1 to 25 of 113 Performance Tuning Jobs in the UK

Senior Database Administrator Leading Financial

Hiring Organisation
Stream Search Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
ownership of a diverse database estate supporting critical trading and operational systems within a leading financial exchange technology environment. Youll be responsible for database performance, availability, security, upgrades, backups, recovery and migrations , while working closely with developers and infrastructure teams. Key Responsibilities Own and manage the database environment. Ensure … high availability, performance, reliability and security. Performance tuning, monitoring and troubleshooting. Manage upgrades, patching, backups and recovery. Support schema design, SQL optimisation and integrations. Manage database access, permissions and compliance. Act as the escalation point for database issues. Build and optimise SQL queries for Grafana and reporting. ...

Senior Performance Support Specialist

Hiring Organisation
Unit4
Location
Greater London, United Kingdom
Employment Type
Full Time
people by providing them with the right tools to achieve the autonomy they need - it's what makes us unique Key Tasks and Responsibilities Performance tuning of Unit4 Financials by Coda Pre and Post Go Live. Troubleshoot performance issues across new implementations (Project) and existing implementations … Unit4 Financials by Coda, this includes Technical and Application aspects. Develop enhanced, proactive monitoring, detection and remediation of performance issues. Develop proactive, continuous performance tuning and processes to maintain optimal performance levels. Comply with the Company's information security requirements and all Company business procedures ...

Lead Data Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

Lead Data Engineer

Location
London, United Kingdom
Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

Lead Data Engineer

Location
Westminster, West End, United Kingdom
Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

PostgreSQL Specialist (SC Cleared)

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
standard for how the programme logs, audits and recovers its data. Key Responsibilities Investigate data incidents, such as unexpected changes, deletions, corruption, performance failures and suspected misuse, and establish the root cause. Reconstruct events using transaction logs, WAL archives, point-in-time recovery (PITR), audit logs and replication streams. … Advise on audit and logging design (for example pgaudit and database activity monitoring) so future incidents can be traced. Support live incident response, including performance tuning and fault finding on production databases. Review backup, disaster recovery, replication and archiving arrangements. Support database migrations and upgrades, including near-zero ...

Platform Engineering Specialist - Database Infrastructure

Hiring Organisation
TurleyWay Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … technology landscape. This is an opportunity to become a technical authority for database infrastructure, helping shape the future of the database platform whilst improving performance, resilience, scalability and operational efficiency. A selection of your key responsibilities will include administering and optimising large-scale PostgreSQL environments, managing connection pooling ...

PostgreSQL DBA - AWS, Aurora, RDS - REMOTE

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£500 - £525 per day
high-profile public sector project. This role is fully remote and falls inside IR35 . The Role: You will be responsible for managing, tuning, and scaling mission-critical database infrastructure hosted in secure cloud environments. Working closely with engineering and DevOps teams, you will ensure optimal performance, high … availability, and strict adherence to government security standards. Core Responsibilities: Design, configure, and manage PostgreSQL, Amazon Aurora, and Amazon RDS instances. Drive database performance tuning, slow query troubleshooting, and proactive monitoring. Execute schema updates, migrations, and engine upgrades safely within cloud ecosystems. Support disaster recovery, backup protocols ...

Principal Database Administrator Fully Remote

Hiring Organisation
Interact Consulting Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
market-leading SaaS platform 24x7. This is a true player-coach role: you'll set the long-term database strategy and standards, improve reliability, performance, and security across the estate, and line-manage and develop our existing DBA team. You'll be the senior technical authority for database architecture … strategy, standards, and roadmap for the database function across SQL Server, Azure SQL, and Cosmos DB. Get hands-on with a live production estate: performance tuning, configuration, backups, restores, disaster recovery, incident response, and release support. Right-size and optimise Azure SQL deployments across General Purpose, Business Critical ...

DBA Specialist

Hiring Organisation
Sanderson Government and Defence
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Contract
within a secure environment, managing and optimising large-scale, mission-critical database platforms that underpin essential services. You'll be responsible for database administration, performance tuning, backup and recovery, security management, high availability, and disaster recovery across enterprise environments. Working alongside technical specialists, you'll help ensure database … availability while driving automation and operational improvements. Key skills and experience: Strong DBA experience across Oracle, SQL Server, PostgreSQL, MySQL, or MongoDB Database performance tuning, optimisation, and troubleshooting expertise Experience with high availability, replication, backup, and disaster recovery solutions Strong SQL knowledge and experience working within Linux ...

