1 to 25 of 134 Permanent Performance Optimisation Jobs in England

as: Evolve Our Snowflake Data Warehouse: Take ownership of our Snowflake platform to ensure it is a highly efficient and accessible resource for the business. Implement best practices for performance optimisation, scalability, and cost management, empowering teams to access and utilise data seamlessly. Streamline Data Pipelines: Lead the development and optimisation of data pipelines using DBT , enabling … and frameworks. Recommend and lead the adoption of innovations that enhance our data engineering capabilities, ensuring we remain competitive and forward-thinking. The requirements Essential: Expertise in Snowflake, including performance optimisation, cost management, and advanced data warehousing techniques. Experience in designing and implementing scalable data architectures that meet the needs of complex, data-driven organisations. Strong SQL skills … for this role. But, we're open-minded, so definitely include your salary goals with your application. We routinely benchmark salaries against market rates, and run quarterly performance and salary reviews. The culture At iwoca, we prioritise a culture of learning, growth, and support, and invest in the professional development of our team members. We value thought and skill More ❯

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 ❯

tools, platforms, and processes that improve the overall developer experience. Your work will involve close collaboration with developers, DevOps engineers, and other customers to ensure seamless integration and optimal performance of development workflows. Key Responsibilities: Developer Experience Enhancements: Work on projects to improve developer productivity using tools such as Backstage to create internal developer portals and improve developer workflows. … standard methodologies for DevOps. Infrastructure Automation & Management: Use Terraform/OpenTofu and automation frameworks to provision and manage infrastructure. Monitoring & Observability: Configure and utilise observability tools like Datadog for performance monitoring, alerting, and visualisation, ensuring system reliability and quick identification of issues. Performance Optimisation: Continuously monitor the performance of the tools and services and implement optimisations 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 ❯

secure, scalable full-stack solutions that solve complex legal business challenges Collaborate with UX designers and stakeholders to bring creative visions to life Optimise front-end code for peak performance, accessibility, and cross-browser compatibility Champion software quality through rigorous testing and continuous improvement practices Drive innovation through Agile methodologies and collaborative problem-solving Maintain business-critical systems and … versed in Git version control in multi-developer environments Bonus Points For: Experience with .NET/.NET Core development and Entity Framework Knowledge of MS SQL Server and database optimisation Familiarity with accessibility standards (WCAG) and web performance optimisation Services offered by Computappoint Limited are those of an Employment Business and/or Employment Agency in relation 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 ❯

Produce high quality increments to the team's model library - working both individually and collaboratively. Providing leadership in areas such as object modelling & interface design, automated testing & refactoring and performance optimisation. Provide support to Trading & Origination on model usage and behaviour. Leverage the teams cross-asset expertise to connect business locations, helping to identify synergies and increase efficiency. Here More ❯

protocols and best practices Proven experience in logging systems (e.g. ELK stack ) Proven experience in monitoring systems (e.g. Prometheus ) Proven experience in tracing systems (e.g. OpenTelemetry , Jaeger) Experience in performance optimization and resource management Relevant certifications (AWS, Google) Understanding of Agile methodologies Ability to diagnose and resolve service- affecting issues in a Broadcast/Livestream environment Pro- active attitude 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 ❯

building robust data extraction, transformation, and analysis pipelines. Hands-on experience with big data processing frameworks such as Apache Spark, Databricks, or Snowflake, with a focus on scalability and performance optimization. PREFERRED QUALIFICATIONS: Solid understanding of cloud infrastructure, particularly AWS, with practical experience using Docker, Kubernetes, and implementing CI/CD pipelines for data workflows. Familiarity with graph databases 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 ❯

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 ❯

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 ❯

Sporting Solutions is a product led, technology-driven company that sources, generates, and distributes real-time sports betting data. Our systems operate under tight performance demands: low latency, high throughput, and ongoing reliability. We're working to continually improve our platforms and are evolving our infrastructure and applications - including moving from legacy .NET Framework systems toward modern, containerised .NET … Leading through example and building Proof-of-Concept solutions to demonstrate improved practices will be key. You'll work at the intersection of software architecture, DevOps strategy, and high-performance infrastructure, driving forward our modernization efforts and improving how we build, deploy, monitor, and scale our systems. What You'll Do Define and shape our DevOps vision , working closely … and infrastructure-as-code. Drive improvements in telemetry and observability , helping us move from log-centric metrics to first-class telemetry using OpenTelemetry and modern observability stacks. Optimise for performance , helping the platform scale for low-latency, high-throughput demands in real-time sports data delivery. Mentor and guide engineers , promoting a strong DevOps culture and fostering collaboration 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 ❯

MySQL Experience with WordPress theme and plugin development Familiarity with page builders such as Elementor, WPBakery, and Gutenberg Experience with WooCommerce or other e-commerce platforms Understanding of website performance optimisation and SEO principles Strong problem-solving skills and attention to detail Excellent communication skills, able to work with both technical and non-technical stakeholders Desirable Skills/ More ❯