26 to 50 of 336 Performance Tuning Jobs in London

understand requirements and resolve issues Creating and maintaining low-level technical designs and documentation Supporting CI/CD and software delivery activities Debugging, performance tuning and improving application reliability Participating in Agile ceremonies and sprint activities Contributing to digital transformation and wider engineering projects What we're looking … experience with: Java and associated technologies Spring Boot Unit testing, test automation and TDD DevOps tooling and CI/CD Debugging, profiling and performance tuning Agile software delivery Experience with Docker or other container technologies would also be beneficial. We are looking for someone with strong problem-solving ...

both **online (CICS)** and batch processing environments* Perform debugging, root cause analysis, and resolution of production issues/abends* Optimize SQL queries and DB2 performance tuning* Work with schedulers such as **Control-M/CA7/TWS*** Participate in application modernization initiatives including API enablement and cloud integration … tools: + Endevor/ChangeMan + File-AID + Expeditor/Xpediter + Abend-AID + SDSF/SPUFI/QMF* Strong troubleshooting and performance tuning skills* Experience in production support and incident management**Job Title: Mainframe Developer – CICS/z/OS** **Location: London, UK (Hybrid)** **Experience ...

sources, and training and inference techniques for generative multimodal models, especially for robotics applications (e.g., VLAs, WAMs). Experience optimizing models and systems (e.g., performance tuning, experimentation, and debugging). Minimum qualifications PhD in a technical field or equivalent practical experience. Experience with algorithmic architectures, data sources … training and inference techniques for generative multimodal models, especially for robotics applications (e.g., VLAs, WAMs). Experience optimizing models and systems (e.g., performance tuning, experimentation, and debugging). Preferred qualifications Practical experience in "hill-climbing" model performance (e.g., iteratively improving training recipes and model benchmarks). Experience ...

data quality, acquisition, and labeling strategies, and oversee mixture optimization for robotics foundation models.Coordinate training runs, improve training recipes, and systematically hill-climb model performance against benchmarks.Build and maintain the software tools and processes required to iterate on research ideas quickly and verify data quality through robot policy training.Contribute … data sources, and training and inference techniques for generative multimodal models, especially for robotics applications (e.g., VLAs, WAMs).Experience optimizing models and systems (e.g., performance tuning, experimentation, and debugging).Preferred qualifications:Practical experience in "hill-climbing" model performance (e.g., iteratively improving training recipes and model benchmarks).Experience ...

etc. and SOAP . Expertise in Adobe form development(both Classical, Fragment based) with Java scripting knowledge Expert in Fiori related troubleshooting, AIF, Performance tunning Techno Functional expertise in SAP Concur, Accounts Payable/Receivables, Billing and Invoicing Hands on experience with good knowledge of S/4 HANA … Fiori Apps Strong knowledge in the ABAP runtime analysis tool (SE30), SQL Trace (ST05), System dump analysis (ST22) to analyse and improve runtime performance, performance tuning, troubleshooting, problem resolution and capacity planning. Preferred Experience in Life science domain. Previous experience for working in Pharmaceutical vertical Multilingual proficiency ...

cause, not a restart. What you will do Own and evolve our HPC environment: cluster administration, job scheduling (e.g., Slurm/PBS/LSF), performance tuning, and capacity planning for compute-heavy engineering workloads. Experience with Entra ID Governance: Access Reviews, Identity Protection, Privileged Identity Management … least 2–3 years in a lead or senior technical role. Demonstrable hands-on experience managing HPC infrastructure including cluster administration, job schedulers, and performance tuning for CPU/GPU workloads. Experience with compliance frameworks (e.g. SOC 2, ISO 27001) and able to translate control requirements into actual ...

Fiori Apps Strong knowledge in the ABAP runtime analysis tool (SE30), SQL Trace (ST05), System dump analysis (ST22) to analyse and improve runtime performance, performance tuning, troubleshooting, problem resolution and capacity planning. Preferred Experience in Life science domain. SAP S/4 EWM technical knowhow – high level … powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ...

