1 to 25 of 65 Performance Engineering Jobs in London

Role/Job Titlke: Performance Architect Mode of working: Hybrid with 3-days onsite in London Duration: 12 Months (Likelihood of further extension Our client, working on behalf of the British postal service and courier company is urgently seeking a Performance Architect with extensive experience in Performance Architecture, Performance Engineering and System Optimization. The successful candidate will be responsible for defining and driving the performance strategy across the entire solution lifecycle, ensuring that applications and platforms are scalable, resilient, and capable of meeting business and operational demands. The role focuses on embedding performance ...

# Lead Performance Test Engineer Apply now## **About the job you're considering**We are seeking a Lead Performance Engineer to lead a team of performance engineers delivering assurance across complex client programmes. You will set the performance strategy, define and agree non-functional requirements … quality gates, and ensure systems are scalable, resilient and ready for production.Working with engineering, architecture, DevOps, SRE, cloud and business teams, you will embed performance engineering throughout the delivery lifecycle**Hybrid working**: The places that you work from day to day will vary according to your role ...

platform for the LGBTQ+ business community. Please do not contact the recruiter directly. About the job you're considering We are seeking a Lead Performance Engineer to lead a team of performance engineers delivering assurance across complex client programmes. You will set the performance strategy, define … agree non-functional requirements and quality gates, and ensure systems are scalable, resilient and ready for production. Working with engineering, architecture, DevOps, SRE, cloud and business teams, you will embed performance engineering throughout the delivery lifecycle Hybrid working : The places that you work from ...

Director, MTA Engineering Mimecast is a leading cybersecurity company that helps organizations protect their people, data, and communications from today's most sophisticated threats. With over 42,000 customers worldwide, we analyze more than 18 billion security events daily to stop attacks before they cause harm. We are pioneers … combining advanced threat detection, awareness training, and Incydr risk management to reduce the likelihood and impact of human‐caused security incidents. AI-First Engineering at Mimecast Mimecast is an AI-First engineering organization. Our teams actively leverage AI-powered development tools to accelerate innovation, improve code quality ...

manage enterprise IT infrastructure across Compute (AIX/Linux, Windows/VMware), Storage, and Network domains with a strong focus on capacity planning, performance engineering, and operational resilience. The role supports large‐scale enterprise environments, ensuring high availability, scalability, and performance across all infrastructure layers. Key Responsibilities … network; analyze trends for CPU, memory, storage IO, and network utilization; recommend and implement capacity optimization; collaborate with application, database, and infrastructure teams. Performance Engineering & Optimization – Lead performance analysis and tuning across AIX/Linux/Windows and VMware environments; identify bottlenecks in CPU, memory, disk ...

will be responsible for designing, operating, automating, and continuously improving enterprise-scale Azure platforms, ensuring high availability, resiliency, security, and performance.The role combines software engineering, cloud architecture, infrastructure automation, and operational excellence to improve service reliability and reduce operational overhead through automation and engineering best practices.The ideal candidate … will have strong experience with **Microsoft Azure**, **DevOps**, **Terraform**, **API**, disaster recovery planning, and **enterprise-scale resilience engineering**.**Key Responsibilities**### Platform Reliability & Operations* Ensure the availability, performance, scalability, and reliability of Azure-hosted services.* Define and manage Service Level Indicators (SLIs), Service Level Objectives (SLOs ...

Technical Lead Java Engineer to help build the next generation of ultra-low latency FX eTrading and pricing platforms.This is a genuine Front Office engineering opportunity, partnering directly with FX Traders, Quants and Quant Developers to design and optimise mission-critical electronic trading systems where every microsecond matters.We … looking for engineers who thrive on solving complex performance problems and have a passion for building world-class low latency trading technology.Key experience sought: Core Java (Java 17+/21 preferred) Ultra-Low Latency Java development FX eTrading & Electronic Market Making FX Spot, Forwards, NDFs and FX Options experience ...

digital wealth management platform designed to help users grow, manage, and protect their long-term wealth across savings, investments, and pensions. Задачи: Own performance from day one by embedding performance thinking into delivery plans before code is written; Define thresholds, metrics, and SLOs that govern pass or fail … including budgets for latency, error rate, and throughput; Design and build performance tests for individual services, stubbing downstream and third‐party dependencies; Map load to real production traffic to identify performance bottlenecks; Integrate performance testing into CI/CD pipelines to catch regressions automatically; Build reusable ...

