1 to 25 of 27 DemandTrendContract Performance Tuning Jobs in London

Dynamics D365 Performance Engineer - Outside IR35 A number of D365 Performance Engineers are required for a public sector client. You will have extensive experience of D365 CE/CRM and Power Platform. Skills: D365 CE/CRM Power Platform Azure - IaaS/PaaS services .Net, C#, Javascript, TypeScript Strong knowledge of Performance tuning in D365 implementations … Responsibilities: Focus on owning and managing performance improvements in D365 implementations Design and implement performance tuning strategies Analyse telemetry, logs, and metrics to identify and improve performance in customizations, integrations, and infrastructure. Lead performance testing and optimization initiatives across the CRM platform The role is for 6 months initially and based from home with ad More ❯

responsibilities will include: Designing and optimising a BigQuery-based data warehouse, ensuring scalability and efficiency. Building and maintaining ELT pipelines using dbt, enabling seamless data transformation. Developing and implementing performance tuning strategies to optimise query execution and cost efficiency. Working with stakeholders to understand business needs, translating them into effective data models. Creating clear and comprehensive documentation to … dbt, including building and optimising data models. Proficiency in SQL for large-scale data transformations. Experience in ELT processes and best practices for cloud-based data warehousing. Knowledge of performance tuning techniques for optimising BigQuery queries and costs. Familiarity with cloud services (GCP, Terraform, Airflow, etc.) and their integration with BigQuery. HOW TO APPLY Please register your interest More ❯

client based in London. It is hybrid and will require 3x days onsite per week. You will design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. This role requires the individual to design and optimize Oracle-based data warehouse systems, ensuring they are scalable, high-performing … and aligned with business analytics needs. They will collaborate closely with the head of the data team and .NET developers, applying advanced data modelling, performance tuning, and problem-solving skills. The ideal candidate will be able to translate complex technical insights into clear, actionable recommendations for both technical and non-technical stakeholders. Skills Required: Strong experience in designing … and developing efficient ETL processes to support enterprise-scale Oracle Data Warehouse environments. Proven ability to optimize and tune complex SQL and PL/SQL scripts for performance, while guiding development teams on best practices for data modelling, indexing, and partitioning strategies. Skilled in troubleshooting and resolving issues in ETL workflows and data pipelines, with a focus on maintaining More ❯

client based in London. It is hybrid and will require 3x days onsite per week. You will design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. This role requires the individual to design and optimize Oracle-based data warehouse systems, ensuring they are scalable, high-performing … and aligned with business analytics needs. They will collaborate closely with the head of the data team and .NET developers, applying advanced data modelling, performance tuning, and problem-solving skills. The ideal candidate will be able to translate complex technical insights into clear, actionable recommendations for both technical and non-technical stakeholders. Skills Required: Strong experience in designing … and developing efficient ETL processes to support enterprise-scale Oracle Data Warehouse environments. Proven ability to optimize and tune complex SQL and PL/SQL scripts for performance, while guiding development teams on best practices for data modelling, indexing, and partitioning strategies. Skilled in troubleshooting and resolving issues in ETL workflows and data pipelines, with a focus on maintaining More ❯

and technical design decisions Collaborate with product, design, and platform teams to align on feature delivery Write clean, maintainable code and participate in peer code reviews Optimise applications for performance, scalability, and user experience Ensure high standards of security, accessibility, and testing across the codebase Support platform improvements and contribute to continuous delivery practices Skills & Experience Required Strong experience … and/or modern languages like Python , Ruby , Scala , or Rust Solid understanding of API design and integration Track record of delivering end-to-end web applications Knowledge of performance tuning and front-end optimisation Comfortable in Agile environments with CI/CD and DevOps principles Strong communication skills with a collaborative, solutions-focused mindset Desirable Experience with More ❯

hiring for a leading global banking client based in London , working on cutting-edge digital transformation projects within their core banking platforms. Key Responsibilities Design and develop scalable, high-performance backend systems using Java and reactive frameworks. Collaborate with cross-functional teams to deliver robust microservices architectures. Contribute to system architecture decisions and ensure best practices in coding and … of CI/CD tools and practices (Jenkins, GitLab, etc.). Desirable Skills Exposure to financial services or banking environments. Experience with messaging systems (Kafka, RabbitMQ). Knowledge of performance tuning and monitoring tools. What's on Offer Opportunity to work on high-impact projects in a global banking environment. Hybrid working model (2-3 days onsite in More ❯

