376 to 400 of 409 Performance Tuning Jobs in the UK

Principal Enterprise Data Architect

Location
Welwyn, England, United Kingdom
Resolves semantic ambiguity and structural conflicts across diverse business units to create a cohesive, single source of truth. Ensures data structures are optimized for performance, scalability, security, and cost-efficiency. Stakeholder Management: Liaises directly with senior leadership, product owners, and business analysts to translate business strategy into technical data … modeling tools. Mastery of multiple modeling paradigms, e.g. Relational, Dimensional, and NoSQL/Document modeling. Advanced knowledge of database optimization, indexing strategies, and query performance tuning. Additional Qualifications: Exceptional Stakeholder Management: Ability to act as a key advisor and translate complex technical architecture into clear business outcomes ...

SQL Analytics Engineer (AI-Enabled, Databricks) - Software

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£350 - £450 per day
delivery while maintaining high standards of quality and accuracy. You'll play a key role in enhancing existing analytics solutions, troubleshooting data issues, optimizing performance, and identifying opportunities to improve the efficiency of the wider data environment. The ideal candidate combines advanced SQL expertise with strong analytical thinking … analytics and reporting solutions across a large-scale data environment. Deliver incremental improvements to existing datasets, reports, dashboards, and data workflows. Investigate data issues, performance bottlenecks, and process inefficiencies. Work closely with senior engineers to troubleshoot, prioritise, and resolve technical challenges. Optimise SQL queries and data processes to improve ...

SQL Analytics Engineer (AI-Enabled, Databricks) - Software

Hiring Organisation
Salt Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£350.00 - £450.00 per day
delivery while maintaining high standards of quality and accuracy. You'll play a key role in enhancing existing analytics solutions, troubleshooting data issues, optimizing performance, and identifying opportunities to improve the efficiency of the wider data environment. The ideal candidate combines advanced SQL expertise with strong analytical thinking … analytics and reporting solutions across a large-scale data environment. Deliver incremental improvements to existing datasets, reports, dashboards, and data workflows. Investigate data issues, performance bottlenecks, and process inefficiencies. Work closely with senior engineers to troubleshoot, prioritise, and resolve technical challenges. Optimise SQL queries and data processes to improve ...

Lead Data Engineer

Hiring Organisation
FBI &TMT
Location
London, United Kingdom
Employment Type
Permanent
closely with AI and backend engineering teams to support model training, inference, and product development. Implement monitoring, observability, and data quality frameworks. Optimise the performance of large-scale datasets, data warehouses, and query systems. Contribute to technical architecture decisions and long-term data strategy. Mentor engineers and help establish … Polars Engineering Skills: Experience building highly scalable backend systems. Strong understanding of data modelling and storage architecture. Deep knowledge of data processing, optimisation, and performance tuning. Experience implementing reliable and maintainable data engineering practices. Nice to Have: Experience with JavaScript and Node.js. Experience working on AI, machine learning ...

Senior Private Cloud Engineer

Hiring Organisation
ARM
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
engage with infrastructure and platform teams to support frictionless workflows for our end users. Contribute to 24/7 platform reliability, scalability and performance tuning. Required Skills and Experience: Experience with Linux systems. Hands-on experience with Terraform/Ansible or other IaC tools. Experience of working … during the recruitment process. Hybrid Working at ArmArm's approach to hybrid working is designed to create a working environment that supports both high performance and personal wellbeing. We believe in bringing people together face to face to enable us to work at pace, whilst recognizing the value ...

Senior Engineer, Trading Product Engineering

Location
Greater London, England, United Kingdom
provides market infrastructure and information services. These include: **Bullish** **Exchange** – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong … Gibraltar. **CoinDesk** **Indices** – a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries. **CoinDesk** **Data** - a broad suite of digital assets market data and analytics, providing real-time insights into ...

VP, Trading Systems Developer

Hiring Organisation
Galaxy Digital
Location
London, UK
Employment Type
Full-time
investors and creators energize the global economy. We are looking for individuals who thrive in a culture of builders and overachievers and embrace high performance, transparent feedback, and a mission-first approach. Our culture shapes our way of working and gets us where we want to be. Seek Excellence. … This role sits at the intersection of software engineering and infrastructure, with a primary objective of minimizing latency, maximizing throughput, and ensuring deterministic performance across critical trading workflows. We are looking for a Trading Systems Engineer to design and build high performance trading systems in support of market ...

Mainframe Datacom Engineer (Spanish Speaking Preferred)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £570/day
successful candidate will work closely with application development teams, infrastructure engineers, database administrators, and regional stakeholders to ensure the stability, security, resilience, and performance of Datacom-based solutions. Given collaboration with teams across Spain and Latin America, Spanish language skills are highly desirable. This role presents an exciting opportunity … Responsibilities: Database Administration & Support: Administer and maintain Broadcom Datacom databases within a z/OS environment. Perform database provisioning, configuration, monitoring, capacity planning, and performance tuning. Execute database backup, recovery, reorganisation, and maintenance activities using Datacom utilities. Monitor database availability and proactively resolve performance and operational issues. Support ...

