26 to 50 of 119 Performance Tuning Jobs in London

Solace Messaging Administrator London 3x a week Full-Time Permanent Salary on application You will be responsible for managing and supporting our enterprise messaging infrastructure, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, network optimization, and system observability using industry-standard monitoring tools. Required Skills & Qualifications … latency, and failover strategies. Solid experience with system monitoring and alerting tools (e.g., Prometheus, Grafana). Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience with capacity management, performance tuning, and system scaling. Familiarity with Linux/Unix systems and scripting (Bash, Python, etc.). Strong analytical and problem-solving skills, with attention to detail. Excellent communication More ❯

Solace Messaging Administrator London 3x a week Full-Time Permanent Salary on application You will be responsible for managing and supporting our enterprise messaging infrastructure, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, network optimization, and system observability using industry-standard monitoring tools. Required Skills & Qualifications … latency, and failover strategies. Solid experience with system monitoring and alerting tools (e.g., Prometheus, Grafana). Proficiency in troubleshooting message delivery, persistence, and topic routing. Experience with capacity management, performance tuning, and system scaling. Familiarity with Linux/Unix systems and scripting (Bash, Python, etc.). Strong analytical and problem-solving skills, with attention to detail. Excellent communication More ❯

to define and execute on project goals. Ensure seamless communication across teams to ensure the back end vision aligns with product strategy and technical feasibility. Champion accessibility, usability, and performance as core principles in every design and implementation. Project Delivery & Quality Assurance: Manage timelines, set priorities, and allocate resources effectively to ensure timely delivery of high-quality features. Oversee … that automated tests, UI/UX tests, and code reviews maintain the integrity of the codebase. Advocate for coding best practices and high standards of quality in all deliverables. Performance & Optimisation: Continuously monitor and optimise both front-end and back-end code for speed, scalability, and performance. Focus on improving user experience through performance tuning and engineering More ❯

in migrating legacy systems, especially from Oracle to PostgreSQL or similar. Strong understanding of PL/SQL and experience translating stored procedures into application logic. Familiarity with PostgreSQL, including performance tuning and SQL dialect differences. Experience working in hybrid environments where legacy and modern systems coexist. Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist More ❯

Talend/Jenkins to dbt Cloud and Snowflake Spearhead the migration of legacy data pipelines from Jenkins/Talend to dbt/Snowflake, ensuring data integrity, reliability, and optimal performance Collaborate with data engineers, analysts, and business teams to translate existing business logic and workflows into modular dbt models Identify, document, and refactor legacy processes for performance, maintainability … and scalability Implement CI/CD best practices for data transformation using dbt Cloud and Git-based workflows Monitor, troubleshoot, and optimize pipeline performance and ensure data integrity across data platform Contribute to defining and improving data engineering standards, documentation, and best practices Provide technical mentorship and help guide junior engineers during the platform migration What type of person … in data engineering roles, including leading or participating in data platform migrations Strong hands-on experience with: dbt Cloud (modular development, CI/CD integration, testing, and documentation) Snowflake (performance tuning, SQL, role-based access, cost optimisation) SQL (analytical, transformation, and optimisation) Working knowledge of legacy tools like Talend and Jenkins, and an understanding of their migration challenges More ❯

processing, and publication. * Data Governance & Security: Familiarity with managing data governance and security using Databricks Unity Catalog, ensuring data is appropriately organized, secured, and accessible to authorized users. * Optimization & Performance Tuning: Proven experience in optimizing data pipelines for performance, cost-efficiency, and scalability, including partitioning, caching, and tuning Spark jobs. * Cloud Architecture & Automation: Strong understanding of More ❯

processing, and publication. * Data Governance & Security: Familiarity with managing data governance and security using Databricks Unity Catalog, ensuring data is appropriately organized, secured, and accessible to authorized users. * Optimization & Performance Tuning: Proven experience in optimizing data pipelines for performance, cost-efficiency, and scalability, including partitioning, caching, and tuning Spark jobs. * Cloud Architecture & Automation: Strong understanding of More ❯

mindset is highly desirable Desirable Attributes Experience with event-driven architectures and messaging systems (e.g., Kafka) Exposure to Infrastructure as Code (e.g., Terraform, Ansible) Familiarity with observability tools and performance tuning Ability to mentor junior engineers and lead backend design initiatives Engagement Model Outside IR35 12-month initial contract with potential for extension or permanent employment Hybrid working More ❯

collaborate across multidisciplinary teams Desirable Attributes Exposure to event-driven architectures and messaging systems (e.g., Kafka) Experience with Infrastructure as Code (e.g., Terraform, Ansible) Familiarity with observability tools and performance tuning Ability to mentor junior engineers and contribute to backend design leadership Prior consulting experience or experience in client-facing roles Engagement Model Outside IR35 12-month initial More ❯

