176 to 200 of 267 Performance Tuning Jobs in London

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 is critical. … 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.Please note that this is an onsite role that will require ...

collections, concurrency, NIO) Experience with Spring Boot, JPA, Hibernate Solid understanding of integration patterns (Apache Camel) Hands-on experience with IBM MQ (configuration, troubleshooting, performance tuning) Strong experience building microservices and RESTful APIs Knowledge of message formats and data transformation (XML, XSD, XSLT, JSON) Experience with SQL databases ...

complex production issues and keeping critical SQL Server environments performing at their best. What they're looking for: Strong Production SQL Server Administration experience Performance tuning and troubleshooting expertise High Availability & Disaster Recovery experience Always On Availability Groups (a real priority for the hiring manager) Experience supporting large ...

experienced PostgreSQL DBA with strong Azure database administration experience to support a database modernisation programme. Key requirements: Strong PostgreSQL DBA experience, including performance tuning, backup/recovery and high availability. Experience administering and optimising Azure-hosted database environments. Proven background delivering database migration and modernisation projects. Knowledge ...

scheduling of deployments. Partner with APS and other teams to optimise monitoring configurations, events, and dashboards. Produce reporting on tool adoption, usage, and key performance metrics. Contribute to global discussions around the ongoing evolution of monitoring strategy, sharing insights and best practices. Core Technical Skills Advanced expertise in Unix …/Linux systems administration, including performance tuning, troubleshooting, and scripting. Strong proficiency in Git and source control management, including branching strategies and integration with CI/CD pipelines. Proven experience with infrastructure automation, particularly Ansible, in large enterprise environments. Splunk Platform: hands‐on experience in Splunk administration, managing ...

tools. Ensure all devices are appropriately configured and patched. Ensure all devices utilise managed builds via Puppet or alternative tools. Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes. Maintain security, backup, and redundancy strategies. Provide … problem resolution. Design, develop and maintain infrastructure in the cloud using infrastructure as code tools. Monitor the cloud environment to ensure optimal cost and performance metrics. Work with Software Development teams to build and maintain continuous integration and deployment processes. Own and maintain the EKS infrastructure. Ensure the Newquay ...

expansionary role due to team growth.This team is responsible working with clients as well as internal teams on architectural design, technical infrastructure, and performance optimizations. The team has an advisory role to Product Development on system enhancements and research of new technology opportunities as well as is a first … with the implementation team Advice on infrastructure best practices and system resource allocation Technical architecture consulting during project implementation phase Provide expertise on production performance and infrastructure issues Onsite technical audits for optimal configurations and system resources usage Provide architectural and technological expertise to supportSales, Pre-Sales, Operations ...

OpenAI, Gemini, etc.) and relevant frameworks (e.g., LangChain, LangGraph, Crew AI, or similar).Deploy, operate, and iterate on AI systems in production environments, including performance tuning and cost optimization.Design and build Retrieval-Augmented Generation (RAG) systems using embeddings, vector databases, and semantic search.Build and optimize prompts and interaction … Python for all components of the agentic applications, from backend logic to API integrations.Implement testing, evaluation and monitoring strategies for agentic systems to ensure performance, reliability, and safety, and effective reasoning, tool usage, and failure handling.Collaborate closely with product managers, designers, and other engineers to translate requirements into technical ...

observability while unifying design patterns across platforms. Drive high standards for technical quality across Apex, Lightning Web Components (LWC), data architecture, platform security, performance optimization, and DevOps. Proactively identify, prioritize, and remediate technical debt to ensure long-term platform health. Target Technical Landscape The successful candidate will provide architectural … throughput integration patterns, and resilient cross-platform data flows. Hands-On Technical Depth: Comprehensive understanding of platform mechanics—data modeling, sharing/security models, performance tuning, Apex, LWC, Flows, and declarative vs. programmatic best practices. Delivery & Governance: Solid background establishing DevOps, CI/CD, and SDLC governance frameworks ...

that engages flexibly across several data and engineering teams.Key ResponsibilitiesOwn the platform's technical architecture, including compute and storage design, ingestion frameworks, access control, performance tuning and capacity planningDefine and maintain architectural standards and guardrails covering naming conventions, environment management, deployment pipelines, partitioning strategies and cost optimisationOwn platform … cloud data infrastructureDeep expertise in Databricks (Unity Catalog, Delta Lake, Spark, Databricks SQL) or an equivalent Lakehouse platform, including administration, cost management and performance optimisationStrong understanding of cloud native architecture principles, cost models and CI/CD pipelinesProven experience implementing data security including encryption, RBAC, column and row level ...

continuous improvement. You coach and mentor consultants, helping develop capability while fostering a collaborative, high-performing engineering culture.You take ownership of application quality, performance and operational resilience; overseeing deployments, Appian Health Checks, application optimisation and production support activities.Beyond project delivery, you contribute to the growth of Valtech's Appian … integration standards for delivery teams to follow.Experience planning for scalability across data growth, user load and application extension over time, including proactive monitoring, application performance tuning, and CI/CD pipeline management across environments.Skilled at establishing effective ways of working across blended teams (e.g. client staff, third-party ...

continuous improvement. You coach and mentor consultants, helping develop capability while fostering a collaborative, high‐performing engineering culture. You take ownership of application quality, performance and operational resilience; overseeing deployments, Appian Health Checks, application optimisation and production support activities. Beyond project delivery, you contribute to the growth of Valtech … standards for delivery teams to follow. Experience planning for scalability across data growth, user load and application extension over time, including proactive monitoring, application performance tuning, and CI/CD pipeline management across environments. Skilled at establishing effective ways of working across blended teams (e.g., client staff, third ...

