Performance Optimisation Jobs in London

126 to 150 of 221 Performance Optimisation Jobs in London

Senior Software Engineer - Roku/Disney+ (London)

Whetstone, Greater London, UK
Disney Cruise Line - The Walt Disney Company
to present a data-driven UX to viewers Familiarity with development and troubleshooting on set-top boxes or Smart TVs Experience working on a range of devices with varying performance and capabilities Experience with configuration-driven development Experience with performance optimization and feature degradation techniques Experience creating and extending templated controls, and writing custom controls Experience with asynchronous More ❯
Employment Type: Full-time
Posted:

Global Platform Team Lead and Senior Director - IT Network

London, United Kingdom
Boston Consulting Group
SD-WAN, cloud networking, and AI-driven automation to support global business operations. The leader will oversee next-generation network architecture, operations, and transformation, ensuring a seamless and high-performance connectivity experience. Key Responsibilities: Strategic Leadership & Transformation: Define and execute a modern network platform strategy, integrating cloud networking, software-defined networking (SDN), and AI-driven automation. Ensure end-to … time incident detection and response using AI-driven network analytics. Ensure high availability, network resilience, and 24x7 operational support. Develop a follow-the-sun support model, ensuring global network performance optimization. Implement network observability and predictive analytics to proactively prevent outages. Security, Compliance & Risk Management: Drive zero-trust security frameworks, ensuring secure and resilient network access. Ensure adherence to … to enhance network threat detection and mitigation. Implement automated security policy enforcement, reducing human intervention in risk mitigation. Financial & Vendor Management: Optimize network infrastructure spending, ensuring cost-effective, high-performance connectivity. Lead vendor selection, contract negotiation, and vendor relationship management. Ensure network services align with business goals, optimizing ROI and cost efficiency. Leadership & Talent Development: Build and mentor a More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Platform Engineering Manager - Ubuntu for Next-Gen Silicon (London)

London, UK
Hybrid / WFH Options
Canonical
ARM, RISC-V, s390x and POWER systems. We partner with the world's leading silicon vendors to optimise Ubuntu on their latest platforms. We integrate next-generation features and performance enhancements in Ubuntu while also ensuring a common operating experience for their users. Engineering Managers should be outstanding developers themselves. They should be completely at home reviewing a patch … or a software design spec. You will be expected to drive healthy engineering practices, documentation, quality and performance optimisations as well as lead your team to deliver high-quality design and code. An Engineering Manager is responsible for line management and career guidance. The ability to develop engineering talent, to represent your team and product from a technical perspective … virtualization, networking or graphics stacks Experience with one or more of the follow Experience with Docker/OCI containers/K8s ing technologies: confidential computing, RDMA, Infiniband and high performance computing. Performance engineering, benchmarking and profiling What We Offer You We consider geographical location, experience, and performance in shaping compensation worldwide. We revisit compensation annually (and more More ❯
Employment Type: Full-time
Posted:

Technical Architect - Analytics & Payment Systems

London, United Kingdom
BritBox
to best practices in software architecture and engineering. • Stakeholder Collaboration: Work closely with product managers, business analysts, and other stakeholders to gather requirements and translate them into technical specifications. • Performance Optimization: Monitor system performance and implement improvements to ensure high availability, reliability, and efficiency of software applications. • Security and Compliance: Ensure that all software solutions comply with industry … the foundation of how we work together, every day. Our values have been cascaded into specific behaviours, which are embedded into all of our people processes, including hiring, onboarding, performance evaluation and feedback. We are proud of our values and seek to hire people who resonate with them This job spec is not exhaustive and may change from time More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Architect - Analytics & Payment Systems (London)