SQL DBA Lead

Hiring Organisation
eTeam
Location
Manchester Area, United Kingdom
Azure and on-prem Microsoft SQL Server and MySQL environments. The role supports enterprise-level database operations across production, UAT, and development environments, ensuring performance, availability, and security. This role will be based full time in the Manchester secure room. Key Responsibilities Administer and maintain MS SQL and MySQL … databases, including clustering, replication, backups, and performance tuning. Provide third-line support and resolve incidents via call management systems. Perform planned releases, patching, and upgrades across environments. Monitor and optimise database performance, including space management and alert log checks. Mentor junior DBAs and contribute to knowledge sharing across ...

SQL DBA

Hiring Organisation
Experis
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
Azure and on-prem Microsoft SQL Server and MySQL environments. The role supports enterprise-level database operations across production, UAT, and development environments, ensuring performance, availability, and security. This role will be based full time in the Manchester secure room. Key Responsibilities Administer and maintain MS SQL and MySQL … databases, including clustering, replication, backups, and performance tuning. Provide third-line support and resolve incidents via call management systems. Perform planned releases, patching, and upgrades across environments. Monitor and optimise database performance, including space management and alert log checks. Mentor junior DBAs and contribute to knowledge sharing across ...

Database Administrator/ DBA

Hiring Organisation
Experis
Location
Telford, Shropshire, United Kingdom
Employment Type
Permanent
Salary
£400 - £460/day
Location: Telford - 2 days on site per week Clearance Required: SC cleared Role Summary As a Database Administrator, you will be responsible for the performance, integrity, and security of the databases in our organization. You will ensure that data remains consistent, accessible, and secure across the database systems. Collaborating … solutions that meet the organization's needs. Key Responsibilities Database Maintenance and Monitoring: * Install, configure, and maintain database management systems (DBMS) software. * Monitor database performance and ensure efficient operation. * Troubleshoot and resolve database-related issues in a timely manner. * Perform regular backups and ensure data recovery capabilities. Database Security ...

Oracle DBA Lead

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements. With more than … migration, validation and cutover of Oracle data. Translate designs into operations; assure integration with the wider platform. Resolve Oracle platform problems and support performance/scalability testing. Support governance approvals and transition to BAU. Skills We Cant Do Without: 5+ years of Oracle DBA experience with strong expertise ...

Lead Software Engineer - LLM Ops Platform Reliability

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
site reliability practices to cutting-edge AI platforms. You'll work hands-on with cloud and Kubernetes-based deployments, deep observability, and cost-aware performance tuning. If you enjoy solving hard production problems and making platforms measurably better, you'll find meaningful impact and growth here. As a Lead … will build and scale AI infrastructure that modernizes traditional infrastructure management and site reliability engineering through applied AI. You will own the reliability, performance, and cost-efficiency of the LLM inference platform end to end. You will operate large language model serving stacks (such as vLLM ...

Lead Site Reliability Engineer

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
multi‐year convergence and modernization journey. You will play a pivotal role in shaping our next‐generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast‐paced front‐office environments, enjoys direct … software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including automated remediation, self healing workflows, and resilience engineering. ...

Lead Site Reliability Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
multi year convergence and modernization journey. You will play a pivotal role in shaping our next generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast paced front office environments, enjoys direct … software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including automated remediation, self healing workflows, and resilience engineering. ...

Security Analytics Engineer

Hiring Organisation
Sony Interactive Entertainment America
Location
London, UK
Employment Type
Full-time
security signals into trusted, analytics-ready data. Presentation-layer engineers own most visualization delivery, so your primary contribution is the reliability, structure, and performance of the data layer, including keeping it running day to day. This is a technical, individual contributor role. You will solve moderately complex problems with … verbal communication about data and technical tradeoffs. Some travel may be required. Desired qualificationsAdvanced Snowflake features, such as tasks, streams, dynamic tables, and performance tuning. Experience with dbt or a similar transformation and modeling framework. Experience automating data workflows or building AI-ready or AI-enabled data products. Working ...

Data Engineering Lead (SVP)

Location
Belfast City District, Northern Ireland, United Kingdom
this role is to lead applications systems analysis and programming activities. Proven leadership in building and scaling enterprise data services, driving cloud transformation, optimising performance, capacity, and delivering AI enabled operational and analytics platform.**Responsibilities:*** Lead the design, engineering and delivery of next generation cloud data services supporting data … issues with transparency.**Skills & Experience****Essential**Proven in-depth commercial experience in the following key areas:* Databricks – Lakehouse architecture, Spark, Delta Lake, workflows and performance tuning.* Apache Spark & Scala – High-performance distributed data processing and optimisation.* Cloud Data Engineering (AWS) – Cloud-native data platforms and distributed computing.* Data ...

