1 to 25 of 117 Performance Optimisation Jobs in the UK excluding London

clients who operate across the country and worldwide. With a growing global presence and a people-first culture, our client is looking for a Dialler Manager who thrives on performance, optimisation, and results. Job Responsibilities: Full ownership of Connex One/Connex AI dialler: campaigns, queues, workflows & rules. Real-time performance optimisation: list penetration, recycle rules … to-call strategies. Data-driven reporting: contact rate, SPH, conversion, and abandonment analysis. Compliance leadership: DNC, consent management, and regulatory best practices. Collaborating with cross-functional teams to exceed performance KPIs. Skills/Experience: 3+ years of hands-on dialler experience – Connex One or Connex AI is a must . A proven track record in outbound sales or retention More ❯

. Contribute to back-end development with Node.js , and work with both relational and non-relational databases (e.g. MongoDB, SQL). Apply best practices in data modelling, indexing, and performance optimisation . Debug and deploy applications in cloud-based environments (AWS/Azure), including serverless solutions (e.g. Lambda, Azure Functions). Work with containers and event-driven architectures … experience with Node.js and back-end services (70/30 split front-end to back-end). Familiarity with databases (SQL or NoSQL) and good understanding of data structures, performance, and optimisation . Experience in cloud environments (AWS, Azure) and working with containers/serverless architectures. Ability to debug and troubleshoot distributed systems. Exposure to modern programming languages More ❯

. Contribute to back-end development with Node.js , and work with both relational and non-relational databases (e.g. MongoDB, SQL). Apply best practices in data modelling, indexing, and performance optimisation . Debug and deploy applications in cloud-based environments (AWS/Azure), including serverless solutions (e.g. Lambda, Azure Functions). Work with containers and event-driven architectures … experience with Node.js and back-end services (70/30 split front-end to back-end). Familiarity with databases (SQL or NoSQL) and good understanding of data structures, performance, and optimisation . Experience in cloud environments (AWS, Azure) and working with containers/serverless architectures. Ability to debug and troubleshoot distributed systems. Exposure to modern programming languages More ❯

and execution. You'll own the end-to-end product lifecycle - from initial ideation and market research (in conjunction with our MI team), through development and launch, to ongoing performance optimisation and eventual retirement. A key part of the role is supplier management : you'll oversee both internal teams and external vendors, ensuring they deliver on time, on … company's strategic goals and delivers tangible business value. Key Responsibilities Lead the full product lifecycle: Drive product development from concept and requirements gathering through to launch, in-life optimisation, and end-of-life retirement, ensuring a cohesive end-to-end process. Product portfolio representation: Manage and refine a portfolio of products, developing product strategy and roadmaps aligned with … launches are well-prepared and supported across the business. Stakeholder communication: Act as a key product evangelist and point of contact for product knowledge. Communicate product vision, updates, and performance clearly to stakeholders at all levels, from development teams to executive leadership. Feature prioritisation & pricing: Define and prioritise product features and enhancements based on customer needs, data insights, and More ❯

to-end, integration, and regression tests using automation tools such as Selenium, Cypress, or similar Experience using build tools such as Webpack or Vite and configuration files Knowledge of performance optimisation techniques to optimise web performance and load times Knowledge of web security best practices to protect applications from vulnerabilities Appreciation of the full SDLC, proactive involvement … line-managers and senior managers. It is critical that all staff discharge their risk management responsibilities when undertaking their role. Specific responsibilities are incorporated into employee objectives, and your performance against these objectives will be assessed as part of the firm's performance management process. You will also be required to confirm that you have discharged your risk More ❯

