power Query and DAX. Optimize Power BI performance by fine-tuning data models. Collaborate with data analysts and business stakeholders to gather and understand reporting requirements. Ensure data accuracy and consistency across … complex business requirements into effective dashboards. Strong analytical and problem-solving skills. Excellent communication and stakeholder management abilities. Experience working with large datasets and performance optimization. Knowledge of data governance, security, and compliance best practices. Qualifications A Bachelor's degree in a relevant field (e.g., Statistics, Mathematics, Computer Science More ❯

Databricks Developer with expertise in data engineering best practices. The ideal candidate will have strong experience in Git/DevOps integration, Unity Catalog, and performance optimization for Databricks data transformation workloads. Key Responsibilities: Develop and optimize Databricks data pipelines for efficient data transformation. Implement code version management using Git … and DevOps integration. Configure and manage Unity Catalog for secure and scalable data governance. Enhance performance optimization in Databricks workloads, ensuring efficient resource utilization. Collaborate with data engineers and architects to design scalable solutions. Ensure adherence to best practices in Databricks data engineering. Required Skills & Experience: Hands-on experience More ❯

leadership across RIBA Stages 0-4 and Stage 7 to ensure integrated engineering and commercial outcomes. Oversee building and system-level energy modelling for performance optimisation. Develop bespoke modelling tools for energy forecasting, demand-side management, and system analysis. Create robust business cases and financial models to support funding … bids and project viability. Present complex technical and financial insights to internal and external stakeholders. Support the optimisation of building energy systems via digital twin models, analytics, and BEMS improvements. Collaborate across engineering, commercial, business development, and delivery teams to ensure successful project execution. Professional qualifications We are looking More ❯