426 to 450 of 483 Performance Optimisation Jobs in London

React Developer

Location
Greater London, England, United Kingdom
/UX Designers, and QAs, to deliver features that enhance user experience and meet business requirements. Optimise applications for maximum speed, scalability, and performance, ensuring the best possible user experience. Stay updated with the latest frontend technologies, tools, and industry trends, and apply them where appropriate. Qualifications & Skills: 3+ … development. Proficiency in TypeScript, React, and Redux or other state management frameworks. Strong experience in frontend system design, including architecting scalable, maintainable, and high-performance web applications aligned with overall platform architecture. Awareness and proficiency in security best practices and accessibility. Experience in using UI component libraries such ...

Junior Python Django Developer Times Fastest Growing

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
agile and fast paced. As requirements evolve you will leverage the best of the open source community, sometimes substituting your own solutions where greater performance is needed. You will be encouraged to evangelise and prototype new technologies and through doing so you will help shape the architecture. Python Django … Javascript/AngularJS)Strong understanding of software development practices such as agile development/scrum/kanbaDatabase design (both relational and non-relational) and performance optimization experienceYou will gain exposure to NumPy, SciPy, pandas, IPython and other Python libraries with ability to source, clean and manipulate large data sets ...

Frontend Architect - React

Location
City Of London, England, United Kingdom
Latency) Role Overview- We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. The ideal candidate will have hands-on experience across the full UI development lifecycle, including design, development, testing, and deployment. Technical Skills & Expertise- Frontend Technologies … Have): Exposure to frameworks like Playwright or Cypress Desired Experience Experience working on financial services or trading platforms is an advantage Strong understanding of performance optimization and low-latency UI applications Experience with highly available, mission-critical systems. #J-18808-Ljbffr ...

Sales Trading Desk Head

Location
Greater London, England, United Kingdom
Lead and scale the EMEA electronic execution franchise, working in partnership with your Co‐Head to define strategic direction, allocate resources, oversee P&L performance, and drive growth across algorithmic trading, DMA, SOR, and crossing network products Serve as a primary relationship owner and strategic advisorfor key institutional clients … develop innovative solutions that respond to evolving market structure and regulatory dynamics (including MiFID II and best execution requirements) Oversee the development and performance optimization of sophisticated execution algorithms, ensuring competitiveness in low‐latency environments, monitoring Transaction Cost Analysis (TCA), and collaborating with quants and developers to refine trading ...

Electronic Execution Sales Trading Desk Head

Location
Greater London, England, United Kingdom
Lead and scale the EMEA electronic execution franchise, working in partnership with your Co-Head to define strategic direction, allocate resources, oversee P&L performance, and drive growth across algorithmic trading, DMA, SOR, and crossing network products Serve as a primary relationship owner and strategic advisor for key institutional … develop innovative solutions that respond to evolving market structure and regulatory dynamics (including MiFID II and best execution requirements) Oversee the development and performance optimization of sophisticated execution algorithms, ensuring competitiveness in low-latency environments, monitoring Transaction Cost Analysis (TCA), and collaborating with quants and developers to refine trading ...

Front End Engineering Manager

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
especially looking for individuals who are experts in front-end engineering for mobile or web platforms, with deep experience in modern frameworks and performance optimization. You'll bring hands-on experience with generative AI technologies and understand how to apply them to enhance product experiences. Consulting experience is also … solutionsPropel the use of Generative AI within our work and productsProvide input to technology & engineering thought leadership to our clients and teams Maximise team performance through mentorship, skills learning and career development Contribute to developing offerings, assets, capabilities, and attend events We are looking for experience in the following ...

Data Analyst (DA)

Location
Greater London, England, United Kingdom
optimization initiatives. Contribute to best practices for data management, documentation, and analytics delivery. Telecommunications & GIS Analytics Utilize telecommunications domain expertise to analyze network performance, operational KPIs, telemetry data, and asset lifecycle information. Work with GIS datasets, geospatial analytics, and location-based intelligence solutions. Leverage BigQuery GIS functions and spatial … Table Expressions (CTEs) Arrays and Structs DDL and DML operations User Defined Functions (UDFs) Strong understanding of Google BigQuery including: Partitioning and Clustering Query Performance Optimization Cost Management and Pricing Models (On-Demand vs Slots) BigQuery IAM and Access Controls Experience working with GraphQL APIs and data extraction processes. ...

