326 to 350 of 492 Performance Optimisation Jobs in London

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 ...

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

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 ...

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 ...

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 ...

Applied AI Engineer - Agentic Systems - Senior Associate

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
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 Back End Engineer

Location
Greater London, England, United Kingdom
improving our existing architecture What We’re Looking For 10+ years of professional software engineering experience Deep expertise in Go, with mastery of concurrency, performance optimization, and advanced patterns Proven track record of designing and owning large-scale systems Strong experience with distributed systems, event-driven architectures, or similar … engineers, visibly raising technical standards Contributed to architectural decisions Been recognized as a technical authority in your domain Made measurable improvements to system reliability, performance, or scalability Influenced the technical direction of our backend platform Here’s our promise to you: We are going to work with ...

Senior Data Architect

Hiring Organisation
Stantec
Location
London, UK
Employment Type
Full-time
Oracle Cloud applications, using tools like Oracle Integration Cloud (OIC) or Oracle SOA Suite to ensure seamless end-to-end business processes. System Performance & Maintenance: Oversee the performance optimization, scalability and reliability of the PM2PA data flows. This may involve tuning Oracle databases or other key data sources … optimizing application performance and planning capacity for growth. Ensure that data storage, indexing, and retrieval mechanisms are efficient and that disaster recovery and high-availability solutions are in place. Security and Compliance: Ensure robust data security measures and compliance protocols are implemented across PM2PA, Oracle EBS and integrated cloud ...

Data Engineer (d/f/m)

Location
Greater London, England, United Kingdom
Modeling: Create and manage data models, ensuring data integrity, consistency, and accuracy. Collaborate with stakeholders to understand data requirements and design appropriate data structures. Performance Optimization: Identify and implement performance improvements for data processing and storage, working to optimize query performance and reduce latency. Data Security ...

Salesforce Software Development Engineer

Hiring Organisation
8x8
Location
London, UK
Employment Type
Full-time
Vlocity DataRaptors. Ensure seamless data flow across integrated systems, maintaining data accuracy and performance. Collaborate with IT teams to troubleshoot and resolve integration challenges. Performance Optimization: Optimize Salesforce Core and Vlocity solutions for performance, scalability, and maintainability. Conduct code reviews, performance testing, and debugging to ensure high … both Vlocity and Salesforce Core implementations. Provide technical guidance and mentorship to peer developers as needed. Testing and Deployment: Conduct unit, integration, and performance testing for all developed solutions. Support deployments across multiple environments using CI/CD pipelines and version control systems. Troubleshoot and resolve post-deployment issues ...

Senior Machine Learning Engineer (Python / C++)

Location
Greater London, England, United Kingdom
stack is Python-based (utilising libraries like NumPy, SciPy, PyTorch, Polars, Ray, Plotly, and Dash), but an increasing amount of our most performance-critical systems are written in modern C++ (C++23). We are actively looking to expand our team's C++ expertise to drive these low-latency components … looking for engineers who are comfortable designing robust data engineering workflows, building reliable tooling, and writing clean, maintainable Python code alongside high-performance C++ components. You should be proficient in modern Python ML libraries while bringing solid C++ expertise to optimize our performance-critical architecture. Knowledge of common ...

Machine Learning Engineer - Conversational AI & MLOps

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
Designing and deploying production-grade, low-latency Automatic Speech Recognition (ASR), Text-to-Speech (TTS), LLM and Small Language Model (SLM) pipelines. Building high-performance asynchronous REST and WebSocket APIs using FastAPI to support real-time conversational AI applications. Deploying machine learning workloads across AWS, Azure … deployment across development, staging and production. Optimising GPU utilisation across both single-GPU and distributed multi-GPU environments . Improving Python and model inference performance using technologies including NumPy, Numba, Triton and CUDA-based libraries . Conducting load and stress testing to ensure AI services remain performant and stable ...

Senior .Net Developer

Hiring Organisation
Ascend Consulting
Location
NW7, Mill Hill, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £85000/annum
Server and SAP Business One backend tables Database Management : Write optimized SQL queries, stored procedures, and indexing strategies to efficiently handle large datasets Performance Optimization : Monitor and enhance API performance, database query execution, and application scalability Documentation : Maintain clear and detailed documentation for APIs, database structures … Code Quality : Conduct code reviews, debugging, and error handling to maintain system reliability Best Practices : Stay up to date with API design standards, database performance tuning, and cloud integration trends What You’ll Need 5+ years of backend development experience Strong .NET and C# skills for API development ...