code reviews, and contribute to quality gates for each release.Support service troubleshooting and production readiness activities such as logging, monitoring, defect triage, and minor performance tuning with guidance from senior team members.Maintain clear technical documentation for APIs and integrations (e.g., endpoints, payloads, dependencies, and operational notes).Core/… documentation for API consumers.About State StreetAcross 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.We are committed ...

including specialized coding agents , custom agents, and comprehensive Skills libraries , while ensuring all solutions adhere to rigorous engineering standards. Key Responsibilities: AI Agent Engineering & Tuning: Architect and maintain advanced AI agents for coding and automation within GitHub workflows . This includes the active building, performance tuning ...

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 ...

virtualisation technologies (Linux under VMWare) Experience of working within the ITIL framework Experience of managing systems with RHN satellite Desirable Experience with JBoss Linux performance tuning skills Experience with Linux failover clustering Experience of Kerberos in regards to securing Linux applications and AD integration. Experience of Cisco ...

solutions to senior stakeholders Essential 6+ years' Java development experience at a Financial Services company Java 11+, Spring/Spring Boot, multi-threading, profiling, performance tuning, RMI Capital Markets knowledge or similar Experience in high-quality software practices: TDD, Agile, automated builds/deployments Strong knowledge ...

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 within the workstream In order to secure ...

Datasphere, SAC, and S/4HANA Cloud integrations. • Strong security fundamentals (OAuth2, SAML, JWT, SCIM) and compliance awareness. • Hands-on with observability (Cloud ALM), performance tuning, and reliability engineering. • Experience with agile delivery, CI/CD (Git-based pipelines), and test automation for integrations. • Preferred Qualifications ...

within their sector and a growing commitment to data-driven decision making. Data sits at the heart of their strategy, supporting product development, commercial performance, and operational effectiveness. With a collaborative data team and investment in modern analytics platforms, they are building a scalable, governed, and future-focused data … frameworks, and reporting standards Acting as the escalation point for complex BI and reporting challenges Partnering with data engineering teams on architecture, modelling, and performance optimisation Contributing to a major cloud migration programme and helping modernise the wider analytics ecosystem Your Skills & Experience Strong commercial experience with Tableau, including ...

monitoring, and operational readiness.Use infrastructure as code and configuration management tools such as Terraform, Chef, or Ansible to drive consistency and repeatability.Troubleshoot complex deployment, performance, networking, and infrastructure issues, with an emphasis on preventing recurring manual fixes through automation.Use AI-assisted engineering tools to accelerate development, automation, troubleshooting, documentation … ability to drive issues to resolution with technical and non-technical stakeholders. Systems & Automation Linux/Unix administration, operational support, troubleshooting, and performance tuning. Scripting/programming in Python, Bash, or similar. CI/CD pipeline experience with Jenkins, GitLab, or similar. Containerization and artifact publishing. Infrastructure as code ...

operational readiness.* Use infrastructure as code and configuration management tools such as Terraform, Chef, or Ansible to drive consistency and repeatability.* Troubleshoot complex deployment, performance, networking, and infrastructure issues, with an emphasis on preventing recurring manual fixes through automation.* Use AI-assisted engineering tools to accelerate development, automation, troubleshooting … ability to drive issues to resolution with technical and non-technical stakeholders.* **Systems & Automation** + Linux/Unix administration, operational support, troubleshooting, and performance tuning. + Scripting/programming in Python, Bash, or similar. + CI/CD pipeline experience with Jenkins, GitLab, or similar. + Containerization and artifact ...

Principal Virtualisation Engineer – Quant tradingLondon or New YorkTotal comp 300k+Quant Capital is partnering with a high-performance trading firm looking for a senior infrastructure engineer to take ownership of a core virtualisation and storage estate. This is a senior hands-on role for someone who can keep a live … driving change without disrupting critical systems.The role• Take ownership of the firm’s virtualisation and storage platforms in production• Maintain high standards across uptime, performance, capacity and operational stability• Assess new technologies and help shape long-term platform strategy• Run technical evaluations and proof-of-concept work across infrastructure ...

project delivery responsibility. The successful candidate will manage a team of SQL and database professionals, ensuring the delivery of high-quality data solutions, database performance, reliability, and project outcomes that support business objectives. Key Responsibilities Lead, mentor, and develop the SQL/Database team. Manage workload allocation, priorities … performance. Act as the technical escalation point for database-related issues. Design, develop, and optimise SQL queries, stored procedures, and database solutions. Ensure database performance, integrity, security, and availability. Drive best practice in database development, administration, and governance. Partner with business stakeholders to gather requirements and deliver solutions. Manage ...

balancing flexibility and simplicity in system/component designDemonstrate clean communication across technical and non-technical stakeholdersMake pragmatic decisions on when to optimize for performance vs. velocity based on business impactThrive in cross-functional environments spanning Product, Design, Compliance, and SalesDesign for scale, maintainability, and production excellencePreferred qualifications: Fintech … payments, or regulated industry experienceHigh-scale performance tuning (100k+ QPS, large user bases, strict latency SLAs)Multi-tenant SaaS or platform architecture backgroundProficiency with PostgreSQL, Redis, Kafka, or cloud platforms (AWS/GCP/Azure)Experience with OAuth2.0, API design, or developer documentationCross-region deployment or data residency ...