101 to 125 of 166 Performance Optimisation Jobs in the UK

Senior MySQL DBA

Hiring Organisation
Spectrum IT Recruitment
Location
Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum Equity & Benefits
track record of administering, supporting, and building databases in high-stakes, production environments. Key Responsibilities - Database Design & Capacity Management, Database Maintenance & Monitoring, Disaster Recovery, Performance Optimization, Security & Compliance, Automation & Upgrades, Data Analysis. Required Skills and Experience - Essential - sound commercial experience of MySQL databases Operating Systems: Linux, Ubuntu, Windows Languages ...

Senior MySQL DBA

Hiring Organisation
Spectrum IT Recruitment
Location
Bournemouth, Dorset, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum Equity & Benefits
track record of administering, supporting, and building databases in high-stakes, production environments. Key Responsibilities - Database Design & Capacity Management, Database Maintenance & Monitoring, Disaster Recovery, Performance Optimization, Security & Compliance, Automation & Upgrades, Data Analysis. Required Skills and Experience - Essential - sound commercial experience of MySQL databases Operating Systems: Linux, Ubuntu, Windows Languages ...

Data Scientist

Hiring Organisation
Hays Specialist Recruitment Limited
Location
West Drayton, Middlesex, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Python and ML frameworks (TensorFlow, PyTorch). Strong statistical and analytical skills. Experience with a wide range of Data Science techniques (e.g. ML, Optimisation, Simulation, GenAI, etc.). Demonstrated ability to take models from design through to production deployment, including performance optimisation, monitoring, and integration into business ...

Portfolio Solutions MI Analyst

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
countries and products. Bordereaux and block payments (project/ongoing): design, build and maintain bordereaux solutions, reconciliations and linking to claims for pricing and performance MI. Digital Working Group participation (ongoing): contribute to ensuring digital data is accessible, accurate and fit for purpose for actuarial, underwriting and portfolio management. … digital or portfolio solutions initiatives, with demonstrable stakeholder management and delivery in a complex environment. Excellent Power BI skills: data modelling (star schemas), DAX, performance optimisation, UX best practice, row-level security, and governance of shared datasets/workspaces. Strong SQL across Microsoft SQL Server/SSMS; able ...

Applications System Engineer

Hiring Organisation
Gerrell & Hard
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent
tested, validated, and delivered to spec Support and conduct customer trials, analyse results, and provide feedback for improvement Interpret datasets for troubleshooting and performance optimisation Prepare risk assessments and conduct toolbox talks for onsite activities Create and improve technical documentation and user manuals Provide customer training and support ...

BMC Helix Technical Delivery Authority

Hiring Organisation
KBC Technologies UK LTD
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
reporting, stakeholder communication, and escalation management . Validate solution readiness through E2E testing, UAT, and go-live support . Implement monitoring, health checks, and performance optimization for ITSM and CMDB modules. Identify opportunities for automation and continuous process improvement . Required Skills & Experience 5+ years of hands-on experience ...

Lead Developer (Node.js, TypeScript, AWS)

Hiring Organisation
Circle Group
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£90,000
coach developers, fostering a culture of continuous learning and growth. Conduct regular code reviews to ensure adherence to coding standards, best practices, and performance optimization. Act as a technical liaison between backend development and other departments, providing guidance and support as needed. Stay up-to-date with the latest ...

Lead Developer (Node.js, TypeScript, AWS)

Hiring Organisation
Circle Group
Location
Bradford, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£90,000
coach developers, fostering a culture of continuous learning and growth. Conduct regular code reviews to ensure adherence to coding standards, best practices, and performance optimization. Act as a technical liaison between backend development and other departments, providing guidance and support as needed. Stay up-to-date with the latest ...

Lead Developer Node.js, TypeScript, AWS

Hiring Organisation
Circle Recruitment
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £90,000 per annum
coach developers, fostering a culture of continuous learning and growth. Conduct regular code reviews to ensure adherence to coding standards, best practices, and performance optimization. Act as a technical liaison between backend development and other departments, providing guidance and support as needed. Stay up-to-date with the latest ...

