1 to 25 of 73 Performance Tuning Jobs in London

Airflow, Azure Data Factory, or similar. Data Modelling: Implement dimensional models (star/snowflake schemas), handle SCDs, and design efficient structures for analytics. Performance Tuning: Optimise queries, manage clustering, caching, and warehouse sizing for cost and speed. Data Quality: Implement testing frameworks (dbt tests, Great Expectations) and ensure … service analytics. Documentation: Maintain clear technical documentation for pipelines, models, and processes. Qualifications Matric and a Degree in IT Strong SQL skills (complex queries, performance tuning) and proficiency in Python for data processing. Experience with ETL/ELT tools (dbt, Airflow, ADF, Informatica, Matillion). Solid understanding ...

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 ...

migration and integration of databases across multi cloud database environments including Oracle Cloud AWS Azure and Google Cloud Ensure high availability scalability and performance of database systems Collaborate with cross functional teams to define and implement database solutions that meet business requirements. Requirements: Handson experience with migrating large databases … with migrating database to ATPADW Design Database consolidation and reduce OPEX spending Provide technical leadership and mentorship to junior database architects and administrators Conduct performance tuning capacity planning and security assessments Stay updated with the latest advancements in database technologies and cloud offerings Implement and manage Exadata ...

move toward predictive analytics and ML Ops workflows. Role The Data Engineer will own and assess the Snowflake platform, proposing and executing optimisation around performance, cost, scalability, and architecture improvements. Lead DBT development and maintenance, with emphasis on test frameworks, transformation efficiency, and eliminating redundant or resource-heavy flows … maintain CI/CD pipelines to automate reliable deployment of data transformations. Provide deep insight into Snowflake infrastructure, including cost and pricing models, performance tuning, and resource governance. Support ML Ops/predictive analytics operationalisation - managing updates, performance monitoring, and change rollout rather than building models from ...

experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close … hands-on experience configuring, administering, and troubleshooting Solace PubSub+ Strong understanding of event-driven and messaging principles Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns Ability to analyse issues across application, network, and infrastructure layers Clear communication skills and the ability to collaborate across ...

experience configuring, administering, and supporting Solace PubSub+ environments. You will take ownership of the full lifecycle of the messaging platform, from deploying brokers and tuning performance to managing access controls, optimising resources, and ensuring reliable application connectivity across the estate. This role suits someone who enjoys being close … hands-on experience configuring, administering, and troubleshooting Solace PubSub+ • Strong understanding of event-driven and messaging principles • Good knowledge of networking concepts, platform performance tuning, and cloud deployment patterns • Ability to analyse issues across application, network, and infrastructure layers • Clear communication skills and the ability to collaborate across ...

streaming workloads Develop and manage dataflows, and semantic models to support specific analytics related business requirements Implement complex transformations, aggregations, and joins ensuring performance, and reliability Implement and apply robust data validations, cleansing, and profiling techniques to ensure data accuracy and consistency across datasets Implement role-based access, data … masking, and compliance protocols Performance tune and optimise jobs and workloads to reduce latency Work collaboratively with analysts and business stakeholders to translate requirements into technical solutions Create, maintain, and update documentation and internal knowledge repository Your Profile Essential skills/knowledge/experience: Experience of programming under Microsoft ...

software engineers to ensure seamless data integration and availability for predictive modeling and business intelligence. Optimize data storage and processing in Azure environments for performance, reliability, and cost-efficiency. Implement best practices for data modeling, governance, and security across all platforms. Troubleshoot and enhance existing pipelines to improve scalability … love to hear from you. Strong technical foundation: Degree in a STEM field (or equivalent experience) with hands-on experience in production environments, emphasizing performance optimization and code quality. Python expertise: Advanced proficiency in Python for data engineering, data wrangling and pipeline development. Cloud Platforms : Hands-on experience working ...

life of millions of University students across the globe. In this role, you will apply your Software Engineering experience to enhance system performance and reliability, as well as building internal systems and capabilities that eliminate manual work through automation. You'll be joining our Platforms teams with globally-dispersed … logging systems to identify and respond to incidents Ensure scalability and efficiency of cloud infrastructure and systems to handle traffic and data growth Conduct performance tests to identify and remediate bottlenecks Develop and maintain platform solutions, automate infrastructure provisioning, configuration, and management tasks using Infrastructure as Code. Monitor, review ...

teams. Additional Competencies Experience with event sourcing, CQRS, or stream processing is a plus. Exposure to automated testing frameworks for .NET applications. Understanding of performance tuning, scalability, and resilience in distributed systems. Passion for technology, with a willingness to explore and learn new tools and frameworks. Ability ...

teams and provide occasional out-of-hours support. Essential Skills Strong proficiency in .NET Framework/Core . Experience with SQL Server and Oracle performance tuning. Knowledge of secure SDLC practices and OWASP principles. Hands-on experience with CI/CD pipelines and troubleshooting across Windows Servers and databases. ...

complex data modelling. Key Responsibilities: • Design and implement graph data models using Neo4j AuraDB (Professional/Enterprise) • Build and optimise Cypher queries for performance and scalability • Integrate Neo4j Aura with cloud-native applications (REST, GraphQL, event-driven systems) • Manage data ingestion pipelines (Kafka, Spark, ETL tools, APIs) • Monitor, tune … troubleshoot Neo4j Aura performance and availability • Implement security, access control, and data governance best practices • Collaborate with product, data, and backend teams to translate business problems into graph solutions • Support production workloads with high availability and disaster recovery requirements Required Skills & Experience: • Strong hands-on experience with Neo4j, specifically ...

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 ...

