151 to 175 of 374 Performance Optimisation Jobs in London

ability to write production-grade code Experience with at least one other OOP language (C++, C#, or Java) Background in commodities trading, risk, or pricing Familiarity with numerical libraries, performance optimisation, and clean software design principles Confident working closely with quants and traders in a fast-paced environment More ❯

ability to write production-grade code Experience with at least one other OOP language (C++, C#, or Java) Background in commodities trading, risk, or pricing Familiarity with numerical libraries, performance optimisation, and clean software design principles Confident working closely with quants and traders in a fast-paced environment More ❯

ability to write production-grade code Experience with at least one other OOP language (C++, C#, or Java) Background in commodities trading, risk, or pricing Familiarity with numerical libraries, performance optimisation, and clean software design principles Confident working closely with quants and traders in a fast-paced environment More ❯

of dependencies and integration points across modules and services Support release planning, documentation and internal communication of updates Use data, metrics and feedback loops to support iterative improvement and performance optimisation Skills & Experience 3+ years as a Product Owner, Technical Product Manager or similar in a software/SaaS environment Proven experience coordinating cross-functional teams (business analysis More ❯

of dependencies and integration points across modules and services Support release planning, documentation and internal communication of updates Use data, metrics and feedback loops to support iterative improvement and performance optimisation Skills & Experience 3+ years as a Product Owner, Technical Product Manager or similar in a software/SaaS environment Proven experience coordinating cross-functional teams (business analysis More ❯

of dependencies and integration points across modules and services Support release planning, documentation and internal communication of updates Use data, metrics and feedback loops to support iterative improvement and performance optimisation Skills & Experience 3+ years as a Product Owner, Technical Product Manager or similar in a software/SaaS environment Proven experience coordinating cross-functional teams (business analysis More ❯

of dependencies and integration points across modules and services Support release planning, documentation and internal communication of updates Use data, metrics and feedback loops to support iterative improvement and performance optimisation Skills & Experience 3+ years as a Product Owner, Technical Product Manager or similar in a software/SaaS environment Proven experience coordinating cross-functional teams (business analysis More ❯

Responsibilities Design and implement scalable database solutions, conceptual and logical data models, and metadata-driven pipelines Own the full data lifecycle from initial design and ingestion to governance and performance optimisation Lead architectural direction across the platform, helping the business move from legacy to future-state infrastructure Ensure GDPR/data compliance, security, and high-quality documentation are More ❯

Responsibilities Design and implement scalable database solutions, conceptual and logical data models, and metadata-driven pipelines Own the full data lifecycle from initial design and ingestion to governance and performance optimisation Lead architectural direction across the platform, helping the business move from legacy to future-state infrastructure Ensure GDPR/data compliance, security, and high-quality documentation are More ❯

Responsibilities Design and implement scalable database solutions, conceptual and logical data models, and metadata-driven pipelines Own the full data lifecycle from initial design and ingestion to governance and performance optimisation Lead architectural direction across the platform, helping the business move from legacy to future-state infrastructure Ensure GDPR/data compliance, security, and high-quality documentation are More ❯

Responsibilities Design and implement scalable database solutions, conceptual and logical data models, and metadata-driven pipelines Own the full data lifecycle from initial design and ingestion to governance and performance optimisation Lead architectural direction across the platform, helping the business move from legacy to future-state infrastructure Ensure GDPR/data compliance, security, and high-quality documentation are More ❯

in-memory data management, data structures, and optimization techniques Understanding of NUMA architecture and NUMA-aware programming Proven track record developing client/server applications Skilled in troubleshooting and performance optimization Working knowledge of financial instruments including Fixed Income, Money Markets, and Derivatives Experience with kernel bypass network drivers (e.g., Solarflare) Technology Stack Linux Red Hat gcc and SunPro More ❯

pipelines to streamline marketing analytics processes. Work hands-on with complex, incomplete datasets and build customer lifecycle and LTV models. Translate insights into actionable recommendations for marketing strategy and performance optimisation. Collaborate with internal stakeholders and third-party clients (e.g., VS, JoJo, Zalando) to align analytics efforts. Required Skills & Experience: 4–5 years of commercial experience in data science More ❯

pipelines to streamline marketing analytics processes. Work hands-on with complex, incomplete datasets and build customer lifecycle and LTV models. Translate insights into actionable recommendations for marketing strategy and performance optimisation. Collaborate with internal stakeholders and third-party clients (e.g., VS, JoJo, Zalando) to align analytics efforts. Required Skills & Experience: 4–5 years of commercial experience in data science More ❯

pipelines to streamline marketing analytics processes. Work hands-on with complex, incomplete datasets and build customer lifecycle and LTV models. Translate insights into actionable recommendations for marketing strategy and performance optimisation. Collaborate with internal stakeholders and third-party clients (e.g., VS, JoJo, Zalando) to align analytics efforts. Required Skills & Experience: 4–5 years of commercial experience in data science More ❯

