76 to 100 of 499 Performance Tuning Jobs in the UK

KDB Application Technology Lead Analyst (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
Applications Development Technology Lead Analyst (KDB Lead Developer) is a senior-level technical leadership role responsible for architecting, establishing, and implementing high-performance, low-latency tick and time-series data systems. This role leads the design, development, optimization, and support of real-time and historical KDB+/q architectures … throughput feedhandlers, APIs, and microservices interfacing KDB+ with upstream messaging fabrics (e.g., Kafka, Solace, LBM/29West, ZeroMQ) and downstream consumer platforms. Develop high-performance C/C++ or Python shared libraries (embedPy, PyQ, C API) for real-time analytics, machine learning integration, or proprietary calculation engines. Oversee ...

Principal Data Scientist - Optimisation Engineering

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 (people ...

Senior Database Developer

Location
Greater London, England, United Kingdom
Technology in London, we are looking for a senior database developer with strong data architectural skills to take ownership of the design, integrity, and performance of the data platform that powers Credit Benchmark’s products. The majority of our development team is based in Bangalore … suite of products Experience in analyzing and troubleshooting production database issues using Redgate monitoring/logs, with strong root‐cause analysis and performance diagnostics skills Analyse, design, and implement database solutions for given business and technical problems Enhance existing backend data platforms to deliver new business requirements Maintain existing ...

Analytics Engineer

Location
Greater London, England, United Kingdom
remit Help us modernise: we’re actively evolving this stack and expect you to challenge and improve it, not just operate it Warehouse cost & performance Own the performance and cost profile of our Redshift warehouse — you should be able to read a query plan, choose sensible sort … from scratch Nice‐to‐haves Airflow or similar orchestration tools, and familiarity with data ingestion tools such as dlt or Airbyte Warehouse cost and performance tuning, particularly on Redshift Fintech, investment management, or another regulated industry Handling PII responsibly in an analytics environment — sanitised vs. restricted datasets, role ...

Data Engineer

Hiring Organisation
Jacobs
Location
Manchester, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Python and cloud-native orchestration services Implement data quality checks, validation processes, monitoring and logging to ensure trusted and reliable data delivery Support the performance tuning and optimisation of data pipelines, SQL workloads and integration services Work with AWS services such as S3, Glue, Lambda, Athena and Step ...

Senior Network Engineer

Location
Banbury, England, United Kingdom
designee and is based in Banbury, UK.This position is the technical owner of Haas F1 Team's global networking estate, accountable for its availability, performance, security and continuous improvement. Acting as the design authority and senior escalation point for networking, the role ensures the network reliably underpins critical race … secure remote connectivity.* Maintain, optimise and secure network and security infrastructure, including routing, switching, firewalls, VPN, load balancing and network access control, ensuring performance, capacity, patching, resilience, backup and tested disaster recovery.* Embed secure-by-design principles and security controls into all network architecture and changes as standard, working ...

Senior Infrastructure Engineer

Location
Greenock, Scotland, United Kingdom
PostgreSQL Database Administrator (DBA) to support mission-critical production and non-production environments. This role is responsible for database and application administration, monitoring, performance tuning, maintenance, security, backup and recovery, automation, and high-availability solutions across a global enterprise environment. The ideal candidate has hands-on expertise with … Oracle EBS R12.2, Oracle Database 19c, PostgreSQL, troubleshooting, performance optimization, and operational support. The position requires close collaboration with application, infrastructure, security, and geographically distributed DBA teams. Principal Duties and Responsibilities Oracle EBS and Oracle Database Administration Manage, monitor, and maintain Oracle E-Business Suite R12.2 production ...

Senior Data Engineer

Hiring Organisation
Clearwater People Solutions
Location
Guildford, Surrey, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Plus Benefits
design, build, and optimisation of data architectures, models, warehouses, and data lake solutions that support reporting, analytics, and AI initiatives. Ensure solutions meet performance, scalability, and reliability standards across legacy and modern cloud platforms. Monitor and tune system, pipeline, and query performance. Continuously refine pipelines to enhance efficiency, reduce … control (Git) and the DevOps methodology. Ability to design, maintain, and optimise scalable ETL/ELT pipelines. Ability to troubleshoot complex data issues, monitor performance, and implement automated solutions. Strong analytical and problem-solving capabilities with an emphasis on performance tuning and scalability. Please apply as directed ...

