301 to 325 of 484 Performance Optimisation Jobs in London

Backend Developer - AWS/Typescript/Serverless Architecture/AWS Lambda

Location
Greater London, England, United Kingdom
code reviews and architectural decision-making. Develop automated tests and contribute to continuous integration and continuous delivery processes. Investigate and resolve technical issues, defects, performance problems and production incidents. Consider security, accessibility, privacy, resilience, scalability and performance throughout the development lifecycle. Contribute to technical documentation and knowledge sharing … development workflows. Understanding of software engineering principles including clean code, modularity, maintainability, version control and appropriate design patterns. Experience diagnosing and resolving application defects, performance issues and production problems. AWS and Serverless Development Candidates should have a good understanding of: AWS Lambda and serverless application development. Designing applications using ...

Platform Engineer

Location
Greater London, England, United Kingdom
solutions. The Platform Engineer partners with the Analytics product engineering team to design, build and operate platform capabilities that enable our market leading high-performance, distributed computing products to run reliably, securely and efficiently at scale. This includes infrastructure automation, runtime orchestration, CI/CD enablement, observability and performance … pipelines supporting distributed systems and shared components. Implement observability through logging, metrics and alerting, improving platform reliability and debuggability. Monitor and optimise system performance, throughput and resource utilisation. Ensure platform security, access control and compliance with internal standards. Own and maintain operational documentation, runbooks and support procedures to ensure ...

Senior Full Stack Engineer - Vialto Rewards - Senior Manager

Hiring Organisation
Vialto Partners
Location
London, UK
Employment Type
Full-time
outcomes. TasksBuild and evolve modern web experiences for Compensation Collection, Shadow Payroll, and Equity products using Next.js, React, and TypeScript with a focus on performance, reliability, and clarity for tax, payroll, and mobility operators. Design and implement backend services and APIs using C#, .NET, and WebAPI to support compensation … compensation, equity, HR, finance, or tax domains. Strong experience designing and building large JavaScript applications with Next.js and/or React (TypeScript, state management, performance optimization). Strong backend development experience in C# and .NET (ASP.NET, WebAPI, MVC) including API design and service patterns for high-integrity calculation ...

Senior Full Stack Engineer - Team Web

Hiring Organisation
Intercom
Location
London, UK
Employment Type
Full-time
experiences across web and mobile. Develop backend logic and APIs, manage data flows, and implement systems that integrate with third-party platforms. Optimize website performance by applying best practices in front-end development, including lazy loading, and efficient asset management. Set up and manage infrastructure using tools like Vercel … CloudFront, S3, etc.).Experience with A/B testing and familiarity with analytics tools to drive data-informed design and development decisions. Knowledge of performance optimization techniques and best practices for fast-loading, responsive websites. Experience in writing tests for front-end components, with familiarity in testing frameworks (e.g. ...

Digital Marketing Data Executive

Location
Greater London, England, United Kingdom
measurable business results. We cover all aspects of digital marketing, from brand awareness and content creation to marketing automation, digital channels, user engagement, and performance optimisation. As digital innovation continues to reshape how people interact with brands, data and AI is a key part of everything we do. … measurable business results. We cover all aspects of digital marketing, from brand awareness and content creation to marketing automation, digital channels, user engagement, and performance optimisation. As digital innovation continues to reshape how people interact with brands, data and AI is a key part of everything we do. ...

Sales Manager

Location
Greater London, England, United Kingdom
volumes of weekly meetings and client entertainment Achieve quarterly and annual targets with accurate pipeline forecasting Liaise with Account Managers on campaign delivery and performance optimisation Operate across both managed service and programmatic campaigns What you'll bring Strong track record in Advertising Sales, ideally with digital display ...

Staff Frontend Engineer: Data-Driven UI & Dashboards

Location
Greater London, England, United Kingdom
frontend of the Physical AI platform, shaping large-scale, data-heavy UIs for engineering workflows. You will lead architecture, design system evolution, and performance optimizations while collaborating with Design, Product, and Backend teams. You will mentor engineers, enhance testing standards, and drive frontend delivery across complex experiments and dashboards ...

Software Engineer - London (Office-First) | Build Impact

Location
City of Westminster, England, United Kingdom
engineers to translate requirements into practical solutions, communicate progress and trade-offs, and contribute to architectural discussions. The role emphasizes code quality, reviews, and performance optimization in a hybrid office setup. The successful candidate will have experience with distributed systems, modern stacks (Rust, #J-18808-Ljbffr ...

SAP ABAP (RAP)

Location
Greater London, England, United Kingdom
Knowledge with Enhancements: BADI, User Exits, Customer Exits and Enhancement Spots. Good understanding of SAP’s clean core architecture and approach Sound knowledge in performance optimization and SAP best practices in ABAP area Clean Core Extension knowledge Experience/knowledge in Professional Services development SAP Build Knowledge Developing experience ...