Staff Software Engineer — Runtimes Performance

Hiring Organisation
ARM
Location
Cambridge, Cambridgeshire, UK
Employment Type
Full-time
Overview: We are looking for an experienced performance engineer who is passionate about developing compilers and managed runtimes and loves open-source software. In this role you will be working on improving the performance of managed language workloads on Arm architecture by improving the language runtime/compiler … source communities to tackle challenges in enabling the future of computing! Responsibilities: Identify and implement changes to compilers and managed runtimes to improve the performance of selected workloads and better support Arm architectural features and CPU designs.‎Identify bottlenecks in led language workloads/benchmarks using profiling tools. Collaborate with ...

SQL Database Developer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
will report to the Head of Data. In this role you will have a number of responsibilities, from writing SQL queries to performance tuning. You will be involved in restructuring and improving the efficiency the database and applying security measures throughout the process. As a SQL Database Developer … must have: Microsoft SQL Server 2012 experience if not then 2008SSRS, SSISExperience Database tuning, administration, management and securityStrong understanding of relational databases. Experience with client-server computingExperience of data processing techniquesExperience working in a team environmentGood documentation skillsAdditional skills (desirable, but not essential):Basic programming skills in OO languages ...

Infrastructure Engineer-Hyper-V

Hiring Organisation
NEEV LIMITED
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day 400 - 450 GBP/day InsideIR35
Required Technical Skills Site Reliability Engineering Strong understanding of Site Reliability Engineering principles and operational excellence. Experience with infrastructure reliability, service availability, resiliency, and performance optimization. Storage Space Direct a nd failover clustering technical expertise . (Storage Spaces Direct enables you to build highly available, software-defined storage … critical infrastructure environments with high availability requirements. Experience with incident management, problem management, RCA, and continuous operational improvement. Knowledge of monitoring, observability, alerting, and performance management. Microsoft Hyper-V (Core Expertise) Deep hands-on expertise in Microsoft Hyper-V architecture, deployment, administration, troubleshooting, and optimization. Extensive experience in operating ...

Senior Lead Software Engineer - LLM Ops Platform Reliability

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
site reliability practices to cutting-edge AI platforms. You'll work hands-on with cloud and Kubernetes-based deployments, deep observability, and cost-aware performance tuning. If you enjoy solving hard production problems and making platforms measurably better, you'll find meaningful impact and growth here. As a Senior … will build and scale AI infrastructure that modernizes traditional infrastructure management and site reliability engineering through applied AI. You will own the reliability, performance, and cost-efficiency of the large language model inference platform end to end. You will operate large language model serving stacks in production at scale ...

Senior Lead Software Engineer - LLM Ops Platform Reliability

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
site reliability practices to cutting-edge AI platforms. You'll work hands-on with cloud and Kubernetes-based deployments, deep observability, and cost-aware performance tuning. If you enjoy solving hard production problems and making platforms measurably better, you'll find meaningful impact and growth here. As a Senior … will build and scale AI infrastructure that modernizes traditional infrastructure management and site reliability engineering through applied AI. You will own the reliability, performance, and cost-efficiency of the large language model inference platform end to end. You will operate large language model serving stacks in production at scale ...

Principal Product Manager - ClickHouse Cloud

Hiring Organisation
ClickHouse
Location
United Kingdom, UK
Employment Type
Full-time
marketing, operations, and sales teams to support feature launches, contribute to blog posts, and help shape product positioning and messaging. Define and track key performance indicators (KPIs) to measure product success. Act as the primary point of contact for all product-related communications, effectively managing expectations and keeping stakeholders … systems, or real-time analytics platforms is strongly preferred. Hands-on experience with SQL and strong understanding of query execution, indexing strategies, partitioning, and performance tuning. Experience working with databases such as ClickHouse, PostgreSQL, MySQL, Snowflake, BigQuery, Redshift, or other columnar databases. Understanding of modern data infrastructure: data lakes ...

Lead Site Reliability Engineer

Location
Greater London, England, United Kingdom
multi‐year convergence and modernization journey. You will play a pivotal role in shaping our next‐generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast‐paced front‐office environments, enjoys direct … software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including automated remediation, self‐healing workflows, and resilience engineering. ...

C# .NET developer

Hiring Organisation
Technify Talent
Location
Greater Oxford Area, United Kingdom
building high-quality, maintainable software. You’ll be involved in developing new functionality, improving existing solutions and helping to ensure the continued reliability and performance of the systems. A strong background in C#, .NET, MVC and Web APIs is essential, alongside good SQL Server experience. The role As part … JavaScript, jQuery, Bootstrap and CSS experience. Strong Microsoft SQL Server experience, including: Writing stored procedures. Mapping business processes to database schemas. Query optimisation and performance tuning. Ideally 5+ years' commercial SQL Server experience. A strong understanding of object-oriented programming. The ability to write well-structured, maintainable and reliable ...