London, UK
BritBox
to best practices in software architecture and engineering. Stakeholder Collaboration: Work closely with product managers, business analysts, and other stakeholders to gather requirements and translate them into technical specifications. Performance Optimization: Monitor system performance and implement improvements to ensure high availability, reliability, and efficiency of software applications. Security and Compliance: Ensure that all software solutions comply with industry … the foundation of how we work together, every day. Our values have been cascaded into specific behaviours, which are embedded into all of our people processes, including hiring, onboarding, performance evaluation and feedback. We are proud of our values and seek to hire people who resonate with them This job spec is not exhaustive and may change from time More ❯
Employment Type: Full-time
Posted:

Technical Architect - Analytics & Payment Systems (London)

London, UK
BritBox
to best practices in software architecture and engineering. Stakeholder Collaboration: Work closely with product managers, business analysts, and other stakeholders to gather requirements and translate them into technical specifications. Performance Optimization: Monitor system performance and implement improvements to ensure high availability, reliability, and efficiency of software applications. Security and Compliance: Ensure that all software solutions comply with industry … the foundation of how we work together, every day. Our values have been cascaded into specific behaviours, which are embedded into all of our people processes, including hiring, onboarding, performance evaluation and feedback. We are proud of our values and seek to hire people who resonate with them This job spec is not exhaustive and may change from time More ❯
Employment Type: Full-time
Posted:

Senior Software Engineer

London, United Kingdom
White Swan Data
based solutions for real-time, low-latency data processing Implement and maintain API integrations with multiple trading platforms Enhance and refactor existing model and trading strategy implementations for improved performance Design and implement BigQuery schemas for both real-time data processing pipelines and analytical reporting Monitor and optimize system performance to maintain millisecond-level latency targets Collaborate closely … on experience with Google Cloud Platform (GCP) and Docker containerization API Development : Experience building and integrating with RESTful APIs, particularly for real-time applications Low-Latency Systems : Understanding of performance optimization techniques and experience building resilient systems with strict latency requirements, streaming data architectures and event-driven systems Data Engineering : Solid grasp of data pipeline design, ETL processes, and … schema design for both transactional and analytical workloads Version Control & CI/CD : Proficiency with Git and modern deployment practices Benefits Salary depending on experience. Annual discretionary performance bonus. 25 days holiday per annum, plus UK bank holidays. Private health & dental insurance. Optical cover through Aviva. Pension plan. Gympass membership to over 1900 gyms and wellness businesses. Breakfast bought More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer (London)

London, UK
White Swan Data
based solutions for real-time, low-latency data processing Implement and maintain API integrations with multiple trading platforms Enhance and refactor existing model and trading strategy implementations for improved performance Design and implement BigQuery schemas for both real-time data processing pipelines and analytical reporting Monitor and optimize system performance to maintain millisecond-level latency targets Collaborate closely … on experience with Google Cloud Platform (GCP) and Docker containerization API Development : Experience building and integrating with RESTful APIs, particularly for real-time applications Low-Latency Systems : Understanding of performance optimization techniques and experience building resilient systems with strict latency requirements, streaming data architectures and event-driven systems Data Engineering : Solid grasp of data pipeline design, ETL processes, and … schema design for both transactional and analytical workloads Version Control & CI/CD : Proficiency with Git and modern deployment practices Benefits Salary depending on experience. Annual discretionary performance bonus. 25 days holiday per annum, plus UK bank holidays. Private health & dental insurance. Optical cover through Aviva. Pension plan. Gympass membership to over 1900 gyms and wellness businesses. Breakfast bought More ❯
Employment Type: Full-time
Posted:

Quantitative Developer

London, United Kingdom
SEI Investments Company
Investment Management Unit, Quantitative Investment Management, London SEI is seeking to hire a Quantitative Developer to develop, enhance and support platforms and tools that facilitate signal research, portfolio construction, performance attribution and reporting. What you will do: Infrastructure (40%): Design, develop, and maintain high-quality, scalable systems using industry best practices, SOLID principles, and design patterns where applicable. Enhance … and optimize systems for equity factor modelling, portfolio construction, trading, and reporting. Pipelines (20%): Identify and implement performance optimizations for data pipelines and processing workflows. Production (20%): Oversee the maintenance and operational stability of investment process systems and production jobs. Communication (20%): Ensure comprehensive documentation for applications, including system architecture and design specifications. Collaborate closely with senior developers to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Drupal Full Stack Web Developer

