26 to 50 of 366 Performance Tuning Jobs in England

Senior Lead Oracle Fusion Cloud Integration & Extension Consultant role

Hiring Organisation
Version 1
Location
London, UK
transformations • Implement robust error handling, replay, recovery and operational support patterns covering technical failures, business validation failures, rejected records and downstream availability issues. • Support performance tuning for high-volume integrations, including batching, pagination, payload optimisation, parallel processing and appropriate use of asynchronous patterns. • Implement secure integration patterns using … technical and business error-handling frameworks, including logging, notification, retry, replay and reconciliation support. • Experience supporting high-volume or business-critical integration processing, including performance tuning and operational support considerations. • Ability to produce clear technical design documents, mapping specifications, test evidence, deployment instructions and support handover material. • Experience ...

Senior Azure Data Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day
operational processes using SQL, Python, or PowerShell. Database Administration: Administer and manage SQL Server environments hosted on Azure VMs, handling security, backup/recovery, performance tuning, and access management. Platform Modernization: Support database migrations, system upgrades, and platform modernization initiatives. Governance & Security: Implement data quality controls, governance standards … Server development and administration skills, including hands-on experience managing SQL Server on Azure Virtual Machines. Database Expertise: Proven track record in database migration, performance tuning, backup/recovery, and security implementation. Scripting & Automation: Strong scripting abilities in SQL, Python, and/or PowerShell. Data Formats: Experience working ...

Senior Azure Data Engineer

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
operational processes using SQL, Python, or PowerShell. Database Administration: Administer and manage SQL Server environments hosted on Azure VMs, handling security, backup/recovery, performance tuning, and access management. Platform Modernization: Support database migrations, system upgrades, and platform modernization initiatives. Governance & Security: Implement data quality controls, governance standards … Server development and administration skills, including hands-on experience managing SQL Server on Azure Virtual Machines. Database Expertise: Proven track record in database migration, performance tuning, backup/recovery, and security implementation. Scripting & Automation: Strong scripting abilities in SQL, Python, and/or PowerShell. Data Formats: Experience working ...

Jav Full Stack Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modernization initiatives from Teradata to Snowflake. Lead development of data models, ETL processes, and data integration strategies. Define data modeling, performance tuning, and SQL optimization standards. Ensure scalable, secure, and cost‐efficient Snowflake usage. Evaluate and recommend tools and technologies to enhance data management and analytics capabilities. Migration … business teams. Provide technical guidance during design and production issues. Participate in client discussions and solution reviews. Required Technical Skills Teradata – strong SQL, performance tuning, BTEQ scripting, experience with FastLoad, MultiLoad, TPT. Snowflake – architecture (virtual warehouses, storage, micro‐partitioning), SQL optimization, cost governance, Streams, Tasks, MERGE, roles, RBAC ...

Performance Architect

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£625 - £700/day - Inside IR35
Role/Job Titlke: Performance Architect Mode of working: Hybrid with 3-days onsite in London Duration: 12 Months (Likelihood of further extension Our client, working on behalf of the British postal service and courier company is urgently seeking a Performance Architect with extensive experience in Performance Architecture, Performance Engineering and System Optimization. The successful candidate will be responsible for defining and driving the performance strategy across the entire solution lifecycle, ensuring that applications and platforms are scalable, resilient, and capable of meeting business and operational demands. The role focuses on embedding performance ...

Power Platform Developer – Security Clearance

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Design and build integrations between F&O and external systems using Power Automate, Dataverse, virtual tables, and RESTful APIs. Ensure data integrity, security, and performance in integration solutions. Create and maintain automated workflows and approval processes that embed business rules, thresholds, compliance controls, and auditability. Design, maintain, and optimize … incorporate AI features to enhance F&O processes. Provide ongoing maintenance, troubleshooting, and third‐level support for new and existing Dynamics 365 applications, including performance tuning and bug fixes. Consult with clients and end‐users on technical and functional aspects of the platform, providing guidance and recommendations ...