of MongoDB architecture, including sharding, replication, and indexing Experience working with MongoDB Atlas or self-managed clusters Proficiency with Linux systems and shell scripting Familiarity with monitoring tools and performance tuning techniques Experience with backup and disaster recovery processes Review the current Debezium deployment architecture, including Oracle connector configuration, Kafka integration, and downstream consumers. Analyze Oracle database setup … for CDC compatibility (e.g., redo log configuration, supplemental logging, privileges). Evaluate connector performance, lag, and error handling mechanisms. Identify bottlenecks, misconfigurations, or anti-patterns in the current implementation. Provide a detailed report with findings, best practices, and actionable recommendations. Optionally, support implementation of recommended changes and performance tuning. Skills : 4 + years of experience as a MongoDB More ❯

Hotwire, or React) Collaborate closely with product/design to translate requirements into robust technical solutions Write clean, well-tested code (RSpec or Minitest) Debug and resolve bugs and performance issues Participate in code reviews and maintain coding best practices Support occasional DevOps or deployment tasks (Heroku/AWS experience a plus) Requirements 3+ years of experience working with … end development: JavaScript, HTML/CSS and ideally Stimulus, Turbo, or React Solid understanding of RESTful APIs, MVC architecture and PostgreSQL Familiarity with background jobs (e.g., Sidekiq), caching and performance tuning Experience writing automated tests and working in TDD/BDD environments Excellent communication skills and ability to work independently in a remote setting Nice to Have Experience 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 ❯

enhance ETL/ELT pipelines in Azure Databricks Develop facts and dimensions for financial reporting Collaborate with cross-functional teams to deliver robust data solutions Optimize data workflows for performance and cost-efficiency Implement governance and security using Unity Catalog Drive automation and CI/CD practices across the data platform Explore new technologies to improve data ingestion and … PySpark), Databricks Workflows Data Pipeline Design : Proven experience in scalable ETL/ELT development Azure Services : Data Lake, Blob Storage, Synapse Data Governance : Unity Catalog, access control, metadata management Performance Tuning : Partitioning, caching, Spark job optimization Cloud Architecture : Infrastructure-as-code, monitoring, automation Finance Domain Knowledge : Experience with financial systems and reporting Data Modelling : Kimball methodology, star schemas More ❯

enhance ETL/ELT pipelines in Azure Databricks Develop facts and dimensions for financial reporting Collaborate with cross-functional teams to deliver robust data solutions Optimize data workflows for performance and cost-efficiency Implement governance and security using Unity Catalog Drive automation and CI/CD practices across the data platform Explore new technologies to improve data ingestion and … PySpark), Databricks Workflows Data Pipeline Design : Proven experience in scalable ETL/ELT development Azure Services : Data Lake, Blob Storage, Synapse Data Governance : Unity Catalog, access control, metadata management Performance Tuning : Partitioning, caching, Spark job optimization Cloud Architecture : Infrastructure-as-code, monitoring, automation Finance Domain Knowledge : Experience with financial systems and reporting Data Modelling : Kimball methodology, star schemas More ❯

reports & dashboards Data Modelling – semantic models within Microsoft Synapse DAX – advanced formulas & data analysis SQL – queries to extract & manipulate data Synapse Integration – workspaces, pipelines & dedicated SQL pools Dataset optimisation – performance tuning & incremental refresh Data Gateway setup & configuration Security – Row-Level Security & workspace permissions Stakeholder engagement – defining KPIs & reporting needs Documentation – clear, structured reporting logic If you’re an More ❯

ADMS/SCADA applications including DMS, OMS, Storm Assist, and DER. Work with utilities and system operators to translate functional specifications into technical solutions. Perform installation, configuration, integration, and performance tuning of ADMS applications. Troubleshoot and resolve issues related to Linux, Windows, Oracle, SQL, networking (TCP/IP, DNS, firewalls, switches), and related systems. Develop and maintain shell More ❯

in JavaScript, HTML, CSS, or web development for building or customising visualisations (nice to have, but not essential) Strong understanding of data design principles, UI/UX, and dashboard performance tuning Experience supporting projects in the A.E.C. sector (or a strong interest in this space) Excellent communication skills, with confidence to engage clients and present solutions Relevant degree More ❯