London, United Kingdom
Talan Group
quality through code reviews, automated testing, and adherence to development best practices. Manage deployments and environments using tools like Git, Docker, or CI/CD pipelines. Troubleshoot bugs and performance issues across the stack. Qualifications 3+ years of experience working with Drupal 8/9/10 in full-stack development roles. Experience with Twig, Drupal theming, and the … Understanding of RESTful services and API integrations. Version control using Git (GitHub/GitLab/Bitbucket). Experience working in Agile environments. Knowledge of web security best practices and performance optimization. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Director of Cloud Connectivity

London, United Kingdom
Boston Consulting Group
workflows. Observability & Operational Reliability: Establish deep observability into cloud network paths, health indicators, and latency measurements. Apply SRE practices to ensure uptime, fast incident response, and continuous improvement. Drive performance optimization and root cause analysis through telemetry, analytics, and runbooks. Define and monitor SLAs, SLOs, and KPIs related to cloud connectivity experience. Security, Compliance & Governance: Ensure secure design and … matter expert in cloud connectivity across all business units and initiatives. Leadership & Team Development: Lead a global team responsible for cloud network architecture, engineering, and operations. Foster a high-performance culture focused on innovation, automation, and service excellence. Promote knowledge sharing and enablement across cloud and infrastructure domains. What You'll Bring Required Qualifications: 12+ years of experience in … region to region, and service to service-is reliable, performant, and built to scale with business demand. Additional info Total compensation for this role includes base salary, annual discretionary performance bonus, retirement contribution, and a market leading benefits package described below. The base salary range for this role is $181,000.00 - $221,000.00 This is an estimated range, however More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Director of Cloud Connectivity (London)

Hanwell, Greater London, UK
Boston Consulting Group
workflows. Observability & Operational Reliability: Establish deep observability into cloud network paths, health indicators, and latency measurements. Apply SRE practices to ensure uptime, fast incident response, and continuous improvement. Drive performance optimization and root cause analysis through telemetry, analytics, and runbooks. Define and monitor SLAs, SLOs, and KPIs related to cloud connectivity experience. Security, Compliance & Governance: Ensure secure design and … matter expert in cloud connectivity across all business units and initiatives. Leadership & Team Development: Lead a global team responsible for cloud network architecture, engineering, and operations. Foster a high-performance culture focused on innovation, automation, and service excellence. Promote knowledge sharing and enablement across cloud and infrastructure domains. What You'll Bring Required Qualifications: 12+ years of experience in … region to region, and service to service-is reliable, performant, and built to scale with business demand. Additional info Total compensation for this role includes base salary, annual discretionary performance bonus, retirement contribution, and a market leading benefits package described below. The base salary range for this role is $181,000.00 - $221,000.00 This is an estimated range, however More ❯
Employment Type: Full-time
Posted:

Platform Engineer - Integrations

London, United Kingdom
Hybrid / WFH Options
Appwrite
systems that power the growth of our platform and user base. You'll work on backend services, data pipelines, and automation tools that enable experimentation, user acquisition, retention, and performance optimization. This role involves collaborating closely with product, platform, and growth teams to develop systems that support growth initiatives, payment integrations, and analytics infrastructure. As an active member of … billing and payment systems that ensure secure, accurate, and compliant transaction processing. Ensure systems are observable, secure, and compliant with industry best practices and standards. Monitor service health and performance, and proactively identify areas for optimization. Contribute to a great developer experience through thoughtful automation, reliable systems, and well-documented tooling. Stay informed about the latest in cloud-native More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Architect - Microsoft D365 (Finance) (London)

