1 to 25 of 55 Performance Tuning Jobs in the South East

This is a diverse, challenging role in a talented team where youll be developing and optimising highly available, robust, and scalable MySQL databases, while contributing to architectural decisions and performance tuning Essential: Strong MySQL DBA and development experience Performance tuning, optimisation, and indexing Database backup and recovery planning SQL Server to MySQL migration experience Writing performant More ❯

write clean, efficient code using SQL Server to translate Business Requirements into efficient Solution functionality. Responsibilities Translate user stories into functional solutions using SQL Server (DDL, DML, aggregates, basic performance tuning) Support production environments and deliver fixes and improvements Contribute to system design and development planning Learn and apply modern tools such as Python, PowerShell, Snowflake, and potentially … and analysing data sets Strong analytical and problem-solving skills Effective communication skills, both written and verbal Self-motivated with a proactive approach to continuous learning Familiarity with query performance tuning and execution plans Experience with Python, Snowflake, PowerShell Exposure to Apache Spark, Databricks, or other streaming platforms Awareness of cloud computing concepts and data warehousing Understanding of More ❯

as primary technical authority for Oracle database architecture with a specialized focus on Oracle Exadata platforms Lead deployment, configuration, and optimization of Oracle platforms, leveraging advanced features while establishing performance tuning methodologies and disaster recovery protocols Design data models, physical schemas, and partitioning strategies for high-volume workloads while overseeing database upgrades and patch deployment with minimal disruption … processing and high-frequency data operations Extensive experience with Oracle Exadata platforms, including configuration, optimization, and troubleshooting Hands-on expertise with Oracle RAC, Data Guard, ASM, RMAN, and advanced performance tuning techniques Deep understanding of Oracle database architecture, including advanced features and optimization techniques Experience with Oracle Enterprise Manager (OEM) for installation, upgrades, administration, and monitoring Knowledge of More ❯

client based in London. It is hybrid and will require 3x days onsite per week. You will design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. This role requires the individual to design and optimize Oracle-based data warehouse systems, ensuring they are scalable, high-performing … and aligned with business analytics needs. They will collaborate closely with the head of the data team and .NET developers, applying advanced data modelling, performance tuning, and problem-solving skills. The ideal candidate will be able to translate complex technical insights into clear, actionable recommendations for both technical and non-technical stakeholders. Skills Required: Strong experience in designing … and developing efficient ETL processes to support enterprise-scale Oracle Data Warehouse environments. Proven ability to optimize and tune complex SQL and PL/SQL scripts for performance, while guiding development teams on best practices for data modelling, indexing, and partitioning strategies. Skilled in troubleshooting and resolving issues in ETL workflows and data pipelines, with a focus on maintaining More ❯

and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. Youll work closely with cross-functional teams including data architects, compliance officers, and cybersecurity specialists to integrate data from various systems such … data pipeline design in regulated environments. Responsibilities: Design, develop, and maintain robust and secure data pipelines using NiFi and related big data technologies. Troubleshoot and optimize NiFi flows, including performance tuning, error resolution, and flow control. Integrate NiFi with cloud platforms, databases (SQL & NoSQL), APIs, and third-party systems. Ensure compliance with regulatory and security requirements across data … storage, transfer, and access layers. Support data migration efforts and implement disaster recovery protocols. Continuously monitor data infrastructure performance and recommend improvements. Collaborate with cross-functional teams to align data platform capabilities with business needs and compliance requirements. Maintain documentation of data flows and processes, ensuring knowledge sharing and operational transparency. Skills & Experience: You will have the following skills More ❯

the-box capabilities, integrations, and strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex requirements, translating them into comprehensive … leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from More ❯

the-box capabilities, integrations, and strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex requirements, translating them into comprehensive … leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from More ❯

the-box capabilities, integrations, and strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex requirements, translating them into comprehensive … leveraging various integration methods (e.g., REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow solutions, showcasing platform capabilities and … addressing client requirements. Performance Tuning & Optimization: Identify and address performance bottlenecks, ensuring the scalability and optimal performance of ServiceNow applications. Advanced Scripting & Development: Possess expert-level experience with ServiceNow scripting (Server-side JavaScript, GlideRecord, GlideSystem, UI Policies, Business Rules, Client Scripts, Script Includes) and the development of custom applications. Agile Leadership: Guide agile development teams from More ❯

Consulting Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric … a solid understanding of the networking demands of large-scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance … virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based AI infrastructure. •Collaborate with compute, storage, and DevOps teams to ensure end-to-end performance across AI training, fine-tuning, inference, and ETL pipelines. •Drive network automation efforts using tools such as Python, Ansible, and Terraform, enabling Infrastructure-as-Code (IaC) for repeatable More ❯

Consulting Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric … a solid understanding of the networking demands of large-scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance … virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based AI infrastructure. •Collaborate with compute, storage, and DevOps teams to ensure end-to-end performance across AI training, fine-tuning, inference, and ETL pipelines. •Drive network automation efforts using tools such as Python, Ansible, and Terraform, enabling Infrastructure-as-Code (IaC) for repeatable More ❯

