126 to 150 of 186 Performance Tuning Jobs in England

Data Engineer

Hiring Organisation
KnoWho
Location
London, England, United Kingdom
data processing and pipeline development. Solid experience with SQL , including writing efficient and scalable queries. Hands-on experience with Google BigQuery , including architecture, performance tuning, and cost optimization. Familiarity with cloud-based data tools and modern data ecosystems. Understanding of data modeling, warehousing concepts, and best practices Nice ...

Senior Storage Engineer

Hiring Organisation
83zero Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
Lead data migrations from Dell EMC VMAX and Commvault systems Deliver expert-level support and management across SAN and NAS platforms Oversee storage provisioning, performance tuning, and capacity planning Troubleshoot complex storage incidents in high-availability environments Support upgrades, lifecycle management, and transformation initiatives Collaborate with infrastructure, networking ...

SAP Patching Resource

Hiring Organisation
Ampstek
Location
Slough, Berkshire, UK
Employment Type
Full-time
Solution Manager). Hands-on experience with SAP kernel upgrades, SPAM/SAINT, and SUM tool. Proficiency in ABAP patching, transport management, and performance tuning. Expertise in SAP Security concepts, including user administration, role design, and GRC compliance. Knowledge of SAP HANA patching and database upgrades. Familiarity with ...

C# Oracle PL/SQL Developer Role

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
code logic and database interactions. Key Skills & Requirements: Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning. Solid understanding of application server and Oracle database structures. Python scripting skills for automation or data analysis (desirable). Familiarity with data lineage ...

AI Engineer

Hiring Organisation
Cognizant
Location
London, UK
Employment Type
Full-time
evaluation tooling. Collaborate with senior engineers and product managers to translate user requirements into technical features. Participate in error analysis, iterative model improvement, and performance tuning. Document code and workflows clearly; follow best practices for reproducibility and code quality. Requirements: Hands-on experience with machine learning, NLP, or information ...

Data Lineage Developer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£415/day
code logic and database interactions. Key Skills & Requirements: Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning. Solid understanding of application server and Oracle database structures. Python scripting skills for automation or data analysis (desirable). Familiarity with data lineage ...

SIEM Application Engineer (Elastic Security) - Birmingham, UK

Hiring Organisation
Randstad Digital
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
detection rules based on the MITRE ATT&CK Framework , alongside implementing essential security controls like RBAC, encryption , and data governance to ensure regulatory compliance. Performance & Tuning Specialist: Deep technical skill in fine-tuning Elasticsearch indices and mappings and optimizing Logstash pipelines for maximum performance, throughput ...

SIEM Application Engineer (Elastic Security) - Manchester, UK

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
detection rules based on the MITRE ATT&CK Framework , alongside implementing essential security controls like RBAC, encryption , and data governance to ensure regulatory compliance. Performance & Tuning Specialist: Deep technical skill in fine-tuning Elasticsearch indices and mappings and optimizing Logstash pipelines for maximum performance, throughput ...

Software Engineer

Hiring Organisation
Yoh Solutions Ltd
Location
Southampton, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
talks to hardware at speed, and solving real wireless signal-processing problems youll probably get on well here. This team designs and builds high-performance software for wireless communication systems 5G, satellite comms, and advanced baseband processing. The real, high-throughput, low-latency kind. Theyre hiring Senior Software Engineers … working on Youll be turning clever DSP and comms algorithms into real-time production software running on x86 or ARM , and building high-performance APIs that interface with hardware acceleration. Expect a mix of: Real-time C/C++ for wireless signal processing Linux, DPDK, PCIe, SIMD, modern C++ ...

Senior PHP Developer

Hiring Organisation
Corecom Consulting
Location
Bradford, UK
Employment Type
Full-time
About the Role: Join a values-driven digital agency where your work really makes a difference. You'll be developing high-traffic, performance-critical backend systems for organisations with impact—from cultural institutions to public-sector bodies. You'll work alongside front-end developers, designers and project leads … fast-performing platforms, primarily in PHP and using Drupal. What We're Looking For: Strong PHP skills with a framework-based approach Experience optimising performance for large-scale sites Solid understanding of web security best practices and resource/performance tuning Experience with Git and collaborative development ...

Platform Engineer - TWE43849

Hiring Organisation
twentyAI
Location
London, UK
Employment Type
Full-time
zero drama. What they need you to bring Serious Kubernetes depth covering cluster design, workload orchestration, autoscaling strategies, multi cluster operations, network policy, resource tuning and deep debugging across pods, nodes and the control plane Deep Linux fluency with the ability to harden, tune and own production environments from … bottom Strong SQL engineering skills covering schema design, performance tuning and high throughput optimisation Solid C# background with clean, maintainable service patterns Ability to design, build and refine CI/CD pipelines that support rapid and safe releases Reliability thinking baked in: monitoring, alerting, SLOs, incident handling ...

SRE Engineer Java JVM - Fintech

Hiring Organisation
Client Server
Location
London, England, United Kingdom
driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such as Kafka and ActiveMQ, with … Site Reliability Engineer SRE (or similar) with a Java software engineering background and a deep knowledge of JVM internals and performance tuning You have a strong knowledge of Site Reliability Engineering and how to build scalable solutions to improve reliability, productivity and efficiency You have strong experience with ...

