76 to 100 of 105 Performance Testing Jobs in London

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 … large & complex projects.Technical/Functional Proficiency:Strong C# knowledge in addition to exposure to both .Net Framework 4.5.2+ and .Net 5+Understanding of .Net performance analysis and optimization approaches.Write comprehensive unit tests utilizing frameworks like NUnit, xUnit, Shouldly, or equivalents.Familiarity with web technologies OpenAI/Swagger, REST, Authentication, TLSDemonstrable experience ...

delivery Supporting roadmap planning and feature development Data & Analytics Gathering, analysing, and interpreting data to identify trends and opportunities Monitoring customer engagement and AI performance metrics Producing insights and recommendations that influence product decisions Supporting data quality and governance initiatives AI Testing & Continuous Improvement Evaluating AI-generated outputs … identifying opportunities for enhancement Supporting A/B testing and experimentation activities Analysing user feedback and behavioural data to improve customer experiences Contributing to the ongoing optimisation of AI products Stakeholder Engagement Building relationships with stakeholders across Product, Technology, Data, and Customer Experience teams Presenting findings and recommendations clearly ...

potential risks related to systems, processes, and regulatory compliance. System Optimization: Identify system bottlenecks and deficiencies, devising and implementing robust solutions to enhance resiliency, performance, and scalability. Provide technical consultation for performance testing and tuning Qualifications & Desired Skills:Experience working in Fixed Income Financing products (specifically Repos … which is annually reviewed), and enjoy a whole host of additional benefits such as:27 days annual leave (plus bank holidays)A discretional annual performance related bonusPrivate Medical Care & Life InsuranceEmployee Assistance ProgramPension PlanPaid Parental LeaveSpecial discounts for employees, family, and friendsAccess to an array of learning and development ...

potential risks related to systems, processes, and regulatory compliance. System Optimization: Identify system bottlenecks and deficiencies, devising and implementing robust solutions to enhance resiliency, performance, and scalability. Provide technical consultation for performance testing and tuning. Qualifications& Desired Skills: Experience working in Fixed Income Financing products (specifically Repos … which is annually reviewed), and enjoy a whole host of additional benefits such as: 27 days annual leave (plus bank holidays) A discretional annual performance related bonus Private Medical Care & Life Insurance Employee Assistance Program Pension Plan Paid Parental Leave Special discounts for employees, family, and friends Access ...

Scale Factory in the United Kingdom is seeking a Principal Software Developer in Test to lead automation and performance testing initiatives for diverse client projects. You will design, develop, and maintain automation frameworks, mentor engineers, and stay ahead with tool-agnostic approaches to testing strategy. Leverage your … extensive experience in consultancy or managed services to deliver high-quality testing solutions, collaborate with clients to tailor QA plans, and drive excellence #J-18808-Ljbffr ...

Visualforce, SOQL/SOSL, triggers, controllers and Salesforce platform technologies . Design reusable development frameworks and components, ensuring high standards across code quality, performance, testing and maintainability . Implement complex Salesforce configuration, automation, workflows, approvals, validation rules and security controls . Agentforce, AI & Data Cloud Design and develop … leadership across Salesforce programmes, contributing to solution design, development standards, code reviews and engineering best practices . Drive continuous improvement across development, automation, platform performance and technical delivery. Key Skills: Extensive hands-on experience delivering enterprise Salesforce solutions , with strong development expertise across Apex, Lightning Web Components (LWC), Visualforce ...

development of other engineers.Qualifications What you’ll bringStrong experience building and operating production systems in Java.Experience designing distributed services and APIs, including testing, monitoring, and failure handling.Practical experience with a cloud platform such as AWS or GCP.Experience working with containers and an orchestration platform such as Kubernetes.A track record … Elastic, or distributed tracing.Knowledge of cloud networking and security.Experience working in a regulated environment or with standards such as PCI DSS.Experience with capacity planning, performance testing, or load testing.Experience producing clear technical documentation and architecture diagrams.What you will gainMeaningful influence over a platform used by engineers across Wise.The ...

diverse range of clients and sectors. Working closely with internal teams and client stakeholders, you'll use data and insight to drive campaign performance and deliver outstanding results. This role would suit someone with around 3-4 years' hands-on programmatic trading experience who enjoys analysing performance, testing … Plan, build and optimise programmatic campaigns across leading DSPs including The Trade Desk, DV360, Amazon DSP and Spotify. Monitor campaign delivery, budgets, pacing and performance to ensure objectives are achieved. Analyse campaign data and identify opportunities to improve results through ongoing optimisation. Work closely with strategy, creative and client ...