Remote Home Based Database Administrator

Hiring Organisation
4M Recruitment
Location
Midlands, Nechells, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£55000 - £65000/annum
responsible for the design, implementation, management and maintenance of database systems ensuring they operate efficiently, securely and reliability. This will include database management, performance tuning, backup and recovery, upgrade, patch management and trouble shooting. The ideal candidate will have the following skills and experience: Oracle and PostgreSQL databases … Database management, performance tuning, backup and recovery, upgrade, patch management Problem solver Excellent attention to detail Good team player Relevant certifications (e.g., Oracle Certified Professional, Microsoft Certified: Azure Database Administrator) is a plus but not essential. Salary: £55,000 - £65,000 Excellent company benefits including bonus. ...

Oracle Database Administrator

Hiring Organisation
Total Recruitment Group
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £525 per day
generalist "data platform" position. The role: Administer, tune and secure Oracle database environments in production Manage backup, restore and disaster recovery processes Own indexing, performance tuning and monitoring Support a live legacy system migration Manage database access permissions What you need: Proven Oracle DBA experience in a production … enterprise environment Strong hands-on knowledge of indexing, performance tuning, backup/restore, monitoring and replication Experience through at least one database version migration Comfortable working independently in a fast-paced environment Nice to have, not required: Postgres, SQL Server, MySQL, or Terraform. This is fundamentally an Oracle ...

SAP ABAP S/4 Hana Architect - UK

Hiring Organisation
Infosys Technologies
Location
London, UK
Fiori Apps• Strong knowledge in the ABAP runtime analysis tool (SE30), SQL Trace (ST05), System dump analysis (ST22) to analyse and improve runtime performance, performance tuning, troubleshooting, problem resolution and capacity planning.Preferred• Experience in Life science domain. • Previous experience for working in Pharmaceutical vertical • Multilingual proficiency … powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ...

MySQL DBA - Fintech

Hiring Organisation
Quant Capital
Location
London, UK
Must Ideally Have:·MySQL and MariaDB on Linux·InnoDB·Database installations, backups, restores, replication·Scripting languages – Python and Bash·Stored procedures, SQL tuning·Performance Tuning·Capacity planning·Transaction processingYou will be joining a progressive and exciting company committed to excellence. They offer an excellent working environment with ...

FX Risk — Lead Java Developer | Vice President

Hiring Organisation
Citigroup
Location
London, UK
decisions shape a strategically critical platform, and your impact is felt across global markets.What You'll DoLead end-to-end delivery of complex, high-performance Java applications supporting FX risk management across global marketsArchitect scalable, low-latency solutions that process real-time risk data at scale — designing for resilience … performance, and security from day oneDrive technical direction and key decisions — from system design and architectural choices to setting engineering standards across the teamTranslate complex business requirements into robust, high-quality code — working closely with quantitative analysts, traders, and business stakeholdersCraft high-quality, scalable software in an agile environment ...

Database Administrator (AWS AURORA / POSTGRESQL)

Hiring Organisation
NSD
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £525 per day
database platforms hosted within AWS. This is an excellent opportunity to join a highly skilled technical team, working on mission-critical services where resilience, performance and security are paramount. WHAT WILL THE SENIOR DATABASE ADMINISTRATOR BE DOING? As the Senior Database Administrator, you'll act as the technical lead … hosted database platforms, taking ownership of database architecture, resilience, performance optimisation and operational support. You'll work closely with Solution Architects, Cloud Engineers, Developers and Operational teams to design highly available database solutions, optimise performance, implement disaster recovery capabilities and resolve complex production issues. Alongside hands-on technical ...

SQL Developer

Hiring Organisation
Picture More
Location
South East London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 per annum
sits at the heart of a business-critical software platform. You'll be joining a collaborative engineering team where you'll solve complex database performance issues, improve scalability and reliability, and play a key role in the ongoing development of a mature SQL estate. If you enjoy analysing execution … plans, tuning complex queries and solving challenging SQL performance problems, this is an excellent opportunity. The role Develop, enhance and maintain complex T-SQL stored procedures, functions and queries. Investigate and resolve SQL performance issues using execution plans and performance analysis tools. Optimise queries, indexing strategies ...