Wandsworth, Greater London, UK
On
culture of code craftsmanship, emphasizing clean, efficient, and maintainable code. Lead by example, setting high standards for code quality and conducting code reviews to ensure adherence to best practices. Performance Optimization: Continuously analyze and optimize the performance of our D365 F&O and Commerce platform, identifying bottlenecks and implementing solutions to ensure optimal speed, scalability, and reliability. Technical … Deep Technical Expertise: 12+ years of experience in developing and implementing solutions using Microsoft Dynamics 365 F&O and Commerce, with a strong focus on technical design, development, and performance optimization. D365 F&O and Commerce Mastery: In-depth knowledge of Dynamics 365 F&O and Commerce architecture, including data model, security model, development framework, and relevant APIs. Programming … Proficiency: Expert-level proficiency in X++, C#, and other programming languages relevant to D365 F&O and Commerce development. Performance Tuning: Proven experience in optimizing the performance of D365 F&O and Commerce applications, including database tuning, code optimization, and infrastructure configuration. Integration Expertise: Extensive experience integrating D365 F&O and Commerce with various systems using different integration More ❯
Employment Type: Full-time
Posted:

Salesforce Developer (Vlocity/Salesforce Core)

London, United Kingdom
8x8, Inc
systems using APIs , middleware, and Vlocity DataRaptors. Ensure seamless data flow across integrated systems, maintaining data accuracy and performance. Collaborate with IT teams to troubleshoot and resolve integration challenges. Performance Optimization: Optimize Salesforce Core and Vlocity solutions for performance, scalability, and maintainability. Conduct code reviews, performance testing, and debugging to ensure high-quality deliverables. Implement best practices … designs, workflows, and solution architectures for both Vlocity and Salesforce Core implementations. Provide technical guidance and mentorship to peer developers as needed. Testing and Deployment: Conduct unit, integration, and performance testing for all developed solutions. Support deployments across multiple environments using CI/CD pipelines and version control systems. Troubleshoot and resolve post-deployment issues, ensuring seamless user experience. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Technical Architect (London)

Hanwell, Greater London, UK
Hybrid / WFH Options
Levy Global
to best practices in software architecture and engineering Stakeholder Collaboration: Work closely with product managers, business analysts, and other stakeholders to gather requirements and translate them into technical specifications. Performance Optimization: Monitor system performance and implement improvements to ensure high availability, reliability, and efficiency of software applications. Security and Compliance: Ensure that all software solutions comply with industry More ❯
Employment Type: Full-time
Posted:

Lead/Staff Backend Engineer

London, United Kingdom
Gorilla
Staff Backend Engineer, you'll play a pivotal role in designing and scaling our data platform, powering key decisions for energy companies worldwide. We're committed to delivering high-performance, data-intensive SaaS solutions that help our clients maximize ROI and accelerate their path to net-zero. You'll work at the intersection of deep technical expertise and strategic … forecasting, and analytics applications. You'll balance hands-on development with strategic contributions across teams. Your responsibilities will include: Lead architectural decisions across the platform, ensuring scalability, reliability, and performance in high-load, data-heavy environments. Drive cross-functional technical initiatives that have a broad impact across the product, working closely with Product Managers, Designers, and fellow Engineers. Mentor … term technical vision in partnership with engineering and leadership. What we're looking for Expertise in Python , with a strong command of modern software design patterns, testing practices, and performance optimization. Extensive experience with relational databases and data modeling for high-throughput systems. Deep understanding of distributed systems design and the trade-offs involved in consistency, availability, and partition More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Global IT Network Senior Director

