1 to 25 of 78 Performance Tuning Jobs in London

Data Factory and Databricks, replacing legacy SSIS pipelines. Identifying opportunities to harden and automate manual steps within the Finance Close workflow Conduct T-SQL performance tuning across on-prem and cloud environments.Conduct T-SQL performance tuning across on-prem and cloud environments. Collaborate with ...

based in the UK or US and offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … DevOps, Product, and QA teams to ensure production-grade solutions. Participate in architectural discussions, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 5+ years of experience in Core Java development with a focus ...

business needs. * Support the migration of associated Windows Server estates * Ensure secure, stable and compliant transitions aligned with end of life timelines. * Conduct troubleshooting, performance tuning, and post migration validation work. * Produce clear migration documentation, runbooks, and operational handover materials. * Collaborate with technical leads, infrastructure teams, and wider … later versions (SQL 2022; SQL 2025). * Strong understanding of SQL Server architecture, clustering, HA/DR, AlwaysOn, performance tuning, and security. * Demonstrated ability to analyse large, complex estates and identify hidden/unknown instances. * Experience migrating associated Windows Server platforms (2016/2019). * Ability to work ...

between core systems and the Enterprise Data Warehouse, ensuring accurate and timely reporting Manage and monitor ETL pipelines, identifying and resolving data issues and performance bottlenecks Act as a technical point of contact during financial close periods (monthly, quarterly, year-end) Perform root cause analysis on data issues … cloud-based “Single Source of Truth” data platform Design, develop and maintain ETL workflows using modern tools (e.g. Azure Data Factory, Databricks) Optimise database performance through query tuning, indexing and partitioning strategies Support CI/CD practices using Azure DevOps Produce and maintain technical documentation Provide ...

exposure to the Payments domain to design, build, and enhance applications supporting global payment processing and modernization programs. The role involves developing scalable, high-performance backend components, integration services, and APIs that enable real-time payments, ISO 20022 message transformations, reconciliation, and workflow automation. The ideal candidate will have … internal systems like Core Banking or Treasury. Develop components supporting real-time payments , event-driven processing , and asynchronous messaging (Kafka, JMS) . Ensure code performance, reusability, and compliance with secure coding and resiliency standards. Payments System Modernization Collaborate with architecture and product teams on payments modernization , API enablement ...

join our Messaging team. You will be responsible for managing and supporting our enterprise messaging infrastructure built on Solace PubSub+, ensuring high availability, optimal performance, and reliability across production and non-production environments. This includes working on incident response, capacity planning, WAN optimization, and system observability using tools like … software brokers across environments (on-prem and cloud). Provide production support for messaging-related incidents, including root cause analysis and resolution. Monitor system performance and health using Prometheus and Grafana ; proactively identify and address anomalies. Configure and optimize Solace across WAN environments , ensuring low-latency, secure, and reliable ...

consistency across multiple sources Partner with BI teams to support dashboards and reporting tools Contribute to platform architecture decisions Continuously improve reliability, scalability, and performance You will be expected to work from the Central London office three to four days per week to enable close collaboration with technical … warehouse architecture and methodologies Experience working with large-scale enterprise datasets Strong analytical mindset with a focus on data quality Nice to Haves Snowflake performance tuning and cost optimisation Python Databricks End-to-end data platform architecture Enterprise BI platforms CI/CD pipelines Infrastructure-as-Code Employee ...

Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You’ll Need 5+ years of backend development experience Strong .NET skills for API development and business ...

part of a team) Architect and optimize ETL/ELT pipelines using services such as: DBT, AWS Glue, Lambda, Kinesis, S3, EMR Design high performance Snowflake data models (3NF, dimensional, Data Vault, etc.) Optimize query performance, clustering, micro-partitioning, and resource consumption Work closely with Data Engineers, Analysts … data and engineering teams Translate business needs into scalable data solutions Key Skills/Knowledge Strong grasp of data modelling, data warehousing concepts and performance optimization techniques Hands on expertise with Snowflake (architecture, performance tuning, security, Snowpipe, streams/tasks) Strong experience with AWS cloud data ecosystem ...

modelling standards including dimensional modelling, star schema, and enterprise data models. Lead architecture reviews and solution design discussions for new data initiatives. Optimize Snowflake performance, workload management, and cost governance. Establish data governance frameworks including access control, data security, and compliance standards. Design and support AI/ML-ready … guest behaviour analysis, booking trends, revenue analytics, and operational reporting. Required Technical Skills Data Platform Strong expertise in Snowflake Deep knowledge of Snowflake architecture, performance tuning, data sharing, security, and workload optimization. Cloud Platform Strong experience with Amazon Web Services, including: S3 IAM AWS Glue Lambda CloudWatch Data ...

large - scale project environment. You will work on advanced RHEL 9 systems, high - end GPU workstations and HPC platforms, contributing to system stability, performance and innovation. The role provides hands - on exposure to cutting - edge technology, performance testing and automation, while collaborating closely with multi - disciplinary teams … Troubleshoot complex Linux system issues using structured diagnostic approaches Support and contribute to large - scale projects through close collaboration with cross - functional teams Conduct performance testing on HPC platforms using custom scripts and tools Analyze performance and utilization data to produce actionable insights Prepare detailed technical reports covering ...

Power BI to augment client decision-making and operational outcomes. Architecture, Governance & Standards Translate business requirements into end-to-end data architecture, balancing performance, cost, security, and maintainability. Apply and advise on security patterns and contribute to governance-by-design. Enforce technical documentation standards, architectural artefacts, and implementation patterns … audiences. Strong relationship-building and stakeholder management in complex client environments. Code Management CI/CD for Fabric items. Git-based workflow. Testing frameworks. Performance tuning patterns. Cost/capacity optimisation. Desirable Skills & Experience Experience across adjacent Microsoft services often paired with Fabric (e.g., Azure Synapse Analytics, Azure ...

security standards. Support Provide 2nd and 3rd line support across Dynamics CRM applications. Manage incidents, service requests, and changes following ITIL processes. Monitor CRM performance and proactively resolve operational issues Skills & Experience Required Essential Proven technical expertise in Dynamics 365 CE configuration and customisation. Hands-on with Power Platform … stakeholder management, communication, and problem-solving skills. Desirable Exposure to Copilot and AI-driven tools . ITIL certification or experience working in ITIL environments. Performance tuning and data migration expertise. *Rates depend on experience and client requirements ...

trusted backend partner for Product and Platform teams. Within 12 months, you will: Confidently own and evolve multiple backend systems. Improve database performance and background job efficiency. Reduce operational risk across TOC integrations. Strengthen CI/CD reliability and deployment confidence. Contribute to longer-term backend architecture improvements … party integrations, ensuring reliable and secure data exchange. Infrastructure Collaboration: Work with the Platform team on AWS-based deployments and CI/CD processes. Performance & Reliability: Optimise background processing and database performance to maintain system stability. Incident Response: Support investigation and resolution of production issues. Cross-Functional Collaboration ...

work with stakeholders Additional Desirable Skills Experience with tools such as Ansible, Maven, or Gradle Knowledge of AWS networking and database services Experience with performance tuning and high-availability systems ...

knowledge of CI/CD, Infrastructure as Code, and automated testing (JUnit, Mockito, integration tests). Experience with SQL and relational databases; understanding of performance tuning and transactionality. Production support experience: monitoring, logging, tracing and incident management. Mindset: self-directed, proactive problem-solver who challenges assumptions rather than ...

Containerisation (Docker) and orchestration (Kubernetes) Knowledge of CI/CD pipelines, Infrastructure as Code, and automated testing (JUnit, Mockito) Experience with SQL, relational databases, performance tuning, and transactionality Production support experience, including monitoring, logging, tracing, and incident management Experience/exposure with Clearbank integrations, Mambu, Moneyhub ISAs - saving ...

