76 to 100 of 125 Performance Optimisation Jobs in London

Senior Machine Learning Engineer

Hiring Organisation
Fitch Group
Location
Greater London, United Kingdom
Employment Type
Full Time
orchestration tools (Airflow) for complex ML workflows Champion ML governance and operational excellence – Ensure adherence to AI/ML governance guidelines, monitor model performance and SLAs, optimize systems for reliability and cost-effectiveness, and implement best practices for production ML systems Collaborate across teams effectively – Partner with product squads … algorithms ranging from classical techniques to deep learning; proven experience training, fine-tuning, and deploying neural network models using PyTorch with focus on performance optimization and scalability Bachelor's degree in Machine Learning, Computer Science, Data Science, Applied Mathematics, or related field (Master's or PhD is strongly preferred ...

Network Technical Architect

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
support project delivery. Consult with new and existing customers to deliver value-added technical and professional services such as capacity planning, security audits, performance optimisation, customer premises deployments and migrations. Maintain technical competencies across a wide-ranging set of relevant technologies. Employ soft skills to assist in creating ...

Blue Yonder WMS Consultant - London/hybrid - 3 months - Inside IR35

Hiring Organisation
Halian Technology Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£565 per day
picking, packing, shipping and cycle counting. Strong SQL and PL/SQL development expertise. Unix/Linux and shell scripting knowledge. Database concepts and performance optimisation. Integration technologies, APIs and interface troubleshooting. Data warehousing and ETL concepts. Experience of Git and Agile delivery practices If interested, please send ...

Blue Yonder WMS Consultant - London/hybrid - 3 months - Inside IR35

Hiring Organisation
Halian Technology Limited
Location
London, UK
picking, packing, shipping and cycle counting. Strong SQL and PL/SQL development expertise. Unix/Linux and shell scripting knowledge. Database concepts and performance optimisation. Integration technologies, APIs and interface troubleshooting. Data warehousing and ETL concepts. Experience of Git and Agile delivery practices If interested, please send ...

Google Cloud Platform (GCP) Architect

Hiring Organisation
Diana Duggan UK Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 per day
multiple teams Own operational excellence by proactively identifying patterns in system failures, operational metrics, and data; designing and implementing systematic improvements to system reliability, performance, and observability Evaluate and lead vendor/technology assessments - leading sessions with external vendors, startups, and internal teams to drive outcomes-oriented evaluation … design, application development, testing, and operational stability at scale Advanced proficiency in one or more modern programming languages with demonstrated ability to optimize for performance, maintainability, and security with GoLang or Python being preferred including performance optimization and concurrency patterns Advanced Kubernetes platform engineering expertise, including hands ...

Databricks Solution Engineer

Hiring Organisation
Moody's
Location
Greater London, United Kingdom
Employment Type
Full Time
artificial intelligence initiatives Partner with business stakeholders and technical teams to translate requirements into cost-effective and scalable solutions Implement best practices for performance optimization, security, data quality, compliance, and governance Support integration of enterprise platforms including Salesforce, Microsoft Power BI, Snowflake, Microsoft Fabric, and other business applications Contribute … platform standards through automation, continuous integration and continuous delivery practices, and DevOps initiatives Monitor, troubleshoot, and enhance solution performance to ensure reliability, scalability, and operational excellence About the Team Our Data and Analytics team is responsible for delivering trusted, scalable, and innovative data solutions that enable informed decision-making ...

Lead Databricks Engineer

Hiring Organisation
EPAM Systems Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Databricks streaming workloads, including Structured Streaming and Delta Live Tables Collaborate with cross-functional teams to translate requirements into robust technical solutions Drive platform performance tuning, cost optimization and monitoring strategies for cloud workloads Provide leadership across the full engineering life cycle, including solution delivery and production support Mentor … expertise in Databricks for enterprise-scale workloads Proficiency in PySpark, Spark Structured Streaming, and Delta Lake Solid programming skills in Python and demonstrated SQL performance optimization experience Deep understanding of Azure Data Platform services and cloud-native engineering patterns Proven experience implementing data governance, quality management and observability frameworks ...

