251 to 275 of 411 Performance Tuning Jobs in the UK

Data Engineer

Hiring Organisation
Siamo Group Ltd
Location
Cirencester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£35,000
systems and database infrastructure Working closely with a 3rd party database design consultant Build and manage ETL processes and system integrations Monitor database performance, security, and data integrity Consolidate or build data flows Ensure compliance with data governance and GDPR requirements Conducting diagnostics tests Collaborate with IT teams … essential Strong experience with SQL Server, MySQL, or similar relational databases Experience building and maintaining ETL processes and data integrations Knowledge of database performance tuning, security, and backup procedures Understanding of data governance, GDPR, and data management best practices Experience working with APIs and integrating multiple business systems ...

Analytics Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 - £450.00 per day
implementing dbt models that power clean, consistent metrics. Buidl out orchestartion pipelines using Airflow Creating clear documentation for dashboards, metrics, and models. Ensuring optimal performance and cost efficiency across Snowflake Supporting a stakeholder-first approach to data usability and access. KEY SKILLS AND REQUIREMENTS Extensive experience operating within Snowflake … clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with Snowflake performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please register your interest by sending your ...

Senior SharePoint Developer

Hiring Organisation
Eutopia Solutions Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
Defining and owning the SharePoint architecture roadmap across SharePoint SE and SharePoint Online Designing scalable, secure, and high-performing SharePoint solutions Optimising platform cost, performance, and usability Designing and developing solutions using SPFx, React, TypeScript, JavaScript, Microsoft Graph APIs, and REST APIs Designing and maintaining enterprise on-premises … Graph Solid experience with C# and .NET Framework for backend and integration development Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting Strong experience with SQL Server design, development, and optimization. Knowledge of DevOps practices (CI/CD, release management, monitoring ...

Staff Reliability Engineer (Full Stack)

Location
Greater London, England, United Kingdom
shadowing, and pragmatic coaching on production ownership. Must-haves Significant experience building and operating production backend systems at scale , including debugging distributed systems and performance issues. Strong TypeScript/Node.js (or equivalent) backend experience; comfort working across services and APIs. Proven incident response leadership: on-call participation, triage, mitigation … production tooling. Experience designing reliability programs (SLOs, error budgets, incident process) and running operational excellence improvements. Experience with PostgreSQL/Redis and performance tuning in high‐traffic systems. Experience in a high‐growth environment where prioritization and pragmatic trade‐offs are essential. About us Feeld is an independent ...

Infrastructure Engineer

Location
Greater London, England, United Kingdom
ship safely and quickly. Observability & Reliability: Instrument the stack with OpenTelemetry and Datadog to ensure we detect issues before our users do. AI Performance Tuning: Tune autoscaling and network routing to handle resource-intensive LLM workloads with ultra-low latency. About Solve Intelligence We’re the fastest-growing … Dyson and Alan Turing Institute. Angus (CTO): MEng Computer Science, ex-Qualcomm and Coremont (Brevan Howard). Who You Are We are a high-performance culture of "hackers" and builders. Speed & Safety: You believe that great infrastructure is what allows application engineers to move faster. Extreme Ownership: You strive ...

Software Development Engineer III, Fiat Payments (Backend)

Location
Greater London, England, United Kingdom
CloudWatch); contribute to infra-as-code, monitoring, alerting, and on-call runbooks for payment-critical systems. Optimize the data layer: schema design and query performance in MongoDB, caching and rate-limiting strategies with Redis, and safe migration patterns for high-volume transactional collections. Participate in on-call for payment … hands‐on expertise in Node.js (TypeScript preferred) for performant, production‐grade backend services. Deep experience with MongoDB — schema design, aggregation pipelines, indexing strategy, and performance tuning at scale. Proficiency with Redis — caching, distributed locks, rate limiting, and pub/sub patterns. Proven experience designing and operating microservices architectures ...

Sales Operations Database Administrator

Hiring Organisation
Fortinet
Location
London, UK
Employment Type
Full-time
maintain ETL scripts and other SQL Queries that make our BI Tool (Tableau) operate. We also expect you to manage indexing, cleanups and good performance practices. Exploring new solutions: you will be expected to proactively review and help assess new tools that can make our processes better and faster … data lakes. Experience monitoring database systems for capacity and performance. Proven experience designing and maintaining ETL processes feeding BI/reporting tools. Database performance tuning: indexing strategy, query optimization, data cleanup, and general good-hygiene practices. Experience with Tableau as a data source owner, not just a report ...

