1 to 25 of 41 Remote Performance Tuning Jobs in the South East

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

Data Governance Engineer to be the technical backbone of our data and AI operations, ensuring our data Lakehouse environment is secure, compliant, and architected for both governance and high-performance analytics. This role bridges deep technical expertise with practical understanding of data governance, data modelling, database design, security, and privacy requirements, enabling our organization to leverage data and AI … data classification schemes and access policies that balance security with usability Create technical solutions for data quality monitoring, validation, and remediation Build analytics infrastructure and optimize cost and query performance to support business intelligence and AI workloads Implement audit logging and monitoring systems to track data access and usage Collaborate with data stewards, data owners, data engineers and analysts … privacy regulations (GDPR, CCPA, HIPAA, etc.) and technical implementation of compliance requirements Proficiency in SQL and at least one programming language (e.g. Python, Java) Understanding of analytics architectures and performance optimization techniques Ability to translate business and compliance requirements into technical solutions Strong problem-solving skills and attention to detail Excellent documentation and communication skills for technical and non More ❯

and business analysts to ensure seamless integration and data quality Support presales activities including solution design, effort estimation, and client presentations Establish and promote best practices in data governance, performance tuning, and DevOps for BI Required Skills & Expertise: Proven experience delivering enterprise-grade Power BI solutions Implement robust data transformation and validation processes to ensure accuracy and alignment … with business definitions Collaborate with business analysts, data modellers, and reporting teams to ensure the curated data supports deeper insights into corporate performance Optimise data pipelines for scalability, reliability, and maintainability using best practices (e.g., modular ETL design, version control, CI/CD) Strong understanding of Microsoft Fabric architecture and components Expertise in Microsoft Fabric Data Engineering Fabric Dataflows More ❯

and transformation projects. This role will suit someone who thrives in a collaborative environment, enjoys solving complex technical challenges, and has a deep understanding of Oracle’s RDBMS and performance tuning. Key Responsibilities Design, develop, and maintain Oracle database components and PL/SQL code (procedures, packages, triggers). Support ETL and data migration projects, ensuring data integrity and … performance across large datasets. Develop and optimise SQL scripts, queries, and DML/DDL operations. Use SQL*Loader, Database Links, and related utilities for efficient data movement. Conduct performance analysis, tune queries, and review execution plans to maximise efficiency. Work with UNIX shell environments, maintaining and developing automation scripts. Collaborate with project teams, analysts, and stakeholders to meet … procedures, packages, and triggers. ETL/Data Migration – experience with large-scale data movement and transformation projects. SQL*Loader & Database Links – practical experience loading and connecting large data sets. Performance Tuning – skilled in code analysis and execution plan optimisation. Oracle Tools – SQL*Plus, TOAD, SQL Developer. UNIX/Linux – knowledge of shell scripting; exposure to PHP or Perl More ❯

and transformation projects. This role will suit someone who thrives in a collaborative environment, enjoys solving complex technical challenges, and has a deep understanding of Oracle’s RDBMS and performance tuning. Key Responsibilities Design, develop, and maintain Oracle database components and PL/SQL code (procedures, packages, triggers). Support ETL and data migration projects, ensuring data integrity and … performance across large datasets. Develop and optimise SQL scripts, queries, and DML/DDL operations. Use SQL*Loader, Database Links, and related utilities for efficient data movement. Conduct performance analysis, tune queries, and review execution plans to maximise efficiency. Work with UNIX shell environments, maintaining and developing automation scripts. Collaborate with project teams, analysts, and stakeholders to meet … procedures, packages, and triggers. ETL/Data Migration – experience with large-scale data movement and transformation projects. SQL*Loader & Database Links – practical experience loading and connecting large data sets. Performance Tuning – skilled in code analysis and execution plan optimisation. Oracle Tools – SQL*Plus, TOAD, SQL Developer. UNIX/Linux – knowledge of shell scripting; exposure to PHP or Perl 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 ❯

