151 to 175 of 217 Performance Tuning Jobs in the UK

Linux Technical Architect

Hiring Organisation
Peregrine
Location
Luton, Bedfordshire, South East, United Kingdom
Employment Type
Permanent
technologies (Linux under VMWare) Experience of working within the ITIL framework Experience of managing systems with RHN satellite Desirable Recent experience with JBoss Linux performance tuning skills Experience with Linux failover clustering Experience of Kerberos in regards to securing Linux applications and AD integration. Experience of Cisco ...

ICT Cloud Infrastructure and Platforms Specialist

Hiring Organisation
South Wales Police
Location
Bridgend, Mid Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£50,000
enhancing system performance. Key duties: Implement, configure and maintain managed cloud solutions Design and deploy cloud infrastructure, including compute and platform services Oversee cloud performance tuning, policy and management Develop and maintain documentation for cloud processes and procedures Collaborate with cross-functional teams to identify and solve system ...

Quant Systems: Systems Developer (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
inquisitive technology enthusiast to join its Quant Systems team. This is a hands‐on technical role within an engineering team responsible for high performance trading and research infrastructure. What you’ll do day‐to‐day Quant Systems is a global team that designs and maintains the firm’s largest … compute infrastructure, which includes operating system platforms, software development tooling, high‐performance computing, networking, and storage for research and trading. This engineer will have the opportunity to work on a wide variety of technology initiatives in a distributed computing environment, such as workload scheduling design and implementation, fleet management ...

Staff Software Engineer, Scale

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
simplicity in system/component design Demonstrate clean communication across technical and non-technical stakeholders Make pragmatic decisions on when to optimize for performance vs. velocity based on business impact Thrive in cross-functional environments spanning Product, Design, Compliance, and Sales Design for scale, maintainability, and production excellence Have … multi-team initiatives with measurable technical or business impact Preferred qualifications: Fintech, payments, or regulated industry experience High-scale performance tuning (100k+ QPS, large user bases, strict latency SLAs) Multi-tenant SaaS or platform architecture background Proficiency with PostgreSQL, Redis, Kafka, or cloud platforms (AWS/GCP/ ...

ServiceNow Engineer

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Contract
aligned with platform best practices. Platform Administration Support the administration, maintenance, and optimisation of the ServiceNow platform. Manage platform upgrades, patches, releases, and performance tuning activities. Maintain platform security, data integrity, and operational stability. Troubleshoot and resolve technical issues across the platform and associated integrations. Stakeholder Engagement Collaborate … guidance and recommendations on ServiceNow capabilities and best practices. Support user acceptance testing, training, and knowledge transfer activities where required. Continuous Improvement Monitor platform performance and identify opportunities for optimisation and automation. Stay current with ServiceNow product developments, new features, and industry best practices. Contribute to platform roadmaps, enhancement ...

Lead Mobile Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
mobile purchase journeys in retail apps) Build, lead, and mentor a high-performing mobile engineering team Drive best practices in coding, architecture, security, and performance across mobile platforms Delivery & Execution Oversee the development, deployment, and maintenance of all mobile applications Champion a quality-driven approach, establishing robust CI/… framework and willingness to learn others is highly valued Experience working in DevOps, CI/CD pipelines, and app store release management Background in performance tuning, mobile analytics, and A/B testing Benefits Competitive salary including self-proposed salary increases Flexible working arrangements 25 days holiday plus ...

Senior Fullstack Engineer (Remote, United Kingdom)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
instincts, with the ability to connect technical decisions to user outcomes.* Operational awareness in production environments, including reliability, observability, deployment, incident response, or performance considerations.* Comfort working across frontend, backend, and infrastructure boundaries.* High ownership, autonomy, and follow-through in ambiguous environments.* Ability to communicate technical decisions clearly … minded engineering teams where quality, usability, and reliability all matter.* Experience modernizing legacy systems through incremental, low-risk changes.* Familiarity with secure coding practices, performance tuning, and production incident learning.**YOU (BEHAVIOURAL SKILLS)*** You are naturally curious and enjoy understanding how systems work. You like simplifying complex problems ...

Lead Mobile Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
London, 3 days a week on‐site. Responsibilities Lead a team of mobile engineers, mentoring and ensuring best practices in coding, architecture, security, and performance across mobile platforms. Propose state‐of‐the‐art architectures for new or evolving applications. Serve as the mobile technology expert and advocate across … platform frameworks (React Native, Flutter, Kotlin Multiplatform/Compose). Experience in DevOps, CI/CD pipelines, and app store release management. Background in performance tuning, mobile analytics, and A/B testing. Benefits Competitive salary with self‐proposed salary increases. 25 days holiday plus bank holidays ...

