276 to 300 of 845 Performance Optimisation Jobs in the UK

Web Designer / Developer

Hiring Organisation
Adria Solutions Ltd
Location
Cambridge, Saffron Walden, Essex, United Kingdom
Employment Type
Permanent
Salary
£30000 - £50000/annum
Ensuring usability, responsiveness, accessibility, and smooth user navigation Editing, debugging, and improving existing pages and site structures Implementing SEO best practices and monitoring site performance through analytics Digital Content & Creative Production Producing digital artwork, graphics, and visual assets using Adobe Creative Cloud (Photoshop, Illustrator, InDesign) Supporting creation … digital outputs Website Operations & Management Registering domains and coordinating hosting and DNS updates with internal IT Managing website testing, quality checks, and daily performance evaluations Ensuring compliance with accessibility, privacy, and other digital regulatory requirements Tracking traffic and user engagement through analytics tools and producing insights Keeping ...

Data Engineer

Hiring Organisation
Searchability
Location
Birkenhead, Merseyside, UK
Employment Type
Full-time
aiming to deliver high-quality service and build lasting relationships with our clients. OUR BENEFITS: Flexible and hybrid working Autonomous working Companywide collaborative events Performance reward and achievements Private Health Insurance Pension Contribution And more... WHAT WILL YOU BE DOING? In this role, you'll play a key part … while implementing and maintaining CI/CD pipelines to ensure robust testing and seamless deployments. Working within our Azure infrastructure, you'll focus on performance optimisation, contribute to team standards through code reviews, and stay ahead of emerging automotive datasets to recommend new sources. You'll also create ...

Data Engineer

Hiring Organisation
Searchability
Location
Warrington, Cheshire, UK
Employment Type
Full-time
aiming to deliver high-quality service and build lasting relationships with our clients. OUR BENEFITS: Flexible and hybrid working Autonomous working Companywide collaborative events Performance reward and achievements Private Health Insurance Pension Contribution And more... WHAT WILL YOU BE DOING? In this role, you'll play a key part … while implementing and maintaining CI/CD pipelines to ensure robust testing and seamless deployments. Working within our Azure infrastructure, you'll focus on performance optimisation, contribute to team standards through code reviews, and stay ahead of emerging automotive datasets to recommend new sources. You'll also create ...

Data Engineer

Hiring Organisation
Searchability®
Location
Liverpool, England, United Kingdom
aiming to deliver high-quality service and build lasting relationships with our clients. OUR BENEFITS: Flexible and hybrid working Autonomous working Companywide collaborative events Performance reward and achievements Private Health Insurance Pension Contribution And more... WHAT WILL YOU BE DOING? In this role, you’ll play a key part … while implementing and maintaining CI/CD pipelines to ensure robust testing and seamless deployments. Working within our Azure infrastructure, you’ll focus on performance optimisation, contribute to team standards through code reviews, and stay ahead of emerging automotive datasets to recommend new sources. You’ll also create ...

Mobile Engineer

Hiring Organisation
Paritas Recruitment
Location
London Area, United Kingdom
influencing the direction of the wider technology landscape. You will also be responsible for: Defining and governing engineering and design solutions focused on automation, performance, scalability, resilience and security Designing and engineering complex software, tools and scripts within a feature or platform team Developing architecture models and roadmaps … Strong experience building Android applications using Kotlin, Java, and Jetpack Compose Proven background in test-driven development, automated testing frameworks, mocking/stubbing and performance optimisation Experience leading and supporting engineering teams in a matrix or cross-functional structure Ability to translate complex business and product requirements into ...

Mobile Engineer

Hiring Organisation
Paritas Recruitment
Location
City of London, London, United Kingdom
influencing the direction of the wider technology landscape. You will also be responsible for: Defining and governing engineering and design solutions focused on automation, performance, scalability, resilience and security Designing and engineering complex software, tools and scripts within a feature or platform team Developing architecture models and roadmaps … Strong experience building Android applications using Kotlin, Java, and Jetpack Compose Proven background in test-driven development, automated testing frameworks, mocking/stubbing and performance optimisation Experience leading and supporting engineering teams in a matrix or cross-functional structure Ability to translate complex business and product requirements into ...

Senior .Net Developer

Hiring Organisation
Morris Sinclair Recruitment
Location
REMOTE, St James's Square, Greater London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum
Style Coding Challenge Designed to evaluate algorithmic problem-solving skills Focus on efficient, optimised solutions Challenges will test: Data Structures Algorithm Design Computational Thinking Performance Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial ...