With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together. Role description: We are looking for a Performance Insights Consultant to join Arcadis' Business Advisory team. You will play a key role in shaping and delivering high-impact, data-led transformation projects across our Mobility, Places, and … delivery, you will engage with mentors, team leaders, and line managers to support your career development, wellbeing, and progression within Arcadis. In Management Consultancy, you'll enhance our clients' performance by developing asset strategies and plans, and delivering them using information, technology, and behavioural change capabilities. Role accountabilities: Lead and deliver client-facing workstreams within transformation programmes Apply Arcadis … 5D Framework (Diagnose, Design, Deploy, Drive, Demonstrate) to structure and deliver impactful outcomes Generate actionable insights across cost, performance, risk, and operational effectiveness Develop and implement scalable reporting and benchmarking solutions Leverage expertise in business intelligence, advanced analytics, and data storytelling to drive client value Embed modern analytics tools and approaches into client programmes to enable sustainable improvements Collaborate More ❯

attitude. Preferred BackgroundExposure to property, fintech, or marketplace platforms. Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization (Docker/Kubernetes). Understanding of modern security practices and performance optimization. Compensation & Benefits: Competitive salary with the potential for equity options based on performance, recognising exceptional contributions to our integration success. More ❯

attitude. Preferred BackgroundExposure to property, fintech, or marketplace platforms. Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization (Docker/Kubernetes). Understanding of modern security practices and performance optimization. Compensation & Benefits: Competitive salary with the potential for equity options based on performance, recognising exceptional contributions to our integration success. More ❯

TypeScript . Utilize modern styling frameworks such as Tailwind CSS or Material-UI . Manage application state with Redux or Zustand . Ensure cross-browser compatibility and Front End performance optimization . Back End Development: Design and implement robust RESTful and GraphQL APIs using Python frameworks ( Flask , FastAPI , or Django ). Build and maintain secure authentication , authorization , and data … or Jenkins . Containerize applications with Docker and orchestrate them with Kubernetes . Monitoring & Optimization: Monitor systems using Azure Monitor , Grafana , and Prometheus . Troubleshoot and optimize AI model performance and user experience . Collaboration & Best Practices: Work closely with cross-functional teams (Data Engineers, AI Scientists, Cloud Architects). Participate in code reviews , testing , and documentation to ensure More ❯

improving mobile architecture, and ensuring releases meet both user needs. Key Responsibilities Be the expert - bring senior-level React Native expertise to raise technical quality and reduce bugs/performance issues. Mobile Architecture Leadership - proposes and leads architectural improvements to the mobile codebase. Collaborative working - Support the team in building structured, scalable mobile app patterns. Act as a bridge … mindset - especially when balancing delivery with safety-critical obligations. ️ We want to hear from you if you Have experience in: Advanced React Native experience, including hooks, navigation, styling, and performance optimisation Deep understanding of iOS and Android build systems, provisioning, certificates, and store requirements Proficiency with CI/CD for mobile apps using tools like Fastlane or GitHub … Store deployments, including internal/beta testing tracks Experience with unit testing, integration testing, and preferably end-to-end testing using tools (e.g. Appium) Familiarity with crash reporting and performance monitoring tools Strong ability to integrate with REST APIs, manage secure authentication flows, and handle offline scenarios Basic understanding of backend systems (e.g. Node.js, AWS) to debug issues and More ❯

drive their mobile app experience to the next level. 💼 The Role As a React Native Technical Lead , you’ll take ownership of their mobile app development — from architecture and performance to delivery and deployment. This is a fully hands-on position where you’ll still be coding daily while leading by example, mentoring engineers, and setting the technical direction … emerging trends in mobile and EdTech technology 💡 What They’re Looking For Proven experience building and delivering production-grade React Native applications Strong understanding of TypeScript , React , and mobile performance optimisation Experience integrating APIs, CI/CD pipelines, and app store deployments Ability to make architectural decisions and lead technical discussions Passion for education, user experience, and clean More ❯

drive their mobile app experience to the next level. 💼 The Role As a React Native Technical Lead , you’ll take ownership of their mobile app development — from architecture and performance to delivery and deployment. This is a fully hands-on position where you’ll still be coding daily while leading by example, mentoring engineers, and setting the technical direction … emerging trends in mobile and EdTech technology 💡 What They’re Looking For Proven experience building and delivering production-grade React Native applications Strong understanding of TypeScript , React , and mobile performance optimisation Experience integrating APIs, CI/CD pipelines, and app store deployments Ability to make architectural decisions and lead technical discussions Passion for education, user experience, and clean More ❯

drive their mobile app experience to the next level. 💼 The Role As a React Native Technical Lead , you’ll take ownership of their mobile app development — from architecture and performance to delivery and deployment. This is a fully hands-on position where you’ll still be coding daily while leading by example, mentoring engineers, and setting the technical direction … emerging trends in mobile and EdTech technology 💡 What They’re Looking For Proven experience building and delivering production-grade React Native applications Strong understanding of TypeScript , React , and mobile performance optimisation Experience integrating APIs, CI/CD pipelines, and app store deployments Ability to make architectural decisions and lead technical discussions Passion for education, user experience, and clean More ❯

aligned with Microsoft best practices. Design and execute migration plans, including data modelling and integration with external systems (e.g. using Azure Logic Apps, Azure Functions, APIs). Oversee solution performance optimisation and scalability. Guide delivery teams, ensuring high-quality standards in customisation, development, and deployment. Build custom components, workflows, and automations using Power Automate, Power Apps, and Microsoft … Automate, Microsoft Copilot Studio Azure Services: Logic Apps, Azure Functions, API Management.NET, Web APIs, SSIS, SQL Server Data modelling, security configuration, system integrations Experience designing and deploying scalable, high-performance CRM architectures. Knowledge of DevOps and deployment automation (manual & automated). Previous experience in building internal frameworks or best practices for delivery teams. Excellent communication, stakeholder management, and documentation More ❯

Offer upon successful completion Desired Skills and Experience Key Experience Proven ability to drive customer retention and loyalty through data insights Advanced SQL skills for deep dive analytics and performance optimisation Experience in e-commerce, digital marketplace, or subscription-based environments Strong data storytelling and stakeholder influencing capabilities Developed automated analytical workflows to scale insights and drive efficiency More ❯