Consulting Engineer (NCE) to design and implement next-generation VXLAN EVPN-based data center networks that support hypercomputing and AI infrastructure. This role is central to enabling the high-performance, low-latency environments required for multi-GPU clusters, distributed training pipelines, and scalable AI workloads. The ideal candidate will bring deep expertise in VXLAN, BGP, EVPN, RoCEv2, and fabric … a solid understanding of the networking demands of large-scale AI and HPC environments. Key Responsibilities: •Design, deploy, and manage VXLAN EVPN-based fabric networks supporting AI and high-performance computing workloads. •Build scalable spine-leaf architectures using Cisco Nexus 9000 or Arista switches, ensuring efficient Layer 2/Layer 3 segmentation and workload mobility. •Optimize network performance … virtualization platforms such as VMware NSX, KVM, and Hyper-V, as well as Kubernetes-based AI infrastructure. •Collaborate with compute, storage, and DevOps teams to ensure end-to-end performance across AI training, fine-tuning, inference, and ETL pipelines. •Drive network automation efforts using tools such as Python, Ansible, and Terraform, enabling Infrastructure-as-Code (IaC) for repeatable More ❯

more ORM frameworks. Ø Proficient in writing complex SQL, profiling and optimizing queries. Ø Excellent understanding of distributed version control system (Git, BitBucket). Ø Knowledge of profiling and performance tuning the application. Ø Experience upgrading .Net framework to .Net core a strong plus. Ø Strong understanding of cyber security considerations when setting up and developing web servers. More ❯

hiring for a leading global banking client based in London , working on cutting-edge digital transformation projects within their core banking platforms. Key Responsibilities Design and develop scalable, high-performance backend systems using Java and reactive frameworks. Collaborate with cross-functional teams to deliver robust microservices architectures. Contribute to system architecture decisions and ensure best practices in coding and … of CI/CD tools and practices (Jenkins, GitLab, etc.). Desirable Skills Exposure to financial services or banking environments. Experience with messaging systems (Kafka, RabbitMQ). Knowledge of performance tuning and monitoring tools. What's on Offer Opportunity to work on high-impact projects in a global banking environment. Hybrid working model (2-3 days onsite in More ❯

and scalable ready to meet the demands of a growing user base and a regulated environment. Drive Technical Excellence: Set and maintain high standards for code quality, testing, system performance, and engineering practices. Influence Without Authority: Provide technical direction across teams, help navigate complexity, and drive alignment on architectural decisions. Mentor and Support: Partner with engineering managers to mentor … or GCP), and event-driven design. Strong programming ability in one or more languages (e.g. TypeScript, Node.js, Python, Go, Java). Experience with DevOps practices, CI/CD pipelines, performance tuning, and monitoring tools. Solid database knowledge (SQL & NoSQL) and the judgment to choose the right tool for the job. Strong communication and stakeholder engagement skills; comfortable working More ❯

and scalable ready to meet the demands of a growing user base and a regulated environment. Drive Technical Excellence: Set and maintain high standards for code quality, testing, system performance, and engineering practices. Influence Without Authority: Provide technical direction across teams, help navigate complexity, and drive alignment on architectural decisions. Mentor and Support: Partner with engineering managers to mentor … or GCP), and event-driven design. Strong programming ability in one or more languages (e.g. TypeScript, Node.js, Python, Go, Java). Experience with DevOps practices, CI/CD pipelines, performance tuning, and monitoring tools. Solid database knowledge (SQL & NoSQL) and the judgment to choose the right tool for the job. Strong communication and stakeholder engagement skills; comfortable working More ❯

and scalable ready to meet the demands of a growing user base and a regulated environment. Drive Technical Excellence: Set and maintain high standards for code quality, testing, system performance, and engineering practices. Influence Without Authority: Provide technical direction across teams, help navigate complexity, and drive alignment on architectural decisions. Mentor and Support: Partner with engineering managers to mentor … or GCP), and event-driven design. Strong programming ability in one or more languages (e.g. TypeScript, Node.js, Python, Go, Java). Experience with DevOps practices, CI/CD pipelines, performance tuning, and monitoring tools. Solid database knowledge (SQL & NoSQL) and the judgment to choose the right tool for the job. Strong communication and stakeholder engagement skills; comfortable working More ❯

innovative FP&A solutions aligned to business needs and client expectations. Act as the technical authority on Unit4 FP&A CPM/BI , providing best practice processes, troubleshooting, and performance tuning. Support sales and pre-sales activity, contributing to bids, proposals, and solution design. Develop and maintain delivery methodologies, governance frameworks, and quality assurance processes. Oversee complex installations, upgrades More ❯

