1 to 25 of 121 Performance Tuning Jobs in London

MS Dynamics Developer (Power Automate / Dynamics 365 F&O) - SC Cleared

Hiring Organisation
MLC Partners
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£425 - £500 per day
Power Apps (low-code) and incorporate AI features where appropriate to enhance F&O processes; evaluate new platform capabilities. Provide 3rd-line support , performance tuning, and bug fixes; support user training and produce support documentation. Consult with stakeholders on technical/functional design; explain complex topics clearly … extension models , upgrade strategies, coding standards, and maintainability best practices. Experience with unit testing , code reviews , technical documentation , and UAT . Proven maintenance & performance tuning for Dynamics 365 applications. Excellent communication skills; able to translate complex technical concepts for non-technical stakeholders. Experience working in Agile/Scrum ...

Messaging Engineer

Hiring Organisation
Ncounter LTD
Location
East London, London, United Kingdom
Employment Type
Permanent
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 ...

Oracle DBA

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
role in supporting our extensive portfolio of over 800 Oracle databases, primarily focusing on Oracle 19c. You will be responsible for ensuring the reliability, performance, and security of our database environments, which include complex configurations such as RAC/ASM, Exadata, Dataguard, and RMAN. Key Responsibilities: Support and maintain … Clusters and associated application tools. Create, modify, and patch various database products as needed. Execute Oracle RMAN backup and recovery procedures effectively. Optimize database performance through tuning and monitoring. Configure and operate Oracle GoldenGate microservices. Provide support for Oracle Exadata and Oracle DataGuard environments. Utilize OEM 13c, Oracle ...

Developer

Hiring Organisation
Vallum Associates
Location
London Area, United Kingdom
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 ...

Developer

Hiring Organisation
Vallum Associates
Location
City of London, London, United Kingdom
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 ...

Data Engineer

Hiring Organisation
Cerberus Capital Management
Location
City of London, London, United Kingdom
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 ...

Data Engineer

Hiring Organisation
Cerberus Capital Management
Location
London Area, United Kingdom
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 ...

Senior Specialist Engineer (SRE)

Hiring Organisation
UK Health Security Agency
Location
Birmingham, Leeds, Liverpool, London (Canary Wharf), United Kingdom
Employment Type
Permanent
Salary
£41983.00 - £52113.00 a year
manage these aspects while taking responsibility for multiple cloud infrastructure services Observing systems will be key to prioritising the operational service improvements and performance improvements to meet/exceed SLOs (Service Level Objectives) The role will be responsible to the Principal Specialist Engineer SRE and is part … High Performance Computing, Site Reliability Engineering , Artificial intelligence (HPC/SRE/AI) & research computing unit whose remit is to: Architect, develop & manage multi-cloud HPC platforms and on-premise infrastructure Ensure services are highly available, scalable and resilient Managing performance, capability and capacity planning Support UKHSA ...

IRM ServiceNow Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex … REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow ...

IRM ServiceNow Architect

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex … REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow ...

Senior Software Engineering Manager

Hiring Organisation
CDW UK
Location
London, UK
Employment Type
Full-time
Engineer Manager, you'll take on a high-profile, high-impact role for internal stakeholders and customers. Your experience in building and managing high-performance teams will help accelerate our growing business further. You will collaborate with other teams to develop new offerings, plan go-to-market strategies … industry best practices. Ensure scalability, security, and compliance by applying best practices in enterprise architecture, data governance, and role-based access controls. Optimize system performance by continuously monitoring and refining workflows, reducing redundancies and improving automation Collaborate with business units and IT stakeholders to assess current processes, identify gaps ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
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 ...

Solace Administrator

Hiring Organisation
BGC Group
Location
London Area, United Kingdom
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 ...

ServiceNow IRM Architect

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex … REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow ...

ServiceNow IRM Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
strategic customizations. Technical Advisory & Governance: Act as a subject matter expert and technical advisor to clients and internal teams, providing guidance on platform capabilities, performance optimization, security, and scalability. Establish technical governance to ensure solution integrity. Requirement Analysis & Solution Design: Collaborate with business stakeholders to gather and analyze complex … REST, SOAP, JDBC, MID Server). Technical Oversight & Quality Assurance: Provide technical oversight to development teams, ensuring adherence to architectural patterns, coding standards, and performance best practices. Participate in code reviews and ensure solution quality. Prototyping & Demonstrations: Lead the creation of technical prototypes and conduct demonstrations of proposed ServiceNow ...