Barlowe LLP is seeking an exceptional Engineering Manager to lead our Compute Performance Engineering team in Greater London. This impactful role involves designing techniques to maximize performance across our Linux HPC and Kubernetes environments. The ideal candidate will have a strong background in computer science, experience … managing engineers, and a passion for performance optimization. The position includes a highly competitive salary, annual bonuses, and comprehensive benefits. #J-18808-Ljbffr ...

visit www.instinet.com. Role Overview As a senior Java Developer in the Crossing Technology team, the main responsibility is to develop, maintain, and improve the performance of Instinet’s Crossing Systems including (but not limited to) Instinet BlockMatch MTF and CBX crossing applications, as well as contributing to the vision … existing crossing applications. Collaborate with senior architects to design software that fits the needs of a business‐critical trading system. Make performance and latency improvement to Instinet’s crossing systems following performance engineering best practices Take ownership for the entire software lifecycle of a development project from ...

Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture and real-time data, this … could be a seriously interesting opportunity. We're partnering with an innovative technology business investing heavily in its engineering function and building highly available, cloud-native platforms that operate at significant scale. This isn't a role where you'll simply be maintaining an existing code-base. ...

Software Engineer (Sports betting) Up to £120,000 + Bonus + Excellent Benefits London | Python | Java | GCP | Real-Time Distributed Systems Build systems where performance really matters. If you're a Senior Software Engineer who gets excited by high-performance systems, distributed architecture and real-time data, this … could be a seriously interesting opportunity. We're partnering with an innovative technology business investing heavily in its engineering function and building highly available, cloud-native platforms that operate at significant scale. This isn't a role where you'll simply be maintaining an existing code-base. ...

extensive experience building, enhancing, and modernizing trading platforms within Fixed Income, Currencies, and Commodities (FICC) environments. The ideal candidate combines strong hands‐on engineering capability with architecture leadership, system design expertise, and a proven track record of optimizing high‐performance, low‐latency applications used by front‐office trading … businesses. This role will drive technical strategy, architecture decisions, platform modernization, performance tuning, and engineering excellence across mission‐critical trading systems. Key Responsibilities: Lead architecture, design, and development of complex trading and market‐facing platforms. Define system architecture, scalability, resilience, and performance strategies for business‐critical applications. ...

work alongside Quantitative Researchers, designing and building the software that underpins research, analytics and live trading. You'll join a highly technical environment where engineering quality, performance and collaboration are valued just as highly as innovation. This isn't a traditional application development role. You'll help create … What you'll be doing Partnering with Quantitative Researchers to build software supporting research and trading Developing scalable Python applications and workflows Designing high-performance solutions for processing and analysing large datasets Collaborating with engineering teams to build reusable software components Taking ownership from design through to deployment ...

Division Information Technology Contract Type Fixed Term Contract Length 3 years Posting End Date 24/08/2026 Principal, Data and Analytics Quality Engineering Lead Shape how quality is engineered across mission-critical financial platforms. This is a rare opportunity to lead Quality Engineering at scale, driving … Services, Informatica IDMC and Control-M orchestration, bringing together modern QE practices, AI-driven insights and deep domain expertise to ensure resilience, accuracy and performance where it matters most. If you’re passionate about transforming quality from a checkpoint into a strategic engineering capability and want to make ...

that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here. We don’t chase hype cycles. We innovate, build and deploy … make them happen. About the role As a Principal Machine Learning Engineer, you'll serve as the definitive technical authority on ML engineering across the organisation, setting the standard for how we design, build, and scale AI systems. You will own the architectural vision for our most complex ...

passion for achieving great things in the world are equally as important to us. Job Description Mandatory Skills: Observability, Resiliency, Service Management, Reliability, Performance engineering, Scalability, release management, Cloud cost management. Role Description Skills: ROLE PURPOSE Lead the Site Reliability Engineering practice, driving the transformation from reactive … operations to proactive, engineering-led reliability. Own the definition and enforcement of non-functional requirements (NFRs) using FMEA-based resiliency frameworks, and champion observability, self-healing automation, automated incident management, and database operations automation. Ensure systems are resilient, performant, cost-optimised, and continuously improving. KEY RESPONSIBILITIES Define and enforce ...

launch of core product features Drive technical direction and influence our overall strategy Champion Communities of Practice Lead by example via contributions to our engineering ecosystem Pioneer and promote methodologies like clean code and clean architecture Advocate for engineering productivity, delivery quality and operational excellence Drive DevOps practices … automate the Product development life cycle Partner with both Engineering, Technology and Product leadership Develop the best and mentor other senior engineering roles Promote effective innovation across all of engineering Advocate and strategize for continuous industrialisation and product-minded tech capabilities Inspire ideas to foster purpose ...