transformation! About the Role In this hands-on, technical position, you will take ownership of a significant portfolio of around 90 SSIS batch jobs. You'll dive deep into performance analysis, tackle existing technical debt, and implement best practises that will elevate our data operations. Your expertise will be crucial as we gear up for an exciting data warehouse … migration from New York to London in 2026! Key Responsibilities Analyse and optimise SSIS ETL pipelines and batch jobs. Improve SQL performance through effective indexing and execution plans. Identify and resolve locking and blocking issues to enhance efficiency. Apply best practises to boost overall warehouse performance. Work independently to drive optimisation initiatives. Collaborate with senior developers for insightful technical … on-prem) Data Warehousing and PowerBI is essential Strong SSIS development and optimisation experience is essential. Solid experience with SSAS and SSRS tools. Deep understanding of execution plans and performance tuning techniques. Strong troubleshooting and problem-solving skills. Proven history of improving complex ETL environments. Nice to Have Experience with C# for SSIS scripts. Proficiency in Python. Exposure More ❯

in London on an initial 24 Month Fixed Term Contract for a Global Financial services Organisation. Responsibilities: Administer and optimise Oracle databases for core banking applications, ensuring high availability, performance, and security. Manage and maintain Linux and AIX servers hosting financial systems. Perform OS and database upgrades, patching, and performance tuning. Collaborate with senior IT staff and external … planning and testing. Provide on-call support and incident response for production environments. Document procedures, configurations, and operational runbooks. Experience: 7+ years in Oracle DBA roles (including RAC, ASM, performance tuning) Strong command of SQL and Oracle PL/SQL. 5+ years with Linux (RHEL/Oracle Linux) and AIX. Experience with IBM Power systems Shell scripting (Bash More ❯

in London on an initial 24 Month Fixed Term Contract for a Global Financial services Organisation. Responsibilities: Administer and optimise Oracle databases for core banking applications, ensuring high availability, performance, and security. Manage and maintain Linux and AIX servers hosting financial systems. Perform OS and database upgrades, patching, and performance tuning. Collaborate with senior IT staff and external … planning and testing. Provide on-call support and incident response for production environments. Document procedures, configurations, and operational runbooks. Experience: 7+ years in Oracle DBA roles (including RAC, ASM, performance tuning) Strong command of SQL and Oracle PL/SQL. 5+ years with Linux (RHEL/Oracle Linux) and AIX. Experience with IBM Power systems Shell scripting (Bash More ❯

data quality and consistency across the data platforms. Troubleshooting and resolving issues related to data transformation, data loading, and data quality, while proactively identifying opportunities for process optimisation and performance tuning. Contribute to the development, support and maintenance of reports and dashboards using Power BI. Troubleshoot and resolve data-related issues and provide support for data-related projects. Innovate More ❯

version control best practices Testing frameworks (PHPUnit, Jest, Cucumber) Agile methodologies without the ceremony - we take a very lean approach Docker CI/CD and cloud hosting Architecture scalability performance tuning Education 2:1+ degree in Software Engineering Experience 7+ years in software engineering Proven ability to deliver independently on complex systems while aligning with overall technical strategy More ❯

ll bring... Strong understanding of Python, Azure, Databricks and SQL. Experience in building and optimising ETL or ELT pipelines. Knowledge of Delta Lake and Spark for data processing and performance tuning. The ability to adapt quickly, as you’ll be working across multiple client projects and sectors. Strong communication skills are essential – you’ll be the bridge between technical More ❯

of Aylesbury, Buckinghamshire. Some flex on hybird working. - Salary circa £50,000 - £55,000 plus benefits Technology provider of secure identity, access, and authentication solutions. My client build high-performance software and hardware systems that support mission-critical identity operations. The engineering team works across embedded systems, backend services, and security infrastructure to deliver reliable, scalable products. Role Overview … or browser-based). Contribute to system design, architecture decisions, and technical roadmaps for Red Fox ID products. Work within Linux-based environments, including scripting, system-level debugging, and performance tuning. Perform hardware setup, configuration, and integration, including peripherals, sensors, or identity-related devices. Develop and maintain automation scripts and CI/CD pipelines. Debug and troubleshoot production issues … networking concepts (TCP/IP, serial interfaces, device communication). Experience with cloud platforms (AWS, GCP, Azure). Familiarity with embedded systems, device provisioning, or firmware interactions. Experience with performance tuning in Linux or systems-level optimization. The company offer an unrivalled volume of new projects, Greenfield development and the opportunity to work with and learn from some More ❯