Java Fullstack Developer, Assistant Vice President

Hiring Organisation
State Street Bank
Location
London, UK
Employment Type
Full-time
/API tests) and uphold strong quality gates through code reviews and CI/CD discipline. Contribute to operational readiness: logging/monitoring, performance tuning, production support, and reliability improvements for client- and operations-facing digital asset services. Work with security and platform stakeholders to ensure solutions meet … Java or platform backends. About State StreetAcross the globe, institutional investors rely on us to help them manage risk, respond to challenges, and drive performance and profitability. We keep our clients at the heart of everything we do, and smart, engaged employees are essential to our continued success. ...

z/OS Mainframe Systems Programmer Lead

Hiring Organisation
NTT
Location
London, UK
Employment Type
Full-time
support of IBM and Broadcom (CA) products. Establish best practices, standards, and governance for mainframe infrastructure operations. Lead strategic initiatives involving platform modernization, automation, performance optimization, and capacity management. Drive root cause analysis and resolution of critical production incidents and platform-related problems. Act as the highest-level technical … Sysplex architecture, implementation, and administration. Extensive experience installing and supporting multiple IBM and Broadcom (CA) products. Deep understanding of z/OS system internals, performance tuning, and problem determination. Experience in enterprise change management and production support environments. Strong stakeholder management and leadership skills. Exceptional analytical, troubleshooting ...

HPC Network engineer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Azure) Understanding of software development methodologies (eg, Agile, Automation, Jira, and Confluence experience) Technical Skills Solid grasp on Linux OS fundamentals, solve problems and performance tuning Good understanding of HPC infrastructure and applications Exposure to HPC workload management tools like IBM Spectrum LSF Strong Scripting skills (Bash, Shell ...

HPC engineer

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
Cambridge, Cambridgeshire, East Anglia, United Kingdom
Employment Type
Contract
Contract Rate
£450 per day
Azure) Understanding of software development methodologies (e.g., Agile, Automation, Jira, and Confluence experience) Technical Skills Solid grasp on Linux OS fundamentals, solve problems and performance tuning Good understanding of HPC infrastructure and applications Exposure to HPC workload management tools like IBM Spectrum LSF Strong scripting skills (Bash, Shell ...

Proofpoint Engineer - 6 Month Contract - Hybrid in Wokingham - Inside IR35

Hiring Organisation
Hamilton Barnes
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
enhance email security posture Collaborate with SOC, Security Operations, Infrastructure, and Microsoft 365 teams on security initiatives, performing platform upgrades, health checks, troubleshooting, and performance tuning Provide L3/L4 technical support, mentor junior security engineers, develop operational procedures and technical documentation, and support audits and compliance activities ...

Senior Ruby on Rails Developer

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaC Testing & Quality: RSpec, Capybara, TDD methodologies Security, performance tuning, and system hardening AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling Responsibilities: Owns end-to-end system architecture ...

Senior Architect - Private Cloud

Hiring Organisation
Templeton and Partners
Location
Sheffield, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
policy management observability and workload onboarding Strong Kafka architecture operations governance security and capacity planning experience Deep understanding of Distributed Systems Networking Fault Tolerance Performance Tuning and Capacity Planning Experience with Infrastructure as Code IaC and CICD practices Strong understanding of Security Controls Change Management Risk Management ...

Lead Data Engineer

Hiring Organisation
Kinetech Recruitment
Location
London, UK
Employment Type
Full-time
GoldExperience modernising or migrating legacy/on-premise data platforms into Fabric or a comparable modern data architectureStrong hands-on SQL expertise, including performance tuning and optimisationExperience designing and developing Fabric pipelines, transformations and analytical data modelsStrong understanding of data cleansing, data quality, governance and production platform reliabilityExperience ...

Junior Implementation Consultant - Regulatory Reporting

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Prototype approaches. Proficient in database concepts – preferably Oracle and/or MS SQL Server. Should be well-versed in concepts of databases, SQL, DB Performance Tuning, DB Concepts like Indexes, TriggersExperience Client facingExperience of Software IntegrationInterest in regulatory technologyThis role suits someone from a software consulting or implementation ...

