26 to 50 of 60 Performance Optimisation Jobs in London

century and create the most important company of the next decade. OLIX is building this next paradigm; the Optical Tensor Processing Unit (OTPU) achieves performance and energy efficiency that is impossible to match from existing chips. The Role: We are seeking an experienced and highly motivated Senior FPGA Engineer … position requires close collaboration across FPGA, ASIC, hardware, optical, and software teams. Responsibilities Design and implement FPGA subsystems and hardware modules for high-performance systems. Develop and optimise high-speed interface subsystems (PCIe Gen4, multi-lane transceivers operating at >25 Gb/s NRZ). Implement and validate link ...

their expanding digital team. This is a fantastic opportunity for a paid media specialist with strong B2B marketing experience who enjoys working across strategic, performance-led campaigns for a variety of clients. The successful candidate will play a key role in planning, managing and optimising paid campaigns across multiple … internal strategy, client services and creative teams. Key Responsibilities: • Manage and optimise B2B paid media campaigns across Paid Search, Paid Social and Display • Develop performance-driven strategies focused on lead generation and ROI • Monitor campaign performance, budgets and reporting across multiple client accounts • Analyse campaign data and provide ...

Role The Network Engineer – L3 (UCC) provides advanced operational support, configuration management, and performance optimisation across unified communications platforms for financial services clients. This is a hands-on, client-facing role focused on resolving complex incidents, executing controlled changes, and maintaining high-performing, secure UCC environments. You will … changes in line with governance and compliance requirements Maintain and validate configuration baselines across Teams Voice, Direct Routing, and endpoints Monitor and optimise service performance using CQD, analytics, and incident trends Administer UCC platforms including Teams, Exchange Online integration, and collaboration tools Collaborate with Network, EUC, vendors, and service ...

office This is a high impact Retail Data Analyst role within a fast growing, data driven organisation where insight directly shapes pricing decisions, performance optimisation, and client outcomes. You will have genuine ownership, strong visibility, and the opportunity to influence how data is used across the business. … progression and impact. The Role You will join a lean analytics function within a wider business operations team, taking ownership of core retail style performance reporting and insight. Key responsibilities include: Owning and developing reporting and dashboards in Tableau Working closely with stakeholders across finance, operations, and client facing ...

latency components within an electronic trading (eTrading) and eRisk platform used across global FX and electronic execution businesses. The team designs and builds high‐performance, distributed systems that manage liquidity, generate real‐time prices, handle internal and external order execution, and support algorithmic trading strategies. These systems are business … similar trading protocols is advantageous. Familiarity with time‐series databases (e.g., kdb+) is desirable. Experience with lock‐free algorithms, advanced concurrency, and performance optimisation is preferred. How We Work Delta Capita is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless ...

live support. Youll develop robust backend services and API orchestration to underpin production-grade AI applications, and ensure operational excellence through monitoring, error handling, performance optimisation and Azure-based deployments. Responsible AI practices are embedded from the start - guardrails, controls, governance not bolted on at the end. Youll ...

step reasoning systems Work extensively with open-source and commercial LLM ecosystems, including Hugging Face models and tooling Implement prompt engineering, evaluation frameworks, and performance optimisation strategies Architect secure, scalable GenAI solutions on AWS and GCP Build APIs, services, and pipelines to integrate GenAI into real business workflows ...

APIs, including SOAP, REST, WSDL, and related standards. Strong technical expertise in XML and Java. Experience supporting interface technologies, networking, data warehousing, and performance optimisation. Proven ability to work with third-party vendors and external partners on integration and data-related initiatives. Personal Attributes Strong analytical, troubleshooting, and problem ...

expertise across CICS, z/OS and IBM WebSphere Liberty to support a major enterprise transformation programme. This role focuses on the engineering, configuration, optimisation and support of modern Java workloads running within CICS Liberty environments. Key Skills & Experience: Deep knowledge of CICS systems engineering and z/… infrastructure CICS region setup, configuration and JVM server management IBM WebSphere Liberty administration and runtime configuration Java workload management, JVM tuning and performance optimisation RACF, TLS, certificates, keyrings and security integration REST/API enablement and modern integration practices Problem determination using dumps, traces, logs and SMF data ...

deployment and maintenance, ensuring high‐quality outcomes across all phases. Implement best practices in coding, testing, and maintenance to enhance system scalability, reliability, and performance – particularly for the complex configuration and data management workflows that underpin client administration. Ensure compliance with relevant data protection and security standards, given … sensitive nature of client and member data managed by these teams. Set a high bar for software engineering excellence, emphasising efficiency, performance optimisation, and high availability. Act as a mentor to tech leads and managers across the Engineering organisation. Experience and Skills You Need in this Role: Experience ...