to deliver the best possible customer experience, with a focus on security, usability, and accessibility. Conduct and participate in code reviews, considering functional and non-functional requirements such as performance, resiliency, maintainability, and security. Promote continuous improvement in team effectiveness and culture, supporting changes that enhance productivity and happiness. Build a collaborative environment, coaching and mentoring less experienced engineers. … code principles, design patterns, distributed systems, software testing, CI/CD, and Agile methodologies (Scrum/Kanban). Knowledge of application security. Additional desirable skills: SQL, GraphQL, Maven Frontend performance optimisation API security and secure coding best practices Git release strategies Nice to have: Postgres, DynamoDB, Kubernetes, GitHub Actions, Feign, Quarkus. Proven track record in: Delivering well-optimised More ❯

platforms (AWS or Azure) Understanding of CI/CD pipelines and DevOps tools Knowledge of microservices or event-driven architecture Agile development and project planning experience Interest in security , performance optimisation , and scalable system design If you’re interested in the Software Engineer – Full-Stack Developer role, please apply with your CV or contact Charlotte Berry at C4S More ❯

JVM-based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving, and continuous improvement Bonus Points For Experience in microservices architecture and containerization (Docker, Kubernetes) Exposure More ❯

JVM-based systems (8+ years coding experience preferred) Solid background in system design, distributed systems, and cloud architectures (AWS/Azure/GCP) Passion for clean code, testing, and performance optimization Excellent communication, leadership, and decision-making skills A mindset for innovation, problem-solving, and continuous improvement Bonus Points For Experience in microservices architecture and containerization (Docker, Kubernetes) Exposure More ❯

access controls and metadata strategies that support democratised data usage while safeguarding privacy and security. Champion cost-aware architectural strategies that optimise resource utilisation, striking an effective balance between performance and budget. Oversee platform enhancements, integrations, and performance optimisation efforts. Ensure that all changes align with internal privacy, security, and compliance policies. Collaborate with business and technology … Fabric, Lakehouse, and ELT patterns. Familiar with data governance frameworks such as DCAM or equivalent, ensuring compliance and data stewardship. Can assess how architectural decisions impact business outcomes, platform performance and cost efficiency. Hands-on experience with Infrastructure-as-Code tools in Azure, particularly Terraform. Proficient in implementing CI/CD pipelines to support automated and reliable deployments. Strong … Investment Insight Investment is a leading asset manager focused on designing investment solutions to meet its clients' needs. Founded in 2002, Insight's collaborative approach has delivered both investment performance and growth in assets under management. Insight manages assets across its core liability-driven investment, risk management, full-spectrum fixed income, currency and absolute return capabilities. Insight has a More ❯

financial services or SaaS industry What We’re 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 ❯

CRO Analyst - Digital Experience & Optimisation Brighton or London (hybrid flexibility) £35,000 - £45,000 + Bonus + Unlimited Holiday + Training Budget The Opportunity A fast-growing, entrepreneurial digital business is looking for a Conversion Rate Optimisation (CRO) Analyst to join its high-performing team. Working across a broad portfolio of ambitious brands, you'll take ownership of … part of a dynamic, collaborative environment that values bold ideas, clear thinking, and real results. The Role This is a hands-on, strategic CRO role focused on delivering tangible performance improvements across digital experiences. You'll work closely with data, performance, UX, creative, and tech stakeholders to identify opportunities, build test hypotheses, and implement changes that improve conversion … research findings into wireframes, user flows, and annotated mockups using tools like Figma, InVision, or Adobe XD. Present insights and CRO roadmaps to internal stakeholders and senior leadership. Maintain performance dashboards and clearly communicate testing results, impact, and confidence intervals. Stay up to date with CRO trends, UX psychology, and testing technologies. Use front-end development skills (HTML, CSS More ❯

