1 to 25 of 36 Contract Performance Tuning Jobs in London

through Azure SQL, OLAP technologies, and DAX-powered semantic models. You will collaborate with data engineers, analysts, and business stakeholders to ensure reliable, high-performance data pipelines and analytics platforms. Key Responsibilities Data Warehouse Development Design and develop enterprise data warehouse solutions using Azure SQL Database/Azure … snowflake schemas for analytical workloads. Develop ETL/ELT pipelines for ingesting and transforming data from multiple source systems. Implement data partitioning, indexing, and performance optimization strategies. Data Modeling & Analytics Develop OLAP data models for business intelligence and reporting. Create and optimize DAX measures, calculated columns, and KPIs. Design ...

Lead to manage and improve SAP IQ environments for large-scale analytics and date warehousing. Responsibilities: Lead SAP IQ database administration, including monitoring, performance tuning, and optimisation. Oversee near-line storage (NLS) solutions and integration with SAP HANA. Plan and run database upgrades, patching, migrations, and disaster recovery … reliability. Requirements: Extensive SAP IQ (Sybase IQ) DBA experience. Strong experience with analytics-focused databases optimized for large-scale data warehousing. Hands-on with performance tuning, monitoring, and troubleshooting for Sybase IQ NLS and SAP HANA integration experience is a plus. ECS Recruitment Group Ltd is acting ...

Hybrid) Contract Duration: 6 Months IR35 Status: Inside IR35 Role Overview We are seeking an experienced GCP FinOps Engineer to optimise cloud spend, performance, and operational efficiency across large-scale data analytics and containerised workloads. You will work closely with engineering, data, and product teams to embed cost-efficient … retention optimisation. Implement storage-tiering strategies based on access patterns and enforce lifecycle rules to minimise cold data retention costs. Improve relational database performance through index tuning, connection optimisation, and instance right-sizing. Enhance horizontally scalable database performance via autoscaling policies, index improvements, and mitigation of read ...

Cloud & Data Engineering (AWS-Focused) Build and deploy data pipelines using AWS services such as EMR, Glue, S3, Athena . Optimise Spark workloads for performance, partitioning, cost efficiency, and scalability. Use CI/CD pipelines and Git-based version control for deployment and automation. Collaborate with engineers, architects … write production-grade data engineering code. Strong understanding of: ETL/ELT Data modelling Facts & dimensions Data marts Slowly Changing Dimensions (SCDs) Spark Performance & Optimisation Expertise in Spark execution, partitioning, performance tuning, and optimisation. Troubleshooting distributed data pipelines at scale. Python & Engineering Quality Strong Python coding capability ...

modelling standards including dimensional modelling, star schema, and enterprise data models. Lead architecture reviews and solution design discussions for new data initiatives. Optimize Snowflake performance, workload management, and cost governance. Establish data governance frameworks including access control, data security, and compliance standards. Design and support AI/ML-ready … guest behaviour analysis, booking trends, revenue analytics, and operational reporting. Required Technical Skills Data Platform Strong expertise in Snowflake Deep knowledge of Snowflake architecture, performance tuning, data sharing, security, and workload optimization. Cloud Platform Strong experience with Amazon Web Services, including: S3 IAM AWS Glue Lambda CloudWatch Data ...

designing, developing and optimising resilient data pipelines that support operational and analytical use cases across complex programmes. The focus is on clean engineering, performance, security and long-term maintainability. Key experience required: • Active SC Clearance • Deep expertise across AWS data services such as Glue, Lambda, S3, Redshift, EMR, Athena … pipelines in cloud environments • Experience working with large, complex datasets, both structured and unstructured • Strong understanding of data modelling, optimisation and performance tuning • Experience with Infrastructure as Code, ideally Terraform or CloudFormation • Familiarity with CI/CD pipelines and secure DevOps practices within AWS You will work across ...

PySpark, EMR, and Glue. Legacy Modernisation: Architect the conversion of SAS Base/Macros into modular, testable Python code using SAS2PY and manual refactoring. Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance: Implement rigorous CI/ ...