Enhance and maintain Endur extensions, including trade capture, deal life cycle management, and reporting components. Collaborate with trading, risk, and operations teams to gather requirements and deliver scalable, high-performance solutions. Integrate Endur with external systems (eg market data providers, settlement platforms, ETRMs) using JVS and OpenComponents. Troubleshoot and resolve complex issues across the Endur landscape, including performance tuning and data integrity. Contribute to architecture and design decisions, ensuring alignment with enterprise standards and best practices. What You Bring: Strong experience with Openlink Endur, including JVS, OpenComponents, and AVS Scripting. Solid understanding of energy trading products (power, gas, oil, renewables) and trade life cycle processes. Proficiency in Java, SQL, and integration technologies (eg REST, MQ, XML More ❯

d via Umbrella Key Responsibilities: * Expert-level knowledge of the Elastic Stack (Elasticsearch, Logstash, Kibana, Beats), with proven experience in architecting, deploying, and managing ELK infrastructure across distributed, high-performance environments. * Strong understanding of index lifecycle management (ILM), shard optimization, and cluster health monitoring to support low latency applications. * Practical and working knowledge of IP networking and data flow … within distributed systems. * Experience integrating ELK with packet capture/analysis tools to enhance observability of real-time systems. * Hands-on expertise in data pipeline creation, ingestion strategies, and performance tuning of Logstash and Beats for scalable telemetry. * Knowledge of Corvil and/or Pico tools is highly beneficial but not essential, particularly for ingesting network telemetry into … disaster recovery configurations for global deployment. * Strong understanding of Linux systems, containers, and cloud-native observability stacks. * Organized, self-driven, and able to manage priorities in a dynamic, high-performance trading environment. More ❯

models that power clean, consistent metrics. Collaborating with business teams to understand reporting needs and deliver intuitive analytics experiences. Creating clear documentation for dashboards, metrics, and models. Ensuring optimal performance and cost efficiency across Looker and Snowflake Supporting a stakeholder-first approach to data usability and access. KEY SKILLS AND REQUIREMENTS Extensive experience operating within Snowflake environments Advanced experience … on usability, documentation, and data clarity. Comfortable working independently in a dynamic, fast-changing environment. DESIRABLE SKILLS Experience rebuilding or refactoring a Looker instance from scratch. Familiarity with Snowflake performance tuning and cost optimization. Experience scaling analytics across a cross-functional organisation HOW TO APPLY Please register your interest by sending your CV via the apply link on More ❯

and engineers to ensure accurate translation of business needs into data solutions. Maintain data dictionaries, metadata, and documentation for consistency and reusability across the organization. Optimize data models for performance, scalability, and integration with existing systems. Ensure compliance with data governance, security, and quality standards. Support ETL and data integration processes by providing modeling inputs. Work on relational, dimensional … of RDBMS (Oracle, SQL Server, DB2, PostgreSQL, etc.) and familiarity with NoSQL databases. Good understanding of data warehousing, ETL processes, and BI tools. Hands-on experience with SQL and performance tuning. Strong analytical, problem-solving, and communication skills. Experience working in BFSI or enterprise-scale environments is a plus. Preferred: Exposure to cloud platforms (AWS, Azure, GCP) and their More ❯

position: Job Title: Platform Engineer/SRE Work Location: Bromley, UK (Hybrid – 3 days a week) Job Description: 15+ years’ experience in delivering large scale applications with focus on performance, scalability, security, and reliability. Experience in a highly Agile continuous integration and continuous deployment environment, preferably within a financial domain. Strong experience in Java/J2EE, Spring Boot, Mule … Experience with WebLogic or JBoss or Mule or tomcat application servers. Strong experience in Integration Technologies – Mule ESB & IDE or equivalent, previous Middleware experiences. Experience in monitoring, triaging and performance tuning. Experience in Splunk, Dynatrace or AppDynamics (APM tools). Knowledge of Test-Driven Development and Unit Testing (Cucumber/Litmus, JUnit) Able to contribute to automation, develop shared More ❯

requirements into technical specifications and BI solutions. Write, optimise, and maintain complex SQL queries for data extraction, transformation, and analysis. Develop and manage data models in OBIEE to ensure performance and scalability. Work with data warehouse teams to ensure data accuracy, availability, and consistency. Collaborate with business stakeholders to deliver actionable insights and reporting tools. Troubleshoot and resolve OBIEE … performance and data issues. Maintain documentation for reports, dashboards, and data flows. Profile The Oracle BI Consultant will have proven experience with Oracle Business Intelligence Enterprise Edition (OBIEE) - including RPD development, Answers, and Dashboards. Advanced proficiency in SQL, with a deep understanding of query optimisation and performance tuning. Strong understanding of data warehousing concepts and dimensional data modelling. More ❯