Oracle EBS Techno Functional Consultant

Hiring Organisation
Jobleads-UK
Location
United Kingdom
supports technical components such as PL/SQL objects, Forms, Reports, BI Publisher, Interfaces, and Workflows. -Handles data migration, integrations, issue resolution, and performance tuning across EBS environments. -Supports UAT, go‐live, post‐production support, enhancements, and ongoing system improvements. #J-18808-Ljbffr ...

SQL Database Administrator

Hiring Organisation
Investigo
Location
Liverpool, England, United Kingdom
ensure business-critical systems remain stable throughout the transformation. What they're looking for: Strong SQL Server DBA experience Experience with SQL Server administration, performance tuning, backups, restores and maintenance Experience supporting migrations and large-scale change programmes A collaborative approach with excellent communication skills Someone who enjoys ...

ServiceNow Architect

Hiring Organisation
Vallum Associates
Location
City of Edinburgh, Edinburgh, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £530/day
ensuring adherence to best practices and creating technical documentation, designs documents, and blueprints • Ensure high-quality design, maintain security/compliance protocols, and perform performance tuning to ensure stability • Define end-to-end ServiceNow architecture aligned with enterprise standards and roadmap, designing across ITIL modules (ITSM, ITOM, ITAM ...

ERP Systems Developer

Hiring Organisation
Erin Associates
Location
Scunthorpe, Lincolnshire, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
basic DOE Hybrid working possible Progression and career development opportunities Excellent benefits on offer Required experience: Strong SQL development experience (including stored procedures and performance tuning) Experience with Crystal Reports Strong experience working with Epicor BisTrack ERP preferable. Experience with comparable ERP/MRP products may be considered ...

Senior Backend Engineer

Hiring Organisation
Catalyst
Location
Gateshead, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£80,000
context (Node.js, shared libraries, or tooling) Deep familiarity with core AWS infrastructure Lambda, ECS/EKS and RDS/Aurora - specialised knowledge in Aurora performance tuning is a significant plus Proficiency with AWS messaging services, specifically SQS, SNS and EventBridge Strong communication skills across technical and non-technical ...

Senior Infrastructure Engineer Citrix

Hiring Organisation
17918
Location
United Kingdom
infrastructure improvement projects. The Role As the Senior Citrix Infrastructure Engineer, you'll play a key role in ensuring the stability, security and performance of enterprise Citrix platforms operating within a highly regulated environment. Responsibilities will include: Supporting and maintaining enterprise Citrix Virtual Apps & Desktops environments Designing, building, upgrading … optimising Citrix infrastructure Performance tuning and troubleshooting within high-availability environments Supporting BAU operations alongside infrastructure project delivery Integrating Citrix with Active Directory and secure access solutions Driving automation and continuous improvement across the environment Producing technical documentation and supporting knowledge transfer Working closely with infrastructure and platform ...

Senior C++ Programmer

Hiring Organisation
IT Search & Select
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
experience developing complex systems in C++. Expert-level understanding of modern C++ (C++11/14/17/20) , STL, templates, memory management and performance tuning. Strong background in real-time, embedded or distributed systems. Solid Linux development experience and familiarity with modern tooling (Git, CI/CD, debugging ...

PL/SQL Developer

Hiring Organisation
Cadence Resourcing Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
maintain PL/SQL code, investigate system issues, document resolutions, and work closely with functional and technical teams to ensure the stability and performance of the finance platform. Key skills: * PL/SQL development * Agresso/Unit4 (On-Premise) * Finance systems and integrations * SQL troubleshooting and performance tuning ...

Azure Cosmos DB Developer

Hiring Organisation
Tata Consultancy Services
Location
City of London, London, United Kingdom
within a leading financial services environment. You will be responsible for developing cloud-native solutions using Azure Cosmos DB and Microsoft Fabric, optimizing data performance, and supporting scalable, high-quality data engineering practices. The role requires strong technical expertise in NoSQL databases, distributed computing, and modern cloud development practices. … Azure Cosmos DB, including SQL API and MongoDB API. Design and implement efficient NoSQL data models aligned with application and business requirements. Optimize database performance through effective partitioning, indexing strategies, and query tuning. Develop and maintain Cosmos DB queries to improve performance and minimize RU consumption. Leverage Cosmos ...

Senior Cassandra Platform Architect - Real-Time Payments

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Falcon Smart IT Limited in London, UK, is seeking a Senior Apache Cassandra Engineer to design, build and operate a high-performance NoSQL platform supporting real-time payment and fraud detection systems. Hybrid work arrangement in a regulated financial services environment. You will own data model design, cluster topology … performance tuning, security and disaster recovery, collaborating with cross-functional teams to deliver a scalable, resilient data platform. #J-18808-Ljbffr ...

