26 to 50 of 101 Performance Tuning Jobs in London

models Building robust Power BI datasets, reports, and semantic models Delivering complex data transformations using Python and PySpark Writing advanced T-SQL queries and performance-optimised stored procedures Acting as a senior escalation point for BI developers and coordinating workload distribution Ensuring governance, best practice, and testing standards across … Hands-on experience with Infor M3 ERP data Advanced Power BI skills across modelling, DAX, optimisation, and dataset design Strong SQL capabilities (T-SQL, performance tuning, stored procedures) Experience with Python and/or PySpark for data transformation Background coordinating or leading BI developers Experience delivering ...

with deep expertise in AWS cloud services , Snowflake , and AWS-native data platforms to lead the design and implementation of scalable, secure, and high-performance data solutions. You will play a pivotal role in shaping our cloud data strategy, driving innovation, and mentoring teams to deliver enterprise-grade data … with AWS cloud services , including but not limited to: S3, Glue, Redshift, Lambda, Kinesis, Athena, Lake Formation. Strong hands-on experience with Snowflake – architecture, performance tuning, security, and data sharing features. Proficient in data modelling, data integration (ETL/ELT), and metadata management. Deep understanding of data governance ...

knowledge of CI/CD, Infrastructure as Code, and automated testing (JUnit, Mockito, integration tests). Experience with SQL and relational databases; understanding of performance tuning and transactionality. Production support experience: monitoring, logging, tracing and incident management. Mindset: self-directed, proactive problem-solver who challenges assumptions rather than ...

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 ...

transactions and flows Driving projects from inception through design, build, testing and release Core requirements: Strong C#/.NET development experience Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience building highly available, resilient systems Excellent communication ...

Innovation: Stay updated on emerging Java technologies, propose new solutions, and contribute to innovation initiatives. • Troubleshooting: Analyze logs, resolve complex technical issues, and perform performance tuning. • Documentation: Write technical specifications and other documentation for new and existing applications. Qualifications: • Education: Bachelor's degree in Computer Science, Engineering ...

excellent opportunity for a mid-level DBA who enjoys hands-on technical work, supporting developers, and strengthening their skills in Azure SQL and performance tuning. You'll play a key role in ensuring the stability, performance, and security of our database estate while working closely with developers … similar role. Strong SQL Server installation, configuration, maintenance, and security understanding. Solid T-SQL skills for writing and refactoring queries. Experience with performance tuning techniques. Exposure to Azure SQL administration and monitoring. Experience supporting development teams with SQL-related needs. Experience with SQL-to-Azure migration projects. Familiarity ...

excellent opportunity for a mid-level DBA who enjoys hands-on technical work, supporting developers, and strengthening their skills in Azure SQL and performance tuning. You’ll play a key role in ensuring the stability, performance, and security of our database estate while working closely with developers … similar role. Strong SQL Server installation, configuration, maintenance, and security understanding. Solid T-SQL skills for writing and refactoring queries. Experience with performance tuning techniques. Exposure to Azure SQL administration and monitoring. Experience supporting development teams with SQL-related needs. Experience with SQL-to-Azure migration projects. Familiarity ...

influence the design of secure, scalable, and resilient infrastructure while cultivating top engineering talent. What You'll Do: Architect and design scalable, resilient, high-performance backend systems and platforms in AWS, prioritizing reliability, security, and cost efficiency. Contribute hands-on to key initiatives—including design reviews, prototyping, coding, performance tuning, and debugging—typically 30% of your time, while mentoring engineers and establishing high standards. Lead cross-team technical initiatives; drive design forums, establish engineering guardrails, and ensure high-quality delivery via code reviews and automation. Partner closely with Product, Design, Data Science, and Platform teams to define ...

