1 to 25 of 138 Remote Performance Tuning Jobs in England

Hardware Engineer you will collaborate with the research and trading teams, focussing on Linux based systems, including workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. … You'll have exposure across cutting-edge high-performance trading and research infrastructure, development and maintenance across operating system platforms, software development tooling, high-performance computing, high performance networking and large-scale storage systems; staying on top of industry trends and making strategic recommendations. Location/WFH: You'll join colleagues based in high spec offices with … flexibility to work from home 1-2 days a week. About you: You have advanced Linux systems administration and platform engineering experience You have an indepth knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage performance You have experience of troubleshooting and resolving high-complexity system More ❯

Hardware Engineer you will collaborate with the research and trading teams, focussing on Linux based systems, including workload scheduling design and implementation, management of systems at large scale, high performance file system design and operation, software design and life cycle (SDLC), kernel and network performance tuning for low-latency and high-throughput applications instrumentation and telemetry collection. … You'll have exposure across cutting-edge high-performance trading and research infrastructure, development and maintenance across operating system platforms, software development tooling, high-performance computing, high performance networking and large-scale storage systems; staying on top of industry trends and making strategic recommendations. Location/WFH: You'll join colleagues based in high spec offices with … flexibility to work from home 1-2 days a week. About you: You have advanced Linux systems administration and platform engineering experience You have an indepth knowledge of high-performance analysis, tuning and optimisation across Linux kernel tuning, hardware optimisation, network performance and storage performance You have experience of troubleshooting and resolving high-complexity system More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You'll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years' experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools More ❯

industry. They pride themselves on innovation, scalability, and the ability to perform under pressure during high-profile live events. As part of their continued investment in reliability and platform performance, they are now seeking an experienced Site Reliability Engineer to strengthen their engineering function and help evolve their observability and automation capabilities. THE BENEFITS Hybrid working model (office and … within a collaborative culture Exposure to modern cloud-native and containerised environments THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, scalability and performance of complex online platforms supporting high-volume transactions. Working closely with operations and product teams, you'll monitor production systems, develop automation to improve uptime, and refine observability to … provide real-time insight into platform health. You'll also play a key role in performance testing, system tuning and incident management to ensure smooth operation during critical events. SITE RELIABILITY ENGINEER ESSENTIAL SKILLS At least 2 years' experience working as an SRE Deep understanding of system reliability, scalability and performance tuning Experience with observability tools More ❯

onsite) No sponsorship available The Opportunity We're looking for an experienced Database Reliability Engineer/Site Reliability Engineer to join a high-performing engineering function focused on database performance, automation, and scalability. You'll play a key role in improving the availability and reliability of mission-critical platforms, combining traditional database expertise with modern SRE practices - automation, observability … opportunity for someone with strong Microsoft SQL Server knowledge who enjoys using engineering techniques to enhance resilience, reduce manual intervention, and drive operational excellence. Key Responsibilities Ensure the availability, performance, and scalability of systems and services through proactive monitoring, maintenance, and capacity planning. Analyse and resolve complex database incidents and outages, implementing measures to prevent recurrence. Develop automation scripts … and tools to reduce manual processes, increase efficiency, and improve reliability. Optimise system performance, address bottlenecks, and apply performance tuning best practices. Collaborate with development and platform teams to embed SRE principles and improve service reliability. Stay current with emerging technologies, contributing to continuous improvement and technical excellence. Skills and Experience Essential: Proven technical expertise with Microsoft More ❯

efficient data solutions. Data Quality Assurance: Implement checks and monitoring processes to ensure accuracy and reliability. Documentation: Maintain detailed technical documentation for data architectures, pipeline designs, and operational procedures. Performance Tuning: Analyse and optimize workflows for performance and cost efficiency. Innovation: Stay current with emerging technologies and best practices to continuously improve our data engineering capabilities. What … with SSAS cubes, Azure-based data pipelines, and containerization technologies. Must have a full UK Driving Licence and access to your own vehicle. Desirable: Familiarity with DAX Studio for performance tuning and query diagnostics. Strong proficiency in DAX (Data Analysis Expressions) for creating complex measures, calculated columns, and tables Background in retail, hospitality, or gaming/gambling sectors. More ❯

