51 to 73 of 73 Performance Optimisation Jobs in London

Data Engineer

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
that data models support business reporting and analytics needs while optimizing query performance. Maintain data dictionaries and metadata to document data structures and relationships. Performance Optimization Optimize data storage, retrieval, and query performance by implementing indexing, partitioning, and caching strategies. Monitor data processing performance and address bottlenecks … they arise. Stay updated with best practices in data processing performance tuning. Documentation and Knowledge Sharing Create and maintain documentation for data pipelines, data transformation processes, and data integration procedures. Foster a culture of knowledge sharing within the data engineering team and across the organization. Collaboration and Stakeholder Engagement ...

Data Engineer

Hiring Organisation
City + Capital
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum, Negotiable
time across the coming period. Due to these increasing levels of high activity, they are generating more and more customer and performance data than ever before and are embarking on a key project to best manage & utilise this. An agile and robust data management and utilisation plan will … Analysts you will enable scalable reporting, clean data flows, and analytics-ready datasets that underpin everything from product development and underwriting to compliance and performance tracking. You’ll take ownership of automated data pipelines, cloud infrastructure within Microsoft Fabric, and integrations with platforms like Salesforce and core lending systems. ...

Databricks Data Engineer Azure Cloud & Performance Optimization

Hiring Organisation
Brightbox GRP Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £458 per day, Benefits remote
Databricks Data Engineer Azure Cloud & Performance Optimization £400-£458pd (Inside IR35) SC Clearance is Essential Remote Overview We are seeking a Databricks Data Engineer experienced in building high-quality data pipelines and optimizing large-scale workloads on the Databricks Data Intelligence Platform. The ideal candidate is strong in PySpark … Delta Lake, Azure services, workflow automation, and performance tuning. Key Responsibilities Build and maintain scalable batch and streaming pipelines using Databricks notebooks, Jobs, and Workflows. Optimize Spark and Delta Lake performance through cluster tuning, efficient configurations, AQE, and caching. Run performance tests and ensure workloads are cost ...

Senior Data Engineer OLAP

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
experience - this role is for you . This is a hands-on, onsite position where 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 … 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 ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

C++ Software Developer

Hiring Organisation
Ncounter LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
C++ Software Developer, Risk Technology £160,000 to £170,000 Join a high-performance engineering group responsible for the systems that sit at the heart of a global trading operation. This team owns the core risk platform, handling everything from trade intake and real time position tracking … speed. You will work in an engineering culture that values clarity, simplicity and strong design. Expect to collaborate with colleagues across regions, refine performance at a system level and contribute to a platform that is constantly evolving as trading strategies and data volumes grow. What you bring Strong C++ ...

C++ Software Developer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £170,000 per annum
C++ Software Developer, Risk Technology £160,000 to £170,000 Join a high-performance engineering group responsible for the systems that sit at the heart of a global trading operation. This team owns the core risk platform, handling everything from trade intake and real time position tracking … speed. You will work in an engineering culture that values clarity, simplicity and strong design. Expect to collaborate with colleagues across regions, refine performance at a system level and contribute to a platform that is constantly evolving as trading strategies and data volumes grow. What you bring Strong C++ ...

C++ Software Developer

Hiring Organisation
Ncounter Limited
Location
EC2N, Broad Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£160000 - £170000/annum plus Bonus & Package
C++ Software Developer, Risk Technology £160,000 to £170,000 Join a high-performance engineering group responsible for the systems that sit at the heart of a global trading operation. This team owns the core risk platform, handling everything from trade intake and real time position tracking … speed. You will work in an engineering culture that values clarity, simplicity and strong design. Expect to collaborate with colleagues across regions, refine performance at a system level and contribute to a platform that is constantly evolving as trading strategies and data volumes grow. What you bring Strong C++ ...

Sharepoint Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Sharepoint Engineer Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve complex SharePoint … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint Engineer with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Sharepoint Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Sharepoint Engineer Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve complex SharePoint … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint Engineer with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Sharepoint SME

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
business teams. Key Responsibilities Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint SME with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Sharepoint Engineer

Hiring Organisation
VIQU IT
Location
Greater London, Farringdon Without, United Kingdom
Employment Type
Permanent
Sharepoint Engineer Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve complex SharePoint … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint Engineer with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Delivery Lead - Design and Digital Products

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
help our clients imagine and deliver the next generation of web and mobile platforms, services, and ecosystems, then continuously improve and scale them through optimisation, experimentation, and innovation. You’ll work alongside strategists, designers, engineers, and analysts to bring bold ideas to life, improve customer journeys, and create measurable … within budget. · Collaborate closely with clients to define product vision, prioritise backlogs and establish delivery roadmaps grounded in measurable impact. · Partner with Experience Design, Performance, Analytics and Engineering teams to run continuous CRO and experimentation programmes that optimise performance and engagement. · Support sales and pre-sales activities, shaping ...

Guidewire PolicyCenter Senior Developer

Hiring Organisation
Initialize IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Guidewire Data Model and database schema. Support the creation a data feed from Guidewire PolicyCenter V10/V9 and Cloud (nice to have) 4. Performance Optimization & Troubleshooting Ability to profile and debug PolicyCenter performance issues. Understanding of caching strategies, efficient querying, and memory management. 5. Guidewire Best Practices ...