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 ...

building a highly reliable, scalable and observable cloud platform. As a Senior SRE, you will play a key role in ensuring the reliability and performance of systems that support millions of customers. This is a hands-on engineering role where you will work closely with platform, cloud and product … post-mortems Working with engineering teams to design resilient, fault-tolerant systems Driving automation across infrastructure, deployments and operations Contributing to capacity planning, performance tuning and cost optimisation Participating in design reviews to improve reliability and scalability Tech Environment GCP and AWS Kubernetes and containerised workloads Terraform ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. Youll design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance-critical environments and want your work to have real market impact, wed love to hear from you. The Role Ultra-Low Latency Engineering Develop ...

APIs and Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (onprem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance, availability, capacity and reliability. Oversee site collections, permissions, authentication, service applications and governance. Support backup, restore and disaster recovery processes. Troubleshoot complex cloud … JavaScript, React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint onprem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server skills. Understanding of authentication, permissions, governance and security ...

Microsoft Graph. SharePoint Administration & Operations Administer both SharePoint SE (on-prem) and SharePoint Online environments. Manage updates, cumulative patches and platform maintenance. Monitor performance, availability, capacity and reliability. Oversee site collections, permissions, authentication, service applications and governance. Support backup, restore and disaster recovery processes. Troubleshoot complex cloud … React, HTML5, CSS3. Strong REST API and Microsoft Graph integration experience. Solid C#/.NET framework experience. Deep knowledge of SharePoint on-prem administration, performance tuning, patching and troubleshooting. Experience with BCS and creating External Content Types. Strong SQL Server skills. Understanding of authentication, permissions, governance and security ...

Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You’ll design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance-critical environments and want your work to have real market impact, we’d love to hear from you. The Role Ultra-Low Latency Engineering ...

solutions using Fabric components: o Data Factory (pipelines, orchestration) o Data Engineering (Lakehouse, notebooks, Apache Spark) o Data Warehouse (SQL endpoints, schemas, MPP performance tuning) o Real-Time Analytics (KQL databases, event ingestion) o Manage and enhance OneLake architecture, delta lake tables, security policies, and data governance within ...

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. ...

physical devices, software components, and network infrastructure. * You will develop and execute integration test plans for hardware/software systems. * You will perform functional, performance, and stress testing on integrated systems. * You will Identify and resolve integration issues across hardware, software, and network layers. * You will document and understand … different architectures supporting distributed, real-time systems. * You will understand how to administer Linux based environments, including performance tuning and security hardening. * You will develop and execute shell scripts for automation and system orchestration. * You will understand the systems engineering lifecycle * You will understand changes in CI/ ...

People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognized worldwide not just for business performance but for inclusion and diversity too. “Across the globe, one thing is universally true of the people of Accenture: We care deeply about what … member of our team, you will have the opportunity to: Lead Pega Architectural Design & Delivery Architect, design, and oversee the implementation of scalable, high‐performance Pega solutions that meet business and technical requirements. Establish Best Practices & Frameworks Define and enforce Pega development standards, methodologies, guardrails, and reusable frameworks ...

reporting, and real-time analytics. Key Responsibilities Design and own end-to-end AI-enabled data architectures supporting investment banking use cases Architect high-performance data storage and retrieval solutions using technologies such as MongoDB , Redis , Elasticsearch and related tools Define best practices across caching , indexing , search optimisation … experience in enterprise technology environments 5+ year's operating in a Technical/Enterprise Architecture capacity Deep expertise in: MongoDB (schema design, scaling, performance tuning) Redis (high-speed caching, distributed access patterns) Elasticsearch (search architecture and indexing strategies) Strong experience embedding AI/ML into enterprise platforms Advanced ...

than traditional database administration. You will be designing, building, and evolving database platforms that must operate at scale, with a strong focus on reliability, performance, automation, and observability. The environment is highly technical, fast moving, and production focused, with a strong engineering culture and a bias toward solving hard … with platform reliability and infrastructure teams to harden systems and reduce operational risk • Building automation around database provisioning, schema management, upgrades, and operational workflows • Performance tuning and optimisation across large scale, data intensive workloads • Embedding observability into database platforms, including metrics, logging, alerting, and incident analysis • Contributing ...