1 to 25 of 26 Permanent Performance Tuning Jobs in London

experienced Senior Administrator specialising in Unix/Linux environments and database management within the financial services sector. This role is critical to the stability, performance, and scalability of a recently implemented core banking platform (live since October). The successful candidate will be expected to hit the ground running … enterprise databases (including SQL Server and Oracle environments) supporting core financial applications Manage and support clustered database environments, including Oracle RAC Ensure high availability, performance tuning, and data integrity across all database platforms Application & Web Layer Support Support and manage front-end application environments, with experience in Flexcube ...

Database Developer - Data-Driven Software Company - London (Tech stack: SQL Database Developer, SQL Server 2022, PostgreSQL, C#, T-SQL, SSIS, SSRS, SSAS, Performance Tuning, Query Optimisation, Software Development, Data Engineering, SQL Database Developer) Founded in 2015, our client is a rapidly growing software company focused on delivering high … performance data solutions for enterprise clients. With a strong presence across the U.S. and Europe, they're now scaling their operations in the UK to support growing demand for their cutting-edge data products and services. To support this expansion, they are on the lookout for a talented ...

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 ...

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 ...

stack (Data Factory, Synapse/Fabric, SQL-based semantic layers). Advanced Power BI: data modelling (star schemas), advanced DAX, Power Query/M, performance tuning, RLS and deployment via pipelines. A strong understanding of Power BI engineering discipline: PBIP/TMDL source format, Git-based version control … with demonstrable experience in a team setting. Proven ability to carry out peer review and QA of analytics work, spotting model errors, DAX issues, performance problems and UX weaknesses. Excellent written and verbal communication skills, including presenting to underwriting and senior stakeholders, with a track record of turning ambiguous ...

modelling, and system integration. Advanced SQL skills and experience building and maintaining ETL pipelines. Advanced Power BI expertise, including DAX, dataflows, model optimisation, and performance tuning. Proven experience extracting and working with data from Azure, Salesforce, and ITSM platforms. Strong understanding of service delivery and operational metrics (SLAs, KPIs ...

seeking an experienced Senior kdb+ Developer to join the BestX engineering team. In this role, you will design, build, and optimise high‐performance data platforms using kdb+, supporting BestX's multi‐asset analytics capabilities. The ideal candidate brings deep expertise in kdb+ tick architectures, large‐scale performance tuning … State Street's Global Markets and GlobalLink ecosystem, is the industry‐standard, multi‐asset Transaction Cost Analysis (TCA) platform . Built as a high‐performance analytics platform, BestX processes over one billion market data updates per day , delivering independent, venue‐agnostic insights across FX, fixed income, and equities. BestX ...

requirements and deliver tailored solutions. Ensure data quality, integrity, and security across all systems and processes. Optimise and troubleshoot existing data architectures to improve performance and reliability. Implement best practices for data engineering, including version control, testing, and documentation. Work closely with stakeholders to provide insights and support data … Python for ETL/ELT pipelines Proven ability to lead, mentor, and develop data engineering teams Hands-on experience with data warehousing, modelling, and performance tuning Solid understanding of data governance, quality, and lineage frameworks Experience implementing monitoring, automation, and platform reliability practices Strong stakeholder management skills, translating ...

part of a global, cross-divisional group supporting State Street Alpha. State Street Alpha redefines the common definition of 'alpha' to mean powering better performance and outcomes at every point on the investment life cycle. State Street Alpha is the market leading, first open platform from a single provider … dashboard offering. Skills & Attributes Analytical thinking with strong problem‐solving abilities. Proficiency in SQL with 5+ years of hands‐on experience (complex queries, performance tuning, data modelling). Working knowledge of ETL processes and data flows, including validation, transformation, and loading. High proficiency in Excel for data analysis ...

Define environment strategies (dev/test/prod), CI/CD pipelines, and release processes for Databricks deployments Implement monitoring, logging, cost optimisation, and performance tuning across the platform Design and implement data pipelines using Delta Live Tables, Auto Loader, and Databricks Workflows for both batch and streaming … GDPR, ISO 27001, sector-specific standards) What success looks like in the role: Delivery of robust, secure, and scalable Databricks platforms that meet client performance and cost expectations Clear, well-architected solutions that balance flexibility, governance, and operational efficiency Strong client relationships built on trust, technical credibility, and effective ...

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 ...

ground running. Extensive Database experience, focusing on PostgreSQL, MySQL Server and CosmosDB Strong Infrastructure as Code (IaC) and Automation Database monitoring and performance tuning SQL replication Deep Azure background Patching, upgrades and maintenance High availability database environments Highly Desirable Skills: Terraform CI/CD pipelines Azure DevOps Kubernetes … Database Engineer will be responsible for: Managing and maintaining cloud and on-prem database environments Supporting critical 24/7 production systems Improving database performance, availability, and resilience Building automation and Infrastructure as Code solutions Implementing and improving monitoring across database platforms Managing backup, recovery, disaster recovery, and maintenance ...