Data Developer (12 month contract)

Hiring Organisation
AO Shearman
Location
Hillingdon east, United Kingdom
/ELT processes using Data Factory, Data Pipelines, Notebooks, and Spark.Develop, maintain, and enhance SQL scripts, stored procedures, views, and data models.Monitor and troubleshoot performance issues within Fabric environments.Implement security, access controls, and governance standards.Support CI/CD deployment processes and source control best practices.Collaborate with business analysts, architects … data modelling techniques, including star schemas and dimensional modelling. Experience with Power BI semantic models and reporting. Knowledge of data governance, security, and performance optimisation. Experience using Git and CI/CD deployment practices. Strong problem-solving and analytical skills.DesirableExperience with Microsoft Fabric. Experience with Azure Data Services.Working with ...

Data Developer (12 month contract)

Hiring Organisation
A&O Shearman
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
processes using Data Factory, Data Pipelines, Notebooks, and Spark. Develop, maintain, and enhance SQL scripts, stored procedures, views, and data models. Monitor and troubleshoot performance issues within Fabric environments. Implement security, access controls, and governance standards. Support CI/CD deployment processes and source control best practices. Collaborate with … data modelling techniques, including star schemas and dimensional modelling. Experience with Power BI semantic models and reporting. Knowledge of data governance, security, and performance optimisation. Experience using Git and CI/CD deployment practices. Strong problem-solving and analytical skills. Desirable Experience with Microsoft Fabric. Experience with Azure Data ...

Data Developer (12 month contract)

Hiring Organisation
A&O Shearman
Location
Uxbridge, Middlesex, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
processes using Data Factory, Data Pipelines, Notebooks, and Spark. Develop, maintain, and enhance SQL scripts, stored procedures, views, and data models. Monitor and troubleshoot performance issues within Fabric environments. Implement security, access controls, and governance standards. Support CI/CD deployment processes and source control best practices. Collaborate with … data modelling techniques, including star schemas and dimensional modelling. Experience with Power BI semantic models and reporting. Knowledge of data governance, security, and performance optimisation. Experience using Git and CI/CD deployment practices. Strong problem-solving and analytical skills. Desirable Experience with Microsoft Fabric. Experience with Azure Data ...

RF Analogue Design Engineers

Hiring Organisation
Stott & May Professional Search Limited
Location
London, UK
Contribute to the development of advanced electronic subsystems within energy-intensive platforms. - Apply knowledge of energy storage technologies to system-level design, integration and performance optimisation. - Support technical proposals, engineering studies and programme delivery activities. - Collaborate with engineering teams and stakeholders to develop innovative technical solutions. - Participate in design ...

Java Modernization Technical Architect - SC Clearance

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Inside IR35 via Umbrella
Actions. Landing Zone & Cloud Integration: Architect integrations with Azure Landing Zones, Azure Storage, Azure SQL, and Azure Key Vault while ensuring strict security hardening, performance optimization, and observability. Governance & Leadership: Provide architectural oversight, conduct design reviews, establish migration best practices, and collaborate closely with client stakeholders, engineering leads … Azure Storage, Azure SQL, and Azure Key Vault. Modernization & Security: Track record in legacy-to-cloud application migration, OAuth2, JWT, REST API architecture, performance tuning, and security hardening. Containerization: Hands-on experience with Docker and Kubernetes for container orchestration. Front-End Fundamentals: Exposure to client-side technologies such ...

Java Modernization Technical Architect - SC Clearance

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
Actions. Landing Zone & Cloud Integration: Architect integrations with Azure Landing Zones, Azure Storage, Azure SQL, and Azure Key Vault while ensuring strict security hardening, performance optimization, and observability. Governance & Leadership: Provide architectural oversight, conduct design reviews, establish migration best practices, and collaborate closely with client stakeholders, engineering leads … Azure Storage, Azure SQL, and Azure Key Vault. Modernization & Security: Track record in legacy-to-cloud application migration, OAuth2, JWT, REST API architecture, performance tuning, and security hardening. Containerization: Hands-on experience with Docker and Kubernetes for container orchestration. Front-End Fundamentals: Exposure to client-side technologies such ...