Senior .Net Developer

Hiring Organisation
MORRIS SINCLAIR RECRUITMENT LTD
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
Style Coding Challenge Designed to evaluate algorithmic problem-solving skills Focus on efficient, optimised solutions Challenges will test: Data Structures Algorithm Design Computational Thinking Performance Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial ...

Senior Full Stack Engineer

Hiring Organisation
Sanderson Recruitment
Location
United Kingdom
Employment Type
Permanent
Salary
£85,000
designers, product managers, and fellow engineers to translate vision and requirements into scalable, elegant solutions. You'll play a key role in elevating product performance, solving deep engineering challenges, and driving improvements across standards, processes, and tooling. Key Responsibilities Build, enhance, and maintain full-stack features across backend … frontend systems. Translate product and UX requirements into reliable, scalable, high-performance code. Collaborate cross-functionally to deliver polished, seamless product experiences. Solve complex problems related to scalability, performance, and developer experience. Elevate engineering processes, standards, and tooling across the team. Essential Skills & Experience Ideally, you will bring ...

Fullstack API Engineer

Hiring Organisation
Vallum Associates Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day Inside IR35
middleware More than 8 years' experience programming in Java and ideally Go and Rust Expertise in JVM tuning and diagnostic for application troubleshooting and performance-optimization Expertise in distributed system design including microservices, Springboot Experience working with Kafka, Docker, k8s, service mesh Experience with monitoring and observability technologies: Splunk ...

Senior Java Engineer - Dublin, Hybrid

Hiring Organisation
Tiger Resourcing Group
Location
United Kingdom
Employment Type
Permanent
Salary
EUR 80,000 Annual
event-sourced components. Collaborate with architecture and compliance teams to enhance cross-border transfer capabilities. Participate in code reviews, technical design sessions, and performance optimization efforts. Troubleshoot production issues and support platform stability initiatives. Required Skills & Experience Strong Back End engineering experience with Java, Spring Boot, Hibernate, Maven. Proven ...

Fullstack API Engineer

Hiring Organisation
Vallum Associates
Location
Handsworth, West Midlands, UK
Employment Type
Full-time
middleware More than 5+ years' experience programming in Java and ideally Go and Rust Expertise in JVM tuning and diagnostic for application troubleshooting and performance-optimization Expertise in distributed system design including microservices, Springboot Experience working with Kafka, Docker, k8s, service mesh Experience with monitoring and observability technologies: Splunk ...

Power BI Developer

Hiring Organisation
DGH Recruitment Ltd
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£45000 - £53000/annum
Effective communication and agile team collaboration. Preferred Skills Experience with Azure Data Services (SQL, Data Factory, Synapse). Knowledge of reporting governance, security, and performance optimization. Integration with Microsoft tools (SharePoint, Power Apps, Teams). Exposure to REST APIs and MDM tools. In accordance with the Employment Agencies ...

Power BI Developer

Hiring Organisation
DGH Recruitment Ltd
Location
East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£55000 - £60000/annum
Effective communication and agile team collaboration. Preferred Skills Experience with Azure Data Services (SQL, Data Factory, Synapse). Knowledge of reporting governance, security, and performance optimization. Integration with Microsoft tools (SharePoint, Power Apps, Teams). Exposure to REST APIs and MDM tools. In accordance with the Employment Agencies ...

Senior Engineer

Hiring Organisation
Stackstudio Digital Ltd
Location
Shefford, Bedfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
design, development, and operation of complex distributed systems in a modern cloud provider. Deep knowledge of REST API design, scalability, fault tolerance, and performance optimization. Demonstrated ability to own projects end-to-end and mentor junior engineers. Significant experience with production infrastructure, observability, and incident management. Strong collaboration ...

Marketplace Manager

Hiring Organisation
Simple Lighting Ltd
Location
Birkenhead, Merseyside, United Kingdom
Employment Type
Permanent
Salary
£37500 - £45000/annum
manage our presence across major online marketplaces. You will be responsible for developing strategy, working with our team to build listings, ensuring compliance, optimising performance, managing ads, monitoring profitability, and scaling revenue across all platforms. This role is ideal for someone who has successfully launched brands and managed teams … plan for the following channels, upon agreed priority: Amazon eBay (url removed) The Range Debenhams Wayfair OnBuy Additional marketplaces based on your research and performance insights. Key Responsibilities Marketplace Launch & Setup Create and execute the full marketplace launch strategy across Amazon, eBay, (url removed), Wayfair, Debenhams, The Range ...

