51 to 75 of 161 Performance Tuning Jobs in England

APIs, and third-party integrations (e.g., ERP, CRM, payment gateways). OAuth2, token-based authentication, and webhooks. SQL/Oracle PL/SQL Writing complex queries, stored procedures, and performance tuning. Data migration, reporting, and integration with backend systems. Retail & B2B Business Models Understanding of B2B workflows: bulk ordering, tiered pricing, account hierarchies. Experience with retail operations: inventory, promotions More ❯

APIs, and third-party integrations (e.g., ERP, CRM, payment gateways). OAuth2, token-based authentication, and webhooks. SQL/Oracle PL/SQL Writing complex queries, stored procedures, and performance tuning. Data migration, reporting, and integration with backend systems. Retail & B2B Business Models Understanding of B2B workflows: bulk ordering, tiered pricing, account hierarchies. Experience with retail operations: inventory, promotions More ❯

events Free on-site parking A contributory pension scheme. Generous annual leave allowance We are looking for a UX Front-End Developer with a passion for building accessible, high-performance web applications that put users first. You’ll work at the heart of our product teams, collaborating closely with designers, back-end engineers, and stakeholders to deliver seamless experiences. … through Git. Integrating with ASP.NET Core services Building clean and strongly-typed API calls using Axios or Fetch. Implementing robust error handling and secure authentication flows. Enforcing accessibility and performance Delivering interfaces that comply with WCAG 2.1 AA standards. Achieving Lighthouse performance, accessibility, and best practice scores of 90% or above for every release. Collaborating in Agile teams … pull requests thoroughly and constructively. Enforcing coding standards, type safety, and documentation. Mentorship and knowledge sharing Hosting brown-bag sessions on best practices (e.g. Git workflows, VS Code tips, performance tuning). Supporting less experienced developers through guidance and feedback. Continuous improvement Staying up to date with front-end frameworks, tools, and design system trends. Proposing practical improvements More ❯

clear boundaries between ingestion, retrieval, reasoning and delivery. Quality & reliability: Testing (unit/integration/evals), CI/CD, observability (tracing/metrics for LLM and retrieval paths), and performance tuning. Collaboration: Work closely with Product and ELT; mentor engineers; contribute to technical strategy and research. Innovation: Research and recommend new tools, frameworks, and approaches for full-stack and … NoSQL databases (e.g., Postgres, DynamoDB). Experience working with AI/ML models and APIs (LLMs, embeddings, vector search). Strong understanding of data engineering practices (ETL, schema design, performance tuning). Proficiency in cloud environments (AWS preferred) and containerised deployments (Docker, ECS). Strong grasp of secure coding practices and handling of sensitive data. Excellent communication, problem More ❯

clear boundaries between ingestion, retrieval, reasoning and delivery. Quality & reliability: Testing (unit/integration/evals), CI/CD, observability (tracing/metrics for LLM and retrieval paths), and performance tuning. Collaboration: Work closely with Product and ELT; mentor engineers; contribute to technical strategy and research. Innovation: Research and recommend new tools, frameworks, and approaches for full-stack and … NoSQL databases (e.g., Postgres, DynamoDB). Experience working with AI/ML models and APIs (LLMs, embeddings, vector search). Strong understanding of data engineering practices (ETL, schema design, performance tuning). Proficiency in cloud environments (AWS preferred) and containerised deployments (Docker, ECS). Strong grasp of secure coding practices and handling of sensitive data. Excellent communication, problem More ❯

and infrastructure. The Role Join us as a Site Reliability Engineer and help us build the future of data sovereignty! We're seeking an SRE passionate about creating high-performance, scalable, and reliable services for our production infrastructure. You'll have a direct impact, improving existing systems and developing innovative solutions to complex challenges. Our small, collaborative engineering teams … ensure rapid response to critical issues and minimize service disruptions. Scale the ACRA platform and applications to support large concurrent user bases and sustained daily usage. This will involve performance tuning, capacity planning, and optimization of resource utilization. Collaborate closely with the product engineering team to influence the design and implementation of new products and features, ensuring they More ❯

It is hybrid and will require 3x days onsite per week. You will be responsible for the design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. You will have proven experience reviewing and optimizing Oracle data warehouse environments, conducting performance tuning, indexing strategies and … partitioning. Skills: Deep understanding of Oracle data warehouse architecture and performance optimization. Strong knowledge of relational and OLAP modelling principles. Advanced SQL and PL/SQL skills (Oracle 11g/12c or later). Familiarity with data profiling, data quality assessment, and metadata management. Experience identifying and implementing improvements in data warehouse performance, structure, and scalability. More ❯