modern Azure estate, drive cloud-native transformation, and shape the future of infrastructure for a high-impact engineering team. Join a tech-forward company where your decisions directly influence performance, reliability, and innovation across platforms used by millions. You'll be at the heart of a mission to modernise legacy systems, accelerate delivery, and empower developers with world-class … What You'll Be Doing As a Senior Infrastructure Engineer , you'll: Architect and manage Azure infrastructure using Infrastructure as Code (ARM, Bicep, Terraform) Optimise .NET application stacks for performance, scalability, and resilience Implement observability and monitoring tools to ensure system health and uptime Lead CI/CD automation using Azure DevOps and Git workflows Drive cloud-native transformation … has led major cloud migrations or built platforms from scratch. What You'll Bring 5+ years of hands-on experience with Azure infrastructure Strong understanding of .NET architecture and performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (e.g. New Relic, AppDynamics) Deep knowledge of profiling, benchmarking, and optimisation Bonus Skills: Infrastructure as More ❯

a cloud-native transformation? This is your chance to design, build, and optimise the backbone of platforms used by millions. Join a tech-driven organisation where your expertise shapes performance, reliability, and innovation. You'll be the driving force behind modernising legacy systems, accelerating delivery, and empowering developers with world-class tooling. Your Mission As a Senior Infrastructure Engineer … has led major cloud migrations or built platforms from the ground up. What You'll Bring 5+ years of hands-on Azure infrastructure experience Strong knowledge of .NET architecture & performance tuning Proven expertise in Azure DevOps Build & Release Pipelines Experience with APM tools (New Relic, AppDynamics) Deep understanding of profiling, benchmarking, and optimisation Bonus Skills: IaC (ARM, Bicep … Terraform) Cloud networking (VNets, firewalls, load balancers) SQL Server performance tuning Legacy app modernisation in Azure Why You'll Love It Here Remote-First Culture - Work anywhere in the UK Flexible Hours - Fit work around your life Career Growth - Training budget & clear progression path Wellbeing Perks - Private Medical, mental health support, and more Premium Tech Setup - High-end More ❯

team members to drive key security objectives forward. You'll also be responsible for presenting findings and writing documentation tailored to both technical and business audiences. Query optimisation and Performance Tuning:Write efficient Elasticsearch queries to retrieve relevant security events. Monitor and manage the performance of the SIEM infrastructure to maintain optimal functionality. Security Engineering:Contribute to … security compliance, including access controls, authentication, and encryption using Elastic Security features.- Ability to create, test, and optimise detection rules based on the MITRE ATT&CK Framework.- Experience in performance tuning with Elasticsearch and Logstash, including monitoring Logstash pipelines.- Proficiency in using Kibana for data visualisation and monitoring. Advantageous:- Familiarity with offensive testing frameworks and cloud services (public More ❯

join a specialist team supporting large, business-critical SQL Server and Azure SQL platforms. This is a hands-on position where you'll play a key role in maintaining performance, stability, and resilience across the firm's core applications. The role Administer and optimise SQL Server databases () across on-prem and Azure. Deliver performance tuning, query optimisation … Server DBA background in live production environments Azure SQL expertise (Managed Instance, SQL Database or SQL on Azure VMs) Proven HA/DR delivery: AlwaysOn, clustering, failover processes Deep performance tuning (execution plans, indexing, Query Store, Extended Events, wait stats) Confident T-SQL skills for diagnostics and automation Experience working within structured change control Clear communication skills and More ❯

join a specialist team supporting large, business-critical SQL Server and Azure SQL platforms. This is a hands-on position where you’ll play a key role in maintaining performance, stability, and resilience across the firm’s core applications. The role Administer and optimise SQL Server databases (2014–2022) across on-prem and Azure. Deliver performance tuning … Server DBA background in live production environments Azure SQL expertise (Managed Instance, SQL Database or SQL on Azure VMs) Proven HA/DR delivery: AlwaysOn, clustering, failover processes Deep performance tuning (execution plans, indexing, Query Store, Extended Events, wait stats) Confident T-SQL skills for diagnostics and automation Experience working within structured change control Clear communication skills and More ❯