Product Engineering - Team Lead

Location
Greater London, England, United Kingdom
will work closely with engineers, designers, core developers, and stakeholders across the business to define, build, and ship a secure, scalable, and high‐performance trading platform. What you will work on Define and own the technical architecture for Wintermute’s trading products, client‐facing portals, and internal applications — making … 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 ...

Product Engineering - Team Lead

Location
Greater London, England, United Kingdom
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 ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
drive growth in a platform-powered world. It is present in over100 countries with over 23,000 employees worldwide. Overview Performics is the Performance Centre of Excellence within Publicis Groupe, delivering AI-powered, data-driven marketing solutions for global brands. Our flagship platform, OneSuite, unifies automation, orchestration, and intelligent … data systems to transform how performance marketing operates across Search, Social, Programmatic, and Commerce channels. At the heart of this ecosystem is the Data Foundation Platform (DFP) — the unified data layer that powers OneSuite’s analytics, AI orchestration, and decisioning capabilities. DFP ingests, transforms, and standardizes data from 20+ ...

Senior Appian Development Consultant

Hiring Organisation
Valtech
Location
London, UK
Employment Type
Full-time
code technology, workflow automation and intelligent digital solutions. Our capability spans the full transformation lifecycle; from discovery and solution design through to implementation, optimisation and continuous improvement. We work across sectors including financial services, retail, healthcare, automotive, media and the public sector, delivering enterprise platforms that simplify complex business … demonstrations and continuous improvement initiatives. You will also play an important role in maintaining delivery quality through technical reviews, unit testing, deployment management and performance optimisation. As technology continues to evolve, you'll remain curious and committed to continuous learning; embracing new Appian capabilities and identifying opportunities to improve ...

Databricks Solution Engineer

Location
Greater London, England, United Kingdom
artificial intelligence initiatives Partner with business stakeholders and technical teams to translate requirements into cost-effective and scalable solutions Implement best practices for performance optimization, security, data quality, compliance, and governance Support integration of enterprise platforms including Salesforce, Microsoft Power BI, Snowflake, Microsoft Fabric, and other business applications Contribute … platform standards through automation, continuous integration and continuous delivery practices, and DevOps initiatives Monitor, troubleshoot, and enhance solution performance to ensure reliability, scalability, and operational excellence About the Team Our Data and Analytics team is responsible for delivering trusted, scalable, and innovative data solutions that enable informed decision-making ...

Databricks Solution Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
artificial intelligence initiatives Partner with business stakeholders and technical teams to translate requirements into cost-effective and scalable solutions Implement best practices for performance optimization, security, data quality, compliance, and governance Support integration of enterprise platforms including Salesforce, Microsoft Power BI, Snowflake, Microsoft Fabric, and other business applications Contribute … platform standards through automation, continuous integration and continuous delivery practices, and DevOps initiatives Monitor, troubleshoot, and enhance solution performance to ensure reliability, scalability, and operational excellence About the Team Our Data and Analytics team is responsible for delivering trusted, scalable, and innovative data solutions that enable informed decision-making ...

Databricks Solution Engineer

Location
Westminster, West End, United Kingdom
artificial intelligence initiatives Partner with business stakeholders and technical teams to translate requirements into cost-effective and scalable solutions Implement best practices for performance optimization, security, data quality, compliance, and governance Support integration of enterprise platforms including Salesforce, Microsoft Power BI, Snowflake, Microsoft Fabric, and other business applications Contribute … platform standards through automation, continuous integration and continuous delivery practices, and DevOps initiatives Monitor, troubleshoot, and enhance solution performance to ensure reliability, scalability, and operational excellence About the Team Our Data and Analytics team is responsible for delivering trusted, scalable, and innovative data solutions that enable informed decision-making ...

Databricks Solution Engineer

Hiring Organisation
Moody's
Location
Greater London, United Kingdom
Employment Type
Full Time
artificial intelligence initiatives Partner with business stakeholders and technical teams to translate requirements into cost-effective and scalable solutions Implement best practices for performance optimization, security, data quality, compliance, and governance Support integration of enterprise platforms including Salesforce, Microsoft Power BI, Snowflake, Microsoft Fabric, and other business applications Contribute … platform standards through automation, continuous integration and continuous delivery practices, and DevOps initiatives Monitor, troubleshoot, and enhance solution performance to ensure reliability, scalability, and operational excellence About the Team Our Data and Analytics team is responsible for delivering trusted, scalable, and innovative data solutions that enable informed decision-making ...