It is hybrid and will require 3x days onsite per week. You will be responsible for the design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. You will have proven experience reviewing and optimizing Oracle data warehouse environments, conducting performance tuning, indexing strategies and … partitioning. Skills: Deep understanding of Oracle data warehouse architecture and performance optimization. Strong knowledge of relational and OLAP modelling principles. Advanced SQL and PL/SQL skills (Oracle 11g/12c or later). Familiarity with data profiling, data quality assessment, and metadata management. Experience identifying and implementing improvements in data warehouse performance, structure, and scalability. More ❯

executing the implementation of CRM developments, providing regular progress updates to internal & external clients Assisting with project communication & best practice throughout the system implementation. D365 Solution Management Knowledge in Performance tuning possibilities in Dynamics 365 implementations What type of experience does the Senior Microsoft Dynamics 365 CRM Developer need to be successful in this role? Experience of Dynamics More ❯

DMS). - Familiarity with 200+ OOTB integrations and strategies for custom integration in complex environments. Enterprise-Scale Deployments: - Expertise in multi-region, high-availability architectures, disaster recovery planning, and performance tuning for large-scale environments. Enterprise Engagement * Proven track record of supporting complex enterprise deals, including running technical workshops, delivering tailored demos, and managing proof-of-value (POV More ❯

evolving data environments-spanning traditional MS SQL Server and modern Azure Data Services. You'll be instrumental in supporting transformation initiatives, improving data-centric processes, and ensuring the security, performance, and reliability of core data systems. This is a great opportunity to contribute to a forward-thinking team that values innovation, collaboration, and continuous improvement. Key Responsibilities Manage and … maintain SQL Server and Azure-based data systems Ensure data system security, patching, and performance optimisation Support ETL and data services development using SSIS and SSRS Conduct data analysis, design, and remediation activities Collaborate on transformation projects and change initiatives Identify and implement improvements to data processes and architecture Produce high-quality technical and functional documentation Perform root cause … Experience Proven experience as a DBA and Data Developer within the Microsoft stack Strong T-SQL skills, including stored procedures and functions Experience with SSIS, SSRS, and SQL Server performance tuning Familiarity with Azure SQL, Azure Analytics, Dataverse, or similar platforms Ability to reverse engineer legacy data structures and perform data analysis Excellent documentation and stakeholder communication skills More ❯

efficient and convenient. Are you adaptable, flexible and pragmatic with a DevOps mindset? Are you able to apply good engineering processes to deliver software products of high quality and performance, even with occasionally ambiguous requirements? The ideal candidate will be a lifelong learner who enjoys solving technical problems, is curious about new technologies, and loves sharing knowledge and experience … and emerging technologies to assist in the future roadmap of our products. As a team, we are responsible for the health of the systems we build. You should understand performance tuning and optimisation, and how to diagnose technical issues across local, pre-release and production environments running on AWS. We operate a DevOps culture and are responsible for … languages in particular Golang Proving technical leadership and direction to your team and contributing to the wider engineering organisation. Deep technical understanding of MySQL and relational databases, particularly database performance tuning. Knowledge of best practises around Modern Software Engineering, CI/CD, DORA metrics. Experience of software architecture and presenting technical designs to your team and stakeholders. Demonstrable expertise More ❯

Your role will include implementing standards, policies, and procedures for continual service improvement. Role responsibilities: Provide first and second level technical support on incidents and problems Monitor overall system performance and ensure smooth system functionality Create, maintain, and utilise documentation Assist building compliance with processes and policies What you will bring to the team: Excellent organisation and time management … IaC): Ansible, Terraform, Puppet, Chef Process and job control (cron, at, systemd timers) Networking fundamentals (TCP/IP, DNS, DHCP, NFS, SSH, FTP) Filesystem management (LVM, ext4, XFS, ZFS) Performance tuning and monitoring (top, vmstat, iostat, sar, netstat) Exposure to automation software such as Ansible/Puppet Knowledge of scripting with Bash, Python, and/or Git Experience … ensuring security and scalability across public, private and hybrid clouds. The world's largest companies and public sector organizations trust DXC to deploy services to drive new levels of performance, competitiveness, and customer experience across their IT estates. Learn more about how we deliver excellence for our customers and colleagues at . More ❯