Support and troubleshoot production systems and live environments Collaborate with global teams including infrastructure, support, and business users Contribute to system improvements, upgrades, and performance optimisation Essential Skills Strong experience with C#/.NET Proven experience with WPF and/or WinForms Experience developing desktop-based applications Ability ...

media partners (Google, Adobe, etc.). Demonstrated track record of building joint marketing programs that drive pipeline/demand, with strong analytical and performance‐optimisation skills. Experience conceptualising and executing content and storytelling around technical/enterprise offerings and professional services, for both marketing and executive audiences. Strong ...

leverage state of the art tools and components Bring new ideas and experimenting with new technologies Requirements Strong programming skills with Python (including performance optimization) Knowledge of data structures and algorithms Experience working in a front office environment with researchers and traders Strong education background in STEM #J ...

with product brilliance. An ideal candidate meets at least the following requirements: Expert in Swift, with deep knowledge of SwiftUI and UIKit. Proficient in performance optimization—memory, CPU, GPU—using low‐level tools to deliver blazing‐fast systems. Experienced in designing and shipping intuitive, pixel‐perfect mobile UIs that ...

ability to design and implement production-grade services. Solid experience working with relational and document-oriented databases (SQL and NoSQL), including data modelling and performance optimisation. Experience building and operating containerised applications (e.g., Docker, Kubernetes), with a clear understanding of deployment, runtime behaviour, and production operations. Strong understanding … communication skills, able to engage across engineering, product, and senior business stakeholders. Nice to have: Experience with distributed caching solutions and patterns to improve performance and scalability in high-throughput systems. To find out more about Huxley, please visit (url removed) Huxley, a trading division of SThree Partnership ...

ideas quickly, validate mechanics, and iterate based on player behaviour and data. You will implement core features and systems in Unity using C#, improve performance, fix bugs, and keep the codebase maintainable. You will help establish asset and development pipelines so the team can build content smoothly and consistently. … mini game logic where needed. Key responsibilities Rapid prototyping of mobile game concepts and gameplay loops Feature implementation in Unity with clean, high performance C# Iterating from user engagement and monetisation data where applicable Integrating advertising SDKs and analytics tools for measurement Establishing content pipelines, maintaining the project structure ...

doing: - Productionising a voice AI system from an existing PoC - Working with voice platforms such as ElevenLabs/Deepgram (or similar) - Improving real-time performance and reducing latency - Designing lightweight orchestration (simple, deterministic flows over complex prompt chains) - Integrating customer/internal data using RAG approaches - Optimising cost, reliability … experience with speech-to-text and text-to-speech APIs - Proven ability to deliver production-grade AI systems - Good understanding of latency and performance optimisation - Experience with RAG and data-driven AI architectures - Strong API integration skills and practical engineering mindset - Comfortable working with sensitive data in production ...

deep knowledge of Android SDK Proven experience shipping mobile features at scale Strong understanding of modern Android architecture and design patterns Experience in performance optimisation and scalable UI Confident working in fast-moving, user-focused teams Bonus points for experience in accessibility, testing, or mobile CI/ ...

tailored solutions that not only meet but exceed client expectations. Their expertise spans a wide array of building automation technologies, ensuring efficiency, sustainability, and performance optimization for commercial and industrial environments. By integrating advanced systems with smart technology, they help clients achieve energy savings, reduce carbon footprints, and enhance ...

gateways, and third-party vendors Ensure compliance with SCA/PSD2, 3DS, PCI-DSS , and fraud prevention standards Support UAT, go-live, and ongoing performance optimisation Required Experience Proven experience as a Payments Product Owner/Manager focused on online payments Strong track record delivering PSP/gateway … Ecommerce payment flows (checkout, tokenisation, recurring payments) Card schemes (Visa, Mastercard, Amex) Digital wallets (Apple Pay, Google Pay) 3DS/SCA/authentication optimisation Payment decline management and retry logic Settlement, reconciliation, and chargebacks Experience improving checkout conversion and payment success rates Strong Agile delivery and stakeholder management experience ...

guide junior team members along the way. What you'll be doing: Developing multi-channel CRM strategies (email, push, SMS) Owning segmentation, journeys, and performance optimisation Turning data into clear, actionable insights Advising clients on CRM best practice and martech Presenting confidently to senior client stakeholders What ...

candidate will possess deep technical expertise in Murex architecture, environment management, release coordination, middleware, and infrastructure support, with strong experience managing platform stability, deployments, performance optimization, and incident resolution in a global banking environment. You must have several years of IT experience, including a number of years supporting Murex ...

candidate will possess deep technical expertise in Murex architecture, environment management, release coordination, middleware, and infrastructure support, with strong experience managing platform stability, deployments, performance optimization, and incident resolution in a global banking environment. You must have several years of IT experience, including a number of years supporting Murex ...

within some of the UK's most prestigious residential properties. The successful candidate will play a key role in delivering robust, secure and high performance networks that support integrated smart home, AV, security, lighting control and building management systems. This is NOT an IT support, MSP, cloud infrastructure … Ruckus wireless solutions Configure and maintain Fortinet firewall and security appliances Implement VLANs, routing, QoS, multicast and VPN technologies Perform network diagnostics, troubleshooting and performance optimisation Support integrated AV, automation and smart home systems from a networking perspective Produce and maintain network documentation, schematics and IP schedules Participate ...

have significant autonomy to shape how we build, what technologies we adopt, and how we scale our systems to handle the data volumes and performance demands of a world‐class trading operation. You'll lead a team of talented engineers while staying deeply hands‐on with the codebase. What … system architecture: APIs, microservices, event‐driven architectures, WebSockets, message queues, databases, and how frontend and backend systems work together in high‐performance environments. Experience with infrastructure and DevOps fundamentals: CI/CD, cloud platforms, CDN, monitoring/observability, and deployment strategies. Strong understanding of security best practices (OWASP, authentication ...