Lead Java Developer

Location
Greater London, England, United Kingdom
adoption and build‐out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets. Deliver significant performance improvements through optimized risk calculation strategies. Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency. … Container technologies such as Docker, Kubernetes, OpenShift, etc. Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc. Sound knowledge ...

Data Engineer (Snowflake & Kafka)

Hiring Organisation
Lorien
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£0 per annum
experience with AWS services , particularly S3 for storage and Lambda for serverless processing. Solid understanding of data modelling , ETL/ELT processes, and performance optimization. Programming & Engineering Skills Proficiency in Python for data engineering tasks and automation. Ability to design and implement scalable, maintainable data pipelines . Experience with … cloud-native environments and following security/compliance standards. Nice-to-Have Exposure to streaming data architectures and event-driven systems. Knowledge of Snowflake performance tuning and cost optimization. If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your CV without ...

Lead Java Developer

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
adoption and build‐out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets. Deliver significant performance improvements through optimized risk calculation strategies. Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency. … Container technologies such as Docker, Kubernetes, OpenShift, etc. Strong expertise in messaging technologies such as Kafka, JMS, gRPC etcProficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuningExperience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc. Sound knowledge for persistence technologies ...

Lead Java Developer

Location
Greater London, England, United Kingdom
adoption and build‐out of RT/OD capabilities on strategic risk platform, including integration of new analytics, workflows, and risk datasets.* Deliver significant performance improvements through optimized risk calculation strategies.* Guide the migration of compute workloads to AWS, implementing best practices for scalability, throughput, resiliency, and cost efficiency. … Container technologies such as Docker, Kubernetes, OpenShift, etc.* Strong expertise in messaging technologies such as Kafka, JMS, gRPC etc* Proficient in latency measurement and performance optimization of Java based platforms with focus on JVM tuning* Experience with observability stacks like ELK, Prometheus, Grafana, Kiali, Jaeger etc.* Sound knowledge ...

frontend developer for Physical AI

Location
Greater London, England, United Kingdom
evolve the Physical AI platform’s data-heavy, workflow-centric web experience Own frontend development end to end, including component architecture, design system evolution, performance optimization, and production operations Collaborate with Design, Product, and Backend Engineering to design intuitive UIs for complex workflows Shape Python-backed API contracts Integrate … have: B2B SaaS UIs for technical audiences, ML/AI workflows, experiment tracking, agentic interfaces, GraphQL, typed API clients in React, SSR/SSG performance-focused frameworks Условия: Discretionary bonus Equity awards Family-level medical insurance Family-level dental insurance Generous pension contribution Life assurance at 4x salary Critical ...

Applied AI Engineer - Agentic Systems - Senior Associate

Location
Greater London, England, United Kingdom
deliver measurable business impact. Analyze data to inform agent capabilities, optimize retrieval, and drive data‐driven decision‐making; conduct A/B tests and performance evaluations. Mentor and guide team members on agent frameworks, LLM usage, safety, and best practices. Required Qualifications, Capabilities, and Skills: Advanced degree in Computer … QLoRA, DoRA; quantization and distillation. Familiarity with prompt optimization frameworks and building prompt pipelines and evaluation suites. Experience with distributed computing, data sharding, and performance optimization. Hands‐on experience with AWS services related to AI deployment and workflow orchestration. Why Join Us? We offer a competitive salary and benefits ...

Senior Frontend Engineer (React.js)

Location
Greater London, England, United Kingdom
scalable, responsive web applications using React.js. Translate design mockups and wireframes into high-quality, interactive user interfaces. Implement best practices for frontend architecture, including performance optimization, state management, and reusable component design. Design and implement comprehensive end-to-end automated tests to ensure backward compatibility and seamless integration with … implement automated testing strategies to maintain high-quality code and seamless end-to-end integration. Troubleshoot and resolve UI/UX issues, optimizing the performance and reliability of the applications. Document code, development processes, and architectural decisions. What you'll bring to the role: Education: Bachelor's degree ...

Applied AI Engineer - Agentic Systems - Senior Associate

Location
Greater London, England, United Kingdom
deliver measurable business impact. Analyze data to inform agent capabilities, optimize retrieval, and drive data-driven decision-making; conduct A/B tests and performance evaluations. Mentor and guide team members on agent frameworks, LLM usage, safety, and best practices. Required Qualifications, Capabilities, and Skills Advanced degree in Computer … QLoRA, DoRA; quantization and distillation. Familiarity with prompt optimization frameworks and building prompt pipelines and evaluation suites. Experience with distributed computing, data sharding, and performance optimization. Hands‐on experience with AWS services related to AI deployment and workflow orchestration. Why Join Us? We offer a competitive salary and benefits ...