Lead Software Developer

Hiring Organisation
scrumconnect ltd
Location
Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 Annual
Government Digital Service (GDS) standards and accessibility requirements. This is a hands-on technical leadership role operating within structured and governed environments where security, performance, accessibility, reliability, and scalability are critical to service success. The role will support the development of a modern digital system that enables secure, reliable … build-vs-buy decisions in collaboration with the Technical Architect. Identify appropriate tooling, frameworks, and technical approaches across a wide range of systems. Lead performance optimisation activities, including database query tuning and optimisation of application-level caching using existing framework capabilities. Oversee the design, monitoring, and optimisation ...

Head of Data

Location
Manchester, England, United Kingdom
benefits. Provide leadership on data architecture, platform selection, build-versus-buy decisions and the responsible adoption of emerging technologies. Define measurable service levels and performance indicators for data quality, platform reliability, delivery, adoption and business value. Represent Data and AI in senior leadership discussions and communicate complex technical topics … self‐service capability so teams can access trusted information without creating competing versions of the truth. Partner with stakeholders to define KPIs, investigate performance, understand customer behaviour and identify commercial opportunities. Guide the transition from reactive reporting toward proactive insight, forecasting, exception monitoring and decision support. Maintain oversight ...

Software Engineer - DevOps

Location
Glasgow, Lanarkshire, United Kingdom
build solutions and break down complex technical problems. Develop secure, high-quality production code; review and debug code written by others to ensure reliability, performance, and maintainability. Drive team adoption of enterprise-authorized AI-assisted engineering practices to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted … Aurora) and MongoDB; ability to write automation/operations scripts in Python and Bash. Databricks experience including Spark, Delta, notebooks, workflows/jobs, and performance tuning; familiarity with GraphQL. Provide technical support during software development, including debugging environment-specific issues and partnering with development teams to resolve them. ...

Finance Data Engineer (Senior Manager)

Location
Greater London, England, United Kingdom
will work with complex enterprise data, mission-critical processes and high-impact decisions, using AI, data and engineering to reshape how organisations plan, control performance and allocate resources. The opportunity goes beyond building technically strong solutions: you will see how those solutions influence cash, profitability, risk and business growth … tokenisation, retention, tenant isolation and audit logging. Apply software and DataOps practices including Git, automated testing, CI/CD, infrastructure as code where relevant, performance tuning, cost optimisation and production support. Collaborate with finance SMEs, data owners, architects and governance teams to agree definitions, resolve data issues ...

Senior Systems Specialist (ERP) - Middlesbrough

Location
Tees Valley, England, United Kingdom
layers, bespoke extensions, integrations, batch services, reporting and downstream data products. Define technical standards for configuration versus customisation, extension patterns, environment topology, supportability, resilience, performance, observability, security and data privacy. Govern enterprise versus local design decisions, ensuring justified country-specific requirements are accommodated without creating uncontrolled divergence or unnecessary … including controlled transition from legacy AX/NAV estates to BC and/or F&O where this is the approved target architecture. Operations, Performance & Problem Management Own ERP operational health and service targets, using application telemetry, SQL/database diagnostics, batch monitoring, integration logs and platform monitoring ...

Senior Data Platform Engineer

Location
Greater London, England, United Kingdom
using services such as Dataflow, Dataproc, Pub/Sub, and Cloud Composer. Architect data lake, data warehouse, and lakehouse solutions, including data modeling and performance tuning in BigQuery. Provision and manage data infrastructure using Terraform and CI/CD pipelines. Implement data governance, lineage, quality, and cataloging frameworks … client requirements. Apply security best practices across data environments, including IAM, encryption, KMS, data masking, and access controls. Monitor, troubleshoot, and resolve platform performance, reliability, and data quality issues. Collaborate with client teams, architects, and internal stakeholders to translate business needs into technical solutions. Mentor engineers, contribute to technical ...

Data Engineer x 3

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £460/day
data between legacy and modern SAS environments. You will work closely with SAS Developers, Architects, Business Analysts and Test teams to ensure data integrity, performance, security and quality throughout the migration. Key Responsibilities Design and develop ETL/data pipelines to support migration to SAS Viya 4. Build … 9.4 and/or SAS Viya 3.x/4 SQL and Python AWS Docker and Kubernetes ETL, data migration and transformation Data modelling and performance tuning CI/CD and DevOps Large-scale data engineering environments Desirable SAS or AWS Data Engineering certification Experience within government or another ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
Mill Hill, Dumfriesshire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 85,000 Annual
Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You ll Need 5+ years of backend development experience Strong .NET and C# skills for API development ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You’ll Need 5+ years of backend development experience Strong .NET and C# skills for API development ...

