1 to 25 of 601 Permanent Performance Optimisation Jobs in England

requirements gathering to deployment. Collaborate with product managers and designers to translate business requirements into technical solutions. Ensure high reliability and uptime through proactive monitoring and improvements. Optimize application performance and ensure best practices in security and maintainability. Technical Leadership & Innovation Influence architectural decisions and technical direction within the team. Advocate for best practices in code quality, testing, and … or Azure) and containerization (Docker, Kubernetes). Strong understanding of CI/CD pipelines, DevOps practices, and software deployment strategies. Deep knowledge of database technologies (SQL and NoSQL) and performance optimization techniques. Experience in software testing, including test automation, performance testing, and security testing. Familiarity with Agile development methodologies and modern product engineering practices. Excellent problem-solving, analytical … and collaboration skills, with a proactive approach to teamwork. Success Measures Consistent delivery of high-impact, high-quality features that align with business goals. Increased system reliability, scalability, and performance through proactive improvements. Measurable contributions to team knowledge-sharing, mentoring, and technical excellence. Reduction in technical debt and improvements in maintainability and code quality. Effective collaboration with product, design More ❯

web applications using PHP and modern frontend technologies Design and implement scalable solutions in multi-server environments Work with AWS cloud services to build robust, distributed systems Optimize database performance and design efficient data structures Implement and manage queue systems for asynchronous processing Collaborate with cross-functional teams to deliver high-quality software solutions Mentor junior developers and contribute … Excellent communication and teamwork abilities Nice to Have Experience with microservices architecture Knowledge of additional AWS services (ElastiCache, CloudWatch, etc.) Familiarity with Elasticsearch or similar search engines Experience with performance optimization and monitoring tools DevOps experience and infrastructure as code (Terraform, CloudFormation) System administration experience with web servers (Apache, Nginx) What We Offer Competitive salary and benefits package Flexible More ❯

latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures with cost, scalability, and security in mind. Conduct design and code reviews to ensure quality and … Associate/Professional) is a plus. Experience with Infrastructure as Code (IaC) using Terraform or AWS CDK. Exposure to data streaming platforms like Kafka is a bonus. Background in performance optimization, scalability, and security best practices. Desired Skills: Knowledge of AI and Emerging Technologies (Good to have) Understanding of how AI capabilities can be integrated into enterprise applications to More ❯

latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures with cost, scalability, and security in mind. Conduct design and code reviews to ensure quality and … Associate/Professional) is a plus. Experience with Infrastructure as Code (IaC) using Terraform or AWS CDK. Exposure to data streaming platforms like Kafka is a bonus. Background in performance optimization, scalability, and security best practices. Desired Skills: Knowledge of AI and Emerging Technologies (Good to have) Understanding of how AI capabilities can be integrated into enterprise applications to More ❯

latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures with cost, scalability, and security in mind. Conduct design and code reviews to ensure quality and … Associate/Professional) is a plus. Experience with Infrastructure as Code (IaC) using Terraform or AWS CDK. Exposure to data streaming platforms like Kafka is a bonus. Background in performance optimization, scalability, and security best practices. Desired Skills: Knowledge of AI and Emerging Technologies (Good to have) Understanding of how AI capabilities can be integrated into enterprise applications to More ❯

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 ❯

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 ❯

Manage competing priorities effectively and align with management expectations. Excellent Communication Clearly document front-end structures, communicate changes, and provide support for technical issues. Detail-Oriented Anticipate growth and performance needs while ensuring compliance with web development best practices. Responsibilities Technical Excellence Develop and maintain scalable, high-performance front-end applications using JavaScript, TypeScript, and modern frameworks (React … Node, or Next). Work closely with designers, product managers, and back-end developers to implement seamless user experiences. Ensure applications are optimized for performance, accessibility, and SEO. Build and maintain reusable components, ensuring consistency across applications. Implement responsive designs that work across different devices and screen sizes. Troubleshoot, debug, and optimize front-end code for performance and … scalability. Stay up to date with best practices in modern front-end development, UX/UI trends, and web performance optimization. Contribute to system documentation, including design specifications and unit testing. Operational Excellence Demonstrate professionalism in all interactions with stakeholders and third parties. Provide timely responses to requests from management, the business, and IT teams. Foster a collaborative technical More ❯

You’ll work closely with engineering managers, architects, mobile teams, and product stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX … Identity, Okta, or Auth0, with support for OAuth2, OIDC, and JWT. • Collaborate with mobile app teams to ensure backend services are optimized for mobile-specific use cases such as performance, caching, and offline access. • Own end-to-end technical delivery, including code quality, performance optimization, security best practices, and CI/CD integration. • Perform code and design reviews … tooling (GitHub Actions, Jenkins, GitLab CI). • Excellent communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging More ❯