Senior Platform Engineer

Hiring Organisation
JP Morgan Chase
Location
London, UK
Senior Platform Engineer at JPMorganChase within Electronic Trading Services Platforms, you will be a hands-on technical leader responsible for designing, building, and tuning the Linux-based compute and infrastructure platforms that power our low-latency electronic trading businesses. This is a deeply technical, engineering-first role: you will … multiply your impact.You will work directly with the Electronic Trading Lines of Business to align technical strategy with business goals, solve complex compute and performance-engineering challenges, and mentor partner technical teams. You will serve as an expert, hands-on advisor to peers, leadership, and stakeholders.Job ResponsibilitiesDesign, build ...

Senior MS SQL Database Administrator

Hiring Organisation
KBR
Location
Guildford, Surrey, UK
forefront of leveraging technology to create lasting business value.About the RoleThe Senior MS SQL Database Administrator is responsible for the administration, maintenance, performance, security, and availability of enterprise Microsoft SQL Server environments supporting critical business applications worldwide. This role serves as a senior member of the Global Database Team … deep Microsoft SQL Server expertise with strong troubleshooting, automation, and operational support skills. This individual will play a key role in ensuring database reliability, performance, and compliance while supporting modernization initiatives, cloud technologies, and enterprise database governance standards.Key ResponsibilitiesInstall, configure, upgrade, and maintain enterprise Microsoft SQL Server environments.Manage database ...

Senior Fullstack Engineer (Python + React.js)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
efficient server‐side applications. The ideal candidate should have experience in microservices architecture, API development, database management, and frontend ensuring high availability and performance of backend and frontend services. A strong focus on Separation of Concerns (SoC), security best practices, and performance optimization is crucial for success … create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services, e.g. Microservices utilising REST, gRPC, or GraphQL, ensuring optimal performance and seamless integration. Optimize database queries and schemas to improve performance, scalability, and reliability. Implement security features, including authentication and authorization using industry ...

Application Support Engineer

Hiring Organisation
Bounteous
Location
London, UK
join our Exchange Operations team supporting Nadex, a regulated derivatives trading exchange. You will play a critical role in ensuring the availability, stability, and performance of our production and demo trading environments. This is a hands-on role suited for someone who thrives in a fast-paced, mission-critical … Problem Management — Triage, troubleshoot, and drive resolution of production incidents. Follow defined escalation procedures and contribute to root cause analysis and post-incident reviews.• Performance Tuning — Monitor application and system performance, identify bottlenecks, and implement tuning recommendations to maintain optimal exchange operations.• Change & Release Support — Assist ...

DB2 for z/OS Systems Programmer

Hiring Organisation
NTT
Location
London, UK
supporting a large database estate comprising 50+ DB2 subsystems across multiple mainframe platforms and geographies. This role is critical to ensuring the availability, performance, integrity, maintenance, and security of the organization's DB2 infrastructure.You will work closely with application development, infrastructure, operations, and security teams to maintain highly available … secure DB2 environments while supporting strategic database initiatives, performance optimization, disaster recovery planning, and technology upgrades.The ideal candidate will possess strong technical expertise, excellent troubleshooting capabilities, and the ability to operate independently within a complex enterprise environment.In this role, You willInstall, configure, upgrade, and maintain DB2 for z/ ...

Senior Data Engineer: Data Platform DevOps & Architecture

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
practices Container orchestration (Kubernetes/AKS) experience beneficial Event-driven architectures and API integration patterns Monitoring and alerting with Azure Monitor and Log Analytics Performance tuning and cost optimisation Git version control proficiency Governance, Compliance & Security Strong understanding of information security requirements Experience with Microsoft Purview or similar ...