London, United Kingdom
The Boston Consulting Group GmbH
network services while integratingSD-WAN, cloud networking, and AI-driven automationto supportglobal business operations. The leader will overseenext-generation network architecture, operations, and transformation, ensuring a seamless and high-performance connectivity experience. Key Responsibilities: Strategic Leadership & Transformation: Define and execute amodern network platform strategy, integratingcloud networking, software-defined networking (SDN), and AI-driven automation. Ensureend-to-end network automationto … and error budgets. Implementreal-time incident detection and responseusing AI-driven network analytics. Ensurehigh availability, network resilience, and 24x7 operational support. Develop afollow-the-sun support model, ensuringglobal network performance optimization. Implementnetwork observability and predictive analyticstoproactively prevent outages. Security, Compliance & Risk Management: Drivezero-trust security frameworks, ensuringsecure and resilient network access. Ensure adherence toISO 27001, NIST, SOC 2, GDPR … best practices. Collaborate withcybersecurity teamsto enhancenetwork threat detection and mitigation. Implementautomated security policy enforcement, reducing human intervention in risk mitigation. Financial & Vendor Management: Optimizenetwork infrastructure spending, ensuringcost-effective, high-performance connectivity. Leadvendor selection, contract negotiation, and vendor relationship management. Ensurenetwork services align with business goals, optimizingROI and cost efficiency. Leadership & Talent Development: Build and mentor ahigh-performing network engineering More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Global IT Network Senior Director (London)

Highbury, Greater London, UK
The Boston Consulting Group GmbH
network services while integratingSD-WAN, cloud networking, and AI-driven automationto supportglobal business operations. The leader will overseenext-generation network architecture, operations, and transformation, ensuring a seamless and high-performance connectivity experience. Key Responsibilities: Strategic Leadership & Transformation: Define and execute amodern network platform strategy, integratingcloud networking, software-defined networking (SDN), and AI-driven automation. Ensureend-to-end network automationto … and error budgets. Implementreal-time incident detection and responseusing AI-driven network analytics. Ensurehigh availability, network resilience, and 24x7 operational support. Develop afollow-the-sun support model, ensuringglobal network performance optimization. Implementnetwork observability and predictive analyticstoproactively prevent outages. Security, Compliance & Risk Management: Drivezero-trust security frameworks, ensuringsecure and resilient network access. Ensure adherence toISO 27001, NIST, SOC 2, GDPR … best practices. Collaborate withcybersecurity teamsto enhancenetwork threat detection and mitigation. Implementautomated security policy enforcement, reducing human intervention in risk mitigation. Financial & Vendor Management: Optimizenetwork infrastructure spending, ensuringcost-effective, high-performance connectivity. Leadvendor selection, contract negotiation, and vendor relationship management. Ensurenetwork services align with business goals, optimizingROI and cost efficiency. Leadership & Talent Development: Build and mentor ahigh-performing network engineering More ❯
Employment Type: Full-time
Posted:

React Native Developer

London, United Kingdom
Hybrid / WFH Options
Experis
Northampton - Any location (Hybrid) Duration: 6 Months Day rate: £400 - £450 Umbrella Only As a Senior React Native Developer , you will play a key role in shaping the architecture, performance, and quality of our mobile applications. You'll lead development efforts, promote best practices, and work closely with product managers and designers to deliver user-centric solutions that scale. … re Looking For: 5-8 years of experience in front-end or mobile development, with a strong focus on React Native . Deep understanding of JavaScript/TypeScript , mobile performance optimization, and component-based architecture. Solid knowledge of mobile development workflows, debugging, testing (Jest, Detox), and CI/CD. Experience integrating RESTful APIs and third-party libraries. Strong communication More ❯
Employment Type: Contract
Rate: £400 - £450/day
Posted:

Infrastructure/ Platform Engineer Apache

London, United Kingdom
Experis - ManpowerGroup
to embed Spark jobs into InfoSum's platform APIs and data pipelines. ? Troubleshoot job failures, memory and resource issues, and execution anomalies across various runtime environments. ? Optimize Spark job performance and advise on best practices to reduce cloud compute and storage costs. ? Guide engineering teams on choosing the right execution strategies across AWS, GCP, and Azure. ? Provide subject matter … support monitoring and incident response. ? Align implementations with InfoSum's privacy, security, and compliance practices. Required Skills and Experience: ? Proven experience with Apache Spark (Scala, Java, or PySpark), including performance optimization and advanced tuning techniques. ? Strong troubleshooting skills in production Spark environments, including diagnosing memory usage, shuffles, skew, and executor behavior. ? Experience deploying and managing Spark jobs in at More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Infrastructure/ Platform Engineer Apache

London, United Kingdom
Experis
to embed Spark jobs into InfoSum's platform APIs and data pipelines. ? Troubleshoot job failures, memory and resource issues, and execution anomalies across various runtime environments. ? Optimize Spark job performance and advise on best practices to reduce cloud compute and storage costs. ? Guide engineering teams on choosing the right execution strategies across AWS, GCP, and Azure. ? Provide subject matter … support monitoring and incident response. ? Align implementations with InfoSum's privacy, security, and compliance practices. Required Skills and Experience: ? Proven experience with Apache Spark (Scala, Java, or PySpark), including performance optimization and advanced tuning techniques. ? Strong troubleshooting skills in production Spark environments, including diagnosing memory usage, shuffles, skew, and executor behavior. ? Experience deploying and managing Spark jobs in at More ❯
Employment Type: Contract
Posted:

Salesforce Software Development Engineer

London, United Kingdom
8x8, Inc
systems using APIs , middleware, and Vlocity DataRaptors. Ensure seamless data flow across integrated systems, maintaining data accuracy and performance. Collaborate with IT teams to troubleshoot and resolve integration challenges. Performance Optimization: Optimize Salesforce Core and Vlocity solutions for performance, scalability, and maintainability. Conduct code reviews, performance testing, and debugging to ensure high-quality deliverables. Implement best practices … designs, workflows, and solution architectures for both Vlocity and Salesforce Core implementations. Provide technical guidance and mentorship to peer developers as needed. Testing and Deployment: Conduct unit, integration, and performance testing for all developed solutions. Support deployments across multiple environments using CI/CD pipelines and version control systems. Troubleshoot and resolve post-deployment issues, ensuring seamless user experience. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Quantitative Developer Low Latency

City of London, London, United Kingdom
James Joseph Associates Limited
business is actively expanding as there is additional headcount for a number trade platform specialist Java Development with a focus on either/or Quantitative Development or low-latency performance optimization. You will be working on greenfield projects to build out and enhance their low latency trading systems. THE ROLE: Working in a fast-paced trading environment as a … tune trading strategies across both spot and derivative markets. Based directly on the trading floor, you will play a crucial role in enhancing execution logic, automating workflows, and ensuring performance at scale for a high-frequency, multi-exchange setup. You will focus on optimising every component of the trading stackincluding multi-threading, network communication, order processing, and execution logicto … achieve ultra-low latency and high throughput. Robust monitoring, alerting, and performance tracking ensure system reliability. The team has deep expertise in trading protocols, messaging systems, network architectures, and concurrent computing to support a complex, high-frequency trading landscape. KEY RESPONSIBILITIES: Build and refine algorithmic trading models for use across various digital asset exchanges Improve and maintain dynamic hedging More ❯
Employment Type: Permanent
Posted:

Senior Software Engineer, London (London)

London, UK
Isomorphic Labs
art platform for conducting ML research with a high velocity and reliability Building key MLOps components for transferring models from research to production at scale Working on low-level performance optimization to increase the efficiency and performance of ML models and infrastructure Optimizing and maximally leveraging our compute resources and fleet of accelerators for large scale training and More ❯
Employment Type: Full-time
Posted:
Performance Optimisation
London
10th Percentile
£52,250
25th Percentile
£68,125
Median
£85,000
75th Percentile
£100,625
90th Percentile
£120,000