Senior Java Developer Annual Salary: Competitive with performance-related bonus Location: City of London (Hybrid - 3 days a week onsite) Job Type: Full-Time, Permanent A new exciting opportunity has become available for an experienced Senior Java Developer to join a growing Technology department working specifically within Capital Markets … customising third-party trading systems. This position is a key step towards a Head of Engineering role, anticipated within 24 months based on performance and organisational growth. Day-to-day of the role: Design, develop, and maintain in-house systems, APIs, reporting tools, and the client web portal. Implement ...

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 ...

entertainment sector. They're expanding their data engineering capability as demand continues to scale. With data at the core of how the business drives performance, commercial insight and strategic decision-making, this is an opportunity to join a company investing heavily in modern, cloud-native data architecture. This … Architect and evolve robust, scalable data infrastructure and workflows Lead technical design decisions and contribute to long-term platform strategy Drive operational excellence across performance, security, governance and cost optimisation Mentor engineers and raise engineering standards across the team Champion modern architectural patterns including event-driven, streaming and distributed ...

River IMS solutions, including: Client assistance in optimal use of the system User administration/privileges Parameter configuration changes System availability Application and database performance tuning Daily operational processing monitoring and support Charles River IMS and database software patches Charles River IMS version upgrades Assistance with problem support … StateStreet.com/careers About State Street Across the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. ...

Cloud Ecosystem Connectivity: Seamlessly integrate data across major cloud platforms (AWS, Azure, GCP), SaaS applications, and modern data warehouses like Snowflake or Databricks . Performance Tuning: Act as the senior technical lead for debugging, advanced error handling, and pipeline optimization to ensure high scalability and performance. Collaboration: Partner ...

Cloud Ecosystem Connectivity: Seamlessly integrate data across major cloud platforms (AWS, Azure, GCP), SaaS applications, and modern data warehouses like Snowflake or Databricks . Performance Tuning: Act as the senior technical lead for debugging, advanced error handling, and pipeline optimization to ensure high scalability and performance. Collaboration: Partner ...

Snowflake features, ecosystem integrations, and upcoming technologies, proactively incorporating them into the platform strategy. Drive adoption of Snowflake capabilities such as data sharing, governance, performance optimization, security, and cost management. Drive adoption through Proof- of-Concept state all the way to production ready platforms. Solution Architecture & Engineering Collaboration Collaborate … with developers, data engineers, and solution architects to design and review Snowflake-based solutions. Provide hands-on technical leadership and guidance for complex solutioning, performance tuning, and architectural decision-making. Influence engineering standards, CI/CD practices, and cloud-native design principles related to data platforms. Client & Stakeholder ...

technical authority and client interface, translating regulatory or business problems into scalable Quantexa architectures Leads teams in shaping data models, ER logic, and performance tuning across high-volume, enterprise datasets Mentors teams while influencing delivery standards, design patterns, and best practice across multiple workstreams In order to secure ...

Online Proven SPFx development TypeScript, JavaScript, React Experience with C#/.NET, SQL Server, and RESTful API integrations Solid on-prem admin background patching, performance tuning, troubleshooting BCS and ECT experience a strong plus Microsoft 365/Azure familiarity (Azure AD, Azure Functions) is a bonus ...

experienced Applications Operations Analyst to join its London office. This is a fantastic opportunity to play a key role in maintaining and improving the performance, security, and reliability of enterprise applications across a dynamic and fast-paced professional services environment. Reporting to the Manager of Applications Operations, the successful … also contributing to process improvement, documentation, and integration stability. The role involves close collaboration with infrastructure, security, and business teams to ensure seamless application performance and user experience. Key Responsibilities: Perform system maintenance, patching, and upgrades in line with change management procedures Monitor application health and performance, proactively ...

systems in test and production operations to address the ever-changing technology stacks in use and new business requirements. Optimise existing systems and conduct performance tuning. Undertake regular weekly and monthly recurring tasks such as data maintenance for the sales CRM. Ensure all production changes are made in accordance ...

data transformation pipelines. Developing and optimising SQL queries, stored procedures, and backend reporting logic. Building and maintaining semantic models, advanced DAX calculations, and performance optimisation strategies. Troubleshooting data integrity, refresh, connectivity, and performance issues across the BI stack. Establishing BI governance, security policies, version control, testing, and documentation … data architecture. Person specification: Highly experienced in Power BI development with strong backend and data engineering expertise. Advanced including query optimisation, stored procedures, and performance tuning. Strong experience with ERP systems, data integrations, ETL processes, and data modelling. Proven experience managing enterprise semantic models and advanced DAX development. Experience ...

outstanding chance to create a significant impact within an ambitious and innovative organization. What You'll Do Own and evolve the architecture of high-performance, highly available MySQL platforms supporting production game workloads. Build database solutions that support long-term data growth, fault tolerance, and operational simplicity. Contribute … technology roadmap planning, capacity forecasting, and architectural decision-making. Proactively identify, diagnose, and resolve database performance bottlenecks across schema build, queries, indexing, and configuration. Define and help meet database reliability targets (SLOs) in collaboration with the Platform Reliability Team. Improve and maintain automation for database provisioning, backup and recovery ...