1 to 25 of 160 Permanent Performance Optimisation Jobs in the UK excluding London

Practices Conduct in-depth reviews of codebases to identify issues, inefficiencies, and potential security vulnerabilities. Provide recommendations on best practices, including coding standards, design patterns, and maintainability improvements. Support performance optimisation through refactoring and improved architecture. Support testing and QA process. 2. Cloud Infrastructure Support & Design Assist in designing, implementing, and optimising cloud infrastructure (predominantly Azure) Provide guidance … and provide remediation strategies. Ensure compliance with industry standards (ISO 27001, GDPR, SOC 2, etc.). Implement best practices for secure software development (OWASP, encryption, IAM, etc.). 6. Performance Optimisation & Scaling Analyse system bottlenecks and recommend performance tuning strategies. Support database optimisations, caching mechanisms, and load balancing strategies. Assist in designing auto-scaling solutions to handle More ❯

the UK and U.S. This will involve working closely with the Heads of Technology, Software Architects and team leads, so strong stakeholder management ability is crucial. Duties: 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 ❯

and execute the product roadmap in alignment with business growth and customer needs. Identify opportunities to enhance user engagement, conversion, and operational efficiencies. Develop and implement SEO (Search Engine Optimisation), CRO (Conversion Rate Optimisation), and UX/UI strategies to improve site performance and user retention. Ensure digital assets (website, booking systems, customer portals) are optimised for … and bookings. Identify and prioritise new product features based on customer insights, market trends, and competitive analysis. Implement AI-driven personalisation and automation to enhance the customer experience. SEO & Performance Optimisation Lead technical and non-technical SEO initiatives to improve organic growth and search rankings. Work with developers to optimise site performance, page speed, and indexing. Implement … best practices for on-page and off-page SEO, link-building, and structured data. Monitor Google Analytics, HotJar, SQL, and other performance tools to track KPIs and inform decision-making. Lead a cross-functional team including UI/UX designers, analysts, front-end and back-end developers. Establish agile development and design sprint methodologies to drive fast, efficient execution. More ❯

a plus. Proficient use of UI Libraries such as Material UI or Ant Design. Skilled in building unit and E2E tests using Jest, Selenium, Cucumber or similar. Knowledge of performance optimisation techniques, optimise web performance and load times Awareness of web security best practices to protect applications from vulnerabilities Experience using build tools such as Webpack or … realise investment strategies and expand the scope for growth. And connections act as a catalyst. Sparking richer solutions for our clients to break new ground, modernising markets for future performance, and creating dynamic careers for our people. Our capacity to connect builds trust, supports communities and gives us the power to anticipate and respond to change, whatever direction the More ❯

and guidance to 2 software engineers, conducting code reviews, and establishing development best practices. Driving technical decision-making in collaboration with the Head of Product to ensure platform scalability, performance, and reliability. Leading sprint planning, technical estimation, and communicating technical concepts to non-technical stakeholders. Identifying and adopting emergent tools and practices that will contribute to long-term technical … success. Development & Engineering Responsibilities Maintain ownership of critical platform functionality by: Developing and maintaining PHP applications using Symfony framework with focus on performance and maintainability. Designing and optimising MySQL database schemas and queries to support postcode/address-based product availability logic. Building responsive front-end interfaces using JavaScript, CSS, and SASS that deliver excellent user experience across all … data protection compliance, and minimising customer-facing errors. Infrastructure & DevOps Responsibilities Manage and optimise AWS infrastructure by: Maintaining AWS compute and database infrastructure for reliable platform operation. Monitoring system performance, implementing optimisations, and ensuring platform uptime meets business requirements. Collaborating on infrastructure automation using Terraform where beneficial to operational efficiency. Taking responsibility for technical KPIs including site speed, security More ❯

Convera is seeking a Data Analyst with a primary focus on helping us measure and optimise our Operational performance by leveraging data, analytics and a technical skill set. You will be reporting into the Instrumentation team who are responsible for the transformation of our data, reporting and analytics, as well as the roll out of data products and machine … Developing automated data products to consistently drive effective insights and measurable results at scale • The design, build and maintenance of high-quality dashboards, KPIs and visualisations to evaluate business performance • Supporting performance optimisation across the business by sharing data, analytical expertise, and subject matter knowledge • Working with other Instrumentation and technology teams to ensure that relevant data More ❯