Must Ideally Have:·MySQL and MariaDB on Linux·InnoDB·Database installations, backups, restores, replication·Scripting languages – Python and Bash·Stored procedures, SQL tuning·Performance Tuning·Capacity planning·Transaction processingYou will be joining a progressive and exciting company committed to excellence. They offer an excellent working environment with ...

endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full‐Stack Development: Develop responsive and performant front‐end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect … development teams and managing large‐scale projects. Database Expertise: In‐depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem‐Solving: Ability to troubleshoot complex ...

level all key system flows, the services, partners, and teams in play, and how to actively debug an incident. Lead reliability engineering: resilience patterns, performance tuning, capacity planning. Facilitate post-incident reviews and track actions to completion. Use AI tools for automated alert correlation, root cause analysis … observability tools, alerting, logging, and distributed systems debugging. Experience managing and working with offshore support teams. Hands‐on experience with reliability engineering: resilience patterns, performance tuning, capacity planning. Active use of AI tools for incident triage, automation, and runbook generation. Ability to understand complex system flows across multiple ...

Description We’re looking for Java Developers with experience building low-latency systems to join us on a high-performance trading and real-time data project, for a major financial institution. You’ll work on mission-critical applications where performance, scalability, and reliability truly matter — the kind … opportunity to bring world-class engineering principles to projects at the very heart of modern finance. Your work will focus on writing and tuning high-performance Java frameworks, improving throughput and latency, and applying event-driven, microservice-based architectures. You’ll collaborate closely with other talented engineers, helping ...

proposals, architecture options papers, and business cases to senior stakeholders and governance boards Lead architecture assurance and design authority reviews, ensuring solutions meet security, performance, resilience, and compliance requirements Define solution patterns and reference architectures for Oracle cloud workloads that can be reused across programmes Manage technical risk throughout … above) on-premises and in cloud Manage Oracle Database Service deployments across OracleDB@Azure, OracleDB@AWS, and OracleDB@GCP Perform database performance tuning, patching, backup and recovery, and capacity planning Manage Oracle RAC, Data Guard, and ASM environments Support Oracle Advanced Security features including TDE, audit vault ...

support AI-driven analytics, recommendations, forecasting, and intelligent automation. Optimise cloud data platforms for AI scalability, including data lakehouse architectures, semantic layers, and high-performance data retrieval patterns. Stays current with Snowflake features, best practices, and industry trends in cloud data platforms. Performs additional related duties as assigned. Knowledge … complex SQL queries and stored procedures Database stored procedures, functions, views, and schema design Using Streams, Tasks, Time Travel, and Cloning Proficiency in database performance tuning and performance optimisation — clustering, warehouse sizing, caching, etc. Experience configuring external stages to integrate with cloud storage (AWS S3, Azure Blob ...

sits at the heart of a business-critical software platform. You'll be joining a collaborative engineering team where you'll solve complex database performance issues, improve scalability and reliability, and play a key role in the ongoing development of a mature SQL estate. If you enjoy analysing execution … plans, tuning complex queries and solving challenging SQL performance problems, this is an excellent opportunity. The role Develop, enhance and maintain complex T-SQL stored procedures, functions and queries. Investigate and resolve SQL performance issues using execution plans and performance analysis tools. Optimise queries, indexing strategies ...

secure and complex environment. The successful candidate will be responsible for designing, building, optimising and maintaining scalable data solutions, ensuring the availability, integrity and performance of enterprise data platforms. Key Responsibilities Design, develop and maintain Oracle-based data solutions and data pipelines. Build and optimise ETL/ELT processes … requirements. Develop and maintain Oracle databases, schemes, stored procedures, functions and packages. Ensure data quality, governance, security and compliance across all data assets. Troubleshoot performance issues and implement database tuning and optimisation strategies. Collaborate with architects, developers and business stakeholders to deliver data-driven solutions. Support cloud ...

hands-on software development role . The successful candidate will be responsible for designing, developing, enhancing, and delivering robust, scalable, secure, and high-performance Java applications and microservices. The role requires strong expertise in Java, Spring Boot, RESTful APIs, SOAP web services, microservices architecture, Test-Driven Development (TDD), Behaviour … secure authentication and authorisation mechanisms for applications and APIs. Develop integrations with relational databases, document databases, messaging platforms, and external systems. Optimise applications for performance, scalability, resilience, reliability, and security. Diagnose and resolve complex application, integration, performance, and production code issues. Conduct peer code reviews and provide technical ...

efficient server-side applications. The ideal candidate should have experience in microservices architecture, API development, database management, and frontend ensuring high availability and performance of backend and frontend services. In this role, you will collaborate closely with frontend engineers, product managers, and other stakeholders to build robust backend solutions … that power our applications. A strong focus on Separation of Concerns (SoC), security best practices, and performance optimization is crucial for success in this position. Your key responsibilities: Integrate models into backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services ...