Principal Database Platform Engineer

Location
Sheffield, England, United Kingdom
deployed on IaaS or part of DBaaS. Strong understanding of consumer use case and how databases infrastructure capabilities work.• Expertise in infrastructure components, performance tuning, and capacity planning.• Understanding of, and hands on experience of, micro services, software development, infrastructure automation, api development and basic application system ...

Senior Lead Software Engineer - Java

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
solve data-oriented problems using technologies such as SQL, Relational DB, Spark, NoSQL, optimizing for performancePreferred Qualifications, Capabilities, and Skills: Experience with Spark performance tuning of complex calculations on large datasetsExperience delivering production changes to complex software using Scala and SparkFormal training or certification on software engineering conceptsIf ...

Lead Data Analyst - Foreign Exchange Data

Location
Greater London, England, United Kingdom
decommissioning by mapping dependencies, assessing gaps, prioritising delivery and protecting critical consumersRemain hands-on in SQL and Python delivery, releases, incident investigation and performance tuning, embedding review, knowledge-sharing and engineering standardsYour skills and experienceExtensive experience delivering trusted financial and risk data products, with an understanding of Foreign ...

Senior Software Engineer

Hiring Organisation
AMETEK
Location
Leicester, UK
Employment Type
Full-time
.NET Framework, and MVVM architecture. Proficiency in XAML, UI controls, data binding, templating, and WPF animations. Experience with multi-threading, async/await, and performance tuning. Strong experience with unit testing frameworks such as xUnit, NUnit, MSTest for desktop applications. Hands-on experience with serial communication, networking concepts ...

Senior Business Intelligence Analyst

Hiring Organisation
Harnham
Location
London Area, United Kingdom
within their sector and an increasing focus on data-driven decision making. Data sits at the heart of their strategy, supporting product development, commercial performance, and operational effectiveness. With a collaborative data team and continued investment in modern analytics platforms, they are building a scalable, governed, and future-focused … initiatives, and reporting standards Acting as an escalation point for complex reporting and data challenges Collaborating with Data Engineers on data architecture, modelling, and performance optimisation Contributing to a major cloud migration programme and the wider modernisation of the analytics ecosystem Your Skills & Experience Strong commercial experience with Tableau ...

Front Office Software Engineer

Location
Greater London, England, United Kingdom
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands‐on role at the core of our market‐making technology stack, where nanoseconds matter and engineering excellence … critical. You’ll design and build ultra‐low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance‐critical environments and want your work to have real market impact, we’d love to hear from you. Please note that this ...

Senior PHP Developer

Hiring Organisation
Tate
Location
Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum
Writing clean, scalable and maintainable PHP code Owning technical solutions from design through to production Refactoring and improving existing functionality Designing and consuming APIs Performance tuning and database optimisation Contributing to code reviews and engineering best practices Supporting complex third line technical issues when required Collaborating with testers … developers and business stakeholders Identifying opportunities to improve tooling, processes and platform performance About the Environment This organisation has embraced an AI-first engineering culture, actively encouraging developers to use AI assisted tools to improve productivity, troubleshooting, documentation and delivery. You'll have access to modern AI tooling ...

Campaign Build Manager

Hiring Organisation
VodafoneThree
Location
Newbury, Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
merge policies, and identity configurations to enable accurate data capture and segmentation Integrating AEP with external systems using APIs and other methods to ensure performance, scalability, and efficiency Monitoring and optimising data flows through testing, analytics, and performance tuning Acting as a trusted advisor to stakeholders-challenging ...

SQL Database Administrator

Hiring Organisation
Mac Recruit Group
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
£525 per day
contract. Key Responsibilities Include: Administer and maintain SQL Server databases across production and non-production environments. Monitor and optimise database performance. Troubleshoot database and performance issues. Manage database security, permissions, and access. Support database deployments, migrations, and changes. About You Strong experience with Microsoft SQL Server and T-SQL. … Ideally some experience with MongoDB Good knowledge of database performance tuning and troubleshooting. Experience with backups, recovery, high availability, and disaster recovery. Understanding of database security and access management. If youre a hands-on SQL DBA who enjoys solving problems and keeping critical systems running reliably, wed love ...