1 to 25 of 105 Performance Tuning Jobs in London

manage enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains with a strong focus on capacity planning, performance engineering, and operational resilience. The role supports large‐scale enterprise environments, ensuring high availability, scalability, and performance across all infrastructure layers. Key Responsibilities Infrastructure … network; analyze trends for CPU, memory, storage IO, and network utilization; recommend and implement capacity optimization; collaborate with application, database, and infrastructure teams. Performance Engineering & Optimization – Lead performance analysis and tuning across AIX/Linux/Windows and VMware environments; identify bottlenecks in CPU, memory, disk ...

Database Maintenance & Security: Manage and support MS SQL Servers, designing data backups, reviewing security procedures, managing user permissions, and applying crucial patches or upgrades. Performance Tuning & Optimisation: Monitor, optimise and deliver performance tuning or modifications to software code and database migrations to ensure high availability ...

Data Factory and Databricks, replacing legacy SSIS pipelines. Identifying opportunities to harden and automate manual steps within the Finance Close workflow Conduct T-SQL performance tuning across on-prem and cloud environments.Conduct T-SQL performance tuning across on-prem and cloud environments. Collaborate with ...

operational processes using SQL, Python, or PowerShell. Database Administration: Administer and manage SQL Server environments hosted on Azure VMs, handling security, backup/recovery, performance tuning, and access management. Platform Modernization: Support database migrations, system upgrades, and platform modernization initiatives. Governance & Security: Implement data quality controls, governance standards … Server development and administration skills, including hands-on experience managing SQL Server on Azure Virtual Machines. Database Expertise: Proven track record in database migration, performance tuning, backup/recovery, and security implementation. Scripting & Automation: Strong scripting abilities in SQL, Python, and/or PowerShell. Data Formats: Experience working ...

operational processes using SQL, Python, or PowerShell. Database Administration: Administer and manage SQL Server environments hosted on Azure VMs, handling security, backup/recovery, performance tuning, and access management. Platform Modernization: Support database migrations, system upgrades, and platform modernization initiatives. Governance & Security: Implement data quality controls, governance standards … Server development and administration skills, including hands-on experience managing SQL Server on Azure Virtual Machines. Database Expertise: Proven track record in database migration, performance tuning, backup/recovery, and security implementation. Scripting & Automation: Strong scripting abilities in SQL, Python, and/or PowerShell. Data Formats: Experience working ...

modernization initiatives from Teradata to Snowflake. Lead development of data models, ETL processes, and data integration strategies. Define data modeling, performance tuning, and SQL optimization standards. Ensure scalable, secure, and cost‐efficient Snowflake usage. Evaluate and recommend tools and technologies to enhance data management and analytics capabilities. Migration … business teams. Provide technical guidance during design and production issues. Participate in client discussions and solution reviews. Required Technical Skills Teradata – strong SQL, performance tuning, BTEQ scripting, experience with FastLoad, MultiLoad, TPT. Snowflake – architecture (virtual warehouses, storage, micro‐partitioning), SQL optimization, cost governance, Streams, Tasks, MERGE, roles, RBAC ...

Microsoft SQL Server, including distributed Always On, and at least one open-source RDBMS platform (MySQL or PostgreSQL). Deep knowledge of database architecture, performance tuning, optimization, database design, backup/recovery, high availability, and disaster recovery. Cloud Database Expertise: Multiple years of production experience with AWS services … Advanced SQL programming and query optimization, partitioning, compression, database security, access control, auditing, compliance, active/passive clusters, Always On clusters, Azure Database (plus), performance monitoring, troubleshooting, data modeling, schema design, version control (Bitbucket). Soft Skills: Excellent communication and interpersonal abilities, strong problem‐solving and analytical thinking, ability ...

activities, identify root causes, and execute plans to permanently resolve them. Architecture Support: Support development and engineering teams in building highly available, scalable solutions. Performance & Capacity: Conduct performance tuning and capacity planning to align perfectly with client business needs. Cloud Migrations: Drive or support implementation teams ...

Principal) Set data architecture, mentor engineers, lead platform strategy and larger initiatives What You'll Bring Technical Expertise: Strong SQL—comfortable with complex transformations, performance tuning and warehouse-specific dialect Strong Python skills (or Scala/Java where relevant) for pipeline development and tooling Hands-on experience with ...

hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. Driving the in-flight ETL replatform replacing legacy SSIS jobs with a table-driven, parallel ...

reusable modules, CI/CD pipelines and policy‐as‐code guardrails. Leverage AI agents extensively to automate and optimise platform work—provisioning, cost and performance optimisation, incident response, remediation and documentation. Prepare the infrastructure for AI agents as first‐class “engineers”: safe machine identities, scoped permissions, sandboxes, approval workflows … Partner with data engineering to design and optimise data pipelines, data stores and large‐scale analytics infrastructure such as BigQuery, including query, cost and performance tuning. Mentor engineers, set technical direction and champion strong platform and security engineering standards across the organisation. What you’ll need to succeed Essential ...

access controls, row‐level security, dynamic data masking, and PII governance in line with regulatory requirements (GDPR, BCBS 239) Champion Snowflake best practices for performance tuning, clustering keys, materialised views, and query optimisation Evaluate Snowflake‐native capabilities (Snowpark, Cortex AI, Dynamic Tables) and recommend adoption where they accelerate … Formation, IAM, VPC Data Governance Data lineage, cataloguing (Apache Atlas/Collibra/Snowflake Horizon), GDPR, BCBS 239, MDM AI/ML Data Query & Performance SQL optimisation, clustering keys, partitioning, query profiling, cost‐based tuning Data Landscape The Data Architect will work across the following technology landscape. Candidates ...

