101 to 125 of 390 Performance Tuning Jobs in England

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 ❯

Type: Permanent About the Role: Our employer-partner is seeking a Senior Software Engineer with deep experience in Rust and/or C++ to design and build high-performance, distributed, and mission-critical systems. You will play a key role in shaping next-generation telecom and real-time communication platforms used in high-availability environments. Key Responsibilities: Architect scalable … systems-level components using Rust, C++, C, or Java . Design and implement APIs and real-time communication protocols (SIP, VoIP, 5G, RTC). Improve platform reliability, stability, and performance (99.99%+ uptime environments). Lead performance tuning, fault-tolerance engineering, and high-availability architecture reviews. Implement CI/CD workflows, containerisation, and systems monitoring (Docker, Kubernetes … SIP, real-time protocols, or distributed systems. Experience with Linux/Unix , Docker , Kubernetes , and CI/CD pipelines. Proven ability to design scalable back-end services and high-performance applications. Exposure to 5G, edge computing, or real-time data transmission is a strong plus. Why Apply? Work on mission-critical, high-availability systems at scale. Join a forward More ❯

Develop and optimise ETL/ELT workflows using Azure Data Factory, applying robust transformation logic, validation, and lineage tracking to support analytics and reporting. Modernise and manage databases , ensuring performance optimisation, governance standards, and scalable architecture across regions and environments. Oversee cloud operations and resilience , including usage optimisation, disaster recovery, and data archiving in line with governance and retention … collaboration , leading data mapping, model design, and cross-functional workshops to support platform migration and ongoing delivery. Experience: 6–10 years experience with SQL Server (including T-SQL and performance tuning). Proven background in ETL/ELT design (ideally using Azure Data Factory). Hands on experience with cloud-based data ingestion and transformation (preferably Azure). More ❯

Develop and optimise ETL/ELT workflows using Azure Data Factory, applying robust transformation logic, validation, and lineage tracking to support analytics and reporting. Modernise and manage databases , ensuring performance optimisation, governance standards, and scalable architecture across regions and environments. Oversee cloud operations and resilience , including usage optimisation, disaster recovery, and data archiving in line with governance and retention … collaboration , leading data mapping, model design, and cross-functional workshops to support platform migration and ongoing delivery. Experience: 6–10 years experience with SQL Server (including T-SQL and performance tuning). Proven background in ETL/ELT design (ideally using Azure Data Factory). Hands on experience with cloud-based data ingestion and transformation (preferably Azure). More ❯

ve transitioned from development into a hands-on support and automation role. The group oversees the market data systems that power real-time decision-making across asset classes — ensuring performance, stability, and reliability in one of the most demanding trading environments in the world. This is not a traditional support role. You’ll be deep in the code, scripting … developers to trace issues into the codebase and identify sustainable long-term solutions. Manage data flows, troubleshoot production pipelines, and maintain service availability across regions. Contribute to system enhancements, performance tuning, and process optimization for a wide range of asset classes. Ideal Profile Hands-on experience in market data production support (L1–L3) within a trading or financial More ❯

ve transitioned from development into a hands-on support and automation role. The group oversees the market data systems that power real-time decision-making across asset classes — ensuring performance, stability, and reliability in one of the most demanding trading environments in the world. This is not a traditional support role. You’ll be deep in the code, scripting … developers to trace issues into the codebase and identify sustainable long-term solutions. Manage data flows, troubleshoot production pipelines, and maintain service availability across regions. Contribute to system enhancements, performance tuning, and process optimization for a wide range of asset classes. Ideal Profile Hands-on experience in market data production support (L1–L3) within a trading or financial More ❯

and maintain streaming solutions for Real Time data processing. Ensure compliance with banking security and regulatory standards. Collaborate with cross-functional teams to integrate Kafka into enterprise systems. Provide performance tuning, troubleshooting, and best practices guidance. Required Skills/Experience The ideal candidate will have the following: Strong expertise in Apache Kafka and Confluent ecosystem (Connect, Schema Registry More ❯

on experience with ASP.NET Core and Entity Framework Core. Solid understanding of RESTful APIs, dependency injection, and modern software design principles. Proficiency in SQL Server (T-SQL, stored procedures, performance tuning). Good knowledge of JavaScript, HTML5, and CSS3. Experience with version control systems (Git) and CI/CD pipelines. Strong problem-solving, analytical, and communication skills. Comfortable More ❯

ecosystem and the ability to translate business needs into smart, scalable solutions. • Proven experience with Microsoft 365 and Power Platform (PowerApps, PowerAutomate, Dataverse) • Strong SQL skills, including data modeling, performance tuning, and ETL processes • Hands-on experience with SharePoint, Teams, and Exchange integration • Experience with Azure DevOps, API integration, and application lifecycle management • Excellent communication skills with the More ❯

ecosystem and the ability to translate business needs into smart, scalable solutions. • Proven experience with Microsoft 365 and Power Platform (PowerApps, PowerAutomate, Dataverse) • Strong SQL skills, including data modeling, performance tuning, and ETL processes • Hands-on experience with SharePoint, Teams, and Exchange integration • Experience with Azure DevOps, API integration, and application lifecycle management • Excellent communication skills with the More ❯