of Aylesbury, Buckinghamshire. Some flex on hybird working. - Salary circa 50,000 - 55,000 plus benefits Technology provider of secure identity, access, and authentication solutions. My client build high-performance software and hardware systems that support mission-critical identity operations. The engineering team works across embedded systems, backend services, and security infrastructure to deliver reliable, scalable products. Role Overview … or browser-based). Contribute to system design, architecture decisions, and technical roadmaps for Red Fox ID products. Work within Linux-based environments, including scripting, system-level debugging, and performance tuning. Perform hardware setup, configuration, and integration, including peripherals, sensors, or identity-related devices. Develop and maintain automation scripts and CI/CD pipelines. Debug and troubleshoot production issues … networking concepts (TCP/IP, serial interfaces, device communication). Experience with cloud platforms (AWS, GCP, Azure). Familiarity with embedded systems, device provisioning, or firmware interactions. Experience with performance tuning in Linux or systems-level optimization. The company offer an unrivalled volume of new projects, Greenfield development and the opportunity to work with and learn from some More ❯

large-scale production environments (5,000+ hosts) built on technologies such as Kafka, Redis, Kubernetes and MySQL. This is a hands-on, systems-level position focused on reliability, scalability, performance and troubleshooting. You'll work alongside experienced engineers, operating with a high degree of autonomy to keep critical systems healthy, resilient, and observable. Key Responsibilities Manage, configure and maintain … systems including Kafka, Redis, Kubernetes and MySQL Support day-to-day operations in data centre/large-scale infrastructure environments (5,000+ hosts) Contribute to system reliability, scalability and performance improvements across the platform Participate in an on-call rotation (one week every 4–5 weeks) to ensure 24x7 availability of critical systems Collaborate with internal teams to improve … Skills 5+ years' experience in Linux system administration, SRE, Infrastructure or Platform Engineering roles Proven experience operating large-scale infrastructure (thousands of hosts/distributed systems) Strong troubleshooting and performance tuning skills at the infrastructure and OS level Solid understanding of MySQL operations, including replication concepts Hands-on experience with Kafka and/or other distributed messaging systems More ❯

large-scale production environments (5,000+ hosts) built on technologies such as Kafka, Redis, Kubernetes and MySQL. This is a hands-on, systems-level position focused on reliability, scalability, performance and troubleshooting. You'll work alongside experienced engineers, operating with a high degree of autonomy to keep critical systems healthy, resilient, and observable. Key Responsibilities Manage, configure and maintain … systems including Kafka, Redis, Kubernetes and MySQL Support day-to-day operations in data centre/large-scale infrastructure environments (5,000+ hosts) Contribute to system reliability, scalability and performance improvements across the platform Participate in an on-call rotation (one week every 4–5 weeks) to ensure 24x7 availability of critical systems Collaborate with internal teams to improve … Skills 5+ years' experience in Linux system administration, SRE, Infrastructure or Platform Engineering roles Proven experience operating large-scale infrastructure (thousands of hosts/distributed systems) Strong troubleshooting and performance tuning skills at the infrastructure and OS level Solid understanding of MySQL operations, including replication concepts Hands-on experience with Kafka and/or other distributed messaging systems More ❯