Principal SQL Server DBA - Fully remote

Hiring Organisation
Interact Consulting Limited
Location
Guildford, Surrey, South East, United Kingdom
Employment Type
Permanent, Work From Home
doing: Lead the strategy, standards and roadmap for 300+ production databases, predominantly SQL Server hosted on Azure. Provide hands-on database administration, performance tuning, monitoring and troubleshooting. Own backup, restore and disaster recovery processes, ensuring reliability and resilience. Optimise database performance, configuration, deployment processes and cost efficiency. … including deployment tiers and migration strategies. Proven ability to define database standards, strategy and long-term technical direction. Experience managing backups, disaster recovery, performance tuning and production releases in a 24/7 environment. ...

SAP Basis Specialist

Hiring Organisation
Guidant Global
Location
Filton, Gloucestershire, United Kingdom
Employment Type
Contract
functional technical teams, functional consultants and global business stakeholders within an Agile/Scrum framework. Your focus will be on maximum system availability, strong performance and strict adherence to security and compliance standards. What You'll Be Doing System Administration and Landscape Operations Managing full-lifecycle SAP Basis support … stability Implementing technical system changes, and planning Support Packages (SPS), Enhancement Packages (EHP) and system patches in line with Change Advisory Board (CAB) standards Performance Tuning and Infrastructure Carrying out in-depth root cause analysis (RCA) and performance tuning across ABAP, Java and database layers (ST04 ...

SAP Basis Specialist

Hiring Organisation
Guidant Global
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£88,051
functional technical teams, functional consultants and global business stakeholders within an Agile/Scrum framework. Your focus will be on maximum system availability, strong performance and strict adherence to security and compliance standards. What You'll Be Doing System Administration and Landscape Operations Managing full-lifecycle SAP Basis support … stability Implementing technical system changes, and planning Support Packages (SPS), Enhancement Packages (EHP) and system patches in line with Change Advisory Board (CAB) standards Performance Tuning and Infrastructure Carrying out in-depth root cause analysis (RCA) and performance tuning across ABAP, Java and database layers (ST04 ...

SAP Basis Specialist

Hiring Organisation
Belcan
Location
Filton, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
£45/hour
closely with cross-functional technical teams, functional consultants, and global business stakeholders within an Agile/Scrum framework to ensure maximum system availability, optimal performance, and strict adherence to security and compliance standards. Key Responsibilities System Administration & Landscape Operations Manage full-lifecycle SAP Basis Support operations, including daily administration … stability. Implement technical system changes, plan Support Packages (SPS) and Enhancement Packages (EHP), and system patches in alignment with Change Advisory Board (CAB) standards. Performance Tuning & Infrastructure Perform in-depth root cause analysis (RCA) and performance tuning across ABAP, Java, and Database layers (ST04, ST03N, ST22 ...

Graph Database Expert/Architect - Neo4j (Azure)

Hiring Organisation
Initialize IT
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
unstructured sources into entities, relationships, and traversable knowledge graphs. - Establish an operations framework on Azure: ingestion pipelines, schema versioning, monitoring, backup/HA, security, performance tuning, and deployment standards. - Deploy and operate Neo4j on Azure (AuraDB or Azure VM/container-based Neo4j), integrating with Azure AI Search … recommendations. *Must-have skills:* Neo4j, Cypher, graph modelling/ontology, Graph Data Science, vector search, multi-hop querying, Python, Azure data/AI services, performance tuning, and Azure cost optimization. *Nice-to-have:* GraphRAG, LLM orchestration, knowledge-graph extraction, Azure DevOps, enterprise data governance, and FinOps. ...

Graph Database Expert & Architect - Neo4j (Azure)

Hiring Organisation
AxiaMetrics LLP
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 420 Daily
unstructured sources into entities, relationships, and traversable knowledge graphs. - Establish an operations framework on Azure: ingestion pipelines, schema versioning, monitoring, backup/HA, security, performance tuning, and deployment standards. - Deploy and operate Neo4j on Azure (AuraDB or Azure VM/container-based Neo4j), integrating with Azure AI Search … recommendations. *Must-have skills:* Neo4j, Cypher, graph modelling/ontology, Graph Data Science, vector search, multi-hop querying, Python, Azure data/AI services, performance tuning, and Azure cost optimization. *Nice-to-have:* GraphRAG, LLM orchestration, knowledge-graph extraction, Azure DevOps, enterprise data governance, and FinOps. ...