DBT Cloud expertise, including models, macros, tests, documentation, and CI/CD integration. Hands-on experience developing and optimising in Snowflake Cloud Data Warehouse (schemas, warehouses, security, time travel, performance tuning). Familiarity with Snowflake cost monitoring, governance, replication , and environment management. Strong understanding of data modelling (star/snowflake schemas, SCDs, lineage). Proven Azure experience (Data More ❯

at Working level: Advanced SQL proficiency : expertise in writing complex, highly-performant SQL queries, including common table expressions (CTEs), window functions, and complex joins. Experience with query optimization and performance tuning on relational databases like PostgreSQL, MySQL, or similar Cloud data ecosystem (AWS) : hands-on experience with core AWS data services. Key services include: S3 for data lake More ❯

at Working level: Advanced SQL proficiency : expertise in writing complex, highly-performant SQL queries, including common table expressions (CTEs), window functions, and complex joins. Experience with query optimization and performance tuning on relational databases like PostgreSQL, MySQL, or similar Cloud data ecosystem (AWS) : hands-on experience with core AWS data services. Key services include: S3 for data lake More ❯

. Full-stack skills in Core Java and REST APIs. Practical knowledge of multi-threading, event-driven programming, and memory optimization. Strong problem-solving and analytical abilities. Knowledge of performance tuning techniques. Familiarity with enterprise SDLC tools like JIRA and Confluence. Experience with CI/CD tools such as Git, Maven/Gradle, Jenkins/Bamboo, GitLab. Shell More ❯

stored procedures, and SQL Server Reporting Services (SSRS). ?? Experience with ERP systems, preferably in manufacturing or aerospace industries would be desirable. ?? Solid understanding of database design, optimisation, and performance tuning. ? Excellent problem-solving skills and attention to detail, strong communication and teamwork abilities. Preferred Qualifications ?? Experience with CNC milling or aerospace manufacturing processes. ?? Familiarity With Integrating ERP systems More ❯

artifacts: solution diagrams, sequence flows, data maps, interface contracts, and non-functional requirements (NFRs). Provide technical leadership during build: review designs, perform architecture spikes, and support troubleshooting and performance tuning. Define CI/CD pipelines for MarTech configurations and integration code; automate testing and deployments where possible. Mentor engineering teams, drive architectural governance, and ensure adherence to best More ❯

artifacts: solution diagrams, sequence flows, data maps, interface contracts, and non-functional requirements (NFRs). Provide technical leadership during build: review designs, perform architecture spikes, and support troubleshooting and performance tuning. Define CI/CD pipelines for MarTech configurations and integration code; automate testing and deployments where possible. Mentor engineering teams, drive architectural governance, and ensure adherence to best More ❯

business systems, built in PHP (Laravel) with a PostgreSQL backend, alongside managing several WordPress -based websites. Working closely with stakeholders from across the organisation, you’ll ensure the reliability, performance and evolution of the systems that drive daily operations. You’ll also help guide the future technical roadmap, support junior developers as the team grows, and take ownership of … best practice, system architecture and deployment workflows. Key Responsibilities: Lead development and enhancements on internal business systems built with Laravel, PostgreSQL and Azure blobstore. Provide ongoing maintenance, debugging and performance tuning of applications and web environments. Deliver technical support to internal users, including managing high-pressure or time-critical issues. Maintain and evolve WordPress websites (plugins, themes, security … hardening). Administer and troubleshoot Linux-based hosting environments. Build, deploy and manage containerised applications using Docker. Configure and maintain Nginx for optimal performance and security. Support firewall configuration and troubleshooting across APIs, services and repositories. Manage Git-based version control and enforce workflow best practices (branching, PRs, code reviews, release tagging). Document architecture, workflows and development processes. More ❯

daily by traders and middle office teams. These systems handle complex financial instruments, from bonds and repos to interest rate swaps and exotic portfolios, with a strong focus on performance, reliability, and traceability. Key Responsibilities: Design, develop, test, and deploy high-quality software using Java and related technologies Conduct code reviews, ensuring clean, maintainable, and efficient code Mentor junior … developers and promote technical excellence within the team Analyse and resolve performance, scalability, and concurrency issues Contribute to Agile/Scrum processes, including sprint planning and retrospectives Maintain clear and comprehensive technical documentation Key Requirements: Strong expertise in Core Java, including multi-threading and concurrency demonstrating self-sufficiency Proven experience in low-latency systems, performance tuning, and … network programming Familiarity with high-performance messaging systems Proficiency with profiling, benchmarking, and memory analysis tools Working knowledge of Linux/Bash scripting and at least one other language (e.g. Python or C#) Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates More ❯

