15 of 15 Performance Optimisation Jobs in the City of London

Data Engineer SC Cleared

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Airflow or Apache Spark Collaborate with frontend/backend developers using Node.js or React Implement best practices in data modelling, ETL processes and performance optimisation Contribute to containerised deployments (Docker/Kubernetes) - experience in this area is desirable, not essential Operate within Agile teams and support DevOps practices ...

Data Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
heads-down coder' type. Top 4 Core Skills Python - workflow automation, data processing, and ETL/ELT development. Snowflake - scalable data architecture, performance optimisation, and governance. SQL - expert-level query writing and optimisation for analytics and transformations. dbt (Data Build Tool) - modular data modelling, testing, documentation ...

SharePoint Developer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 550 per day
OneDrive, and other Microsoft 365 services. Build PowerApps that connect to live data sources (Dataverse, SQL, SharePoint, APIs). Support ongoing maintenance, troubleshooting, and performance optimisation of Power Platform solutions. Apply now to speak with VIQU IT in confidence about the Sharepoint Developer role. Or reach ...

Data Engineer (Databricks)

Hiring Organisation
Hays Technology
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day 450
designing and optimising large-scale data engineering solutions within the Databricks Data Intelligence Platform. This role is ideal for someone passionate about building high-performance data pipelines and ensuring robust data governance across modern cloud environments. Key Responsibilities Design, build, and maintain scalable data pipelines using Databricks Notebooks, Jobs … Workflows for both batch and streaming data. Optimise Spark and Delta Lake performance through efficient cluster configuration, adaptive query execution, and caching strategies. Conduct performance testing and cluster tuning to ensure cost-efficient, high-performing workloads. Implement data quality, lineage tracking, and access control policies aligned with Databricks ...

Technology Product Owner, AI, Microsoft Stack, Data Bricks, Remote

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Developer before moving into Product Ownership Technical proficiency:Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance. Experience with implementing and optimising scalable cloud infrastructure is highly valued. Backlog management:Demonstrated expertise in maintaining and prioritizing product backlogs ...

Audit Technology Product Owner, Big 4, Accountancy, Remote with Travel

Hiring Organisation
Carrington Recruitment Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Read on for more details Experience required: Technical proficiency:Familiarity with Azure services (e.g., Data Lake, Synapse, Fabric) and Databricks for data engineering, analytics, performance optimisation, and governance. Experience with implementing and optimising scalable cloud infrastructure is highly valued. Backlog management:Demonstrated expertise in maintaining and prioritizing product ...

Senior ZK-Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
trustless Bitcoin vaults and zk light-client operations. Lead the architecture and implementation of zkVM systems, including circuit design, data interfaces, proof pipelines, and performance optimization. Implement and enforce security best practices across zkVM programs. Requirements: Demonstrated expertise in Rust programming. Proven experience delivering zero-knowledge systems or infrastructure ...

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
City of London, London, United Kingdom
Employment Type
Permanent
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 ...

IT Application Operations Engineer

Hiring Organisation
Spencer Rose Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 95,000 Annual
discretionary bonus On behalf of a valued client within the Insurance industry, I am seeking an IT Application Operations Engineer to ensure the stability, performance and reliability of their business-critical applications. This role is ideal for someone who thrives in a fast-paced environment, excels at problem-solving … within commutable distance of London. Responsibilities: Maintain, support, and optimise core TFP applications. Develop custom tools and features to enhance system functionality. Monitor performance, troubleshoot issues, and lead incident resolution. Manage SLAs, service performance metrics, and continuous improvement initiatives. Provide responsive technical support to business users. Drive automation ...

C++ Software Developer

Hiring Organisation
Ncounter Limited
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 160,000 - 170,000 Annual
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++ ...

Director, S-REIT

Hiring Organisation
NTT Global Data Centers EMEA UK ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
engagement activities, including roadshows and conferences. Oversee one or more stabilized assets, collaborating with FP\&A, Business Case, and cross-functional teams to establish performance baselines and challenge assumptions. Monitor monthly asset performance (rent roll, leasing strategy, P\&L, capex), lead execution of asset strategies, and track implementation … experience in investor relations or capital markets, ideally with exposure to REITs or listed entities. Multiple years of experience in asset management or financial performance optimization, preferably in real estate or infrastructure. Multiple years of experience in a leadership role managing regional teams or cross-functional stakeholders. Proven experience ...