276 to 300 of 337 Performance Tuning Jobs in London

most strategic and complex customers. This role balances deep technical expertise with hands‐on, onsite engagement, where you will architect solutions, optimise performance, and drive business success by helping customers maximise the value of Cloudflare’s platform. You will collaborate cross‐functionally with Sales, Support, Product, and Engineering … customer insights directly influence the product roadmap and enhance the overall experience. Advise customers on industry best practices for security, network optimisation, scalability, and performance tuning tailored to their specific operational needs. Stay current with industry trends and evolving Cloudflare solutions to provide forward‐thinking guidance and configuration ...

needs and challenges within the compute space within a low-latency Electronic Trading environment Direct the strategies for server hardware platform, server/OS tuning and automation, and infrastructure application lifecycle Design Authority for the compute infrastructure application stack, including build and configuration management, and log/metric aggregation … field Preferred qualifications, capabilities, and skills Mentor SRE and partner teams on automation best practices, technical thought process, and modern infrastructure management Linux administration, performance tuning, and benchmarking for low-latency Electronic Trading, preferably Red Hat Enterprise Linux Extensive experience with Configuration Management, preferably Chef or Ansible Performing ...

needs and challenges within the compute space within a low-latency Electronic Trading environment Direct the strategies for server hardware platform, server/OS tuning and automation, and infrastructure application lifecycle Design Authority for the compute infrastructure application stack, including build and configuration management, and log/metric aggregation … field Preferred qualifications, capabilities, and skills Mentor SRE and partner teams on automation best practices, technical thought process, and modern infrastructure management Linux administration, performance tuning, and benchmarking for low-latency Electronic Trading, preferably Red Hat Enterprise Linux Extensive experience with Configuration Management, preferably Chef or Ansible Performing ...

together. How the Android applications you develop fit into the Android OS lifecycle: notifications, deep links, battery modes, network state, persisting data, and permissions. Performance tuning and optimization. Gradle builds and modules. Strong understanding of concurrency practices and experience working with coroutines; Must be capable of making architectural … teams rely on. See how Navan customers benefit and learn more at navan.com. Culture of Excellence Our team is our competitive edge — a high-performance group of smart, driven people committed to winning together. This dedication to excellence is why we’ve been recognized as a Best Place ...

focus on Java and Spring Boot server-side applications. You will build exotic pricing models, provide Level 3 production support, and contribute to testing, performance tuning and reliability within a fast-paced, collaborative equities technology team leveraging AWS and Kubernetes. #J-18808-Ljbffr ...

/SQL and Oracle APEX 24.2 technical expert for applications, BAU delivery, enhancements and developments. The role focuses on writing efficient SQL, debugging and performance tuning, ETL processing, and ensuring reliable data solutions across Oracle databases, in a hybrid arrangement with two office days per week. #J ...

with cross-functional teams to deliver robust data solutions. Key responsibilities include ingestion from SAP sources via Qlik Replicate and ADF, data modelling, and performance tuning for reliable insights across the organization. #J-18808-Ljbffr ...

Barclays in London is seeking a Low Latency Developer to design, develop and optimize high-performance trading systems that underpin our markets platform. You will contribute to latency-sensitive algorithmic rollouts and ensure the platform remains fast, stable, and precise in a dynamic trading environment. The role emphasizes secure … coding, performance tuning, and collaboration with cross-functional teams to deliver reliable software for critical market activity. #J-18808-Ljbffr ...

degree form a top institution 5+ years in depth experience working with Windows 10 and Server 2012R2/2016 Experience hardware monitoring and performance tuning An appetite for delivering solutions to complex problem Creating and maintaining Powershell scripts Advanced knowledge of Active Directory/DNS/DHCP Experience ...

languages). You bring deep knowledge of programming fundamentals - data structures, algorithms, system design. You’ve built systems at scale and understand distributed architectures, performance tuning and observability. You lead by example: through mentoring, clear communication, and a collaborative mindset. You’re tenacious and resourceful — you know ...

Experience working in Big Query/S3/Glue/Dynamo DB, Dynamic SQLs, V-Arrays, Bulk Collect, Ref Cursors, Record Types and SQL Performance Tuning. #J-18808-Ljbffr ...

SVMs). Strong experience with NFS and CIFS/SMB. Experience with snapshots and SnapMirror. Supporting enterprise storage architecture and operations. Capacity planning and performance tuning. Supporting high availability environments, HA pairs and clustering. Firmware and ONTAP upgrades. Storage migrations and data lifecycle management. Strong understanding of enterprise backup ...