L3 Data Engineer - Support

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £250 to £270 per day
structured telecom datasets (CDRs, network logs, subscriber data) Data Lake Technologies: Expertise in Apache Iceberg table format Schema evolution, partitioning, compaction & metadata management Query performance tuning with Athena & Redshift Spectrum Redshift Expertise: Data modeling, distribution styles, sort keys Workload management (WLM) Performance optimization & troubleshooting Python: Automation scripts Data … processing workflows Monitoring, debugging, validation scripts AWS Support/Operations: Troubleshooting ETL failures, performance bottlenecks, pipeline issues Monitoring cloud workloads (CloudWatch, CloudTrail) Handling incidents, root-cause analysis (RCA), patching & releases Cost optimization and resource usage tracking Data quality checks for telecom data pipelines Roles & Responsibilities Provide L2/ ...

Senior Backend Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
there team intentionally small, bringing together only the most exceptional talent in crypto. They are looking for a backend engineer experienced in building high-performance, low-latency microservices in TypeScript. Responsibilities Backend Development: Build and maintain scalable TypeScript services for trading, analytics, and integrations. Cross-Team Collaboration: Work with … designers, product, and users to align backend solutions with platform needs. Performance Optimization: Deliver fast, reliable systems and efficient queries for high user loads. Code Quality: Write clean, well-structured, well-documented code. Problem Solving: Debug and resolve complex issues to keep the platform running smoothly. Requirements 5+ years ...

Databricks Data Engineer Azure Cloud & Performance Optimization

Hiring Organisation
Brightbox GRP Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 458 Daily
Databricks Data Engineer Azure Cloud & Performance Optimization £400-£458pd (Inside IR35) SC Clearance is Essential Remote Overview We are seeking a Databricks Data Engineer experienced in building high-quality data pipelines and optimizing large-scale workloads on the Databricks Data Intelligence Platform click apply for full job details ...

Guidewire PolicyCenter Senior Developer

Hiring Organisation
Intuition IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Guidewire Data Model and database schema. Support the creation a data feed from Guidewire PolicyCenter V10/V9 and Cloud (nice to have) 4. Performance Optimization & Troubleshooting Ability to profile and debug PolicyCenter performance issues. Understanding of caching strategies, efficient querying, and memory management. 5. Guidewire Best Practices ...

Data Engineer (SC Cleared)

Hiring Organisation
Syntax Consultancy Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
500/day (Inside IR35)
Warehouse patterns, Gold Layer modelling, defining/implementing ingestion + transformation pipelines (Dataflows Gen2, Notebooks), establishing modelling standards for Gold Layer + semantic models, performance optimization, lineage/observability, governance, RBAC, security, data retention. Team Leading/Delivery: setting standards, directing/mentoring the team, reviewing designs, unblocking delivery. … orchestration, testing, test data preparation, reporting validation, release practices. Operational Readiness: ensuring documentation/run books + non-functional requirements are met (security, resilience, performance). Short-Term Objective: baseline Gold Layer model components to enable consistent semantic models and reporting. ...

Data Engineer (SC Cleared)

Hiring Organisation
Syntax Consultancy Ltd
Location
SW1H 0BB, City of Westminster, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day 500/day (Inside IR35)
Warehouse patterns, Gold Layer modelling, defining/implementing ingestion + transformation pipelines (Dataflows Gen2, Notebooks), establishing modelling standards for Gold Layer + semantic models, performance optimization, lineage/observability, governance, RBAC, security, data retention. Team Leading/Delivery: setting standards, directing/mentoring the team, reviewing designs, unblocking delivery. … orchestration, testing, test data preparation, reporting validation, release practices. Operational Readiness: ensuring documentation/run books + non-functional requirements are met (security, resilience, performance). Short-Term Objective: baseline Gold Layer model components to enable consistent semantic models and reporting. ...

Data Engineer (MS Fabric)

Hiring Organisation
Syntax Consultancy Limited
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
500/day (Inside IR35)
Warehouse patterns, Gold Layer modelling, defining/implementing ingestion + transformation pipelines (Dataflows Gen2, Notebooks), establishing modelling standards for Gold Layer + semantic models, performance optimization, lineage/observability, governance, RBAC, security, data retention. Team Leading/Delivery: setting standards, directing/mentoring the team, reviewing designs, unblocking delivery. … orchestration, testing, test data preparation, reporting validation, release practices. Operational Readiness: ensuring documentation/run books + non-functional requirements are met (security, resilience, performance). Short-Term Objective: baseline Gold Layer model components to enable consistent semantic models and reporting. SC Clearance preferred, but the client will also ...

Data Engineer (MS Fabric)

Hiring Organisation
Syntax Consultancy Ltd
Location
SW1H 0BB, City of Westminster, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day 500/day (Inside IR35)
Warehouse patterns, Gold Layer modelling, defining/implementing ingestion + transformation pipelines (Dataflows Gen2, Notebooks), establishing modelling standards for Gold Layer + semantic models, performance optimization, lineage/observability, governance, RBAC, security, data retention. Team Leading/Delivery: setting standards, directing/mentoring the team, reviewing designs, unblocking delivery. … orchestration, testing, test data preparation, reporting validation, release practices. Operational Readiness: ensuring documentation/run books + non-functional requirements are met (security, resilience, performance). Short-Term Objective: baseline Gold Layer model components to enable consistent semantic models and reporting. SC Clearance preferred, but the client will also ...