You’ll work closely with engineering managers, architects, mobile teams, and product stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX … Identity, Okta, or Auth0, with support for OAuth2, OIDC, and JWT. • Collaborate with mobile app teams to ensure backend services are optimized for mobile-specific use cases such as performance, caching, and offline access. • Own end-to-end technical delivery, including code quality, performance optimization, security best practices, and CI/CD integration. • Perform code and design reviews … tooling (GitHub Actions, Jenkins, GitLab CI). • Excellent communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging More ❯

You’ll work closely with engineering managers, architects, mobile teams, and product stakeholders to deliver scalable, secure, and maintainable solutions. Key Responsibilities: • Design and develop scalable, secure, and high-performance backend systems using Java, Spring Boot, and modern architectural practices. • Lead development of RESTful APIs and microservices along with mobile platforms, ensuring consistency and alignment with business and UX … Identity, Okta, or Auth0, with support for OAuth2, OIDC, and JWT. • Collaborate with mobile app teams to ensure backend services are optimized for mobile-specific use cases such as performance, caching, and offline access. • Own end-to-end technical delivery, including code quality, performance optimization, security best practices, and CI/CD integration. • Perform code and design reviews … tooling (GitHub Actions, Jenkins, GitLab CI). • Excellent communication, collaboration, and technical documentation skills. Preferred Qualifications: • Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging More ❯

practices with hands-on expertise in GitHub Actions, Jenkins, and GitOps workflows. Strong knowledge of advanced DevOps concepts, including progressive delivery strategies (blue/green, canary), resilience engineering, and performance optimisation. Deep understanding of cloud security, governance, and compliance, with the ability to define and implement scalable security frameworks. Proven ability to drive cross-functional technical initiatives, influence without More ❯

practices with hands-on expertise in GitHub Actions, Jenkins, and GitOps workflows. Strong knowledge of advanced DevOps concepts, including progressive delivery strategies (blue/green, canary), resilience engineering, and performance optimisation. Deep understanding of cloud security, governance, and compliance, with the ability to define and implement scalable security frameworks. Proven ability to drive cross-functional technical initiatives, influence without More ❯

practices with hands-on expertise in GitHub Actions, Jenkins, and GitOps workflows. Strong knowledge of advanced DevOps concepts, including progressive delivery strategies (blue/green, canary), resilience engineering, and performance optimisation. Deep understanding of cloud security, governance, and compliance, with the ability to define and implement scalable security frameworks. Proven ability to drive cross-functional technical initiatives, influence without More ❯

exceptional service, to deliver personalised experiences that meet our customers ever-changing needs today and in the future. Role 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 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 to esure More ❯

engineering leadership. What the Engineering Lead will be doing Leading, coaching and developing a squad of engineers working on a core Rules Engine product. Driving team delivery, ensuring high performance, scalability, and maintainability of software systems while guiding systems design decisions. Supporting and mentoring engineers in their career growth, goal setting, and performance. Partnering closely with product management to …/CD, Agile product delivery Bonus Points For Experience leading cloud-based SaaS product teams. Exposure to highly regulated or data-sensitive industries (e.g. finance, insurance). Familiarity with performance optimisation and cost control in AWS environments. Understanding of underwriting or insurance systems. This is an amazing opportunity to lead a talented team in an ambitious tech company More ❯

of testing methodologies, including unit and integration testing using Jest or Cypress Hands-on experience with CI/CD pipelines and deployment strategies Understanding of security best practices and performance optimisation techniques Ability to collaborate effectively in agile teams Experience mentoring junior engineers and contributing to technical decision-making Experience with Laravel and Angular would be beneficial but More ❯

Vercel, Netlify and Amplify. Experience with Web Rendering approaches such as SSG, ISR, SSR, CSR and hybrid approaches. Experience developing PWAs, Web workers and Web APIs. Experience in Webapp performance optimisation, scalability, profiling and testing. Data Engineering & Architecture Familiarity with TensorFlow, PyTorch, or other relevant AI/ML frameworks Security and compliance design & implementation Mobile app development (native More ❯