High Performance Computing (HPC) Consultant - Flexible Rate - Inside IR35 - Remote with occasional site attendance to Derby or Manchester. Join a cutting-edge British engineering company at the forefront of nuclear innovation, driving the UK's transition to zero carbon energy. As a High Performance Computing Consultant, you will play a pivotal role in designing and implementing advanced HPC … related to engineering design, with an emphasis on Computational Fluid Dynamics (CFD) and other nuclear-relevant simulation tools. Provide technical guidance and best practices for HPC deployment, scalability, and performance tuning. What We're Looking For: Proven experience in High Performance Computing design and implementation, including interactive environments, batch processing, and MPI. Expertise working across multiple operating systems More ❯

High Performance Computing (HPC) Consultant - Flexible Rate - Inside IR35 - Remote with occasional site attendance to Derby or Manchester. Join a cutting-edge British engineering company at the forefront of nuclear innovation, driving the UK's transition to zero carbon energy. As a High Performance Computing Consultant, you will play a pivotal role in designing and implementing advanced HPC … related to engineering design, with an emphasis on Computational Fluid Dynamics (CFD) and other nuclear-relevant simulation tools. Provide technical guidance and best practices for HPC deployment, scalability, and performance tuning. What We're Looking For: Proven experience in High Performance Computing design and implementation, including interactive environments, batch processing, and MPI. Expertise working across multiple operating systems More ❯

technical solutions. Participate in Agile development cycles, including sprint planning, reviews, and retrospectives. Ensure solutions follow ServiceNow best practices, coding standards, and platform governance. Support platform upgrades, patching, and performance tuning. Troubleshoot and resolve technical issues and defects. Required qualifications Experience developing on the ServiceNow platform in a professional setting. Proficiency in JavaScript, Glide API, and ServiceNow development tools. … Qualifications ServiceNow Certified System Administrator (CSA). One or more Certified Implementation Specialist (CIS) certifications (e.g., SPM, ITSM, HRSD, CSM). Experience with Flow Designer, App Engine Studio, or Performance Analytics. Exposure to Agile/Scrum methodologies. SC Cleared ServiceNow/SNOW Developer - 3-6 months - £400-480pd Inside IR35 - London (Hybrid) Damia Group Limited acts as an More ❯

collaborating with utilities and system operators to design, implement, and support mission-critical systems. Youll play a key part in developing, configuring, testing, and maintaining PSA solutions, ensuring reliable performance in live environments. Key Responsibilities Develop and deliver Power Systems Application software in line with project and product commitments. Work on functional specifications, design, coding, testing, integration, and application … and upgrades on live systems. Prior experience in real-time or mission-critical environments. Desirable Skills Experience working in energy/utilities domains. Additional expertise in scripting, debugging, and performance tuning. Familiarity with regulated or compliance-driven environments. Why Apply? Work on advanced, mission-critical PSA systems. Gain hands-on experience with Reliance and modern integration technologies. Contribute to More ❯

technical solutions. Participate in Agile development cycles, including sprint planning, reviews, and retrospectives. Ensure solutions follow ServiceNow best practices, coding standards, and platform governance. Support platform upgrades, patching, and performance tuning. Troubleshoot and resolve technical issues and defects. Required qualifications Experience developing on the ServiceNow platform in a professional setting. Proficiency in JavaScript, Glide API, and ServiceNow development tools. … Qualifications ServiceNow Certified System Administrator (CSA). One or more Certified Implementation Specialist (CIS) certifications (eg, SPM, ITSM, HRSD, CSM). Experience with Flow Designer, App Engine Studio, or Performance Analytics. Exposure to Agile/Scrum methodologies. MOD SC Mandatory More ❯