Senior Data Engineer

Hiring Organisation
JSS Search
Location
City of London, London, United Kingdom
analytical and operational needs. Collaborate with data analysts, data scientists, and business stakeholders to understand requirements and deliver robust data solutions. Troubleshoot data discrepancies, performance issues, and system errors. Ensure compliance with data security, governance, and regulatory standards. Support and enhance existing data engineering processes and platforms. Essential Skills … Knowledge SQL Server Proficiency: Strong expertise in Microsoft SQL Server and SQL. Skilled in querying, performance tuning, and database optimisation. Data Warehousing & Modelling: In-depth understanding of data warehousing principles and modelling concepts. Experience with designing efficient schemas, including normalisation and denormalisation techniques. ETL/ELT Pipelines: Proven ...

Senior Data Engineer

Hiring Organisation
JSS Search
Location
London Area, United Kingdom
analytical and operational needs. Collaborate with data analysts, data scientists, and business stakeholders to understand requirements and deliver robust data solutions. Troubleshoot data discrepancies, performance issues, and system errors. Ensure compliance with data security, governance, and regulatory standards. Support and enhance existing data engineering processes and platforms. Essential Skills … Knowledge SQL Server Proficiency: Strong expertise in Microsoft SQL Server and SQL. Skilled in querying, performance tuning, and database optimisation. Data Warehousing & Modelling: In-depth understanding of data warehousing principles and modelling concepts. Experience with designing efficient schemas, including normalisation and denormalisation techniques. ETL/ELT Pipelines: Proven ...

Senior Data Engineer London

Hiring Organisation
Luxoft
Location
City of London, London, United Kingdom
pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with data scientists, analysts, and product … data integrity, consistency, and accuracy across multiple sources and systems - Automate data workflows and processes to improve efficiency and reduce manual intervention - Monitor pipeline performance, identify bottlenecks, and resolve issues proactively - Apply best practices in CI/CD, version control (e.g., Git), and infrastructure-as-code (e.g., Terraform, CloudFormation ...

Senior Data Engineer London

Hiring Organisation
Luxoft
Location
London Area, United Kingdom
pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with data scientists, analysts, and product … data integrity, consistency, and accuracy across multiple sources and systems - Automate data workflows and processes to improve efficiency and reduce manual intervention - Monitor pipeline performance, identify bottlenecks, and resolve issues proactively - Apply best practices in CI/CD, version control (e.g., Git), and infrastructure-as-code (e.g., Terraform, CloudFormation ...

Quantexa Tech Lead (Director)

Hiring Organisation
PSD Technology Contracts Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Support agile delivery, backlog grooming, and multiple use cases Perform code reviews and ensure best practice standards Mentor teams on Quantexa modelling, scoring, and performance tuning Integrate Quantexa within wider big data and cloud ecosystems Required Skills & Experience Quantexa Technical Certification (mandatory) Proven end-to-end Quantexa delivery ...

Senior Data Engineer

Hiring Organisation
RELX
Location
City of London, London, United Kingdom
ideal candidate will be experienced in integrating diverse internal and external data sources, collaborating with stakeholders, and ensuring the availability of trusted, high-performance datasets for downstream consumers. Responsibilities Design, build, and manage ingestion pipelines in Microsoft Fabric for structured and unstructured data, aligned to the Bronze and Silver … reliable data transfers and integrations. Implement scalable, repeatable processes for ingestion, schema management, validation, and metadata documentation. Ensure all data pipelines meet governance, compliance, performance, and security standards. Continually evaluate and adopt emerging Fabric features including Lakehouse optimisations, Warehouse capabilities, and orchestration improvements to support ongoing advancement ...

Senior Data Engineer

Hiring Organisation
RELX
Location
London Area, United Kingdom
ideal candidate will be experienced in integrating diverse internal and external data sources, collaborating with stakeholders, and ensuring the availability of trusted, high-performance datasets for downstream consumers. Responsibilities Design, build, and manage ingestion pipelines in Microsoft Fabric for structured and unstructured data, aligned to the Bronze and Silver … reliable data transfers and integrations. Implement scalable, repeatable processes for ingestion, schema management, validation, and metadata documentation. Ensure all data pipelines meet governance, compliance, performance, and security standards. Continually evaluate and adopt emerging Fabric features including Lakehouse optimisations, Warehouse capabilities, and orchestration improvements to support ongoing advancement ...

Data Engineer

Hiring Organisation
UST
Location
London Area, United Kingdom
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 Engineer

Hiring Organisation
UST
Location
City of London, London, United Kingdom
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 ...

Java Developer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
lifecycle (encryption, secrets management, logging). Collaborate with product, QA, SRE, and architecture teams to deliver high-quality features in iterative releases. Contribute to performance tuning, resilience testing, and SLAs/SLOs for real-time processing. Write clean, testable code with unit, integration, and contract tests; participate … Experience with Hazelcast, Kafka Connect, Schema Registry, or Confluent Platform. Knowledge of security in payments: OAuth2/OpenID Connect, mTLS, HSMs, tokenisation. Background in performance engineering (JMH, Gatling, k6) and chaos/resilience testing. Cloud experience (AWS/GCP/Azure) and infrastructure-as-code (Terraform/Ansible). ...