biometric technologies including: Facial Recognition Fingerprint Recognition Iris Recognition Biographic Identity Solutions ⭐ Understanding of: Liveness Detection Identity Verification Presentation Attack Detection (PAD) Biometric Bias & Performance Testing ⭐ Knowledge of biometric standards including: ISO/IEC 19794 ISO/IEC 29794 NIST/ANSI Standards ⭐ Experience within: Government Public Safety ...

team's work encompasses system design, requirements & acceptance management, hardware design & maintenance and other general systems engineering considerations such as Security, Safety, Human Factors, Performance, Availability & Reliability. Responsibilities: Maintain the Requirements database with associated contractual and acceptance details. Take a lead role in the testing and acceptance process … design of improvements. e. Review/agreement of External Interface documents and management of interface baseline. f. Leading other engineering activities such as performance testing, human factors, safety analysis, information assurance etc. Requirements: Proven ability of working with Software Systems Proven ability of developing and enhancing a software ...

days per week in London Outside IR35, start ASAP. Role overview: The Test Manager will be responsible for defining and executing the overall testing strategy for a complex ERP programme, ensuring all solution components — from processes to integrations — are thoroughly tested and validated before deployment.The role will cover planning … workstreams and business teams.Key responsibilities:Develop and own the programme-wide test strategy, approach and governance. Define test phases including UT, SIT, UAT, regression, performance testing and cutover validation. Prepare the master test plan, including scope, timelines, environments, entry/exit criteria, resources and tools. Coordinate testing ...

what they ship. Today, we serve over 6 million clients, with more than €38 billion in assets under management. At that scale, frontend architecture, performance and product quality have material business consequences. Our frontend platform spans web and mobile: TypeScript, React, React Native and React Native … cross-team problems in platform capabilities, shared libraries, design-system foundations, tooling and developer experience. Lead decisions on boundaries, abstractions, state and data flow, performance, testing and migration strategy. Diagnose systemic rendering, bundle, runtime and release-quality problems and create durable fixes. Remain hands-on where implementation, prototyping ...

similar. Design AWS networking across Direct Connect, public internet and hybrid connectivity environments. Work with VPCs, Transit Gateway and cross‐region architectures. Assess network performance and latency across different connectivity options. Design scalable storage architectures for large media files and high-throughput workloads. Optimise AWS storage tiers to balance … performance and cost. Design integration between AWS object storage and filesystem-based applications. Implement strong IAM, security and multi‐tenancy controls. Ensure appropriate segregation of content between different productions and business entities. DriveFinOps and cost optimisation from day one, including tagging, cost allocation, right-sizing and savings strategies. Support ...

Distribution Network Operators (DNOs) and Transmission System Operators (TSOs), National Grid, ICPs, Owner’s Engineers, and OEMs to support successful grid connection, energisation, compliance testing, and operational performance.The Technical Manager will work closely with internal commercial, procurement and construction, asset management, and operations teams, as well as external contractors … documentation, including specifications, drawings, design packages, and engineering deliverables.Ensure projects are delivered in accordance with applicable standards, grid requirements, and contractual obligations.Support commissioning, energisation, performance testing, and project handover to operations and asset management teams.Grid & Electrical Infrastructure ManagementLead coordination of grid connection activities with DNOs, National Grid, ICPs ...

environment that champions employee wellbeing, continuous learning, and long-term development. As a Salesforce Developer at Hyde, you will be responsible for developing, integrating, testing and maintaining new and existing features across Hyde's Salesforce and Contact Centre platform. You will work closely with business representatives, IT colleagues … Contact Centre platform. Collaborate with cross-functional teams to shape technical design, requirements, limitations and implementation plans. Carry out unit, integration and performance testing, investigating and resolving issues identified during testing. Support day-to-day Salesforce operations, including user access, security, custom objects, fields, workflows, validation rules, page ...

support to the community. Due to exciting growth we are looking to recruit for a Salesforce Developer who will be responsible for developing, integrating, testing, and maintaining existing and new features in the company Salesforce and Contact Centre platform. The Salesforce Developer will work closely with business representatives … Contact Centre platform. Collaborate with cross-functional teams to shape technical design, requirements, limitations and implementation plans. Carry out unit, integration and performance testing, investigating and resolving issues identified during testing. Support day-to-day Salesforce operations, including user access, security, custom objects, fields, workflows, validation rules, page ...

community. Due to exciting growth we are looking to recruit for a Salesforce Developer (Service Cloud) who will be responsible for developing, integrating, testing, and maintaining existing and new features in the company Salesforce and Contact Centre platform. The Salesforce Developer (Service Cloud) will work closely with business representatives … Contact Centre platform. Collaborate with cross-functional teams to shape technical design, requirements, limitations and implementation plans. Carry out unit, integration and performance testing, investigating and resolving issues identified during testing. Support day-to-day Salesforce operations, including user access, security, custom objects, fields, workflows, validation rules, page ...