Delivery Assurance Architect

Location
Greater London, England, United Kingdom
Practices Your Impact Building, executing, and reinforcing best practices across all implementations to ensure customer readiness, data readiness, solid solution design, build best practices, performance optimization, solution scalability, and usability for our customers. Using your spirit and tenacity to drive excellence throughout the entire customer lifecycle; ensuring the optimal … best practices for delivery, and supporting team members in project delivery, issue, and risk mitigation techniques. A customer services‐orientated background, ideally with Enterprise Performance Management, Software Infrastructure Support, and/or multi‐dimensional modelling (Anaplan platform expertise is strongly preferred). Experience with Agile methodology. Ability to constantly ...

Access Network Architect

Hiring Organisation
GSK
Location
London, UK
Employment Type
Full-time
teamsAssess and integrate emerging technologies (e.g., SD-WAN, zero trust, hybrid cloud networking, WiFi 8, campus fabric)Define network standards, policies, and best practicesEnsure performance optimization, fault tolerance, and disaster recovery readinessCollaborate with enterprise, cybersecurity, cloud, and systems architects Manage vendor relationships and participate in technology selectionWhy You? Basic … leading global healthcare companies· Company Car or Car Allowance· Long-Term incentives · Contract of employment · Attractive reward package (annual bonus & awards for outstanding performance, recognition awards for additional achievements and engagement, holiday benefits· Life insurance and pension plan· Private medical package with additional preventive healthcare services for employees ...

Senior RF Engineer (Indoor)

Location
City of Westminster, England, United Kingdom
About The Role As a Senior RF Engineer, the candidate will support the design, deployment and optimisation of our wireless mobile solutions across the HS2 project. The Senior RF Engineer will work in a multi-discipline design team to create solutions that meet customers’ needs. You will create … spacial co-ordination of equipment. Experience of testing methodologies, test tools such as scanners and test phones (TEMS, NEMO etc). Advanced knowledge in optimisation and performance optimisation. Good knowledge of Radio Link Budgets. This role requires 2 days per week located in Birmingham. Benefits & Perks Flexible working ...

Service Portfolio Manager

Location
Greater London, England, United Kingdom
deploy, adopt, and support Fortinet technologies. The Service Portfolio team provides strategic and tactical leadership across initiatives focused on service innovation, operational excellence, and performance optimization. With a diverse and evolving portfolio of services, the role requires strong thought leadership, analytical capability, and problem solving skills to drive improvements … Operations teams to ensure new or changed services are delivered effectively. Incorporate customer feedback, usage data, and satisfaction metrics into service improvement plans. Financial & Performance Management Develop and maintain cost models and pricing considerations for services. Monitor value realization and ensure services deliver expected outcomes. Define and track KPIs ...

Quant Linux Systems Engineer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Engineer to join our client's Quant Systems team in London. Our client is a well-known and highly regarded organization in the high-performance trading and research infrastructure space. We are currently seeking motivated individuals with a strong background in Linux systems and extensive experience managing complex, large … inclusive, collaborative, and dynamic environment. Key Responsibilities: Lead the design, implementation, and maintenance of cutting-edge infrastructure, including Linux-based systems, high-performance computing clusters, storage solutions, networking, and development tools. Contribute to diverse technology projects, including workload orchestration, system monitoring, distributed storage architecture, SDLC processes, and performance ...

Senior Lighting Artist

Location
Greater London, England, United Kingdom
impacts, explosions, smoke, fire, sparks, environmental effects, and gameplay feedback. Optimize lighting and VFX for target hardware while maintaining visual quality. Profile and improve performance related to GPU cost, shadows, Lumen, translucency, particles, post-processing, and volumetrics. Collaborate with level designers to ensure lighting and VFX support gameplay flow. … elevate scene composition, material response, emissive usage, and lighting integration. Debug lighting and VFX issues such as artifacts, exposure problems, reflection issues, overdraw, and performance bottlenecks. Create reusable lighting and VFX setups, guidelines, and best practices. Take part in reviews, playtests, polish passes, and performance passes. Lead ...