Senior Java Engineer - Low Latency - Contract - London Hybrid - £600pd via umbrella

Hiring Organisation
Robson Bale Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 Daily
Hybrid - £600pd via umbrella 3 days per week on site £600 per day via umbrella 12 month contract Responsibilities Design, develop and maintain high-performance, ultra-low-latency trading applications and market data distribution systems Build and support pricing tick infrastructure, pricing streams and pricing execution components Deliver … proven low-latency engineering (the primary skill, per Evgen) Low-level memory management, including off-heap and Java Unsafe JNI (Java Native Interface) GC tuning and CPU tuning (for example affinity and pinning) Experience on trading platforms: pricing ticks, pricing streams, order and execution flow Deep Linux knowledge ...

Senior Database Developer

Location
Greater London, England, United Kingdom
growing financial technology business is looking for a Senior Database Developer to join its London technology team and take significant ownership of the design, performance and evolution of its core data platform. This is a hands‐on senior position for someone who has developed deep SQL Server expertise … enterprise‐scale SQL Server solutions Taking ownership of schema design, data modelling and data architecture Optimising complex queries, execution plans, indexes and overall database performance Diagnosing production database issues and conducting root‐cause analysis Developing and maintaining data pipelines using dbt Supporting existing SSIS/SSRS solutions Managing database ...

Data Architect / DBA

Location
Salisbury, England, United Kingdom
Support compliance requirements related to data security, privacy, retention, and auditability. Database Administration Administer, monitor, maintain, and optimise enterprise database environments. Ensure high availability, performance tuning, backup, recovery, and disaster recovery planning. Implement database security controls and access management. Manage database upgrades, patching, and lifecycle maintenance activities. Troubleshoot … resolve database performance and integrity issues. Monitor database capacity planning and growth forecasting. Data Quality & Data Cleansing Lead enterprise data quality improvement initiatives. Assess existing data sources and identify quality issues, duplicates, inconsistencies, and gaps. Develop data cleansing standards, validation rules, and remediation processes. Manage Master Data Management ...

Senior Database Platform Engineer

Location
Greater London, England, United Kingdom
find like‐minded people driving change at Howden. The Role We are looking for a Senior Database Platform Engineer to own the reliability, performance, security and evolution of our database platforms. This is not a traditional ticket‐driven DBA role. While you'll be responsible for keeping … support our transition towards PostgreSQL, cloud‐native database services and modern lakehouse architectures. This is a hands‐on engineering role. You'll be troubleshooting performance issues, validating recovery strategies, automating operational processes, improving observability and helping shape the future of our database estate. You will act as the team ...

Senior Data Analyst

Location
Greater London, England, United Kingdom
stack (Data Factory, Synapse/Fabric, SQL‐based semantic layers). Advanced Power BI: data modelling (star schemas), advanced DAX, Power Query/M, performance tuning, RLS, and deployment via pipelines. Understanding of Power BI engineering discipline: PBIP/TMDL source format, Git‐based version control, pull‐request … experience of these practices in a team. Proven ability to carry out peer review and QA of analytics work – spotting model errors, DAX issues, performance problems and UX weaknesses, and giving constructive feedback. Excellent written and verbal communication skills, including presenting to underwriting and internal stakeholders. Strong stakeholder engagement ...

Senior Site Reliability Engineer

Location
Southampton, England, United Kingdom
systems to manage platform infrastructure and applications Improve reliability, quality, and time-to-market of our suite of software solutions Measure and optimize system performance, with an eye toward pushing our capabilities forward, getting ahead of customer needs, and innovating to continually improve Provide primary operational support and engineering … multiple large distributed software applications How will you make an impact? Gather and analyze metrics from both operating systems and applications to assist in performance tuning and fault finding Partner with development teams to improve services through rigorous testing and release procedures Participate in system design consulting, platform ...

Senior Site Reliability Engineer

Location
Greater London, England, United Kingdom
systems to manage platform infrastructure and applications Improve reliability, quality, and time-to-market of our suite of software solutions Measure and optimize system performance, with an eye toward pushing our capabilities forward, getting ahead of customer needs, and innovating to continually improve Provide primary operational support and engineering … multiple large distributed software applications How will you make an impact? Gather and analyze metrics from both operating systems and applications to assist in performance tuning and fault finding Partner with development teams to improve services through rigorous testing and release procedures Participate in system design consulting, platform ...

Senior Database Specialist

Location
Skipton, England, United Kingdom
future direction of our database and data platform capabilities, ensuring they meet the evolving needs of the organisation while maintaining high standards of governance, performance and operational resilience. At Skipton, we're founded on fairness. We exist to do right by our members - and we believe that starts with … current and future business needs. Leading improvements in database automation, infrastructure as code, deployment pipelines and operational tooling. Driving platform reliability through proactive monitoring, performance optimisation, capacity management and resilience testing. Investigating and resolving complex database incidents, conducting root cause analysis and implementing preventative measures. Establishing and maintaining database ...