Permanent Performance Optimisation Jobs in the UK excluding London

1 to 25 of 81 Permanent Performance Optimisation Jobs in the UK excluding London

Principal Frontend Developer - £75k-£80k

Manchester, Lancashire, England, United Kingdom
Hybrid / WFH Options
Lorien
Technology, Software Architects and team leads, so strong stakeholder management ability is crucial. Duties: Designing, developing, and optimising full-stack JavaScript systems and components (React, Node.js, Typescript) Scaling and performance optimisation of web front-end and interaction with API layers Resolve high-level, complex software challenges and optimise system performance Implement software development processes, including Agile and … Thorough grasp of distributed web caching tools and techniques, e.g. Redis, etc Understanding of fundamental software development best practices, architectures and patterns Awareness of modern deployment methodologies Expertise in performance optimisation of web technologies Willingness to challenge process and existing ways of working or to truly own the domain you're a part of, pushing for innovation through More ❯
Employment Type: Full-Time
Salary: £75,000 - £80,000 per annum
Posted:

Senior Fullstack Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Reed.co.uk
coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial software development experience, with … solutions. Desirable Experience with containerisation and orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. Benefits Hybrid working as More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum
Posted:

Application Reliability and Performance Engineer

Reigate, Surrey, England, United Kingdom
Hybrid / WFH Options
esure Group
exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Job Description We are currently recruiting for an Application Reliability and performance Engineer to join our Team. We are seeking a high motivated individual to bring a diverse skill set and proactive mindset to help ensure the stability, efficiency, and resilience … query language and PLSQL Agile principles and ways of working Excellent client-facing communication skills DevOps mindset Excellent problem-solving abilities Automation Core AWS Services & Infrastructure as Code Application Performance Optimisation Additional Information What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary bonus scheme that recognises your hard work and contributions More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Lead Senior Web Developer

Rushden, Northamptonshire, England, United Kingdom
Allegiance Technology
e-commerce, internal applications, and integration systems.The core technology stack is based on C#, and the ideal candidate will have a solid understanding of infrastructure, server management, system security, performance optimisation, and full-stack development. Proficiency in HTML, CSS, JavaScript, MSSQL, Postgres, RabbitMQ, and Redis is essential.This is a challenging and varied role, offering the opportunity to lead … web services and APIs* Participate in all phases of the SDLC* Analyse and debug software issues* Develop and execute data migration plans* Ensure data quality and integrity* Optimise database performance Requirements: * Proven experience in web and software development* Hands-on experience with Redis or similar caching solutions* Proficient with Git and version control systems* Familiarity with SOLR or equivalent More ❯
Employment Type: Full-Time
Salary: £65,000 - £70,000 per annum
Posted:

Dynamics 365 Developer

Basingstoke, Hampshire, South East, United Kingdom
Hybrid / WFH Options
Southern Communications Ltd
with external data sources and APIs. Manage CRM customisations including plugins, workflow extensions, business rules, forms, and dashboards . Lead end-to-end implementations, including data migration, integration, and performance tuning. Team & Technical Leadership Provide technical direction and oversight to other developers and contractors, helping to manage task allocation, priorities, and quality. Act as a bridge between transformation squads … knowledge of HTML, CSS, XML, JSON . Experience in integrating with Microsoft Azure services such as Logic Apps, Functions, and Azure DevOps pipelines. Comfortable with complex data modelling and performance optimisation in large-scale CRM environments. Adept at explaining technical solutions to non-technical stakeholders and working closely with business users. Hands-on experience with CI/CD … work independently and mentor others. Strong team player who thrives in collaborative environments. Excellent attention to detail and commitment to quality. Organised and capable of working in a high-performance, fast-paced setting. A natural coach, keen to upskill colleagues and foster a strong development culture. Benefits Flexible hybrid working environment Exposure to enterprise-wide digital transformation Opportunity to More ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

Dynamics 365 Developer

Cardiff, Wales, United Kingdom
Hybrid / WFH Options
Southern Communications Ltd
with external data sources and APIs. Manage CRM customisations including plugins, workflow extensions, business rules, forms, and dashboards . Lead end-to-end implementations, including data migration, integration, and performance tuning. Team & Technical Leadership Provide technical direction and oversight to other developers and contractors, helping to manage task allocation, priorities, and quality. Act as a bridge between transformation squads … knowledge of HTML, CSS, XML, JSON . Experience in integrating with Microsoft Azure services such as Logic Apps, Functions, and Azure DevOps pipelines. Comfortable with complex data modelling and performance optimisation in large-scale CRM environments. Adept at explaining technical solutions to non-technical stakeholders and working closely with business users. Hands-on experience with CI/CD … work independently and mentor others. Strong team player who thrives in collaborative environments. Excellent attention to detail and commitment to quality. Organised and capable of working in a high-performance, fast-paced setting. A natural coach, keen to upskill colleagues and foster a strong development culture. Benefits Flexible hybrid working environment Exposure to enterprise-wide digital transformation Opportunity to More ❯
Posted:

Dynamics 365 Developer

Hemel Hempstead, Hertfordshire, South East, United Kingdom
Hybrid / WFH Options
Southern Communications Ltd
with external data sources and APIs. Manage CRM customisations including plugins, workflow extensions, business rules, forms, and dashboards . Lead end-to-end implementations, including data migration, integration, and performance tuning. Team & Technical Leadership Provide technical direction and oversight to other developers and contractors, helping to manage task allocation, priorities, and quality. Act as a bridge between transformation squads … knowledge of HTML, CSS, XML, JSON . Experience in integrating with Microsoft Azure services such as Logic Apps, Functions, and Azure DevOps pipelines. Comfortable with complex data modelling and performance optimisation in large-scale CRM environments. Adept at explaining technical solutions to non-technical stakeholders and working closely with business users. Hands-on experience with CI/CD … work independently and mentor others. Strong team player who thrives in collaborative environments. Excellent attention to detail and commitment to quality. Organised and capable of working in a high-performance, fast-paced setting. A natural coach, keen to upskill colleagues and foster a strong development culture. Benefits Flexible hybrid working environment Exposure to enterprise-wide digital transformation Opportunity to More ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

Dynamics 365 Developer

Cardiff, South Glamorgan, Wales, United Kingdom
Hybrid / WFH Options
Southern Communications Ltd
with external data sources and APIs. Manage CRM customisations including plugins, workflow extensions, business rules, forms, and dashboards . Lead end-to-end implementations, including data migration, integration, and performance tuning. Team & Technical Leadership Provide technical direction and oversight to other developers and contractors, helping to manage task allocation, priorities, and quality. Act as a bridge between transformation squads … knowledge of HTML, CSS, XML, JSON . Experience in integrating with Microsoft Azure services such as Logic Apps, Functions, and Azure DevOps pipelines. Comfortable with complex data modelling and performance optimisation in large-scale CRM environments. Adept at explaining technical solutions to non-technical stakeholders and working closely with business users. Hands-on experience with CI/CD … work independently and mentor others. Strong team player who thrives in collaborative environments. Excellent attention to detail and commitment to quality. Organised and capable of working in a high-performance, fast-paced setting. A natural coach, keen to upskill colleagues and foster a strong development culture. Benefits Flexible hybrid working environment Exposure to enterprise-wide digital transformation Opportunity to More ❯
Employment Type: Permanent, Work From Home
Salary: £75,000
Posted:

Full stack Angular software engineer

Edinburgh, Midlothian, Scotland, United Kingdom
Avaloq
browsers Write clean, efficient, and well-documented code adhering to best practices and coding standards Participate in code reviews and contribute to continuous improvement of development processes Optimize application performance and loading times for enhanced user experience Stay up-to-date with the latest trends and technologies in front-end development Troubleshoot and debug issues in existing applications Work … ORM and microservices, object-oriented and functional programming and solid understanding of responsive web design and cross-browser compatibility experience with version control systems (preferably Git & Bitbucket) and web performance optimisation It would be a real bonus if you have Bachelor's degree in Computer Science, Software Engineering or related field. Additional European language skills (ideally German) track More ❯
Employment Type: Permanent
Posted:

Software Development Manager

Bradford, West Yorkshire, England, United Kingdom
VIQU Limited
Responsibilities: Lead, motivate, and manage the development team as the Software Development Manager , promoting accountability and technical excellence. Oversee SDLC for .NET applications , ensuring robust coding standards, security, and performance optimization. Implement and enforce peer code reviews and unit testing frameworks. Collaborate with business stakeholders to translate requirements into technical deliverables. Manage project timelines, resources, and delivery as the More ❯
Employment Type: Full-Time
Salary: £50,000 - £65,000 per annum
Posted:

Head of Growth

Leeds, Yorkshire, United Kingdom
The Growth Foundation
Strategic Leadership: Develop and own the comprehensive growth and digital marketing strategy, aligning closely with the wider Leadership Team and Ops Board to meet broader company objectives. Channel Management & Optimisation: Oversee and optimise the performance of all digital channels (paid social, PPC, SEO, affiliates, programmatic, and emerging platforms), staying abreast of industry best practices and innovation. Establish KPIs … monitor performance with robust reporting frameworks, and ensure proper attribution models are in place. Move with pace to evaluate and implement new channels, tools, and technologies. Agency Management: Lead relationships with digital and creative agencies, ensuring alignment with brand messaging and performance goals, while effectively managing budgets, timelines, and deliverables. Team Development & Culture: Build, mentor, and inspire a … and future trends. Strong analytical acumen with the ability to interpret complex data sets, attribution models and derive actionable insights, and utilise data effectively for strategic decision-making and performance optimisation in a rapidly evolving digital landscape. Experience managing significant marketing budgets (multi-million pound) and a proven history of effectively overseeing multiple agency relationships to drive ROI. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Lead C# Software Engineer