56520Location: London, United KingdomSalary: 90,000 per annumOverview An opportunity for a skilled C# Developer to join a financial services technology team delivering high-performance,secure and resilient systems. You will work across the full software development lifecycle, collaborating withengineering, QA, product and stakeholders to build and enhance solutions … regulated environments. Key Responsibilities Design, build and maintain backend services and APIs using C# and .NET.Develop scalable, low-latency components with a focus on performance, reliability and security. Work with relational databases (SQL Server preferred), including schema design, query optimisation and stored procedures where appropriate. Integrate with internal ...

large datasets and distributed computing frameworks to support data engineering initiatives.Collaborate with architects, analysts, and business stakeholders to deliver data-driven solutions.Troubleshoot and resolve performance, scalability, and data quality issues.Contribute to data platform modernization and best practices.Skills7–9 years of experience in Data Engineering or related roles.Strong hands … experience in Python development.Proven experience with PySpark for large-scale data processing.Strong knowledge of SQL, including query optimization and performance tuning.Exposure to or working knowledge of Scala.Experience working with cloud-based or enterprise data platforms.Strong analytical, problem-solving, and communication skills.Preferred SkillsExperience with data warehousing and ETL frameworks.Exposure ...

will be covering Woking, Guilford, outside M25 south/SW London Cisco Meraki Expertise Design, implement, and manage Cisco Meraki solutions, ensuring seamless network performance, security, and scalability. Provide network engineering support for diverse environments, ensuring robust functionality and connectivity. Administer development, test, and production servers, maintaining optimal performance. … enhance operational efficiency. Perform daily monitoring of network systems, proactively addressing issues related to functionality, connectivity, and load balancing. Contribute to network design, performance tuning, and optimization, leveraging industry best practices. Analyze and recommend commercially available hardware and software to meet system requirements. Offer hands-on support, troubleshooting ...

needs and challenges within the compute space within a low-latency Electronic Trading environment Direct the strategies for server hardware platform, server/OS tuning and automation, and infrastructure application lifecycle Design Authority for the compute infrastructure application stack, including build and configuration management, and log/metric aggregation … field Preferred Qualifications, Capabilities, and Skills Mentor SRE and partner teams on automation best practices, technical thought process, and modern infrastructure management Linux administration, performance tuning, and benchmarking for low-latency Electronic Trading, preferably Red Hat Enterprise Linux Extensive experience with Configuration Management, preferably Chef or Ansible Performing ...

Senior Database Engineer with PostgreSQL and Oracle expertise to implement, support and maintain mission critical database environments. The role covers clustering, storage, security, monitoring, performance tuning and disaster recovery to keep up with DRW’s dynamic and growing business needs. Responsibilities include optimizing database platforms, performing backups ...

trading desks and core technologists to ensure stable, low-latency data delivery and scalable operations. The role emphasizes SRE practices, automation, release management, and performance tuning in a global market data landscape. Strong scripting, Linux, and data-model knowledge are essential. #J-18808-Ljbffr ...

consultancy firm based in London is seeking a skilled Database Administrator to manage database systems and ensure their optimal performance. Key responsibilities include performance tuning, troubleshooting errors, and enhancing database security. Candidates should possess a strong command of SQL and have an IT-related degree. Familiarity with various ...

/OS, and COBOL, to work on critical banking applications. The role involves development, maintenance, and optimization of legacy systems, with a focus on performance tuning and production support. Candidates should have strong skills in DB2, IMS, and experience with Agile methodologies. This is a contract position based ...

Technical Architect to design and guide scalable, secure ServiceNow solutions for enterprise clients. You will translate complex requirements into architectural blueprints and lead governance, performance tuning, and security efforts across IRM, SecOps, ITSM, ITOM, and CSM modules. Architect and oversee integrations via REST, SOAP, JDBC, and MID Server ...

pipelines, and AI-assisted development tools from day one, contributing to a culture focused on quality and continuous improvement. The role emphasizes debugging, performance tuning, automated testing, and collaboration across teams to deliver robust financial software used by millions of customers worldwide. #J-18808-Ljbffr ...

Forms, Reports, BI Publisher, and Workflows. · Build and support interfaces, conversions, and extensions using Oracle APIs and Open Interfaces. · Perform troubleshooting, debugging, and performance tuning for EBS customizations and concurrent programs. · Support EBS upgrades, patches, cloning, and deployments across development, test, and production environments. · Work closely with functional ...

sales Duties will include the setting of proprietary software for booking, pricing and trading (manual and automaton, market interface) : Real-time settings Market access performance tuning Computation setup Duties will also include electronic executions matching, new releases deployment, bug reporting and new features or improvements requests to development ...

Flow. Full Ownership: Proven track record owning app design, testing, modularisation, and store deployments. API Integration: Hands-on experience with REST/OpenAPI and performance tuning for mobile devices. Desirable Skills Experience taking a consumer app from zero to launch or being the sole Android engineer. Familiarity with ...