Site Reliability Engineer / Production

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
level all key system flows, the services, partners, and teams in play, and how to actively debug an incident. Lead reliability engineering: resilience patterns, performance tuning, capacity planning. Facilitate post-incident reviews and track actions to completion. Use AI tools for automated alert correlation, root cause analysis … observability tools, alerting, logging, and distributed systems debugging. Experience managing and working with offshore support teams. Hands-on experience with reliability engineering: resilience patterns, performance tuning, capacity planning. Active use of AI tools for incident triage, automation, and runbook generation. Ability to understand complex system flows across multiple ...

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency and execution speed are critical … trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments, and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies and deliver measurable improvements in trading ...

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates
Location
EC2N, Broad Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£150000 - £170000/annum Circa 40-80% Bonus + Bens
side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency and execution speed are critical … trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies and deliver measurable improvements in trading ...

Senior SQL DBA

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£65,000
Senior SQL Server DBA - Performance & AWS Location: Birmingham - On-site Salary: £60,000-£65,000 Job Type: Full-Time, Permanent No Sponsorship available must be UK based The Opportunity We're working with an established organisation seeking an experienced Senior SQL Server Database Administrator (DBA) to take ownership … database performance, reliability and optimisation across its AWS environment. This is an excellent opportunity for a hands-on SQL specialist to become the primary technical owner of database administration and performance, with responsibility for identifying issues, improving scalability and ensuring critical systems operate efficiently. You'll work closely ...

Senior Data Plaform Engineer

Hiring Organisation
Aker Systems Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve … workloads. Use Infrastructure as Code to create repeatable and maintainable environments. Support Docker and Kubernetes-based platform environments. Monitor platform services and investigate failures, performance issues and operational problems. Participate in incident investigation and root cause analysis . Support platform performance, scalability, resilience and availability improvements. Contribute ...

Senior SQL Server Database Developer

Hiring Organisation
Hanson Regan Ltd
Location
Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 Annual
maintain complex T-SQL, including stored procedures, functions, views and queries. Design effective database structures, data models, relationships and indexing strategies. Optimise SQL Server performance through query tuning, execution plans and indexing. Support Legacy application and database migration and modernisation projects. Develop and maintain data integrations between applications … databases and internal systems. Investigate and resolve database performance, data integrity and production issues. Take ownership of the full database development life cycle, from specification and design through to testing, deployment, documentation and support. Work closely with software developers, manufacturing teams and business stakeholders to deliver effective data solutions. ...

Java Low Latency Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
days from office) Long term contract position Role Overview We are looking for an experienced Java Low Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. The ideal candidate will have experience building event-driven, concurrent systems designed … latency and high-frequency environments Required Skills & Experience Strong Core Java and JVM performance tuning expertise. Excellent knowledge of Data Structures and Algorithms. Experience with concurrency, multithreading, and low-latency system design. Knowledge of GC, JNI, Java Unsafe, and JNR-FFI. Strong understanding of CPU architecture, shared memory ...

Lead Oracle Data Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
secure and complex environment. The successful candidate will be responsible for designing, building, optimising and maintaining scalable data solutions, ensuring the availability, integrity and performance of enterprise data platforms. Key Responsibilities Design, develop and maintain Oracle-based data solutions and data pipelines. Build and optimise ETL/ELT processes … requirements. Develop and maintain Oracle databases, schemes, stored procedures, functions and packages. Ensure data quality, governance, security and compliance across all data assets. Troubleshoot performance issues and implement database tuning and optimisation strategies. Collaborate with architects, developers and business stakeholders to deliver data-driven solutions. Support cloud ...

Senior C++ FIX Protocol & Exchange Connectivity Engineer

Hiring Organisation
Templeton and Partners
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
will design, develop, and optimise software that connects directly to exchanges using industry-standard trading protocols. You'll be responsible for ensuring reliable, high-performance exchange connectivity whilst contributing to the development and enhancement of automated trading systems. Key ResponsibilitiesFIX Protocol & Exchange Connectivity Design, develop, and maintain exchange connectivity … WebSocket, and HTTP APIs Develop and support market data handlers, order gateways, and order routing systems Optimise exchange communications through techniques such as network tuning, TLS optimisation, and low-latency connectivity improvements Research exchange-specific behaviour and protocol requirements to ensure optimal performance and compliance Integrate and enhance ...