PySpark, EMR, and Glue. Legacy Modernisation: Architect the conversion of SAS Base/Macros into modular, testable Python code using SAS2PY and manual refactoring. Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance: Implement rigorous CI/ ...

Role Overview We are seeking a Lead PySpark Engineer to drive a large-scale data modernisation project, transitioning legacy data workflows into a high-performance AWS cloud environment. This is a hands-on technical role focused on converting legacy SAS code into production-ready PySpark pipelines within a complex … PySpark using automated tools (SAS2PY) and manual refactoring. Pipeline Engineering: Design, build, and troubleshoot complex ETL/ELT workflows and data marts on AWS. Performance Tuning: Optimise Spark workloads for execution efficiency, partitioning, and cost-effectiveness. Quality Assurance: Implement clean coding principles, modular design, and robust unit/ ...

data flows.You will play a key role in maturing the organisation's FDI capability - driving high-quality data modelling, optimising performance, strengthening governance, and enabling robust, scalable reporting solutions. Key Responsibilities Leverage FDI subject areas and enhance existing models to meet evolving business needs. Optimise data performance … governance compliance. Troubleshoot and resolve issues related to data modelling and reporting within FDI. Lead best-practice approaches for FDI deployment, security, optimisation, and performance tuning. Collaborate with Technology teams and third-party partners to plan, coordinate, and deliver aligned work packages. Champion continuous delivery and DevOps practices, driving ...

part of the role involves working with large SQL Server environments, so strong SQL skills are essential. You'll help modernise core systems, improve performance and reliability, and build scalable backend and data services.This role suits engineers who are comfortable working across legacy and modern architectures and who have … succeed Great professional experience as a Senior Software/Data Platform Engineer in financial services. Strong SQL Server expertise (queries, stored procedures, indexing, performance tuning) Experience with large relational datasets Backend development experience in Python or C# Some experience with designing API's Experience working in AWS environments ...

chance to work with a leading global IT and Digital transformation business specialising in Government projects: Experienced SQL Server DBA or similar role, Performance Tuning and Optimization (PTO) Must have in-depth experienced, Manage SQL Server databases, Configure and maintain database servers and processes, Backups, restores and recovery … High Availability (HA) and Disaster Recovery (DR) options for SQL Server and experience with Windows server, including Active Directory Monitor system’s health and performance, including ensure high levels of performance, availability, sustainability and security Analyze, solve, and correct issues in real time and Refine and automate regular ...

newer versions (2016/2019). Take ownership of code reviews and actively participate in peer reviews. Configure and maintain SQL Server Databases Performance tuning and optimization Experience with High Availability and Disaster Recovery processes Support the full data lifecycle, contributing to an agile working environment Provide coaching ...

Quantitative Developer or Senior Software Engineer within financial services. Role Overview We are seeking an experienced Quantitative Developer to build and enhance high-performance trading and analytics platforms. The role involves close collaboration with quantitative researchers and trading teams to deliver robust, scalable, and production-ready systems … fast-paced environment. Key Responsibilities Design, develop, and maintain high-performance trading, pricing, and analytics systems Implement quantitative models and strategies using C/C++ and Python Optimise applications for low latency, high throughput, and stability Work extensively in Linux environments , including automation via shell scripting Collaborate with quants ...

Manager, automation (CloudFormation/Terraform/PowerShell). Validate SharePoint DB compatibility (content/search/service). Produce resilience pattern catalogue incl. TCO, performance, complexity: Always On AG; FCI; SIOS DataKeeper; AWS Elastic DR; AWS DMS Deliverables PoV plan & metrics HA/DR pattern catalogue (pros/cons … prerequisites) DR testing with SharePoint team Performance findings (latency, throughput, failover) Final recommendation & next-step design Core Responsibilities Architect SQL Server HA/DR in AWS. Design Always On patterns (listener, quorum, witness). Evaluate AWS services: EC2, EBS, FSx, Route 53, CloudWatch, Backup, SSM, CloudFormation. Ensure network/ ...