Sharepoint Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Sharepoint Engineer Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve complex SharePoint … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint Engineer with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Sharepoint Engineer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Sharepoint Engineer Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve complex SharePoint … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint Engineer with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Sharepoint SME

Hiring Organisation
VIQU IT Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
business teams. Key Responsibilities Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint SME with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Sharepoint Engineer

Hiring Organisation
VIQU IT
Location
Greater London, Farringdon Without, United Kingdom
Employment Type
Permanent
Sharepoint Engineer Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve complex SharePoint … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint Engineer with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Data Engineer

Hiring Organisation
Venn Group
Location
Bristol, Avon, England, United Kingdom
Employment Type
Contractor
Contract Rate
£225 - £249 per day
Responsibilities include: Develop, optimise, and debug Databricks notebooks, Delta Lake workflows, and Genie-bot automations Design, maintain, and enhance ETL pipelines , ensuring reliability and performance Validate, transform, and orchestrate data using Python and SQL within the Lakehouse environment Manage data ingestion and scheduling processes via Azure Data Factory Reverse … maintaining ETL pipelines , including debugging and optimisation Advanced Python skills for transformation, automation, and pipeline development Solid SQL proficiency for querying, validation, and performance tuning Experience using GitHub for version control, collaboration, and code management At Venn Group, we endeavour to respond to all applications However ...

Oracle Developer

Hiring Organisation
4Square Recruitment Ltd
Location
Slough, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
responsible for developing and maintaining complex Oracle SQL and PL/SQL code, working closely with developers and stakeholders to ensure high-performance, scalable database solutions. This is a hands-on role for someone who genuinely enjoys writing proper PL/SQL—not just babysitting legacy code. What …/SQL programming skills Experience developing complex stored procedures, packages, functions, and triggers A high standard of coding with a focus on performance, maintainability, and best practices Proven experience working in a software house or similar fast-paced environment Nice to Have (but not deal-breakers) Performance tuning ...

Back End Developer

Hiring Organisation
Arrows
Location
Slough, Berkshire, UK
Employment Type
Full-time
Express or Sequelize • Previous work deploying, configuring and monitoring applications on AWS • Confidence working with both relational and NoSQL databases, including complex queries and performance tuning • Good understanding of common web design patterns such as the SOLID principles • Comfortable working in a collaborative and agile environment • Familiar with ...

Java Developer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
develop, and maintain Java-based solutions using the Spring Framework Collaborate with cross-functional teams to deliver high-quality software Contribute to solution design, performance tuning, and code reviews Requirements: Proven experience as a Java Developer (Spring Boot/Spring Framework) Degree in IT or a business-related ...

D365 F&O Environments & Security Professional

Hiring Organisation
Opus Recruitment Solutions
Location
North West, England, United Kingdom
e.g., approvals, operational apps), ensuring robust ALM, environment strategy, and guardrails. Implement proactive monitoring (Telemetry, LCS, Azure), incident response playbooks, and performance tuning to keep systems stable and fast. Define safe, repeatable data refresh processes (masking, sub‐setting), manage configuration/integration data, and support test data creation. ...

End User Support Engineer

Hiring Organisation
nimbus
Location
Slough, Berkshire, UK
Employment Type
Full-time
Diagnose and resolve hardware issues, including problems with peripherals, malfunctioning systems, or defective components. Able to perform regular patching, system updates, proactive maintenance and performance tuning across supported endpoints and infrastructure. Supporting AV equipment for conferencing (Logitech & Yealink) Software Support: Set up new software applications or assist with ...

Technical Architect

Hiring Organisation
Queen Square Recruitment
Location
Guildford, England, United Kingdom
ServiceNow Orchestration, Flow Designer, and Integration Hub spokes. Familiarity with Salesforce, SAP, Oracle, Azure, AWS integrations. Experience in instance consolidation, upgrades, migrations, and performance tuning. Excellent communication and client-facing skills. Person Specification: Assertive and confident in client-facing scenarios. Strong team leadership and mentoring skills. Effective communicator ...

ServiceNow Platform Administrator / Developer

Hiring Organisation
KBC Technologies UK LTD
Location
Warwick, Warwickshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
support and enhance a secure ServiceNow environment. The successful candidate will be responsible for maintaining, configuring, and optimising the ServiceNow platform, ensuring stability, performance, security, and alignment with business and ITIL best practices. This role requires strong hands-on ServiceNow administration and development experience, combined with excellent stakeholder engagement … process improvement skills. Key Responsibilities Monitor ServiceNow platform health and performance; apply patches and upgrades Troubleshoot and resolve platform-related issues, escalating to ServiceNow support when required Ensure compliance with organisational standards, security policies, and governance Configure and support ServiceNow modules including Incident, Problem, Change, and Service Catalog Develop ...

Engineering Manager (Python) - AI/ML SaaS Platform

Hiring Organisation
Creo Recruitment
Location
City of London, London, United Kingdom
systems, and modern AWS infrastructure. You’ll lead a squad of 4 engineers , guiding them through complex technical decisions and helping them deliver high-performance, data-intensive systems operating over hundreds of millions to billions of rows . The product itself is an AI/ML-driven SaaS platform … pipelines and SQL-based workflows , ensuring scalability and performance. Run technical design reviews , guide architecture decisions, and support engineers in navigating trade-offs around performance, cost, and reliability. Champion operational excellence — strong observability, testing discipline, incident response, and SLO ownership. Collaborate with Product & Design to define technical requirements, prioritise ...