Manager, Business Intelligence & Analytics, PACS Intelligence Services

Hiring Organisation
Coca-Cola
Location
Greater London, United Kingdom
Employment Type
Full Time
analytics solutions. The role is critical to building a modern intelligence capability that enables stakeholders to better understand reputation, public affairs, sustainability and communications performance while driving smarter business decisions. This individual will serve as a thought leader for business intelligence, analytics modernization, automation, and AI enablement. Leveraging Microsoft … PACS (Public Affairs, Communications, and Sustainability) Intelligence team within Enterprise Services. Our team provides intelligence solutions at scale, enabling enterprise stakeholders to monitor performance and make more informed decisions while fostering topline growth and competitive differentiation. As we enhance our capabilities, PACS Intelligence is focused on driving ...

Platform Engineering Associate Manager - DevOps

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
People, Client Value Creation, One Global Network, Respect for the Individual and Integrity. Year after year, Accenture is recognised worldwide not just for business performance but for inclusion and diversity too."Across the globe, one thing is universally true of the people of Accenture: We care deeply about what … cloud automation tools (e.g., AWS CloudFormation, Terraform, IAC) to provision and manage infrastructure as code efficiently. You should have a deep understanding of system performance optimization for cloud environments (AWS, Azure, GCP). You should have a deep understanding of cloud security best practices, including identity and access management ...

Senior Java Developer (Low-Latency & JVM Performance)

Hiring Organisation
Luxoft
Location
London, UK
Employment Type
Full-time
Project description Join a global technology team developing high-performance, low-latency platforms supporting critical trading and real-time processing workflows. The project focuses on building event-driven and reactive Java systems designed to operate at high frequency with demanding latency and throughput requirements. The environment combines advanced … performance engineering, concurrency, networking, and Linux optimization. The team works close to the hardware and operating-system level, optimizing memory utilization, network communication, and application performance to deliver highly efficient and reliable systems. Responsibilities Design and develop high-performance, low-latency applications using Core Java. Perform advanced ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
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 and C# skills for API development ...

Senior Production Support Engineer

Hiring Organisation
MarketAxess
Location
London, UK
Employment Type
Full-time
there is up to us. Join us and help Take Us There. The RoleThis role is to ensure the reliability, scalability, and performance of our production systems. You will focus on implementing engineering principles to automate operations, enhance system reliability and monitoring, reduce repetitive manual effort, and improve … person will be responsible for designing and maintaining monitoring and infrastructure, tools, automation, and other technology. By leveraging expertise in automation, incident management, and performance optimization, the successful candidate will contribute to building robust and resilient systems that support business goals. The ideal candidate will have a strong understanding ...

EMEA Head of Client Connectivity Engineering (SVP)

Hiring Organisation
Citigroup
Location
London, England, United Kingdom
best‐in‐class global platform across execution, prime, clearing and cross‐product margining. We are re‐engineering our technology estate to achieve world‐leading performance and resiliency, enabling new capabilities in advanced execution, global market connectivity, and modernised post‐trade, clearing and margin processes. Our ambition is to deliver … senior technology partner for business and senior technology stakeholders. Translate complex business needs into a clear technology roadmap and innovative product features, including execution performance improvements, new liquidity sources, and DMA capabilities.Platform Architecture & Delivery: Drive the architectural design and oversee the end-to-end delivery of high-performance ...

UI Developer (FX Trading Platform)

Hiring Organisation
Lorien Resourcing
Location
London, UK
Employment Type
Full-time
team supporting electronic trading platforms across Global Markets. The role will focus on developing and enhancing Cortex FX and associated trading applications, delivering high-performance, scalable solutions for real-time pricing and trading. The Ideal candidate is a technically strong UI Developer with proven JavaScript/TypeScript, Angular, HTML5 … London. This role will be Via Umbrella. Working in a Hybrid Model of 50% a week on site. Key ResponsibilitiesDesign, develop and maintain high-performance UI applications supporting Front Office FX trading platforms. Support platform migrations, UI convergence and modernisation initiatives. Develop scalable, reusable components using JavaScript, TypeScript, HTML5 ...