Implement data models (star schema, snowflake schema) optimized for analytics and reporting. Ensure data quality, consistency, and governance across the data warehouse. Optimize query performance and data refresh processes . Work closely with business stakeholders, analysts, and data teams to gather reporting requirements. Implement data security and access controls … within the BI environment. Monitor and troubleshoot data pipelines, warehouse performance, and reporting issues. Document data architecture, data flows, and BI solutions. Required Skills & Qualifications Bachelor's degree in Computer Science, Information Systems, Data Engineering, or related field . 3+ years of experience in Data Warehousing or Data Engineering ...

Role PEGA Developer Your Responsibilities Design, develop, and maintain PEGA-based applications and workflows to support data-driven banking use cases, ensuring scalability, performance, and reliability. Collaborate with business stakeholders, data analysts, and product owners to translate functional and analytical requirements into effective Pega solutions. Build and configure case … decision-making. Design and develop user interfaces using Pega UI frameworks, ensuring usability, consistency, and alignment with enterprise standards. Perform unit testing, debugging, and performance tuning, proactively identifying and resolving defects and bottlenecks. Support application releases and deployments, working closely with DevOps, QA, and support teams across environments. ...

support analytics and reporting Provide production support for OAS, ODI and data warehouse components Investigate and resolve data, ETL and reporting issues Conduct performance tuning across RPD, ODI mappings, queries and reports Maintain technical documentation and processes Requirements Strong experience with Oracle Analytics Server (OAS) Experience with Oracle ...

OpenShift environments. This is a high-impact role where you'll shape observability strategy, enhance service intelligence, and ensure platform reliability at scale - balancing performance, cost efficiency, and security governance. You'll work at the intersection of platform engineering, observability, and service intelligence, helping to transform raw telemetry into … resource pressure Pod restart trends and noisy-neighbour detection Network and storage error visibility Capacity, quota, and burst analysis Optimise search and platform performance (workload rules, DMA, summary indexing, scheduling hygiene, concurrency tuning) Implement intelligent alerting and automated routing into ITSM and ChatOps platforms, including enrichment, suppression windows ...

metrics. Collaborating with business teams to understand reporting needs and deliver intuitive analytics experiences. Creating clear documentation for dashboards, metrics, and models. Ensuring optimal performance and cost efficiency across Looker and BigQuery. Supporting a stakeholder-first approach to data usability and access. KEY SKILLS AND REQUIREMENTS Advanced experience with … clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with BigQuery performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please register your interest by sending your ...

metrics. Collaborating with business teams to understand reporting needs and deliver intuitive analytics experiences. Creating clear documentation for dashboards, metrics, and models. Ensuring optimal performance and cost efficiency across Looker and Snowflake Supporting a stakeholder-first approach to data usability and access. KEY SKILLS AND REQUIREMENTS Extensive experience operating … clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with Snowflake performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please register your interest by sending your ...

ESXi/vCenter or Hyper-V). Background in infrastructure engineering or platform operations in enterprise environments. Expertise in platform upgrades, patching, troubleshooting, and performance tuning . Solid understanding of server hardware, storage integration, and enterprise networking . Knowledge of ITIL processes (incident, problem, change). Desirable Skills ...

major system programmes: Power Apps and .NET. What You'll Need to Succeed Advanced expertise in Azure and Azure SQL, including solution design, performance tuning, and security. Strong experience with Azure Blob Storage and associated configuration and security best practices. Proven experience implementing data models ...

Extensive C# .Net Development experience ideally within financial services, on data-heavy projects. Extensive SQL server experience - Must Have. Solid experience in database modelling, performance tuning, and optimisation. Thorough knowledge of application programming for data intensive applications on SQL Server using Stored Procedures/tSQL. Good knowledge ...

Storage Virtual Machines (SVMs) Management of Snapshots and SnapMirror replication Storage Architecture & Operations Design and support of enterprise storage solutions Capacity planning and performance tuning High availability configurations (HA pairs, clustering) Firmware and ONTAP upgrades Storage migrations and data lifecycle management Backup & Disaster Recovery Strong understanding of backup ...