experience unparalleled support on your journey to success.As a Senior Mobile Engineer in the Mobile Experience crew (Application Platform tribe), you will deliver high-performance, critical features for the MarineTraffic and Kpler mobile apps — B2C products serving millions of users — using Flutter, Dart and Mapbox. You will also help … complex Flutter & Dart applications in production.Solid experience with Node.js/TypeScript and GraphQL API design for services operating at scale.Excellent knowledge of mobile architecture, performance, testing and observability, with a strong Clean Code and Clean Architecture culture.Strong understanding of Apple's Human Interface Guidelines and the ability ...

Distribution Network Operators (DNOs) and Transmission System Operators (TSOs), National Grid, ICPs, Owner's Engineers, and OEMs to support successful grid connection, energisation, compliance testing, and operational performance. The Technical Manager will work closely with internal commercial, procurement and construction, asset management, and operations teams, as well as external … specifications, drawings, design packages, and engineering deliverables. Ensure projects are delivered in accordance with applicable standards, grid requirements, and contractual obligations. Support commissioning, energisation, performance testing, and project handover to operations and asset management teams. Grid & Electrical Infrastructure ManagementLead coordination of grid connection activities with DNOs, National Grid ...

systems. You will play a key role in requirements management, system design, verification, validation and acceptance activities, whilst contributing to safety, security, human factors, performance, availability and reliability considerations across the full engineering life cycle.Location: New Malden, UKWork Mode: Hybrid, 3-4 days per week on-site Pay Rate … hour PAYE (Inside IR35)Contract Length: 12 MonthsStart Date: ASAPKey Responsibilities: Maintain the requirements' database, including associated contractual requirements and acceptance criteria. Lead testing, verification and acceptance activities for both hardware and software releases. Elicit, analyse and agree system requirements, assessing changes in capability against established design baselines. Develop ...

systems. You will play a key role in requirements management, system design, verification, validation and acceptance activities, whilst contributing to safety, security, human factors, performance, availability and reliability considerations across the full engineering life cycle. Location: New Malden, UKWork Mode: Hybrid, 3-4 days per week on-site … hour PAYE (Inside IR35)Contract Length: 12 MonthsStart Date: ASAPKey Responsibilities: Maintain the requirements' database, including associated contractual requirements and acceptance criteria. Lead testing, verification and acceptance activities for both hardware and software releases. Elicit, analyse and agree system requirements, assessing changes in capability against established design baselines. Develop ...

team's work encompasses system design, requirements & acceptance management, hardware design & maintenance and other general systems engineering considerations such as Security, Safety, Human Factors, Performance, Availability & Reliability. Core Duties Maintain the Requirements database with associated contractual and acceptance details. Take a lead role in the testing and acceptance … support the design of improvements. Review/agreement of External Interface documents and management of interface baseline. Leading other engineering activities such as performance testing, human factors, safety analysis, information assurance etc. ...

disciplines.Construction support activities:Review of Contractor and Supplier submittals, andParticipate in construction site inspections,Support of equipment and control system commissioning, start-up, and performance testing, andAssist with system troubleshooting.Marketing Support Activities would be considered an asset, including:Assisting marketing team with project pursuit strategies,Presentation material development ...

APIs, and cloud-native microservices. Build distributed and event-driven systems using messaging and asynchronous processing patterns. Drive engineering excellence through architecture, coding standards, testing, and automation. Support production systems, incident management, troubleshooting, and operational resilience. Balance long-term architecture goals with short-term delivery priorities. Collaborate across engineering … driven architectures. Strong understanding of relational databases and data architecture patterns. Experience with CI/CD, DevOps, automation, and modern software delivery practices. Strong testing capabilities across Unit, Component, Integration, End-to-End, and Performance Testing. Familiarity with JVM ecosystem technologies, open-source frameworks, and production support. ...

with a working pattern of 3-4 days per week. Key Responsibilities: Maintain the Requirements database with associated contractual and acceptance details. Lead the testing and acceptance process for both hardware and software releases. Supporting the Systems team in: Elaborating and agreeing on system requirements, understanding changes in system … technical options, and preparing reports with recommendations. Reviewing and agreeing on External Interface documents and managing interface baselines. Leading other engineering activities such as performance testing, human factors, safety analysis, and information assurance. Job Requirements: Ability to operate in a large, complex multi-project environment. Proven experience with ...