Technology Stack : Deep Mastery: Gresham Asset Control (legacy) and Prime EDM. Architecture : Cloud-native migrations (AWS/Azure), API design, and SQL/NoSQL performance tuning. Scripting : Python (preferred) or Java for custom business logic and automation. Pricing Logic : Strong understanding of EOD (End of Day) vs. Real-time ...

Manage virtual machine lifecycle including provisioning, maintenance, migration, and decommissioning Perform OS rebuilds and bare metal provisioning using Rebar Maintain infrastructure stability, availability, and performance Operating Systems Advanced Linux administration including troubleshooting, patching, hardening, and performance tuning Windows Server administration and operational support Perform system upgrades, rebuilds … recovery activities Cloud Support Provide operational support for AWS cloud environments Troubleshoot cloud infrastructure, performance, networking, and access issues Monitor cloud resources and recommend improvements for reliability, security, and cost efficiency Support hybrid infrastructure environments Infrastructure as Code and DevOps Strong experience with Terraform for infrastructure provisioning and updates ...

integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable app design. Job Description: Mandatory Skills: OutSystems OutSystems Developer (Low-Code Orchestration) Role Overview The OutSystems Developer focuses on building … Design workflow orchestrations, process automation, and data models. Develop logic, integrations, and reusable UI patterns and modules. Implement role-based access, security configurations, and performance optimisations. 2. Integration & API Management Integrate with backend systems (REST/SOAP APIs, databases, SAP, CRM). Build and maintain integrations ensuring reliability ...

Innovation: Stay updated on emerging Java technologies, propose new solutions, and contribute to innovation initiatives. • Troubleshooting: Analyze logs, resolve complex technical issues, and perform performance tuning. • Documentation: Write technical specifications and other documentation for new and existing applications. Qualifications: • Education: Bachelor's degree in Computer Science, Engineering ...

excellent opportunity for a mid-level DBA who enjoys hands-on technical work, supporting developers, and strengthening their skills in Azure SQL and performance tuning. You’ll play a key role in ensuring the stability, performance, and security of our database estate while working closely with developers … similar role. Strong SQL Server installation, configuration, maintenance, and security understanding. Solid T-SQL skills for writing and refactoring queries. Experience with performance tuning techniques. Exposure to Azure SQL administration and monitoring. Experience supporting development teams with SQL-related needs. Experience with SQL-to-Azure migration projects. Familiarity ...

hands-on engineering position where you will design, develop and optimise backend services and data pipelines. You will contribute to technical direction, improve system performance and ensure solutions are robust, maintainable and secure. The environment is highly collaborative, suited to engineers who enjoy solving complex problems and taking ownership … consultative, solutions-focused manner Nice to Have: Experience with data intelligence platforms (DataWalk, Palantir, Quantexa etc.) Linux experience, including scripting, debugging and system performance tuning Exposure to AWS or Azure environments Background working within secure, regulated or public sector environments This opportunity offers the chance to work ...

with a problem-solving mindset. Collaborate with developers, analysts, and implementation teams to shape platform improvements. Contribute to data model design, quality assurance, and performance tuning. About You Strong experience with SQL (analytic queries, performance tuning, stored procedures). Proven experience building ETL pipelines using SSIS ...

Azure Storage, Azure Logic Apps, Azure Function Apps and authentication/identity services. Provide governance and technical support for Power BI reporting, including modelling, performance tuning and adoption standards. Support the successful delivery of automations, integrations, and digital improvements across multiple programmes. Work closely with multidisciplinary teams including … services and cloud architecture. Expertise in data warehousing, ETL/ELT, data lakes, modelling and modern BI practices. Strong Power BI knowledge - modelling, governance, performance and best practice. Understanding of digital integration, automation tooling and contemporary architectural frameworks. Leadership & Delivery Experience leading multi-disciplinary technical teams in complex ...