Manchester, North West, United Kingdom
Hybrid / WFH Options
Adria Solutions
the financial services or SaaS industry What Were Looking For: Proven experience as a Senior or Lead Developer working with C#/.NET Solid knowledge of SQL Server and performance optimization Proficiency in JavaScript/TypeScript and front-end development Strong problem-solving skills and the ability to work autonomously in a remote setup Comfortable leading technical discussions and More ❯
Employment Type: Permanent
Salary: £85,000
Posted:

Lead C# Software Engineer

Nottingham, Nottinghamshire, East Midlands, United Kingdom
Hybrid / WFH Options
Adria Solutions
the financial services or SaaS industry What Were Looking For: Proven experience as a Senior or Lead Developer working with C#/.NET Solid knowledge of SQL Server and performance optimization Proficiency in JavaScript/TypeScript and front-end development Strong problem-solving skills and the ability to work autonomously in a remote setup Comfortable leading technical discussions and More ❯
Employment Type: Permanent
Salary: £85,000
Posted:

PHP (Software Developer)

Bury, Lancashire, England, United Kingdom
Hybrid / WFH Options
Crown Gas & Power
and maintain web applications using PHP, Laravel, and React Collaborate with teams to define technical requirements and improve architecture Write clean, efficient, and well-documented code Debug and resolve performance and functionality issues Design and optimise MySQL database schemas Participate in code reviews and follow best coding practices Stay updated with emerging web technologies and development trends Required Experience … development experience 2+ years with Laravel 2+ years with HTML/CSS, JavaScript, and jQuery 1+ year with React Experience with MySQL database design Familiarity with nginx configuration and performance optimisation Proficient with Git version control Strong analytical and problem-solving skills Excellent communication and collaboration abilities Preferred (Not Essential) Experience with REST APIs Familiarity with Docker or More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Snowflake Data Engineer

South East London, London, United Kingdom
COMPUTACENTER (UK) LIMITED
ll do Design and implement data solutions using Snowflake across cloud platforms (Azure and AWS) Build and maintain scalable data pipelines and ETL processes Optimise data models, storage, and performance for analytics and reporting Ensure data integrity, security, and best practice compliance Serve as a subject matter expert in Snowflake engineering efforts within delivery teams Collaborate with internal teams … Identify and escalate technical risks where necessary What you'll need Proven experience designing and delivering enterprise-scale data warehouse solutions using Snowflake In-depth understanding of Snowflake architecture, performance optimisation, and best practices Strong experience in ETL development, data modelling, and data integration Proficient in SQL, Python, and/or Java for data processing Hands-on experience More ❯
Employment Type: Permanent
Posted:

Product Manager

Nottingham, Nottinghamshire, East Midlands, United Kingdom
Hybrid / WFH Options
Experian Ltd
Define short-term and long-term roadmaps, setting clear goals, goals, and important results. Business Case Development: Create business cases for new product investments and enhancements to existing capabilities. Performance Optimisation: Monitor and improve performance against both commercial and non-commercial Indicators. Partnership: Collaborate with commercial, compliance, technology, and design teams to deliver impactful user and outcomes. … to inform product strategy. Qualifications Data focused Product management experience Degree level qualification or equivalent professional experience Experience adopting Agile delivery methodologies Demonstrate product passion and obsession for client performance metrics and feedback Additional Information Benefits package includes: Flexible work environment, working hybrid or in the office if you prefer. Great compensation package and discretionary bonus plan Core benefits More ❯
Employment Type: Permanent, Work From Home
Posted:

Data Software Engineer Python PySpark

Birmingham, West Midlands, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
enables teams to ingest, store, transform and serve their own data products. You'll take a lead in data transformation, setting up best practices in areas like Data modelling, performance optimisation and Data Governance to ensure that the data used within the business is consistent, available and reliable. You will be supported with continual learning and self development More ❯
Employment Type: Full-Time
Salary: £80,000 - £95,000 per annum
Posted:

React Native Engineer

Skipton, North Yorkshire, Yorkshire, United Kingdom
Hybrid / WFH Options
Skipton Building Society
native mobile development for either in Android or iOS platforms. Familiarity with playwright end to end testing. Experience using Storybook or component-driven development practices . Familiarity with mobile performance optimisation and accessibility standards . Exposure to Azure (or other cloud services like AWS) Understanding of Agile methodologies (Scrum, SAFe ) Awareness of TDD/BDD workflows Will be More ❯
Employment Type: Permanent, Work From Home
Posted:

Frontend Developer - Hybrid / Remote Gateshead

Gateshead, Tyne and Wear, England, United Kingdom
Hybrid / WFH Options
Reed
Frontend Developer – Hybrid/Remote | Gateshead Salary up to £45K DOE + Excellent Benefits | Permanent Role Are you a frontend developer who thrives on crafting high-performance, user-focused digital experiences? We’re working with a major UK-based organisation at the forefront of digital transformation in the retail and services sector. With a national footprint and millions of … Bring: 3+ years of frontend development experience Strong skills in HTML, CSS/SCSS, and vanilla JavaScript Proficiency with React and state management tools (e.g. Redux) Deep understanding of performance optimisation and Core Web Vitals Solid grasp of SEO best practices and accessibility standards Experience working with RESTful APIs and GraphQL Bonus points for experience with: Testing tools More ❯
Employment Type: Full-Time
Salary: £35,000 - £45,000 per annum, Inc benefits
Posted:

Senior Embedded Engineer

Cambridgeshire, United Kingdom
Experis
collaborative Senior Software Engineer with a broad background in both application and embedded development. You'll play a key role in the full lifecycle of development, including system integration, performance optimisation, and process automation. Key Responsibilities: Lead the development of complex features and project modules Collaborate across teams, including with external stakeholders Support the software manager in planning … estimation, and requirements gathering Design and integrate software with electronic systems and hardware Build and maintain CI/CD pipelines (e.g., Jenkins, GitLab) Monitor system performance and troubleshoot technical issues Mentor junior engineers and manage sprint boards Essential Skills & Experience: 5+ years in application and firmware/embedded software development (C/C++, Python, Rust) Strong hardware/software More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Embedded Engineer

Cambridgeshire, East Anglia, United Kingdom
Experis UK
collaborative Senior Software Engineer with a broad background in both application and embedded development. You'll play a key role in the full lifecycle of development, including system integration, performance optimisation, and process automation. Key Responsibilities: Lead the development of complex features and project modules Collaborate across teams, including with external stakeholders Support the software manager in planning … estimation, and requirements gathering Design and integrate software with electronic systems and hardware Build and maintain CI/CD pipelines (e.g., Jenkins, GitLab) Monitor system performance and troubleshoot technical issues Mentor junior engineers and manage sprint boards Essential Skills & Experience: 5+ years in application and firmware/embedded software development (C/C++, Python, Rust) Strong hardware/software More ❯
Employment Type: Permanent
Posted:

Front End Web Developer

Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Hybrid / WFH Options
Nigel Wright Group
Experience 3+ Years of frontend development experience Expert in HTML, CSS/SCSS, and vanilla JavaScript Proven experience with React and state management (Redux or similar) Strong understanding of performance optimisation and Core Web Vitals Experience implementing and maintaining SEO best practices Proficiency with Git/GitHub in a team environment Experience consuming RESTful APIs and GraphQL endpoints More ❯
Employment Type: Full-Time
Salary: £40,000 - £45,000 per annum
Posted:

Senior Linux Automation Consultant

Crawley, Sussex, United Kingdom
Henderson Scott
to create truly integrated solutions. Champion agile delivery - facilitating agile ceremonies and promoting continuous improvement. What You'll Bring Expert Linux sysadmin skills , with a focus on automation and performance optimization. Strong hands-on experience with tools like Terraform, Ansible, Zabbix, and Git. Cloud knowledge - especially AWS and virtualization tech like Nutanix. Great communication skills - you know how to More ❯
Employment Type: Permanent
Salary: GBP 40,000 - 80,000 Annual
Posted:

Senior Linux Automation Consultant

Crawley, West Sussex, South East, United Kingdom
Henderson Scott
to create truly integrated solutions. Champion agile delivery - facilitating agile ceremonies and promoting continuous improvement. ?? What You'll Bring ? Expert Linux sysadmin skills , with a focus on automation and performance optimization. ? Strong hands-on experience with tools like Terraform, Ansible, Zabbix, and Git. ? Cloud knowledge - especially AWS and virtualization tech like Nutanix. ? Great communication skills - you know how to More ❯
Employment Type: Permanent
Salary: £80,000
Posted:

Ruby Developer

Gloucester, Gloucestershire, England, United Kingdom
Hybrid / WFH Options
Avanti
Experience working in Agile environments Strong TDD skills using tools like RSpec Knowledge of relational databases and SQL Git or other version control experience Linux knowledge Bonus Points For: Performance optimization experience with large Rails applications MySQL query and database optimization Experience integrating LLMs into Rails applications Degree level education or equivalent experience The Role Offers: Salary: Up to More ❯
Employment Type: Full-Time
Salary: £50,000 - £60,000 per annum
Posted:
Performance Optimisation
the UK excluding London
10th Percentile
£45,000
25th Percentile
£53,000
Median
£69,315
75th Percentile
£75,000
90th Percentile
£83,750