Oracle Database Administrator

Hiring Organisation
Noir
Location
Kendal, Cumbria, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Database Administrator - Healthcare Technology - Burton-in-Kendal/Hybrid (Key skills: Oracle DBA, Oracle 12c+, OCI, SQL, PL/SQL, ORDS, Data Guard, RMAN, Performance Tuning, Database Security, Linux/Windows, Cloud Migration, API Interfaces, Monitoring Tools, AWR/ASH, Statspack, Agile) Are you an experienced Oracle Database Administrator … ownership of a diverse Oracle database estate, ensuring systems are secure, optimised and highly available. You'll be responsible for installation, configuration, patching, upgrades, performance tuning and troubleshooting across multiple on-premise and cloud environments. Working closely with development and application teams, you'll help refine SQL queries, streamline ...

Lead Deliverability Consultant

Hiring Organisation
APL Media Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
from all backgrounds and is committed to building an inclusive, supportive workplace. Why This Role Matters Revenue Engine: You’ll ensure the reliability and performance of the outbound email ecosystem that fuels millions in potential sales pipeline. Technical Ownership: You’ll design, monitor, and continuously improve the cold email … maintain deliverability while scaling outreach volume. Evaluate and integrate deliverability tools (Google Postmaster, GlockApps, Warmbox, Instantly, Validity/Everest and Workbooks CRM). Performance Optimisation Partner with Sales leadership to optimize sending cadence, personalisation, and engagement patterns. Run experiments to improve inbox placement and response rates across different ...

Full Stack Developer

Hiring Organisation
Pertemps Leicester
Location
Meriden, Coventry, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
maintaining modern web applications Writing and optimising SQL queries to support application functionality Collaborating with the team to solve technical challenges and improve performance Supporting and mentoring junior developers , sharing your knowledge and experience What We’re Looking For: Strong experience in web-based development , with a passion … database interaction Some experience mentoring or supporting junior developers Nice to Have: Experience with C# and modern Angular frameworks Knowledge of web application performance optimisation Strong communication skills to share ideas and collaborate effectively Why Join? This is a fantastic opportunity to grow your career, work onsite with ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Bradford, UK
Employment Type
Full-time
approaches including working with agentic architecture. Key Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet … preferably AWS) and infrastructure-as-code Ø Experience with containerisation, orchestration, and CI/CD pipelines Ø Understanding of database scaling, caching strategies, and performance optimisation Ø Familiarity with LLM technologies and latest utilisation methodologies, including agentic workflows Ø Strong understanding of software design principles and coding standards ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Aberdeen, UK
Employment Type
Full-time
approaches including working with agentic architecture. Key Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet … preferably AWS) and infrastructure-as-code Ø Experience with containerisation, orchestration, and CI/CD pipelines Ø Understanding of database scaling, caching strategies, and performance optimisation Ø Familiarity with LLM technologies and latest utilisation methodologies, including agentic workflows Ø Strong understanding of software design principles and coding standards ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Midlands, UK
Employment Type
Full-time
approaches including working with agentic architecture. Key Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet … preferably AWS) and infrastructure-as-code Ø Experience with containerisation, orchestration, and CI/CD pipelines Ø Understanding of database scaling, caching strategies, and performance optimisation Ø Familiarity with LLM technologies and latest utilisation methodologies, including agentic workflows Ø Strong understanding of software design principles and coding standards ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
London, UK
Employment Type
Full-time
approaches including working with agentic architecture. Key Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet … preferably AWS) and infrastructure-as-code Ø Experience with containerisation, orchestration, and CI/CD pipelines Ø Understanding of database scaling, caching strategies, and performance optimisation Ø Familiarity with LLM technologies and latest utilisation methodologies, including agentic workflows Ø Strong understanding of software design principles and coding standards ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Cardiff, UK
Employment Type
Full-time
approaches including working with agentic architecture. Key Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet … preferably AWS) and infrastructure-as-code Ø Experience with containerisation, orchestration, and CI/CD pipelines Ø Understanding of database scaling, caching strategies, and performance optimisation Ø Familiarity with LLM technologies and latest utilisation methodologies, including agentic workflows Ø Strong understanding of software design principles and coding standards ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Manchester, UK
Employment Type
Full-time
approaches including working with agentic architecture. Key Responsibilities Backend Development & Architecture - Design and implement scalable Python backend services, architect and maintain secure, high-performance, production multi-tenant systems, and develop RESTful and asynchronous APIs for internal and external use. LLM, Agents & AI Integration - Drive R&D innovation to meet … preferably AWS) and infrastructure-as-code Ø Experience with containerisation, orchestration, and CI/CD pipelines Ø Understanding of database scaling, caching strategies, and performance optimisation Ø Familiarity with LLM technologies and latest utilisation methodologies, including agentic workflows Ø Strong understanding of software design principles and coding standards ...