Senior Software Engineer London, UK £140,000 basic plus bonus We're looking for a Senior Software Engineer to take ownership of optimising large-scale, high-performance systems used by demanding clients worldwide. You'll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software runs with maximum speed, minimal memory usage … dive deep into complex systems, identify bottlenecks, and implement improvements that make a measurable difference for clients. What you'll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems Working with Product, Engineering, and Clients to understand and meet performance targets … Creating and maintaining automated performance and load testing frameworks Mentoring engineers on writing efficient, scalable, and maintainable code Contributing to architectural decisions that directly impact performance and reliability What we're looking for Senior level experience in software engineering with strong experience in Python, Java, or C# Proven track record of performance tuning in large-scale More ❯

Senior Software Engineer London, UK £140,000 basic plus bonus We're looking for a Senior Software Engineer to take ownership of optimising large-scale, high-performance systems used by demanding clients worldwide. You'll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software runs with maximum speed, minimal memory usage … dive deep into complex systems, identify bottlenecks, and implement improvements that make a measurable difference for clients. What you'll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems Working with Product, Engineering, and Clients to understand and meet performance targets … Creating and maintaining automated performance and load testing frameworks Mentoring engineers on writing efficient, scalable, and maintainable code Contributing to architectural decisions that directly impact performance and reliability What we're looking for Senior level experience in software engineering with strong experience in Python, Java, or C# Proven track record of performance tuning in large-scale More ❯

you will play a key role in supporting our extensive portfolio of over 800 Oracle databases, primarily focusing on Oracle 19c. You will be responsible for ensuring the reliability, performance, and security of our database environments, which include complex configurations such as RAC/ASM, Exadata, Dataguard, and RMAN. Key Responsibilities: Support and maintain Oracle 19c databases with a … and upgrades of Oracle RAC Clusters and associated application tools. Create, modify, and patch various database products as needed. Execute Oracle RMAN backup and recovery procedures effectively. Optimize database performance through tuning and monitoring. Configure and operate Oracle GoldenGate microservices. Provide support for Oracle Exadata and Oracle DataGuard environments. Utilize OEM 13c, Oracle OID, Foglight, and Autosys for … database management. Conduct SQL and PL/SQL programming for database operations. Oversee database auditing, security, and performance tuning. Troubleshoot and resolve database-related issues proactively. Skills & Experience: Proven experience as an Oracle DBA, particularly with Oracle 19c, in a complex environment. Strong understanding of RAC/ASM, Exadata, Dataguard, and RMAN. Hands-on experience with Oracle GoldenGate configuration More ❯

scalable, and perform optimally Monitor and manage these aspects while taking responsibility for multiple cloud infrastructure services Observing systems will be key to prioritising the operational service improvements and performance improvements to meet/exceed SLOs (Service Level Objectives) The role will be responsible to the Principal Specialist Engineer SRE and is part of the High Performance Computing …/AI) & research computing unit whose remit is to: Architect, develop & manage multi-cloud HPC platforms and on-premise infrastructure Ensure services are highly available, scalable and resilient Managing performance, capability and capacity planning Support UKHSA's AI requirements This role attracts a Market Pay Supplement of up to £5,000. Main duties of the job Ensure services are … respond to issues. Leverage automation to streamline tasks, reduce overhead on repeatable operations, reduce manual intervention and improve efficiency. Write code that is maintainable, clear, and concise. Optimise system performance using strong problem-solving skills to identify bottlenecks with an engineering mindset. Ensure systems can handle current and future workloads through automation and capacity planning. Continuously improve services through More ❯

electronic and competitive landscape, Citi is key player due to its leading eTrading platform and investment in technology. The FI eTrading team is at the forefront, by building high-performance low latency technology that supports the execution of billions of dollars of client trades every day. Our competitive advantage is our technology and having a platform that provides exceptional … Experience designing and implementing message-driven systems for reliable, asynchronous processing in low-latency, high-throughput, distributed environments. Extensive experience with Linux environments, including system administration, shell scripting, and performance tuning. Proficient in multithreading, concurrency and performance tuning Experience of the following technical areas Caching technologies e.g. Gemfire, Redis or others Middleware: Tibco, Solace or other Java … the context of financial systems. Experience with microservices architecture and containerization (e.g., Docker, Kubernetes). Nice to have Hands-on experience in designing and developing secure, scalable, and high-performance financial applications. Understanding of financial concepts such as payments, transactions, trading, risk management, and financial reporting. Proficiency in working with financial protocols (e.g., FIX) and integration with external financial More ❯