Socure, we are revolutionizing digital trust by building mission‐critical systems that deliver high reliability and operate at global scale. As a Manager, Software Engineering, you will be a hands‐on technical leader who defines direction, raises engineering standards, and delivers measurable product outcomes, all while remaining deeply … environments, who are passionate about distributed systems, and who want to directly influence the design of secure, scalable, and resilient infrastructure while cultivating top engineering talent. What You’ll Do: Architect and design scalable, resilient, high‐performance backend systems and platforms in AWS, prioritizing reliability, security, and cost ...

designing, building and maintaining cloud‐native services that power Vodafone’s next‐generation Digital & IT Platform. This role sits within cross‐functional, product‐centric engineering squads and focuses on delivering secure, scalable and high‐quality digital capabilities across multiple markets and tenants. The role offers the opportunity to work … cloud‐native backend and frontend components, including APIs, microservices, integrations and digital interfaces.* Deliver end‐to‐end digital capabilities with a strong focus on performance, stability, security and maintainability.* Collaborate closely with Product Owners, Delivery Leads, Technical Leads and Architects to refine requirements and translate them into robust technical ...

experienced software engineering leader looking to make a meaningful impact? This could be the role for you. As a Director of Software Engineering at JPMorganChase within Equities Trading Technologies, you will oversee a key technical domain and deliver results across teams, technologies, and cross-departmental projects. Drawing … decision-maker for your teams, and champion a culture of innovation and effective Job Responsibilities Oversee the design, development, and performance tuning of ultra-low-latency C++ trading systems supporting equity derivatives market making (options/warrants) Set the technology roadmap for trading systems expansion and lead strategic technical ...

experienced software engineering leader looking to make a meaningful impact? This could be the role for you. As a Director of Software Engineering at JPMorganChase within Equities Trading Technologies, you will oversee a key technical domain and deliver results across teams, technologies, and cross-departmental projects. Drawing … decision-maker for your teams, and champion a culture of innovation and effective Job Responsibilities Oversee the design, development, and performance tuning of ultra-low-latency C++ trading systems supporting equity derivatives market making (options/warrants) Set the technology roadmap for trading systems expansion and lead strategic technical ...

multi‐year convergence and modernization journey. You will play a pivotal role in shaping our next‐generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast‐paced front‐office environments, enjoys … Lead Site Reliability Engineer at JPMorgan Chase within J.P. Morgan Asset Management's Trading Technology group, you will be embedded directly within the software engineering team that builds and supports our front‐office trading platforms. Job Responsibilities Engage daily with traders across asset classes (Equities, Fixed Income ...

systems. As Site Lead, you'll serve as the face of Perplexity in London, responsible for building our technical organization, fostering a world‐class engineering culture, and directly managing one or more infrastructure teams. You'll report to senior leadership and work cross‐functionally with teams across our global … also facilitating. Responsibilities Site Leadership & Culture Establish and lead Perplexity's London office, setting the cultural foundation and operating principles Build a collaborative, high‐performance engineering culture that aligns with Perplexity's values while embracing the strengths of the London tech ecosystem Serve as the primary point ...

multi‐year convergence and modernization journey. You will play a pivotal role in shaping our next‐generation SRE patterns, reliability frameworks, observability strategy, and performance engineering capabilities across globally distributed systems. This role is ideal for an SRE specialist who thrives in fast‐paced front‐office environments, enjoys … Lead Site Reliability Engineer at JPMorgan Chase within J.P. Morgan Asset Management’s Trading Technology group, you will be embedded directly within the software engineering team that builds and supports our front‐office trading platforms. Job Responsibilities: Engage daily with traders across asset classes (Equities, Fixed Income ...