Product Manager (CX Commerce)

Hiring Organisation
VML
Location
London, UK
Employment Type
Full-time
will act as the "glue" connecting WPP's agency teams, client's in-house specialists, and key third-party partners to drive measurable performance optimisation. What you'll be doingEnd-to-End Product Lifecycle & Delivery: Discovery to Go-to-Market: Lead digital initiatives end-to-end—from initial discovery … squads to define problems, user outcomes, and design standards, ensuring all decisions align with both product vision and Client's strict brand guidelines. Data Performance, CRO & SEO:Evidence-Based Decisions: Commission market research, competitor analysis, and customer interviews to discover unmet user needs. Continuous Optimisation: Proactively monitor product ...

Full Stack Technical Lead

Location
Greater London, England, United Kingdom
engineering standards. Establish best practices for: Clean code and maintainability; Testing strategy (unit, integration, E2E); CI/CD pipelines; Observability and monitoring; Security and performance optimisation. Ensure scalability, reliability, and long‐term technical sustainability of a high‐throughput, event‐driven platform. Reduce technical debt through structured improvement initiatives. Line … . Experience with CI/CD pipelines; Containerisation (Docker, Kubernetes preferred); Version control systems (Git). Strong knowledge of design patterns; Secure coding practices; Performance optimisation. Experience leading or mentoring engineers. Strong people management skills. Comfortable giving constructive feedback and conducting performance reviews. Strong communicator across technical ...

AI Engineer (Fluent Portuguese & English)

Hiring Organisation
Chubb
Location
London, UK
Employment Type
Full-time
This role is focused on the end-to-end lifecycle of production-grade AI, from training and fine-tuning specialized models to architecting high-performance inference pipelines. The ideal candidate views AI as a rigorous engineering discipline. Beyond building models, you will be responsible for writing high-quality, maintainable … Training & Fine-Tuning: Lead the adaptation of Large Language Models (LLMs) for domain-specific tasks using techniques like LoRA, QLoRA, and PEFT to balance performance with resource efficiency. Inference Optimization: Architect and optimize inference pipelines to minimize TTFT (Time to First Token) and maximize throughput. This includes implementing quantization ...

AI Engineer (Fluent in Mandarin & English)

Location
Greater London, England, United Kingdom
This role is focused on the end-to-end lifecycle of production-grade AI, from training and fine-tuning specialized models to architecting high-performance inference pipelines. The ideal candidate views AI as a rigorous engineering discipline. Beyond building models, you will be responsible for writing high-quality, maintainable … Training & Fine-Tuning: Lead the adaptation of Large Language Models (LLMs) for domain-specific tasks using techniques like LoRA, QLoRA, and PEFT to balance performance with resource efficiency. Inference Optimization: Architect and optimize inference pipelines to minimize TTFT (Time to First Token) and maximize throughput. This includes implementing quantization ...

Staff Frontend Engineer

Location
Greater London, England, United Kingdom
teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV … Senior Frontend Engineers ready to step into staff-level impact), you will own the frontend end-to-end-including component architecture, design system evolution, performance optimization, and production operations. In this role, you will collaborate closely with Design, Product, and Backend Engineering to design intuitive UIs for complex workflows ...

Staff Frontend Engineer

Location
Greater London, England, United Kingdom
Senior Frontend Engineers ready to step into staff‐level impact), you will own the frontend end‐to‐end‐including component architecture, design system evolution, performance optimization, and production operations. In this role, you will collaborate closely with Design, Product, and Backend Engineering to design intuitive UIs for complex workflows …/AI workflows, experiment tracking, and agentic interfaces. Hands‐on experience with GraphQL, typed API clients in React, or SSR/SSG performance‐focused frameworks. Wondering if you’re a good fit? We believe in investing in our people, and value candidates who can bring their own diversified experiences ...

Senior Java Web Engineer

Location
Greater London, England, United Kingdom
Java Developer to join a dynamic engineering team focused on building and enhancing enterprise-scale applications. The team is responsible for developing innovative, high-performance technology solutions that support complex business processes and deliver exceptional user experiences. This role involves the maintenance and enhancement of existing backend … discussions and collaborate with senior engineers and architects. Work closely with frontend developers to integrate backend services with UI components. Support troubleshooting, debugging, and performance optimization of applications. Break down user stories into technical tasks and deliver within agreed timelines. Collaborate effectively in Agile teams with product owners ...

Lead Software Engineer - Frontend Engineering - React Native

Location
Greater London, England, United Kingdom
software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security. Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence … fully usingTypeScript End to end testing applications withDetox/Appium/WebdriverIO/Playwright Extensive experience in modern web development, including responsive design and performance optimization Hands-on experience with design systems, component libraries, and implementing consistent UI/UX across large-scale applications #ICBCareers #ICBEngineering #J-18808-Ljbffr ...