large-scale production environments (5,000+ hosts) built on technologies such as Kafka, Redis, Kubernetes and MySQL. This is a hands-on, systems-level position focused on reliability, scalability, performance and troubleshooting. You'll work alongside experienced engineers, operating with a high degree of autonomy to keep critical systems healthy, resilient, and observable. Key Responsibilities Manage, configure and maintain … systems including Kafka, Redis, Kubernetes and MySQL Support day-to-day operations in data centre/large-scale infrastructure environments (5,000+ hosts) Contribute to system reliability, scalability and performance improvements across the platform Participate in an on-call rotation (one week every 4–5 weeks) to ensure 24x7 availability of critical systems Collaborate with internal teams to improve … Skills 5+ years' experience in Linux system administration, SRE, Infrastructure or Platform Engineering roles Proven experience operating large-scale infrastructure (thousands of hosts/distributed systems) Strong troubleshooting and performance tuning skills at the infrastructure and OS level Solid understanding of MySQL operations, including replication concepts Hands-on experience with Kafka and/or other distributed messaging systems More ❯

large-scale production environments (5,000+ hosts) built on technologies such as Kafka, Redis, Kubernetes and MySQL. This is a hands-on, systems-level position focused on reliability, scalability, performance and troubleshooting. You'll work alongside experienced engineers, operating with a high degree of autonomy to keep critical systems healthy, resilient, and observable. Key Responsibilities Manage, configure and maintain … systems including Kafka, Redis, Kubernetes and MySQL Support day-to-day operations in data centre/large-scale infrastructure environments (5,000+ hosts) Contribute to system reliability, scalability and performance improvements across the platform Participate in an on-call rotation (one week every 4–5 weeks) to ensure 24x7 availability of critical systems Collaborate with internal teams to improve … Skills 5+ years' experience in Linux system administration, SRE, Infrastructure or Platform Engineering roles Proven experience operating large-scale infrastructure (thousands of hosts/distributed systems) Strong troubleshooting and performance tuning skills at the infrastructure and OS level Solid understanding of MySQL operations, including replication concepts Hands-on experience with Kafka and/or other distributed messaging systems More ❯

large-scale production environments (5,000+ hosts) built on technologies such as Kafka, Redis, Kubernetes and MySQL. This is a hands-on, systems-level position focused on reliability, scalability, performance and troubleshooting. You'll work alongside experienced engineers, operating with a high degree of autonomy to keep critical systems healthy, resilient, and observable. Key Responsibilities Manage, configure and maintain … systems including Kafka, Redis, Kubernetes and MySQL Support day-to-day operations in data centre/large-scale infrastructure environments (5,000+ hosts) Contribute to system reliability, scalability and performance improvements across the platform Participate in an on-call rotation (one week every 4–5 weeks) to ensure 24x7 availability of critical systems Collaborate with internal teams to improve … Skills 5+ years' experience in Linux system administration, SRE, Infrastructure or Platform Engineering roles Proven experience operating large-scale infrastructure (thousands of hosts/distributed systems) Strong troubleshooting and performance tuning skills at the infrastructure and OS level Solid understanding of MySQL operations, including replication concepts Hands-on experience with Kafka and/or other distributed messaging systems More ❯

large-scale production environments (5,000+ hosts) built on technologies such as Kafka, Redis, Kubernetes and MySQL. This is a hands-on, systems-level position focused on reliability, scalability, performance and troubleshooting. You'll work alongside experienced engineers, operating with a high degree of autonomy to keep critical systems healthy, resilient, and observable. Key Responsibilities Manage, configure and maintain … systems including Kafka, Redis, Kubernetes and MySQL Support day-to-day operations in data centre/large-scale infrastructure environments (5,000+ hosts) Contribute to system reliability, scalability and performance improvements across the platform Participate in an on-call rotation (one week every 4–5 weeks) to ensure 24x7 availability of critical systems Collaborate with internal teams to improve … Skills 5+ years' experience in Linux system administration, SRE, Infrastructure or Platform Engineering roles Proven experience operating large-scale infrastructure (thousands of hosts/distributed systems) Strong troubleshooting and performance tuning skills at the infrastructure and OS level Solid understanding of MySQL operations, including replication concepts Hands-on experience with Kafka and/or other distributed messaging systems More ❯