UI Frontend Lead engineer - AEM & AI

Hiring Organisation
LANCESOFT LTD
Location
London, UK
Manager (AEM), and AI-powered development tools such as Anthropic Claude and Claude Code. The ideal candidate will be responsible for designing scalable, high-performance, reusable, and maintainable frontend architectures for enterprise digital platforms. This role requires strong hands-on technical leadership, deep understanding of AEM-based digital experiences … frontend solutions using React, Next.js, TypeScript, JavaScript, HTML5, and CSS3. Design reusable component libraries, design systems, and micro-frontend architectures. Establish best practices for performance optimization, accessibility (WCAG), SEO, security, and responsive design. 2. Adobe Experience Manager (AEM) Expertise Design and implement frontend architectures integrated with Adobe Experience Manager ...

UI Front end Lead engineer – AEM & Generative AI (Claude)

Hiring Organisation
Vallum Associates
Location
London, United Kingdom
Employment Type
Contract
10+ years of experience in frontend development, enterprise UI architecture and technical leadership. The successful candidate will design and deliver scalable, reusable and high-performance frontend solutions using modern JavaScript frameworks, Adobe Experience Manager (AEM), AWS and AI-assisted development tools. Essential Skills & Experience 10+ years of frontend/… client libraries. Experience integrating frontend applications with AEM Headless, GraphQL and REST APIs . Proven expertise in frontend architecture, reusable components, design systems and performance optimisation. Hands-on experience with Claude AI/Claude Code for software development. Good understanding of AWS , CI/CD pipelines, Git and automated ...

Senior Data Insights Consultant

Hiring Organisation
VML
Location
London, UK
Employment Type
Full-time
complex SQL queries, ensuring clarity, efficiency, and production readiness. Design and build scalable dimensional data models from raw source systems (fact/dimension structures, performance-aware design). Apply strong data modelling principles, governance standards and practices that ensure data accuracy, consistency, and security. Develop and manage DBT transformations … using layered architecture, including testing and documentation best practices. Build production-ready Power BI semantic models and dashboards, including advanced DAX measures, performance optimization, and secure data access (RLS). Work collaboratively using GitHub, following structured branching, pull request, and code review workflows. Familiarity with or a strong interest ...

Senior Web Developer

Hiring Organisation
Insulet Corporation
Location
London, UK
Employment Type
Full-time
enterprise integration patterns Experience with Acquia hosting platform and Acquia Certified Developer (or higher). Strong understanding of CI/CD pipelines, automation, and performance optimization. Excellent written and verbal communication skills; ability to document processes and technical knowledge clearly. Positive, results-driven, logical thinker with strong organizational skills. … delivery of non-insulin subcutaneous drugs across other therapeutic areas. For more information, please visit insulet.com and omnipod.com. We are looking for highly motivated, performance-driven individuals to be a part of our expanding team. We do this by hiring amazing people guided by shared values who exceed customer ...

AES - DE - FS - Java

Hiring Organisation
Zensar Technologies
Location
London, UK
Employment Type
Full-time
PostgreSQL.Experience with CI/CD pipelines, Git, Maven/Gradle, and DevOps practices. Knowledge of cloud platforms such as Azure or AWS.Strong troubleshooting, performance tuning, and production support experience. Experience leading development teams and managing technical delivery. Understanding/Experience in Power PlatformResponsibilitiesLead the design, development, and implementation … practices. Collaborate with business stakeholders, architects, and delivery teams to translate requirements into technical solutions. Conduct code reviews and ensure high standards of quality, performance, and security. Support application modernization, troubleshooting, and performance optimization. Support Power Platform Apps. Mentor developers and drive technical excellence within the team. About ...