Storage / Backup Engineer Hybrid

Hiring Organisation
Sanderson Government and Defence
Location
Newport, Gwent, Wales, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
mission-critical platforms. The successful contractor will be responsible for the administration, support and optimisation of enterprise storage and backup solutions, ensuring maximum availability, performance and resilience across complex environments. Key Skills & Experience: Strong experience with NetApp storage solutions (essential) Proven background in enterprise backup technologies and data protection … Experience supporting large-scale infrastructure environments Knowledge of storage performance tuning, replication and disaster recovery Ability to work effectively within secure and highly regulated environments Strong troubleshooting and stakeholder engagement skills Desirable: Experience within Defence, Government or other secure sectors Knowledge of VMware, Windows and Linux infrastructure Exposure ...

Storage / Backup Engineer Hybrid

Hiring Organisation
Sanderson Government and Defence
Location
Portsmouth, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
mission-critical platforms. The successful contractor will be responsible for the administration, support and optimisation of enterprise storage and backup solutions, ensuring maximum availability, performance and resilience across complex environments. Key Skills & Experience: Strong experience with NetApp storage solutions (essential) Proven background in enterprise backup technologies and data protection … Experience supporting large-scale infrastructure environments Knowledge of storage performance tuning, replication and disaster recovery Ability to work effectively within secure and highly regulated environments Strong troubleshooting and stakeholder engagement skills Desirable: Experience within Defence, Government or other secure sectors Knowledge of VMware, Windows and Linux infrastructure Exposure ...

Senior zOS Systems Programmer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
commerce. Responsibilities Design, develop, maintain and support critical enterprise systems and platform services that underpin Global Payments' business operations. Lead system enhancements, software upgrades, performance tuning and platform optimisation activities. Troubleshoot complex production issues, perform root-cause analysis and implement permanent solutions. Collaborate with infrastructure, application, architecture … automation and operational excellence. Qualifications Extensive experience in systems programming within large-scale enterprise environments. Strong knowledge of operating systems, middleware, automation tooling and performance tuning. Proven ability to analyse and resolve complex technical problems in mission‐critical systems. Experience supporting highly available production platforms with a focus ...

Senior zOS Systems Programmer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Design, develop, maintain and support critical enterprise systems and platform services that underpin Global Payments' business operations. Lead system enhancements, software upgrades, performance tuning and platform optimisation activities. Troubleshoot complex production issues, perform root-cause analysis and implement permanent solutions. Collaborate with infrastructure, application, architecture and security teams … excellence. What you’ll bring Extensive experience in systems programming within large-scale enterprise environments. Strong knowledge of operating systems, middleware, automation tooling and performance tuning. Proven ability to analyse and resolve complex technical problems in mission-critical systems. Experience supporting highly available production platforms with a focus ...

Sales Engineer (Pre-Sales) | Cloud Data Platforms | Remote (UK/EU)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Value (POV)/Proof of Concept (POC) engagements end-to-end Build compelling business cases and ROI models focused on cost optimisation and performance improvements Act as a trusted advisor on Cloud Data Platform strategy, FinOps, and cost efficiency Partner with Sales to drive technical wins across the full … Experience with cloud providers (AWS, Azure, GCP) Proven track record supporting enterprise sales cycles Strong understanding of FinOps, cloud cost optimisation, or data platform performance tuning Excellent communication and stakeholder management skills Benefits Full remote role (UK & Europe) Competitive compensation £100k‐£115k base, OTE £150k‐£165k plus share ...

Sales Engineer (Pre-Sales) | Cloud Data Platforms | Remote (UK/EU)

Hiring Organisation
Jobleads-UK
Location
West Midlands, England, United Kingdom
Value (POV)/Proof of Concept (POC) engagements end-to-end Build compelling business cases and ROI models focused on cost optimisation and performance improvements Act as a trusted advisor on Cloud Data Platform strategy, FinOps, and cost efficiency Partner with Sales to drive technical wins across the full … Experience with cloud providers (AWS, Azure, GCP) Proven track record supporting enterprise sales cycles Strong understanding of FinOps, cloud cost optimisation, or data platform performance tuning Excellent communication and stakeholder management skills Benefits Full remote role (UK & Europe) Competitive compensation £100k‐£115k base, OTE £150k‐£165k plus share ...

Lead Software Engineer - Java and Kafka

Hiring Organisation
Jobleads-UK
Location
Glasgow, Scotland, United Kingdom
development of real‐time, mission‐critical trading platforms using Java Tackle large‐scale engineering challenges with technologies like Kafka Innovate, troubleshoot, and optimize for performance and stability Inspire and foster a culture of creativity, inclusion, and technical excellence Collaborate with stakeholders to deliver impactful solutions Drive system design, application … certification in software engineering concepts Experience developing event‐driven and batch Java applications in financial services Proficiency in Java/Spring, data structures, and performance tuning Solid experience with Kafka Proficiency in testing and debugging low latency applications Hands‐on experience in system design, application development, testing ...