growth, system resilience, and platform evolution. What will I be doing: Design, develop, and optimise scalable backend services in Python, leveraging FastAPI. Lead architectural discussions with a focus on performance, scalability, and reliability. Deliver complex features end-to-end - from design through deployment and monitoring. Provide mentorship through code reviews, technical guidance, and best practices. Collaborate with Product, Design … Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes preferred). Strong engineering fundamentals - testing, clean code, performance tuning, and algorithms. Experience with relational and non-relational databases (PostgreSQL, MongoDB). Comfortable working in agile, fast-moving environments with high ownership. Curious about new technology, with More ❯

from our platform to the client data landscape. Define non-functional requirements (security requirements, scheduling, disaster recovery etc.) and assist with the implementation. Work with our clients to develop performance targets, testing plans and to assist with execution, including the performance tuning of the Alfa application and diagnosing issues. Collaborate with our functional experts to provide guidance … APIs, web services, event streaming and messaging (Kafka, JMS, SQS etc). Experience with market-leading SaaS or iPaaS solutions. Database experience, including with reporting systems/data warehousing. Performance analysis, with tools like JProfiler/CodeGuru. Knowledge of Containers (Docker). Knowledge of and experience with data engineering concepts, tooling and patterns. What we'll do for you More ❯

DevOps practices (CI/CD, Docker, AWS). Comfortable balancing hands-on coding with leadership. Nice to Have Background in trading, energy, or financial systems. Multi-tenant SaaS patterns. Performance tuning for high-traffic, time-series systems. Why Join Mission-driven role with a direct impact on renewable energy markets. Work with modern technologies (Rust, React, TypeScript, cloud More ❯

in migrating legacy systems , especially from Oracle to PostgreSQL or similar. Strong understanding of PL/SQL and experience translating stored procedures into application logic. Familiarity with PostgreSQL , including performance tuning and SQL dialect differences. Experience working in hybrid environments where legacy and modern systems coexist. Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist More ❯

in migrating legacy systems , especially from Oracle to PostgreSQL or similar. Strong understanding of PL/SQL and experience translating stored procedures into application logic. Familiarity with PostgreSQL , including performance tuning and SQL dialect differences. Experience working in hybrid environments where legacy and modern systems coexist. Comfortable using AI tools (e.g., GitHub Copilot, ChatGPT, code translators) to assist More ❯

core Java development skills including streams, lambdas, and advanced concurrency APIs Extensive experience and understanding of distributed systems, developing, profiling, and maintaining multi-threaded, asynchronous applications JVM monitoring, profiling, performance tuning, and debugging. Experience with analysis tools such as JConsole, JVisualVM, Elastic Search/Logstash, Prometheus; Open tracing Extensive experience of test driven development Knowledge of CI/ More ❯

integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience with Microsoft Azure and performance tuning Solid understanding of cybersecurity best practices Familiarity with mobile or desktop development (a plus!) A proactive, innovative mindset with a passion for improvement Why Join? With KO2 More ❯

integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience with Microsoft Azure and performance tuning Solid understanding of cybersecurity best practices Familiarity with mobile or desktop development (a plus!) A proactive, innovative mindset with a passion for improvement Why Join? With KO2 More ❯

integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience with Microsoft Azure and performance tuning Solid understanding of cybersecurity best practices Familiarity with mobile or desktop development (a plus!) A proactive, innovative mindset with a passion for improvement Why Join? With KO2 More ❯

source-controlled, continuous integration (CI) environment. Background in the finance or pensions sector, with an understanding of industry-specific requirements and practices. Proficient in SQL Server query optimisation, including performance tuning and the implementation of efficient indexing strategies. What You Will Be Doing Designing and implementing Web APIs to support a well-established Pensions Administration platform Conducting thorough More ❯

source-controlled, continuous integration (CI) environment. Background in the finance or pensions sector, with an understanding of industry-specific requirements and practices. Proficient in SQL Server query optimisation, including performance tuning and the implementation of efficient indexing strategies. What You Will Be Doing Designing and implementing Web APIs to support a well-established Pensions Administration platform Conducting thorough More ❯

in configuration of integrated applications (Java/REST). Deliverables Configure new OTDS installation and migrate existing data. Perform index migration/rebuild as required. Conduct fault finding and performance tuning. Carry out functional testing of business-specific processes. Support all software during delivery into production, including formal handover with documentation to the support team. Provide input to project More ❯