1 to 25 of 39 Performance Tuning Jobs in Central London

mission-critical investment platform. This role sits within a highly regarded technology team supporting front-to-back systems, including SimCorp Dimension , where database performance, stability, and resilience are critical to business operations. The Opportunity A high-impact position focused on the ownership and optimisation of SQL Server environments underpinning … core investment workflows. You will play a central role in ensuring data integrity, performance tuning, and high availability across a complex, regulated environment. Key Responsibilities Database Administration (Core Focus) Own and manage Microsoft SQL Server environments across DEV/UAT/PROD Deliver core DBA activities : backups, restores ...

database systems, including both vendor-supplied and internally developed solutions Design and implement tactical and strategic database solutions with a focus on scalability, availability, performance, and resilience Proactively monitor the SQL Server estate to ensure high availability and optimal performance Provide operational support to internal stakeholders, resolving incidents … within agreed service levels Review database changes produced by development teams, ensuring suitability, security, and performance best practice Administer, maintain, and monitor database platforms with a strong focus on security and compliance Implement and maintain monitoring, alerting, backup, and recovery processes Contribute to continuous improvement initiatives across DevOps ...

scale GenAI platforms with clear separation of concerns: UI, orchestration, retrieval, inference, evaluation, and observability. Select model strategies: hosted LLMs, open-weight models, fine-tuning vs. prompt/RAG, latency and cost tradeoffs, and deployment patterns. 2) Agentic AI Orchestration & Tooling Architect agent systems (single/multi-agent) including … logging Responsible AI practices: evaluation, content moderation, privacy, and compliance-by-design Architecture & Systems Skills (Must Have) Distributed system design: scalability, fault tolerance, caching, performance tuning Observability: logging/metrics/tracing, prompt/version tracking, monitoring SLIs/SLOs Cost management and performance optimization: model selection ...

trusted backend partner for Product and Platform teams. Within 12 months, you will: Confidently own and evolve multiple backend systems. Improve database performance and background job efficiency. Reduce operational risk across TOC integrations. Strengthen CI/CD reliability and deployment confidence. Contribute to longer-term backend architecture improvements … party integrations, ensuring reliable and secure data exchange. Infrastructure Collaboration: Work with the Platform team on AWS-based deployments and CI/CD processes. Performance & Reliability: Optimise background processing and database performance to maintain system stability. Incident Response: Support investigation and resolution of production issues. Cross-Functional Collaboration ...

governance of RESTful APIs, JSON, and HTTP standards API versioning and backward‐compatibility strategies MongoDB/NoSQL expertise, including: Data modeling Indexing strategies Performance optimization Advanced experience with Java concurrency, streams, and performance tuning Cloud & Infrastructure AWS services including EC2, ECS/EKS, S3, RDS and/… working in Agile/Scrum environments and influencing engineering best practices Experience Level Principal‐level backend engineering experience building and operating large‐scale, high‐performance systems Approximately 8+ years of backend development experience, with several years working on production Java and Spring Boot services Proven experience owning architecture ...

based runtime on AWS ; Infrastructure-as-Code via CDK/Terraform (CDKTF) . Apply secure-by-design and TDD ; instrument apps for observability and performance . Collaborate with product, platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material … consuming RESTful APIs ; JSON schemas; integration testing. Comfortable in AWS and modern Infrastructure-as-Code approaches. Strong engineering fundamentals: code reviews, testing, observability, performance tuning . Security Clearance: Active SC or DV (must be current). Nice-to-haves Military background (RAF/Army/Navy) or delivery ...

consistency across multiple sources Partner with BI teams to support dashboards and reporting tools Contribute to platform architecture decisions Continuously improve reliability, scalability, and performance You will be expected to work from the Central London office three to four days per week to enable close collaboration with technical … warehouse architecture and methodologies Experience working with large-scale enterprise datasets Strong analytical mindset with a focus on data quality Nice to Haves Snowflake performance tuning and cost optimisation Python Databricks End-to-end data platform architecture Enterprise BI platforms CI/CD pipelines Infrastructure-as-Code Employee ...