generate insights through analytical reports, enhancing integrations and documentation. Regularly audit and upgrade software packages, libraries, and dependencies used in GitHub repositories. Maintain and optimize infrastructure components to ensure performance, reliability, and security. Design and manage Terraform and Ansible scripts for infrastructure automation and configuration management. Develop and maintain Azure DevOps CI/CD pipelines for efficient software delivery. … and Fargate, ensuring scalable and secure microservice environments. Use Docker for containerizing applications and improving deployment consistency. Manage and secure Apigee or similar API Management platforms, ensuring API governance, performance optimization, and compliance. Ensure security and compliance best practices across the platform, including secure coding, dependency management, and vulnerability scanning. Implement and enforce API security and access controls using …/ECR/Fargate. Strong understanding of CI/CD tools such as Azure DevOps, GitHub Actions, and Jenkins. Proficiency with Docker for containerization. Experience in monitoring tools and performance tuning for large-scale distributed systems. Solid knowledge of Apigee or similar API Management platforms. Ability to design and implement API strategies, policies, and analytics. Experience developing and More ❯

generate insights through analytical reports, enhancing integrations and documentation. Regularly audit and upgrade software packages, libraries, and dependencies used in GitHub repositories. Maintain and optimize infrastructure components to ensure performance, reliability, and security. Design and manage Terraform and Ansible scripts for infrastructure automation and configuration management. Develop and maintain Azure DevOps CI/CD pipelines for efficient software delivery. … and Fargate, ensuring scalable and secure microservice environments. Use Docker for containerizing applications and improving deployment consistency. Manage and secure Apigee or similar API Management platforms, ensuring API governance, performance optimization, and compliance. Ensure security and compliance best practices across the platform, including secure coding, dependency management, and vulnerability scanning. Implement and enforce API security and access controls using …/ECR/Fargate. Strong understanding of CI/CD tools such as Azure DevOps, GitHub Actions, and Jenkins. Proficiency with Docker for containerization. Experience in monitoring tools and performance tuning for large-scale distributed systems. Solid knowledge of Apigee or similar API Management platforms. Ability to design and implement API strategies, policies, and analytics. Experience developing and More ❯

ll be responsible for: Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis Proactively maintaining and optimising applications, performing upgrades and configuration changes Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users Collaborating closely with engineering and business teams to drive operational excellence Enhancing processes, documentation, and tooling to support … looking for: Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment Strong knowledge of SRE principles, incident management, monitoring, and performance tuning Hands-on technical skills across a broad range of technologies, including: Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server Web: React, RESTful APIs, Docker More ❯

ll be responsible for: Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis Proactively maintaining and optimising applications, performing upgrades and configuration changes Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users Collaborating closely with engineering and business teams to drive operational excellence Enhancing processes, documentation, and tooling to support … looking for: Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment Strong knowledge of SRE principles, incident management, monitoring, and performance tuning Hands-on technical skills across a broad range of technologies, including: Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server Web: React, RESTful APIs, Docker More ❯

SAP and Private Cloud environments. The ideal candidate will be responsible for the administration, migration, and optimization of SAP systems hosted on SAP Private Cloud (RISE), ensuring high availability, performance, and security. This role involves working closely with SAP, infrastructure teams, and business stakeholders to manage cloud-based SAP landscapes efficiently. Role and Responsibilities Manage and maintain SAP systems … PO, SRM, Solution Manager, etc.) in a Hyperscaler (AWS, Azure, GCP) or Private Cloud (RISE) environment. Perform SAP system installation, upgrades, and migrations in cloud environments. Handle system monitoring, performance tuning, and troubleshooting of SAP landscapes. Apply SAP support packages, kernel upgrades, and OSS notes. Manage system copies, refreshes, and backup/recovery procedures. Implement SAP Best Practices More ❯

and modern CI/CD tools (Azure DevOps, GitHub Actions, Harness, Jenkins, Spinnaker). Security & Reliability: Embed secure-by-design principles from architecture to runtime, safeguarding colleagues and customers. Performance & Automation: Define and operate against SLOs/SLIs, implement actionable observability, performance tuning, and automation to reduce toil. API-First Enablement: Enable API-first delivery with reusable … paths for API producers and consumers. Community & Mentorship: Mentor engineers, contribute to communities of practice, and uphold Platform Engineering standards. Qualifications Proven experience delivering large-scale systems with high performance, availability, and fault-tolerance. Expertise in Infrastructure-as-Code (Terraform) and CI/CD systems. Deep knowledge of containers, orchestration (Kubernetes), and service-mesh patterns (Istio). Strong API More ❯