Project description We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close collaboration with business stakeholders—particularly within Risk functions … best practices across the team. Responsibilities Design, develop, and maintain kdb+ tick systems, with a strong understanding of data organisation, schema design, and the performance implications of different architectural approaches. Build and operate solutions handling large scale, high frequency datasets, ensuring low latency, high throughput, and efficient memory usage. ...

Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You’ll Need 5+ years of backend development experience Strong .NET skills for API development and business ...

Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You’ll Need 5+ years of backend development experience Strong .NET and C# skills for API development ...

collaboration, and a passion for cutting‐edge technologies. Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close … days in the office) Key Responsibilities Design, develop, and maintain kdb+ tick systems, with a strong understanding of data organisation, schema design, and the performance implications of different architectural approaches. Build and operate solutions handling large scale, high frequency datasets, ensuring low latency, high throughput, and efficient memory usage. ...

ideas, and high‐availability design. Guide customers up the data streaming maturity curve with recommendations on advanced topics (data mesh, stream processing, utilization optimization, performance tuning). Develop and present periodic customer reviews, including analysis of technical health and operational performance, to Confluent senior management. Document … Private Service Connect, TLS/SSL, SASL). Experience prototyping and analyzing code in multiple languages (Java, Python, Go, etc.). Experience with JVM tuning and troubleshooting. Experience operating Linux; proficient in configuring, tuning, and troubleshooting both RedHat and Debian‐based distributions. Ability to learn new technologies quickly ...

technology evaluations, and platform transformation initiatives. Establish governance, security, resilience, scalability, and cost‐optimization frameworks. Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi‐environment strategy. Define enterprise data platform standards and operational best practices. Guide warehouse sizing, workload management, performance tuning ...

with data teams to define robust data pipelines and scalable cloud-based data platforms using tools like Apache Kafka, Snowflake, or Databricks. Monitoring and Performance Tuning: Implement advanced monitoring and observability solutions using tools like Prometheus, Grafana, or Datadog to proactively identify and resolve performance bottlenecks. Code … System Optimisation: Proactively analyse and optimise existing systems for improved performance, scalability, and maintainability. Core skill set for this position: Strong experience building and scaling banking payment systems including either Faster Payments, Real-Time Payments, Card payments, BACS, mobile wallets and APIs is a must have. Experience leading upon ...

with data teams to define robust data pipelines and scalable cloud-based data platforms using tools like Apache Kafka, Snowflake, or Databricks. Monitoring and Performance Tuning: Implement advanced monitoring and observability solutions using tools like Prometheus, Grafana, or Datadog to proactively identify and resolve performance bottlenecks. Code … System Optimisation: Proactively analyse and optimise existing systems for improved performance, scalability, and maintainability. Core skill set for this position: Strong experience building and scaling banking payment systems including either Faster Payments, Real-Time Payments, Card payments, BACS, mobile wallets and APIs is a must have. Experience leading upon ...

with data teams to define robust data pipelines and scalable cloud-based data platforms using tools like Apache Kafka, Snowflake, or Databricks. Monitoring and Performance Tuning: Implement advanced monitoring and observability solutions using tools like Prometheus, Grafana, or Datadog to proactively identify and resolve performance bottlenecks. Code … System Optimisation: Proactively analyse and optimise existing systems for improved performance, scalability, and maintainability. Core skill set for this position: Strong experience building and scaling banking payment systems including either Faster Payments, Real-Time Payments, Card payments, BACS, mobile wallets and APIs is a must have. Experience leading upon ...

shell scripts for automation, job scheduling, and data processing Perform data analysis, mapping, and transformation for complex data sources Ensure data quality, integrity, and performance optimisation across ETL processes Collaborate with business and technical teams to translate requirements into scalable data solutions Support testing, deployment, and production support activities …/SQL) Proficiency in UNIX/Linux shell scripting Proven experience working in Data Warehouse/ETL environments Experience in data integration, transformation, and performance tuning Strong understanding of ETL frameworks, data pipelines, and batch processing Desirable Skills Working knowledge of SAS (especially in ETL context) Experience ...

provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong … Gibraltar. CoinDesk Indices – a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries. CoinDesk Data – a broad suite of digital assets market data and analytics, providing real-time insights into ...

Product, Technology, Marketing) to define, estimate, and deliver features on time and to specification. Participate in architectural discussions, proposing innovative improvements to enhance system performance, reliability, and maintainability. Develop front-end interfaces using modern web technologies (HTML5, CSS3, JavaScript, React) to ensure engaging and responsive user experiences. Integrate APIs … Jira. Proven track record of delivering features and projects to deadlines while maintaining high standards of quality and reliability. Understanding of application and database performance tuning, troubleshooting, and optimization techniques. Comfortable working in small, collaborative teams and taking initiative in managing development tools, environments, and build processes. Familiarity ...

customers include Deutsche Telekom, Viaplay, Fox, Disney, NBC, Paramount+, and many others. Core Responsibilities Analyzes and forecasts system capacity requirements to ensure scalability and performance for high‐profile events. Participate in incident response efforts, conduct post‐incident reviews, and implement corrective actions and improvements to monitoring. Develop and maintain … monitors and alerts across all services. Optimize system performance through tuning and configuration adjustments. Develop and maintain disaster recovery plans and procedures to ensure business continuity. Create and maintain comprehensive documentation for systems, processes, and procedures. Monitor and optimize cloud infrastructure to ensure efficient resource utilization. Identify opportunities ...