closely with our in-house team, you will ensure that our websites are visually appealing, user[1]friendly, and high performing. You will also be responsible for website speed optimisation, SEO best practices, and integrating marketing tools to enhance overall digital effectiveness. Design & Develop: Create and maintain high-quality, responsive websites using WordPress and Elementor. Performance Optimisation … You: Proven experience as a Website Designer, preferably within a professional services or agency environment. Expertise in WordPress & Elementor - customising themes, layouts, and functionalities. Strong understanding of website speed optimisation & Core Web Vitals. SEO knowledge - on-page optimisation, schema markup, and technical SEO. Proficiency in HTML, CSS, and JavaScript (basic to intermediate). Basic knowledge of PHP and … MySQL for WordPress customisations. Experience with Google Analytics & Search Console for performance tracking and reporting. Familiarity with marketing automation tools & CRM integrations Attention to detail - ensuring consistency in design, functionality, and performance. Ability to collaborate effectively within a team and take feedback constructively Benefits: A salary of £25,000 Working 8.30am until 5pm On site parking Duvet days Early More ❯

other frameworks Vue, React and Angular.* Experience with responsive design and cross-browser compatibility.* Familiarity with RESTful APIs and integration with backend services.* Understanding of accessibility standards (WCAG) and performance optimisation.* Experience with Git, Visual Studio Code, and front-end build tools (e.g. Webpack, Vite).* Strong communication and collaboration skills with business stakeholders. This really is a fantastic More ❯

complex areas of the platform and ensure solutions are robust, secure, and scalable. Write automated and manual tests to guarantee code quality. Contribute to database and infrastructure design, including performance optimisation. Run code reviews and share knowledge with teammates. Collaborate with stakeholders to translate business needs into efficient technical solutions. Essential Skills 5+ years experience with Laravel 5+ years More ❯

data pipelines, services, and applications Manage and optimise AWS services: S3, Lambda, ECS, RDS, IoT Core, Glue,CloudWatch Monitor and troubleshoot data pipelines and ETL workloads for reliability and performance Support secure networking, IAM roles, and data access policies across environments Work closely with data engineers, software developers, and analytics teams Enable continuous improvement of deployment processes and platform … observability Contribute to platform architecture and performance optimisation About you: Commercial experience in DevOps, Site Reliability, or Cloud Engineering Strong experience with AWS services and infrastructure automation Proficient with Terraform (or similar IaC tools) and CI/CD practices Skilled in Linux systems, networking, and containerised deployments (Docker) Experience with scripting (Python, Bash) and automation workflows Familiarity with More ❯

in Manchester. Our client is looking for an experienced Senior Data Engineer with a strong background in Azure Data Services and Data Fabric to support the design, build, and optimisation of enterprise-grade data solutions. The role requires hands-on expertise in developing advanced data pipelines, architecting data lake structures, aligning governance frameworks, and enabling robust reporting capabilities. The … data architecture as well as governance principles. Responsibilities Build complex ETL/ELT pipelines from scratch, integrating multiple data sources while implementing advanced transformations using mapping data flows Optimise performance and manage dependencies, ensuring robust monitoring/debugging of pipelines Architect and implement hierarchical data storage structures with partitioning as well as lifecycle policies Define and apply advanced RBAC … and Azure DevOps Demonstrated ability to architect scalable, secure, and governed data platforms Solid understanding of data governance and Data Fabric principles Experience working with data modelling, transformations, and performance optimisation Strong problem-solving skills Solid communication and stakeholder engagement skills Project Management and analytical thinking skills Why join us Career coaching, mentoring and access to upskilling throughout More ❯

designers, back-end developers, and product teams to deliver high-quality features Writing clean, maintainable code and collaborating through Git and version control workflows Applying best practices around accessibility, performance, and cross-browser compatibility Participating in agile development processes and regular sprint planning What youll need 2+ years of commercial experience in front-end development Solid experience with React … methodologies Strong understanding of ES6+ JavaScript Familiarity with npm, Webpack, NVM, and other build tools Experience with Redux, Redux Toolkit, or advanced state management Understanding of SEO basics and performance optimisation techniques Exposure to Node.js for front-end tooling or integrations Experience with CMS platforms like Umbraco, Episerver, or Drupal Awareness of front-end security considerations and best More ❯