Engineering, Mathematics, or a related field. 1-3 years of experience in a data engineering, data analytics, or software engineering role. Proficient in SQL for querying, data manipulation, and performance tuning. Hands-on experience with Azure Data Services (such as Azure Data Factory, Azure Synapse, Data Lake, or Logic Apps). Strong problem-solving skills and attention to detail. More ❯

values comprise of Stewardship, Best 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. Overview: We are looking for an experienced Guidewire Cloud Technical Architect with deep experience in designing and delivering cloud infrastructure solutions for the … infrastructure for insurance platforms and workloads Lead infrastructure strategy for cloud migrations of insurance core systems, including on-prem to cloud transitions. Optimize cloud infrastructure using native services for performance, cost-efficiency, and high availability. Define best practices for cloud operations, monitoring, disaster recovery, and compliance. Insurance Application Cloud Enablement: Provide cloud infrastructure implementation support for core insurance platforms … with regulatory and security frameworks specific to insurance carriers. Partner with application architects, developers, DevOps, and IT operations to ensure seamless deployment and integration. Guide infrastructure sizing, load balancing, performance tuning, and environment scalability. Provide hands-on support for network design, identity management, container orchestration (e.g., Kubernetes), and cloud-native tooling. Conduct cloud readiness assessments and gap analysis More ❯

seeking a highly skilled and proactive Application Support Analyst to lead support and continuous improvement of enterprise applications across our organization. This role is critical in ensuring system stability, performance, and usability that support business operations. It is a hands-on role, acting as a technical expert and escalation point, bridging gaps between IT, users, and vendors while driving … issues. Serve as the escalation point for complex incidents and application issues, driving resolution end-to-end. Collaborate with development teams, infrastructure, and vendors to diagnose and resolve bugs, performance issues, and outages. Lead application upgrades, patch management, UAT, and post-deployment support. Ensure data integrity, system reliability, and compliance with internal IT governance and policies. Develop and maintain … troubleshooting skills. Familiarity with PAM tools like BeyondTrust is a plus. Scripting or automation skills (PowerShell, Python). Experience with cloud platforms (AWS, Azure) and SaaS environments. Monitoring and performance tuning experience. Experience with application rollouts, upgrades, patching, and post-deployment support. Knowledge of ITIL principles is a plus. Our Culture We are an energetic, fast-paced brand More ❯

Spring Boot, and MuleSoft or equivalent integration tools. Develop and manage microservices and APIs, handling high data volume using Kafka. Work with containerized environments like OpenShift or Kubernetes. Tune performance, monitor systems using Splunk, Dynatrace, or AppDynamics. Automate deployments and drive CI/CD processes. Collaborate with cross-functional teams, mentor developers, and solve complex technical challenges. Required Key … ESB, and Web Services. Strong SQL and PL/SQL (Oracle) knowledge. Hands-on experience with OpenShift/Kubernetes, WebLogic, JBoss, or Tomcat. Proven experience in monitoring, logging, and performance tuning tools. Solid understanding of TDD, unit testing frameworks like JUnit, and scripting with Cucumber/Litmus. Excellent communication and analytical skills. About Us: Ascendion is a global More ❯

and technology. A typical day in this role involves collaborating with technology leaders, contributing to the enhancement of day-to-day operations, and ensuring improvements in availability, reliability, latency, performance, and efficiency of the ESC. You will be required to occasionally participate in "on-call" rotations to resolve incidents occurring out-of-hours. The overarching goal is to deliver … cloud providers. A typical day in this role involves collaborating with technology leaders, contributing to the enhancement of day-to-day operations, and ensuring improvements in availability, reliability, latency, performance, and efficiency of the ESC. You will be required to occasionally participate in "on-call" rotations to resolve incidents occurring out-of-hours. Eligibility requirement Fluency in written and … including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness. Mentorship & Career Growth We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you More ❯

Linux OS and Cloud administration. Important experience: Strong understanding of MongoDB architecture, including sharding, replication and indexing. Proficiency with Linux systems and shell scripting. Familiarity with monitoring tools and performance tuning techniques. Experience with disaster recovery plans is a plus Proven experience working with cloud platforms, VM management in the cloud (preferable AWS) Hands on experience in use More ❯

Hands-on experience with Big Data tools (e.g. Hadoop, Spark, Kafka, Hive) Familiarity with cloud data platforms (e.g. AWS, Azure, GCP) Strong understanding of data architecture, pipelines, warehousing, and performance tuning Excellent communication and stakeholder engagement skills Desirables: Experience in the public sector or working with government data Knowledge of data privacy regulations (e.g. GDPR) Familiarity with DevOps More ❯

multidisciplinary teams Desirable Attributes Exposure to microservices architecture and event-driven systems (e.g., Kafka) Experience with design systems and component libraries (e.g., Material, Storybook) Familiarity with observability tools and performance tuning Prior consulting experience or experience in client-facing roles Engagement Model Outside IR35 12-month initial contract with potential for extension or permanent employment Hybrid working model More ❯