C++ Quant Developer - Options

Location
City Of London, England, United Kingdom
trading desks in the crypto options market. In this role, you will directly collaborate with our traders, focusing on the development of scalable, high-performance options trading systems. You will engage with the full options stack, expanding the business across centralized finance, decentralized finance, and OTC. The ideal candidate … solve difficult problems and thrives in a fast-paced environment. Responsibilities System Architecture: Design and implement scalable, low-latency options trading systems and strategies. Performance Optimization: Continuously optimize and monitor the performance of the trading system, ensuring fast execution. Testing: Contribute to the development of unit and integration ...

Senior Android Engineer

Hiring Organisation
Just Eat Takeaway.com
Location
London, UK
Employment Type
Full-time
impact millions of daily active users. You will collaborate closely with Product Managers, UI/UX Designers, and Backend Teams to build intuitive, high-performance features. Key Responsibilities: Feature Development: Lead the design and implementation of complex, scalable, and maintainable features using modern Android technologies. Architecture & Quality: Drive best … mobile architecture (MVVM/Clean Architecture). Maintain exceptionally high code quality through rigorous code reviews, automated testing, and CI/CD pipelines. Performance Optimization: Continuously monitor, profile, and optimize app performance, ensuring minimal battery usage, fast startup times, and smooth UI rendering. Technical Leadership ...

ML System Engineer - (Reinforcement Learning)

Location
Greater London, England, United Kingdom
research and engineering teams, building robust testing environments, scaling distributed pipelines, and converting experimental concepts into dependable production software. Key Responsibilities Network Orchestration & System Performance Resource Management: Design runtime isolation, task scheduling, and resource allocations for multiple concurrent local processes sharing the same hardware. System Synchronization: Build robust reconciliation … system behaviors for validation. Pipeline Automation: Construct fault-tolerant distributed processing networks that support automated state saving, failure recovery, and cross-site data flows. Performance Optimization: Profile system execution to improve processing performance through code optimization, resource tuning, and hardware acceleration on varied architectures. Diagnostics & Engineering Standards Data ...

Quantitative Developer

Location
Greater London, England, United Kingdom
quant researchers in our cutting‐edge prediction capabilities Simulation – back‐testing frameworks for validating the strategies our researchers produce and for assessing their ongoing performance Research tooling – front‐end UX and workflow for our quant researchers Performance and scalability – optimising our trading and research systems to unlock … capabilities To give a flavour of the work we do, here are some of our recent projects: Low level performance optimisations in our core simulation engine, unlocking the next advances in quant research Experimenting with alternative solvers in a core trade planning system Integrating our high and low frequency ...

Electrician

Hiring Organisation
JLL
Location
London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
effective corrective maintenance, planning for Critical Environment and Risk Management, and driving industry-leading standards. The primary objectives focus on service delivery, quality, and performance that underpin both JLL WPM and JLL's vision for engineering excellence. This is a key position requiring excellent teamwork, relationship management, and technical … building through reporting and audit reviews Maintain the Asset Management Plan and monitor criticality and condition of assets Provide benchmarking of equipment and performance Plan and manage major building shutdowns and critical work events Review plant and system performance, highlighting solutions and progressing Continuous Improvement and appropriate benchmarking ...

Full-Stack Software Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £100,000 per annum
environment where people can make a meaningful impact. Their engineering team works closely with other areas of the business, creating software that directly influences performance and innovation. THE ROLE As a Full-Stack Software Developer, you will build and enhance high-performance C#/.NET applications, working across … .NET applications used across the business Working on both greenfield development and enhancements to existing systems Contributing to system architecture, design decisions, and performance optimization Developing scalable solutions that process and manage large volumes of data Collaborating with highly skilled engineers in a cross-functional environment Taking ownership ...