testing platform , working closely with structurers and front office stakeholders. The position offers direct business interaction, exposure to real-world trading problems, and the opportunity to build robust, high-performance solutions in a dynamic environment. Responsibilities Develop and enhance Python-based models for: Historical index back-testing Daily pricing and index level generation Weighting and rebalancing logic Basket decomposition … with Flask or FastAPI for API development. Proficiency in time-series data manipulation and back-testing methods. Experience working with large datasets and real-time data pipelines . Strong performance optimisation and debugging skills. Confident communicator with the ability to liaise directly with business stakeholders. Desirable Skills Experience in commodities indices, structured products, or index engineering . Knowledge More ❯

Strong proficiency in Pandas , NumPy , and time-series data manipulation Proven experience with FastAPI or Flask Familiarity with large datasets and real-time data pipelines Excellent debugging, profiling, and performance optimization skills Strong communication skills and ability to work with non-technical stakeholders Preferred Skills Experience with commodities indices or structured products Knowledge of market data platforms (e.g., Bloomberg More ❯

C#/.NET development for cloud-based solutions ARM templates for IaC (Infrastructure as Code) Azure DevOps (pipelines, repos, automated testing) Strong understanding of integration patterns, cloud security, and performance optimization. Excellent problem-solving skills and a collaborative mindset. Experience in an Agile environment. More ❯

Technical Leadership Bolst Platform Architecture: Design and deliver cloud-native, API-first architecture for both contractor mobile app and client web platform (primary focus) Platform Transition Management: Maintain optimal performance of existing systems while executing phased migration strategy to Bolst Client Platform Development: Build web platform delivering contractor analytics and compliance visibility for clients Team Leadership & Development: Build and … in CI/CD, automated testing, and deployment pipelines Migration Expertise: Experience managing complex system transitions while maintaining service continuity API Strategy: Experience designing and implementing robust API architectures Performance Optimisation: Track record optimising applications for scale and user experience Highly Valued Experience within Financial Services Tech: Fintech, payments, or financial software technical background Key Skills Software Architecture … architectures Strategic Thinking: Ability to connect technical decisions to business outcomes Stakeholder Management: Excellent communication and collaboration skills across technical and non-technical teams Data-Driven Approach: Proficiency with performance monitoring and analytics tools Leadership Qualities Strategic vision with hands-on execution ability Strong decision-making in fast-paced environments Budget management and resource allocation experience Natural collaborator across More ❯

Global Software House - Peterborough/Hybrid (Tech stack: Lead Database Developer, SQL Developer, Database Developer, SQL Server 2017, T-SQL, SSIS, SSRS, SSAS, Business Intelligence, OLTP Systems, BI, OLAP, Performance Optimisation, Distributed Transactions, SaaS, Cloud Platforms (AWS/Azure/GCP), Data Warehouse, SQL Developer) Do you want to work for an internationally recognised brand? Do you want … fabulous opportunity to join a spectacular organization; one that offers a structured career progression programme, excellent training, exquisite offices and amazing benefits. All positions come with the following benefits: Performance-based Bonus 28 days holiday (plus 8 UK Bank Holidays). Flexible working hours Hybrid Working Policy. Health & Life Insurance Training allowance And much more Location: Peterborough, UK/ More ❯

role Angular experience – essential Building and maintaining responsive and accessible interfaces at scale Familiarity with state management libraries (e.g., Redux, Zustand) and component-based architectures Solid understanding of web performance optimisation, testing (unit, integration, and end-to-end), and cross-browser compatibility Collaborate with UX designers and product teams to translate design wireframes and prototypes into working front More ❯

technologies Work closely with test engineers to reach a common understanding of acceptance criteria, the code base and test coverage Implement toolkits and APIs for purposes such as integration, performance optimisation, security and scalability Proactively investigate problems and opportunities in existing processes, evaluating and communicating findings and recommendations to stakeholders Identify and manage problems, incidents, risks and issues More ❯