The role is primarily back-end focused and is a hands-on technical leadership position , where you will be responsible for driving the design, development, and delivery of high-performance software solutions. While you will have some team management responsibilities, the primary focus of this role is technical excellence, ensuring that the team follows best engineering practices, solves complex … scalable, robust systems. Key Responsibilities Hands-on development: Lead by example, writing high-quality, well-tested Java code. Technical Leadership: Guide the team in best practices for software architecture, performance optimization , and maintainability. Design and problem-solving: Drive the design of complex systems, ensuring scalability, security, and reliability. Code reviews and mentorship: Provide guidance and feedback through code reviews … fostering a culture of engineering excellence. Continuous improvement: Identify and drive technical improvement, such as refactoring, performance tuning, and new technology adoption. Collaboration: Work closely with Product UX, and other engineering teams to deliver high-value features. Team Support: While this is not a pure management role, you will have some direct reports and will be responsible for mentoring More ❯

experience in the banking or financial services domain is highly advantageous. Must have experience with API gateways and mobile app development/modernisation Key Responsibilities: Design and develop high-performance, secure, and scalable backend systems using Java, Spring Boot, and modern architectural patterns. Lead the development of RESTful APIs and microservices, ensuring alignment with mobile platforms and business objectives. … and JWT. Collaborate with mobile application teams to optimize backend services for mobile-specific needs like caching and offline access. Take ownership of end-to-end technical delivery including performance tuning, code quality, security best practices, and CI/CD integration. Conduct code and design reviews, establish technical standards, and mentor engineering team members. Troubleshoot complex issues in both … discipline. Significant experience in backend development with solid experience in technical leadership or solution architecture role. Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. Expert-level proficiency in Java, Spring Boot, and associated Spring modules (MVC, Data, Security). Strong track record in architecting and deploying microservices in enterprise environments. Experience with More ❯

hosted open source services exclusively. We strive towards a strong code-first, data as a product mindset at all times, where testing and reliability with a keen eye on performance is a non-negotiable. JOB SUMMARY A Senior Data Engineer, has the primary role of designing, building, and maintaining scalable data pipelines and infrastructure to support data-intensive applications … services for data storage, processing, and analytics. Data Quality and Governance: Implement and oversee data governance, quality, and security measures. Monitoring, Optimization and Troubleshooting: Monitor data pipelines and infrastructure performance, identify bottlenecks and optimize for scalability, reliability, and cost-efficiency. Troubleshoot and fix data-related issues. DevOps: Build and maintain basic CI/CD pipelines, commit code to version … and DevOps. Mentoring: Mentor and guide junior and mid-level data engineers. Technology Selection: Evaluate and recommend technologies, frameworks, and tools that best suit project requirements and architecture goals. Performance Optimization: Optimize software performance, scalability, and efficiency through architectural design decisions and performance tuning. QUALIFICATIONS Proven experience as a Senior Data Engineer, or in a similar role More ❯

time between hands-on technical leadership and people management. You'll be leading a team of talented Java engineers, driving project delivery, shaping technical direction, and nurturing a high-performance engineering culture. What You'll Do Lead, mentor, and grow a team of backend engineers working primarily in Java (Spring Boot, Hibernate, etc.) Drive design and architecture decisions for … 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 ❯

time between hands-on technical leadership and people management. You'll be leading a team of talented Java engineers, driving project delivery, shaping technical direction, and nurturing a high-performance engineering culture. What You'll Do Lead, mentor, and grow a team of backend engineers working primarily in Java (Spring Boot, Hibernate, etc.) Drive design and architecture decisions for … 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 ❯

data workflows to ensure smooth and reliable deployments. Big Data & Analytics: Develop and optimize large-scale data processing pipelines using Apache Spark and PySpark. Implement data partitioning, caching, and performance tuning techniques to enhance Spark-based workloads. Work with diverse data formats (structured and unstructured) to support advanced analytics and machine learning initiatives. Workflow Orchestration (Airflow): Design and maintain … Airflow. Strong programming skills in Python and SQL, with the ability to write efficient and maintainable code. Deep understanding of Spark internals, including RDDs, DataFrames, DAG execution, partitioning, and performance optimization techniques. Experience with designing and managing Airflow DAGs, scheduling, and dependency management. Knowledge of CI/CD pipelines, containerization technologies (Docker, Kubernetes), and DevOps principles applied to data More ❯

engineering leadership. What the Engineering Manager will be doing Leading, coaching and developing a squad of engineers working on a core Rules Engine product. Driving team delivery, ensuring high performance, scalability, and maintainability of software systems while guiding systems design decisions. Supporting and mentoring engineers in their career growth, goal setting, and performance. Partnering closely with product management to …/CD, Agile product delivery Bonus Points For Experience leading cloud-based SaaS product teams. Exposure to highly regulated or data-sensitive industries (e.g. finance, insurance). Familiarity with performance optimisation and cost control in AWS environments. Understanding of underwriting or insurance systems. This is an amazing opportunity to lead a talented team in an ambitious tech company More ❯