Scripting C, C++, PERL, Java or equivalent for application interfacing and scripting Data Handling Real-time data acquisition, Historian integration, data replication, and logging Performance Tuning & Monitoring Query optimization, indexing, database health monitoring Version control with Git, SVN, or equivalent Design, develop and maintain databases and data models …/DMS/SCADA) Develop, enhance, and maintain display applications, dashboards, and HMI interfaces/Station displays for operators and engineers Ensure high performance, reliability, and integrity of database system under real-time operational loads Perform database tuning, indexing, query optimization, and performance monitoring Develop and maintain ...

/Deployment tool like git/Octopus/Jenkins. Exposure to BI tools such as Tableau, PowerBI or SSRS or any other visualization tool. Performance tuning of queries. C# is desirable Inclusion, Work-Life Balance and Benefits at Man Group You'll thrive in our working environment that ...

knowledge of SQL for querying and managing relational databases like MySQL , PostgreSQL , or Oracle . Skilled in writing complex joins , subqueries, stored procedures, and performance tuning. Experience with integrating SQL queries within Java applications using JDBC, JPA, or Spring Data JPA . Extensive experience in unit testing Java applications ...

Power BI, Azure, and Confluent technologies. You will lead platform strategy, administration, and integration to support scalable analytics and data engineering solutions. Responsibilities include performance optimization, governance, automation, and enabling secure, reliable data flows. This role requires strong leadership, cross-functional collaboration, and hands-on technical proficiency. Your role … prem environments. You will lead platform strategy and operations for technologies including Snowflake, SQL Server, Power BI, Azure, and Confluent, ensuring high availability, performance, and scalability. You will collaborate with cross-functional teams to design and implement platform solutions that support data engineering, analytics, and business intelligence initiatives. Your ...

Engineer with deep expertise in Power BI and enterprise-scale reporting environments. The ideal candidate will be responsible for designing, optimizing, and maintaining high-performance semantic models, delivering end-to-end BI solutions, and supporting distributed reporting across multiple business domains. Key Responsibilities: Power BI Development & Engineering Build … optimize Power BI Semantic Models for large datasets (4–5GB+). Develop high-performance dashboards using Power BI Desktop & Power BI Service . Write advanced, performance-optimized DAX following best practices. Leverage Power Query (M) for scalable data ingestion and transformation. Perform deep model optimization using Tabular Editor ...

data from multiple sources into Snowflake Develop and optimize data models in Snowflake for analytics and reporting use cases Ensure data quality, reliability, and performance across pipelines and warehouse workloads Collaborate with analytics engineers, data analysts, and stakeholders to understand data requirements Implement best practices for Snowflake (clustering, scaling … cost optimization, security) Monitor and troubleshoot data pipelines, resolving failures and performance issues Manage and evolve data transformations using SQL and version control Document data pipelines, models, and business logic for long-term maintainability Support CI/CD processes and promote automation across the data platform Required Qualifications 3+ ...

data from multiple sources into Snowflake Develop and optimize data models in Snowflake for analytics and reporting use cases Ensure data quality, reliability, and performance across pipelines and warehouse workloads Collaborate with analytics engineers, data analysts, and stakeholders to understand data requirements Implement best practices for Snowflake (clustering, scaling … cost optimization, security) Monitor and troubleshoot data pipelines, resolving failures and performance issues Manage and evolve data transformations using SQL and version control Document data pipelines, models, and business logic for long-term maintainability Support CI/CD processes and promote automation across the data platform Required Qualifications 3+ ...

from development to mission-critical production systems, within an Always On SQL Farm . Key Responsibilities Configure and maintain SQL Server databases, ensuring high performance, availability, and security. Apply data modelling techniques to support integration and performance requirements. Troubleshoot and resolve issues in real time, providing … problem resolution. Automate regular processes, track issues, and document changes. Assist developers with complex query tuning and schema refinement. Provide technical mentorship and cross-training to team members. Recommend solutions for database structure, security, backup, and recovery. Install and configure new systems, propose specifications, and coordinate installation requirements. Maintain ...

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 ...

Agile delivery squads with APEX devs, data engineers, integration specialists and business SMEs. Essential Skills Strong Oracle APEX development capability (apps, forms, processes, security, performance tuning). Hands-on experience with Oracle Analytics Cloud (OAC dashboards, DV, RPD/semantic modelling). Experience with Autonomous Data Warehouse … Oracle Fusion data structures. Data modelling, ETL/ELT, SQL tuning and general analytics engineering skillset. Proven ability to collaborate with AI teams, data scientists or ML engineers in shared workloads. UK Citizen with SC (minimum). Desirable OCI and OIC experience. Exposure to ML/AI concepts ...

Docker; deploy to AWS and/or PCF on-prem. Responsibilities Own services end-to-end: design, implement, test, deploy, operate. Data modelling, migrations, performance tuning, resilient integrations. Observability (metrics/logs/traces), SLOs. Nice-to-have Experience with the DWS parent and NatWest platform standards … NatWest engineering standards and governance. Ability to deliver microservices in Python when needed (FastAPI/Django). Terraform/IaC, EKS, service meshes, Postgres performance, Kafka. Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

trading activity. The successful candidate will work across the full software development lifecycle, contributing to the design, build, deployment, and optimisation of highly scalable, performance-critical applications. Key Responsibilities Build, test, and enhance high-performance trading systems using C++ and Python Translate quantitative models and trading logic into … front-office trading teams Improve market data ingestion, exchange connectivity, and real-time data flows Contribute to distributed systems, low-latency communication, and performance tuning initiatives Take part in design discussions, code reviews, profiling, and CI/CD improvements Gain hands-on exposure to algorithmic trading infrastructure, market ...