BIM Developer

Hiring Organisation
Rullion Engineering Cumbria
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£25 - £30/hour
development for civil engineering execution studies *You must have knowledge of object-oriented programming, C# Open API, and VBA *You must have skills in performance optimization and large scale data processing *You must have familiarity with 3D modelling libraries and tools (Tekla Structures) *You must have experience with GitLab ...

Senior Frontend Developer

Hiring Organisation
Lorien
Location
Leeds, West Yorkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day
Role Our client is seeking a Senior Frontend Engineer to join their Product Development team. In this hands-on role, you'll build high-performance, customer-facing applications for kiosk systems. You'll help shape frontend architecture, mentor junior engineers, and drive best practices across the team, focusing … technical excellence, collaboration, and continuous improvement. Key Responsibilities Develop and maintain React/TypeScript applications using modern frameworks Architect scalable, maintainable frontend systems with performance and accessibility in mind Drive improvements in code quality, testing, and tooling Champion responsive design and performance optimization Collaborate with DevOps ...

iOS Developer

Hiring Organisation
ARC IT Recruitment
Location
Brighton, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 70,000 Annual
principles to write scalable, maintainable code Working with RESTful APIs to integrate app functionality Ensuring apps perform smoothly through memory management, multi-threading, and performance optimisation Collaborating with cross-functional teams on exciting projects Nice to have: experience with Android development (Kotlin) Our client offers a vibrant office ...

IOS Developer

Hiring Organisation
Arc IT Recruitment
Location
Brighton, East Sussex, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
principles to write scalable, maintainable code Working with RESTful APIs to integrate app functionality Ensuring apps perform smoothly through memory management, multi-threading, and performance optimisation Collaborating with cross-functional teams on exciting projects Nice to have: experience with Android development (Kotlin) Our client offers a vibrant office ...

Forward Deployed Engineer (Palantir)

Hiring Organisation
Consol Partners
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Ontology, Workshop, OSDK, Code Repositories, Actions, and AIP/agentic capabilities - you can build production-grade applications not just prototypes Production deployment experience including performance optimisation, data pipeline architecture, permissioning at scale, audit requirements, and operational maintenance ...

Cloud Security Architect

Hiring Organisation
Robert Walters
Location
Coventry, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Resolve DLP and SSL inspection issues by working closely with end users and SOC teams. Administer and maintain the Netskope tenant, including upgrades and performance optimization. Design and build a Quantum-ready Internal PKI, addressing gaps in existing infrastructure and integrating with Certificate Lifecycle Management solutions. Define certificate templates ...

Infrastructure Engineer

Hiring Organisation
Michael Page
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
impactful services and solutions to their beneficiaries, supported by a robust technology infrastructure. Description Manage and maintain the organisation's IT infrastructure, ensuring optimal performance and reliability. Oversee network systems, servers, and storage solutions to support business operations. Implement updates, patches, and system improvements to maintain security standards. Provide … technical support and troubleshooting for infrastructure-related issues. Collaborate with the technology team to deliver infrastructure projects on time. Monitor system performance and proactively address potential issues. Ensure compliance with industry standards and organisational policies. Document system configurations, processes, and procedures for reference. Profile A successful Infrastructure Engineer should ...

Infrastructure Engineer

Hiring Organisation
Michael Page Technology
Location
Manchester, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 45,000 Annual
impactful services and solutions to their beneficiaries, supported by a robust technology infrastructure. Description Manage and maintain the organisation's IT infrastructure, ensuring optimal performance and reliability. Oversee network systems, Servers, and storage solutions to support business operations. Implement updates, patches, and system improvements to maintain security standards. Provide … technical support and troubleshooting for infrastructure-related issues. Collaborate with the technology team to deliver infrastructure projects on time. Monitor system performance and proactively address potential issues. Ensure compliance with industry standards and organisational policies. Document system configurations, processes, and procedures for reference. Profile A successful Infrastructure Engineer should ...