Senior SQL Server DBA — Hybrid Manchester, Azure & HA/DR

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Server DBA responsible for the design, administration, optimisation, and support of mission-critical database platforms within a regulated financial services environment. Ensures high availability, performance, security, and compliance across production systems. Key Responsibilities Administer and support Microsoft SQL Server environments (on-prem and cloud/Azure) Manage installation, configuration … patching, and upgrades of SQL Server instances Monitor database performance and carry out tuning, optimisation, and capacity planning Implement and maintain high availability and disaster recovery solutions (e.g. Always On, clustering, backups) Troubleshoot and resolve production issues, ensuring minimal downtime and service impact Design and maintain backup, recovery ...

Neo4j Platform Consultant

Hiring Organisation
NTT DATA
Location
London, UK
graph platforms/database engineering)Role OverviewWe are seeking a Neo4j Platform Engineer to build and manage the Neo4j infrastructure layer, ensuring high availability, performance, and secure access to enterprise knowledge graphs.This role is responsible for cluster configuration, performance tuning, and access control, enabling scalable and reliable … backup, restore, and disaster recovery processesPerformance OptimizationTune and optimize Cypher queries for production workloadsOptimize graph traversal patterns for Graph RAG use casesIdentify and resolve performance bottlenecks in large-scale graph environmentsBenchmarking & ScalabilityDesign and execute query performance benchmarks at scaleMonitor system performance and ensure high throughput ...

Tech Lead - Optimisation Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ambiguous problem statements, and define measurable outcomes and acceptance criteria. Collaborate with OR/optimisation experts to integrate solvers (e.g. Gurobi) and ensure model performance, correctness, explainability, and maintainability. Establish strong engineering practices: code review, automated testing, CI/CD, release management, incident response, and post‐incident learning. Build … observability into optimisation services (KPIs, logs, traces) and manage performance tuning (latency, throughput, cost) across environments. Contribute hands‐on when needed (prototyping, critical‐path coding, reviews), while primarily enabling the team to deliver consistently. Required Qualifications Proven experience leading a software engineering team delivering production‐grade systems, with ...

Oracle Site Reliability Engineer

Hiring Organisation
Appcast
Location
Knutsford, Cheshire, UK
techniques, automation, and best practices in incident response, to ensure the reliability, availability, and scalability of the systems, platforms, and technology through them. AccountabilitiesAvailability, performance, and scalability of systems and services through proactive monitoring, maintenance, and capacity planning.Resolution, analysis and response to system outages and disruptions, and implement measures … incidents from recurring.Development of tools and scripts to automate operational processes, reducing manual workload, increasing efficiency, and improving system resilience.Monitoring and optimisation of system performance and resource usage, identify and address bottlenecks, and implement best practices for performance tuning.Collaboration with development teams to integrate best practices for reliability ...

.NET Technical Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
security and code quality. Leverage Azure services (App Services, Functions, Container Apps, SQL, etc.) for cloud‐native application development and deployments. Manage Azure deployments, performance tuning, and basic cloud administration tasks to ensure scalability and reliability. Collaborate with stakeholders and cross‐functional teams to align technical solutions with … lifecycle management. Skilled in Azure SQL Server with deep hands‐on experience in writing complex Stored Procedures, Triggers, and Views, along with strong application performance optimization expertise. Cloud experience in Azure App Services, Azure Functions, Azure Container Apps, and deployments, with exposure to basic cloud administration. Knowledge of microservices ...

Java Developer

Hiring Organisation
Matchtech Mobility
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£540 - £640 per day
/CD delivery processes and automated deployment pipelines. Produce and maintain technical documentation where required. Troubleshoot production issues and contribute to application stability, performance, and reliability. Contribute to continuous improvement and software engineering best practices. Essential Skills & Experience Proven experience as a Java Developer, Backend Developer, or Full Stack … Kubernetes. Monitoring and observability tooling. Large-scale enterprise application development. Consulting or client-facing project delivery. Secure coding practices and application security principles. Application performance tuning and optimisation. Working within complex transformation programmes. Key Competencies Java Development Backend Engineering API Development Software Design Agile Delivery Problem Solving Technical ...