CD workflows and release pipelines Design high-load, fault-tolerant, and highly available systems Apply modern architectural patterns such as microservices and event-driven architecture Ensure scalability, maintainability, and performance of backend services Develop and maintain comprehensive architectural documentation Conduct architecture reviews, technical audits, and drive adoption of best practices Partner with infrastructure teams to ensure system reliability and … operational efficiency Integrate monitoring and logging solutions (e.g., Prometheus, Grafana, ELK) Define strategies for disaster recovery, scaling, and infrastructure resilience Improve observability by enhancing visibility into performance and error metrics Skills and Experience Required 10+ years of backend development experience, including 5+ years in an architectural or engineering leadership role Proven experience designing and scaling high-load, distributed systems … Deep understanding of microservices, service orchestration, and API communication (REST, gRPC) Expertise with SQL and NoSQL databases, including performance tuning and optimization Experience with Golang development Strong background in automated testing methodologies and tools Familiarity with cloud platforms, Kubernetes, and DevOps collaboration Excellent written and verbal communication skills, with a strategic mindset Experience maintaining architectural documentation and leading More ❯

automation, and enterprise-grade system performance. What You’ll Be Doing Administer and monitor enterprise systems, ensuring high availability Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning Automate infrastructure using tools like Ansible , PowerShell, or Bash Implement robust backup and disaster recovery strategies Enforce security measures, conduct audits, and ensure compliance Troubleshoot complex system … issues and support continuous improvement Document system configurations and generate performance reports What You’ll Bring 6+ years in systems administration or infrastructure engineering Expert-level VMware experience (upgrade, provisioning, tuning) Strong skills in Ansible and other automation/scripting tools Solid Linux/Windows OS knowledge Experience with Red Hat Satellite and patching infrastructure Excellent problem-solving More ❯

automation, and enterprise-grade system performance. What You’ll Be Doing Administer and monitor enterprise systems, ensuring high availability Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning Automate infrastructure using tools like Ansible , PowerShell, or Bash Implement robust backup and disaster recovery strategies Enforce security measures, conduct audits, and ensure compliance Troubleshoot complex system … issues and support continuous improvement Document system configurations and generate performance reports What You’ll Bring 6+ years in systems administration or infrastructure engineering Expert-level VMware experience (upgrade, provisioning, tuning) Strong skills in Ansible and other automation/scripting tools Solid Linux/Windows OS knowledge Experience with Red Hat Satellite and patching infrastructure Excellent problem-solving More ❯

automation, and enterprise-grade system performance. What You’ll Be Doing Administer and monitor enterprise systems, ensuring high availability Lead and manage a VMware virtualised environment : upgrades, provisioning, and performance tuning Automate infrastructure using tools like Ansible , PowerShell, or Bash Implement robust backup and disaster recovery strategies Enforce security measures, conduct audits, and ensure compliance Troubleshoot complex system … issues and support continuous improvement Document system configurations and generate performance reports What You’ll Bring 6+ years in systems administration or infrastructure engineering Expert-level VMware experience (upgrade, provisioning, tuning) Strong skills in Ansible and other automation/scripting tools Solid Linux/Windows OS knowledge Experience with Red Hat Satellite and patching infrastructure Excellent problem-solving More ❯

Hotwire, or React) Collaborate closely with product/design to translate requirements into robust technical solutions Write clean, well-tested code (RSpec or Minitest) Debug and resolve bugs and performance issues Participate in code reviews and maintain coding best practices Support occasional DevOps or deployment tasks (Heroku/AWS experience a plus) Requirements 3+ years of experience working with … end development: JavaScript, HTML/CSS and ideally Stimulus, Turbo, or React Solid understanding of RESTful APIs, MVC architecture and PostgreSQL Familiarity with background jobs (e.g., Sidekiq), caching and performance tuning Experience writing automated tests and working in TDD/BDD environments Excellent communication skills and ability to work independently in a remote setting Nice to Have Experience More ❯

enhance ETL/ELT pipelines in Azure Databricks Develop facts and dimensions for financial reporting Collaborate with cross-functional teams to deliver robust data solutions Optimize data workflows for performance and cost-efficiency Implement governance and security using Unity Catalog Drive automation and CI/CD practices across the data platform Explore new technologies to improve data ingestion and … PySpark), Databricks Workflows Data Pipeline Design : Proven experience in scalable ETL/ELT development Azure Services : Data Lake, Blob Storage, Synapse Data Governance : Unity Catalog, access control, metadata management Performance Tuning : Partitioning, caching, Spark job optimization Cloud Architecture : Infrastructure-as-code, monitoring, automation Finance Domain Knowledge : Experience with financial systems and reporting Data Modelling : Kimball methodology, star schemas More ❯

reports & dashboards Data Modelling – semantic models within Microsoft Synapse DAX – advanced formulas & data analysis SQL – queries to extract & manipulate data Synapse Integration – workspaces, pipelines & dedicated SQL pools Dataset optimisation – performance tuning & incremental refresh Data Gateway setup & configuration Security – Row-Level Security & workspace permissions Stakeholder engagement – defining KPIs & reporting needs Documentation – clear, structured reporting logic If you’re an More ❯

source-controlled, continuous integration (CI) environment. Background in the finance or pensions sector, with an understanding of industry-specific requirements and practices. Proficient in SQL Server query optimisation, including performance tuning and the implementation of efficient indexing strategies. What You Will Be Doing Designing and implementing Web APIs to support a well-established Pensions Administration platform Conducting thorough More ❯