focusing on building robust, scalable systems that serve both data analytics and artificial intelligence workloads. The ideal candidate will bridge the gap between high-performance trading systems and modern AI capabilities, ensuring reliability, performance, and actionable insights across both domains. Job ResponsibilitiesData Platform & AnalyticsDesign, build, and operate high … using modern frameworks (LangGraph, A2A, MCP) with focus on controllability and auditabilityJob RequirementsMandatory Foundations5+ years production experience with both Python and Java in high-performance environmentsStrong software engineering fundamentals: system design, data structures, algorithms, data integrity, accuracy and performance optimizationExpertise in Linux, Github, and modern CI/ ...

solution proposals, architecture options papers, and business cases to senior stakeholders and governance boardsLead architecture assurance and design authority reviews, ensuring solutions meet security, performance, resilience, and compliance requirementsDefine solution patterns and reference architectures for Oracle cloud workloads that can be reused across programmesManage technical risk throughout the solution … environments (11g, 12c, 19c and above) on-premises and in cloudManage Oracle Database Service deployments across OracleDB@Azure, OracleDB@AWS, and OracleDB@GCPPerform database performance tuning, patching, backup and recovery, and capacity planningManage Oracle RAC, Data Guard, and ASM environmentsSupport Oracle Advanced Security features including TDE, audit vault ...

Technology in London, we are looking for a senior database developer with strong data architectural skills to take ownership of the design, integrity, and performance of the data platform that powers Credit Benchmark’s products. The majority of our development team is based in Bangalore … suite of products Experience in analyzing and troubleshooting production database issues using Redgate monitoring/logs, with strong root‐cause analysis and performance diagnostics skills Analyse, design, and implement database solutions for given business and technical problems Enhance existing backend data platforms to deliver new business requirements Maintain existing ...

PostgreSQL databases hosted on the AWS Cloud platform. The successful candidate will collaborate with cross-functional teams to ensure database reliability, availability, and performance, while also contributing to the overall architecture and strategy of our cloud‐based database solution. 1. Database Design and Architecture: Collaborate with software engineers, DevOps … instance sizing, storage, and security. Implement and manage replication, clustering, and backup/recovery strategies to ensure high availability and disaster recovery. 3. Performance Monitoring and Optimization: Monitor database performance, proactively identifying and resolving performance bottlenecks, slow queries, and other issues affecting system responsiveness. Tune database parameters ...

ambiguous problem statements, and define measurable outcomes and acceptance criteria. Collaborate with OR/optimisation experts to integrate solvers (e.g., Gurobi) and ensure model performance, correctness, explainability, and maintainability. Establish strong engineering practices: code review, automated testing, CI/CD, release management, incident response, and post‐incident learning. Build … observability into optimisation services (KPIs, logs, traces) and manage performance tuning (latency, throughput, cost) across environments. Contribute hands‐on when needed (prototyping, critical‐path coding, reviews), while primarily enabling the team to deliver consistently. Required qualifications Proven experience leading a software engineering team delivering production‐grade systems (people ...

remit Help us modernise: we’re actively evolving this stack and expect you to challenge and improve it, not just operate it Warehouse cost & performance Own the performance and cost profile of our Redshift warehouse — you should be able to read a query plan, choose sensible sort … from scratch Nice‐to‐haves Airflow or similar orchestration tools, and familiarity with data ingestion tools such as dlt or Airbyte Warehouse cost and performance tuning, particularly on Redshift Fintech, investment management, or another regulated industry Handling PII responsibly in an analytics environment — sanitised vs. restricted datasets, role ...

SYSTEMS DEVELOPER – High Performance Trading InfrastructureLondon – Hybrid100,000-150,000 + bonusQuant Capital is recruiting on behalf of a leading global quant investment firm seeking a Systems Developer to join its high-impact technology group in London. This role is part of a core engineering team focused on building … maintaining the backbone infrastructure supporting high-performance trading and large-scale research. In this hands-on role, you will gain significant exposure to distributed systems, high-throughput computing, and low-latency infrastructure. You'll work on complex technical challenges that directly influence the firm's ability to process data ...

with stakeholders across Front Office, Risk, Product Control, and Finance to deliver timely, consistent, high-quality analytics. You will help strengthen reliability, governance, and performance across enterprise data platforms, including Databricks and Amazon Redshift. As a Senior Lead Software Engineer at JPMorgan Chase in the Risk Central team … operational excellence. Design and build robust batch and streaming pipelines using distributed compute for high-volume workloads. Implement efficient data modeling, partitioning, and performance tuning strategies for large datasets. Build reusable frameworks and components to accelerate onboarding of new datasets and analytics use cases. Engineer data products ...