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 ❯

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 ❯

elite DevOps and technical teams. Responsibilities Lead the charge in architecting, deploying, and operating next-generation platform services encompassing advanced Kubernetes environments, intelligent server provisioning, and game-changing High-Performance Computing systems. Master the art of infrastructure construction through cutting-edge code-driven methodologies utilising industry-leading Terraform, Ansible, and Helm technologies. Engineer bulletproof platform frameworks that enable lightning … fast containerised workloads, distributed systems, and performance-critical trading applications that process millions of transactions. Drive innovation through standardised automation, seamless resource provisioning, and intelligent configuration oversight across multiple high-stakes operational environments. Champion collaboration with elite DevOps, development, and quantitative research teams to unlock platform capabilities and deliver game-changing project outcomes. Bridge worlds by connecting on-site … infrastructure with hybrid and public cloud platforms (Azure, AWS) to supercharge computational capacity and resource federation. Own performance excellence through advanced platform optimisation, real-time monitoring, and rapid incident resolution to maintain mission-critical system availability. Orchestrate seamless operations by coordinating infrastructure updates, security hardening, data protection, and rock-solid business continuity procedures for essential platform components. Champion More ❯

powerful yet underutilised strategies for achieving commercial stability and growth. By adopting a strategic approach to relationship management, we support businesses in leveraging these crucial connections to drive financial performance and growth. Role Overview We are seeking an experienced and people-focused Team Lead to guide our engineering team in delivering high-quality, scalable solutions. This role blends technical … leadership with team management, offering the opportunity to remain hands-on with code while supporting the growth and performance of the team. Key Responsibilities: Lead, coach, and mentor a team of developers to ensure successful delivery of projects Work closely with product managers, UX designers, and stakeholders to define technical requirements and priorities Participate in architectural discussions and guide … best practices across the development lifecycle Maintain a balance between hands-on coding and leadership responsibilities Facilitate sprint planning, daily stand-ups and retrospectives Conduct regular 1:1s, performance reviews and support individual growth plans Ensure high code quality through reviews, testing, and process improvements Identify and resolve blockers, technical debt and process bottlenecks Champion a culture of continuous More ❯

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 ❯

for a Staff Software Engineer to take on a leading role within our Magento 2 development team. You'll be a key figure in shaping the architecture, ensuring high performance across multiple websites, and guiding a skilled team of engineers. If you have deep Magento experience, a passion for clean code, and thrive in a fast-paced e-commerce … multiple web stores and application instances in a high-volume e-commerce environment. Set and maintain technical standards, conduct architectural reviews, and ensure best practices across the codebase. Drive performance improvements across frontend and backend with a focus on scalability, speed, and resilience. Support the delivery of business-critical features while maintaining high-quality code and system stability. Collaborate … pipelines and testing practices to support continuous delivery. Provide line management, coaching, and technical mentorship to a team of Magento developers. Own and drive resolution of platform-level issues (performance, technical debt, refactoring, upgrades, etc.). Optionally facilitate Scrum ceremonies (planning, stand-ups, retrospectives) and contribute to improving delivery processes. Engage in regular code reviews, architecture sessions, and technical More ❯

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 ❯

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 ❯

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 ❯

and enforce best practices in infrastructure as code using tools such as Terraform, Ansible, or CloudFormation. Design and implement monitoring, logging, and alerting solutions to proactively identify and resolve performance issues. Provide technical leadership in troubleshooting complex infrastructure and deployment issues. Collaborate closely with development teams to improve software delivery efficiency and reliability. Implement and uphold security best practices … Experience with observability and monitoring tools such as Datadog, Grafana, or the ELK Stack. In-depth knowledge of networking, security protocols, and firewall configurations. Experience with database management and performance optimisation strategies. Familiarity with software development methodologies, including Agile and Waterfall. Experience in incident response and disaster recovery planning. Certara bases all employment-related decision on merit, taking More ❯

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 ❯

to set up their environments from test to release. You will analyze the specific situation and needs, providing documented guidelines for implementation. You will advise on security standards and performance optimization. You will design, develop, and oversee the implementation of solutions that improve the stability, scalability, availability, and latency of our product. At Backbase, we focus on providing solutions More ❯

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 ❯

day-to-day coding, solution design, and debugging • Work across front-end (HTML, CSS, JavaScript, Razor) and back-end (.NET/C#) development • Implement best practices in code quality, performance optimisation, and security • Conduct code reviews, sprint planning, and technical estimations • Collaborate with clients to gather requirements and offer technical insight • Oversee DevOps processes including CI/CD More ❯

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 ❯

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 ❯

customers can move the world forward with confidence and peace of mind. As a QA Engineer at Xirgo, you will play a pivotal role in ensuring the integrity and performance of complex systems through rigorous verification and validation processes. You'll collaborate with cross-functional teams-including hardware, firmware, and systems engineers -to develop and execute test plans, identify … logs and telemetry data to troubleshoot issues across hardware, firmware, and cloud layers . Contribute to and maintain test automation frameworks in Python or equivalent languages . Execute regression & performance tests to validate system robustness, e.g. accelerometer characterisation, GNSS/Wi-Fi performance optimisation . Document bugs clearly in issue tracking systems, e.g., JIRA, and support developers More ❯

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 ❯

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 ❯