Customer Success Consultant - Retail Media

Hiring Organisation
Mirakl
Location
London, UK
Employment Type
Full-time
Success, your primary mission is to support Mirakl Ads clients in launching and growing their advertising revenues - from strategy design to day-to-day performance optimization. The ideal candidate is a driven, curious and client-obsessed professional, who thrives in complex, fast-moving environments and brings the energy … live and beyondDeliver strategic recommendations at business reviews, presenting to client teams and C-levels, sharing market insights and case studies to inspire performance and long-term growthDesign and implement the right KPI frameworks to monitor clients' advertising network performance and continuously identify growth leversSupport clients ...

Member of Technical Staff (AI Inference Engineer)

Location
Greater London, England, United Kingdom
tomorrow.* **Rust-native serving runtime.** Develop our internal Rust-based inference server to solve all Python pains and keep up with rapidly growing traffic.* **Performance optimisation.** Profile and fix bottlenecks from network ingress through continuous batching and GPU kernels interleaving.* **Reliability and observability.** Build dashboards, alerts, and automated remediation … catch regressions before users do. Respond to and learn from production incidents.### **Who we're looking for:*** Deep experience with GPU programming and performance work (CUDA, Triton, CUTLASS, or similar). Any other deep systems programming experience is a plus.* You understand modern LLM architectures and are able ...

Manager - Actimize SAM - Tuning & Calibration - Transaction Monitoring System

Location
Greater London, England, United Kingdom
strategies to improve detection accuracy, optimize thresholds, and reduce false positives. Provide expert guidance on the SAM 9 platform, including segmentation, rule enhancements, and performance optimization. Transaction Monitoring Frameworks Own the bank’s TM optimization strategy, ensuring alignment with regulatory expectations and financial crime risk appetite. Lead gap assessments … cross‐functional teams to define best practices for scenario design and data quality management. Data Analysis & Tuning Leverage data analytics to assess TM model performance and deliver insight‐driven tuning recommendations. Identify challenges with cross‐border, trade finance, and retail transaction data and propose effective solutions. Develop structured approaches ...

Global Contract Logistics IT - Solution Engineer (m/w/d)

Hiring Organisation
Kühne + Nagel
Location
Uxbridge, Greater London, UK
Employment Type
Full-time
ensuring alignment with functional and technical requirements. Support successful system deployments, including release management, cutover planning, and hypercare activities. Drive continuous improvement by monitoring performance, optimising integrations, and enhancing standards and processes. What we would like you to bringStrong experience in system integrations, data mapping, and interface development within … .Proven ability to design, build, and maintain robust, scalable integration solutions. Strong problem-solving skills with experience in testing, defect resolution, and performance optimisation. Excellent collaboration and communication skills, with the ability to work across cross-functional, global teams. What's in it for youOpportunity to work on global ...

Workday Financials Reporting Analyst

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £850 per day
translate finance business requirements into effective reporting solutions. Develop calculated fields and utilise Workday and Prism data sources. Manage report security, scheduling, distribution and performance optimisation. Test, troubleshoot and support reporting solutions throughout their lifecycle. Collaborate with Finance and IT teams to ensure adherence to governance and change processes. … processes. Excellent stakeholder management, analytical and problem-solving skills. Desirable Experience with Workday Prism Analytics and/or Workday Accounting Center. Experience optimising reporting performance in complex environments. Experience developing dashboards, worklets and reporting solutions supporting integrations. Reasonable Adjustments: Respect and equality are core values to us. ...

Workday Financials Reporting Analyst

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£750.00 - £850.00 per day
translate finance business requirements into effective reporting solutions. Develop calculated fields and utilise Workday and Prism data sources. Manage report security, scheduling, distribution and performance optimisation. Test, troubleshoot and support reporting solutions throughout their lifecycle. Collaborate with Finance and IT teams to ensure adherence to governance and change processes. … processes. Excellent stakeholder management, analytical and problem-solving skills. Desirable Experience with Workday Prism Analytics and/or Workday Accounting Center. Experience optimising reporting performance in complex environments. Experience developing dashboards, worklets and reporting solutions supporting integrations. Reasonable Adjustments: Respect and equality are core values to us. ...