PostgreSQL or similar. Strong working knowledge of Oracle PL/SQL and the ability to translate procedural logic into C#. Solid experience with PostgreSQL, including handling dialect differences and performance tuning. Comfortable working in hybrid environments where legacy and modern platforms coexist. Familiarity with AI-enabled tools that accelerate development and migration tasks. Strong grasp of software architecture principles More ❯

Python skills and hands-on experience with SQL and Snowflake. Experience with modern orchestration tools like Airflow and data streaming platforms like Kafka. Understanding of data modeling, governance, and performance tuning in warehouse environments. Ability to work independently and prioritize across multiple stakeholders and systems. Comfort operating in a cloud-native environment (e.g., AWS, Terraform, Docker). The … our COO, this pivotal role will drive the overall content strategy, team expansion, and continuous optimisation of our platform." "Content StrategistAbout Traffic LabelAt Traffic Label, we specialise in delivering performance-driven marketing solutions. We're a collaborative team working across email, performance media, and data to help brands grow smarter. As we expand, we're looking for a More ❯

are seeking a Senior MuleSoft Developer to lead API design, development, and integration using the MuleSoft Anypoint Platform. The ideal candidate will be responsible for architecting scalable and high-performance integration solutions, mentoring junior developers, and ensuring best practices across the integration lifecycle. Key Responsibilities: Design, build, and maintain integrations using MuleSoft Anypoint Platform (Mule 4) Develop APIs (RAML … based), orchestrations, and reusable connectors Collaborate with architects and business stakeholders to understand integration needs Implement and enforce MuleSoft best practices , performance tuning, and logging strategies Conduct code reviews and guide junior developers Ensure security and governance policies are embedded in the APIs Monitor, troubleshoot, and optimize deployed solutions Work with external/internal systems such as SAP More ❯

Agile project experience with CI/CD exposure Excellent communication and problem-solving skills Ability to thrive in high-pressure environments Bonus Points: Deep understanding of Murex DB schemas & performance tuning Business process modelling and continuous improvement experience If you're passionate about delivering high-performance financial solutions and want to work with leading global trading desks More ❯

efficient and convenient. Are you adaptable, flexible and pragmatic with a DevOps mindset? Are you able to apply good engineering processes to deliver software products of high quality and performance, even with occasionally ambiguous requirements? The ideal candidate will be a lifelong learner who enjoys solving technical problems, is curious about new technologies, and loves sharing knowledge and experience … and emerging technologies to assist in the future roadmap of our products. As a team, we are responsible for the health of the systems we build. You should understand performance tuning and optimisation, and how to diagnose technical issues across local, pre-release and production environments running on AWS. We operate a DevOps culture and are responsible for … languages in particular Golang Proving technical leadership and direction to your team and contributing to the wider engineering organisation. Deep technical understanding of MySQL and relational databases, particularly database performance tuning. Knowledge of best practises around Modern Software Engineering, CI/CD, DORA metrics. Experience of troubleshooting and fixing performance issues in a full-stack application; from browser More ❯

and technology. A typical day in this role involves collaborating with technology leaders, contributing to the enhancement of day-to-day operations, and ensuring improvements in availability, reliability, latency, performance, and efficiency of the ESC. You will be required to occasionally participate in "on-call" rotations to resolve incidents occurring out-of-hours. The overarching goal is to deliver … cloud providers. A typical day in this role involves collaborating with technology leaders, contributing to the enhancement of day-to-day operations, and ensuring improvements in availability, reliability, latency, performance, and efficiency of the ESC. You will be required to occasionally participate in "on-call" rotations to resolve incidents occurring out-of-hours. Eligibility requirement Fluency in written and … our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences, inspire us to never stop embracing our uniqueness. Mentorship and Career Growth We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you More ❯

clearing systems. The role is responsible for Database management of the Clearing applications utilising Oracle, PostGres and/or MS-SQL DB technologies including performing administration, configuration, installation, maintenance, tuning, and support of the database environments. This position will be within a team of existing DBAs that cover Oracle, Postgres and SQLServer Your working environment At ABN AMRO we … upgrade experience Experience with installing/configuring/maintaining a global monitoring solution is valued Postgres Partitioning, Foreign data Wrappers knowledge and experience would be an advantage Strong Postgresql performance tuning and troubleshooting experience. Strong backup and recovery techniques using logical, physical backups. (pgbackrest/commvault pref) Valued Linux/Network skills Understanding of cluster file systems and More ❯

clearing systems. The role is responsible for Database management of the Clearing applications utilising Oracle, PostGres and/or MS-SQL DB technologies including performing administration, configuration, installation, maintenance, tuning, and support of the database environments. This position will be within a team of existing DBAs that cover Oracle, Postgres and SQLServer Your working environment At ABN AMRO we … upgrade experience Experience with installing/configuring/maintaining a global monitoring solution is valued Postgres Partitioning, Foreign data Wrappers knowledge and experience would be an advantage Strong Postgresql performance tuning and troubleshooting experience. Strong backup and recovery techniques using logical, physical backups. (pgbackrest/commvault pref) Valued Linux/Network skills Understanding of cluster file systems and More ❯