portfolio Deliver infrastructure provisioning and scaling using IaC (Cloud Development Kit or Terraform) Support application configuration, optimisation, and migration into high-availability setups Manage database deployments and contribute to performance planning Carry out load testing, capacity planning, and performance monitoring Investigate incidents, resolve issues, and improve system reliability Work closely with developers using modern CI/CD workflows … AWS WAF, Cloudflare) Desirable PostgreSQL and MSSQL administration Azure cloud services KongHQ/AWS API Gateway Azure DevOps CloudFront and other CDNs SSL certificate management, configuration hardening, domain setup Performance tuning and load testing Experience with pipeline-based mobile app builds/remote Mac builders What's on Offer Competitive salary and benefits package Pension & life assurance Employee More ❯

/Hybrid My client are seeking a talented Software Engineer who will play a critical role in developing and optimizing high-frequency trading systems, ensuring they operate at peak performance with minimal latency. This is an opportunity to work in a fast-paced, intellectually challenging environment where your contributions will have a direct impact on the firm's success. … class technical team that pride themselves on working with the most cutting edge technologies and you will work and learn from the best. Responsibilities: Design, develop, and maintain high-performance trading applications. Performance tuning of state of the art trading systems - optimise code for maximum speed and efficiency, minimising latency. Implement and enhance trading algorithms in collaboration 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 ❯

guidance for storage architecture and operations within the OpenShift infrastructure migration project. This role will ensure that storage solutions are designed, implemented, and optimized to meet the bank's performance, scalability, and compliance requirements across multi-cloud, hybrid, or on-prem environments. Key Responsibilities: . Technical Leadership: o Define storage architecture strategy for OpenShift clusters and workloads. o Advise … on best practices for storage provisioning, performance tuning, and capacity planning. o Serve as the go-to expert for storage-related issues and escalations. . Design & Integration: o Collaborate with Infrastructure Engineers and OpenShift Architects to integrate storage solutions with compute and networking layers. o Ensure compatibility with containerized workloads and persistent storage requirements. . Performance & Optimization … o Conduct performance assessments and recommend improvements. o Implement high availability, redundancy, and disaster recovery strategies. . Compliance & Security: o Ensure storage configurations align with the bank's security and regulatory standards. o Implement encryption, access controls, and data protection measures. . Governance & Documentation: o Maintain detailed documentation of storage architecture, policies, and operational procedures. o Support audits and More ❯

contributions, and generous holiday and family-friendly benefits. Skills & Requirements Essential: Strong experience with SSRS, SSIS, SSAS, and Power BI Advanced SQL Server capabilities: T-SQL, stored procedures, and performance tuning Experience designing and building data warehouses and star schemas Strong ETL experience using SQL Server SSIS Proficiency with Power BI, including DAX and Power Query Experience with More ❯

using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience of Behaviour-Driven and Test-Driven development principles and skills Experience of Public Cloud development Desirable Skills: Working in an Agile development team Designing and implementing More ❯

using Docker and Kubernetes Hands-on SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience of Behaviour-Driven and Test-Driven development principles and skills Experience of Public Cloud development Desirable Skills: Working in an Agile development team Designing and implementing 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: Strong expertise in Apache Kafka and Confluent ecosystem (Connect, Schema Registry, KSQL, etc.). Hands-on experience with Kafka More ❯

promoting a self-serve analytical culture. What are the qualities that can help you thrive as a Data Engineer? Essential Experience and Qualifications: Strong SQL skills - Tables, Stored Procedures, performance tuning etc. Experience with Azure ETL tools - Azure data Factory/Synapse Strong experience in Data movement methodologies and standards, ELT & ETL. A self-motivated, enthusiastic problem solver More ❯