PySpark, EMR, and Glue. Legacy Modernisation: Architect the conversion of SAS Base/Macros into modular, testable Python code using SAS2PY and manual refactoring. Performance Tuning: Optimise Spark execution (partitioning, shuffling, caching) to ensure cost-efficient processing of massive financial datasets. Quality & Governance: Implement rigorous CI/ ...

experience and strong FinOps discipline . This role owns the network‐first, cost‐aware infrastructure architecture for SAP workloads on Azure, ensuring secure, high‐performance, highly available, and financially optimized Azure environments. The architect will design enterprise Azure networking , lead SAP migrations to Azure IaaS , and apply FinOps principles … Design and govern: SAP‐certified Azure Virtual Machines Managed disks (Premium/Ultra) Availability Sets and Availability Zones Own infrastructure sizing, capacity planning, and performance tuning for SAP HANA Define OS‐level standards (Linux/Windows) for SAP Design HA/DR‐ready infrastructure meeting strict RTO/ ...

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 ...

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 ...

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 ...

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 ...

with a focus on: AWS RDS (SQL Server & Aurora PostgreSQL) Building and operating data pipelines (incl. Snowflake integration) Leading SQL Server migrations to AWS Performance tuning, monitoring & optimisation You’ll work closely with cloud, engineering and application teams, playing a key role in shaping database standards and architecture ...

architectures Integrating D365 with ERP systems, contact centre platforms, and IoT solutions Enterprise & Field Service Focus Security role design and enterprise governance Performance tuning for high-volume environments Environment strategy (Dev, SIT, UAT, Prod) Monitoring and logging frameworks Field Service enhancements including: Custom scheduling extensions IoT-driven predictive ...

distributed containerized services using Docker and Docker Swarm. Respond to and resolve incidents, working to minimize downtime and ensure high system availability. Investigate system performance, log anomalies, and service issues, escalating when appropriate. Collaborate with DevOps and software engineering teams to implement improvements and automation. Maintain thorough documentation … system configurations, processes, and known issues. Assist in system upgrades, patching, and performance tuning. Support security compliance and auditing activities where applicable. Participate in an on-call support rotation. Required Skills & Experience: 2+ years of experience in a technical support, DevOps, or infrastructure engineering role. Strong hands-on experience ...

distributed containerized services using Docker and Docker Swarm. Respond to and resolve incidents, working to minimize downtime and ensure high system availability. Investigate system performance, log anomalies, and service issues, escalating when appropriate. Collaborate with DevOps and software engineering teams to implement improvements and automation. Maintain thorough documentation … system configurations, processes, and known issues. Assist in system upgrades, patching, and performance tuning. Support security compliance and auditing activities where applicable. Participate in an on-call support rotation. Required Skills & Experience: 2+ years of experience in a technical support, DevOps, or infrastructure engineering role. Strong hands-on experience ...

serves as the primary desktop operating system, and many core infrastructure services are delivered through Windows Server platforms. This role is key to ensuring performance, reliability, and standardisation across the Windows estate. The successful candidate will work to improve, automate, and optimise the infrastructure environment, contributing to deployment strategy … with global technology teams on deployments, issue resolution, and new initiatives Develop and maintain centrally managed automation scripts and repositories Monitor and optimise hardware performance across physical and virtual environments Contribute to documentation, process improvement, and infrastructure design Required Experience & Skills Advanced experience with Microsoft Windows 10/ ...

systems in the industry. Operating at the cutting edge of technology, this firm offers an intellectually demanding environment where engineering excellence directly drives trading performance and commercial success. You will work alongside top-tier engineers, quants, and traders, contributing to systems that operate at extreme scale and ultra … latency. The Role As a Software Engineer, you will play a critical role in designing, developing, and optimizing high-performance trading platforms used in live markets. Key responsibilities include: Designing and building ultra-low-latency, high-throughput trading applications Performance tuning and optimization of state ...

CSS3) Experience integrating SharePoint solutions using REST APIs, Microsoft Graph, C#, and .NET Hands-on management of on-prem SharePoint environments, including patching, upgrades, performance tuning, and troubleshooting Experience with Business Connectivity Services (BCS), External Content Types (ECTs), and SQL Server design and optimisation ...

logging and alerting, DynamoDB for database management, and AWS Lambda for serverless compute tasks related to project workflows. Implement best practices for environment stability, performance tuning, and security compliance. Produce detailed technical documentation, status reports, and issue logs for ongoing support and knowledge sharing. Communicate effectively with cross ...