Technical Lead

Hiring Organisation
E-Solutions IT Services UK Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
team of developers, enhancing their technical capabilities and increasing productivity. 2. To conduct comprehensive code reviews, establish and oversee quality assurance processes, performance optimization , implementation of best practices and coding standards to ensure successful delivery of complex projects. 3. To ensure process compliance in the assigned module| and participate ...

Senior ZK-Engineer

Hiring Organisation
Plexus Resource Solutions Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
trustless Bitcoin vaults and zk light-client operations. Lead the architecture and implementation of zkVM systems, including circuit design, data interfaces, proof pipelines, and performance optimization. Implement and enforce security best practices across zkVM programs. Requirements: Demonstrated expertise in Rust programming. Proven experience delivering zero-knowledge systems or infrastructure ...

IT Systems Engineer

Hiring Organisation
Harvey Nash Plc
Location
Warrington, Cheshire, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
large-scale IT projects, supporting planning, implementation, and troubleshooting technical challenges. System Maintenance: Monitor and maintain internal IT systems proactively, including patching, updates, and performance optimization. Travel: Visit UK and Ireland remote sites (1-2 times per month) to support project deployments, on-site troubleshooting, and infrastructure upkeep. Collaboration ...

Firmware Engineer

Hiring Organisation
APRIL QUEST LIMITED
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
level device programming, hardware interfaces, and real-time data handling. Experience integrating embedded software with FPGA-based systems, including register-level communication and performance optimization. Proven ability to take ownership of complex technical work and drive it through multiple development phases. Desirable Requirements of a Firmware Engineer Experience developing ...

APIGEE Architect

Hiring Organisation
Cognizant
Location
london, south east england, united kingdom
Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. Your role will be pivotal in driving innovation within telecom domain projects, contributing to business success … deployment and management of Anthos Service Mesh to enhance service connectivity and security. · Lead cloud infrastructure projects ensuring robust and scalable solutions. API Management & Optimisation: · Provide technical guidance on Apigee OPDK and Apigee X for optimised API management and performance. · Develop and maintain Apigee Developer Portal and Apigee Edge ...

Director - Lead Software Engineer Java, Equities

Hiring Organisation
Huxley
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £180,000 per annum
join our Equities Technology team within the Front Office. This is a hands-on, independent contributor role where you will design and build high-performance systems that support our equities trading business. You will work closely with traders, quants, and other technologists to deliver innovative solutions in a fast … management and execution. Collaborate with front-office stakeholders to understand business requirements and translate them into technical solutions. Ensure best practices in software architecture, performance optimization, and scalability. Mentor junior engineers and contribute to technical strategy while remaining hands-on in coding. Requirements Expert-level Java development skills with ...

Director - Lead Software Engineer (Java, Equities)

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £180000/annum + Bonus & Benefits Package
join our Equities Technology team within the Front Office. This is a hands-on, independent contributor role where you will design and build high-performance systems that support our equities trading business. You will work closely with traders, quants, and other technologists to deliver innovative solutions in a fast … management and execution. Collaborate with front-office stakeholders to understand business requirements and translate them into technical solutions. Ensure best practices in software architecture, performance optimization, and scalability. Mentor junior engineers and contribute to technical strategy while remaining hands-on in coding. Requirements Expert-level Java development skills with ...

Global Head of Platforms (DevOps)

Hiring Organisation
XACT PLACEMENTS LIMITED
Location
London, United Kingdom
Employment Type
Permanent
helps organisations understand exactly how they could be compromised in real time . They think like attackers, innovate like researchers, and execute like high-performance engineers. Now, theyre looking for a standout leader to shape and scale their global platform capability. ?? The Role: Global Head of Platforms (DevOps) This … change failure rates, and time-to-recovery across all services. Own cloud and infrastructure strategy across AWS/Azure with a focus on security, performance, cost, and global regulatory requirements. Partner with Product, Security, and Engineering to deliver secure, reliable, and scalable capabilities. Define and evolve platform architecture across ...