626 to 650 of 886 Performance Optimisation Jobs in the UK

SQL developer

Hiring Organisation
Candour Solutions Limited
Location
Stoke-On-Trent, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£55,000
looking for an experienced Senior SQL Developer to take ownership of a Microsoft SQL Server environment, leading the design, development and optimisation of business-critical database solutions. This role offers the opportunity to provide technical leadership, influence database strategy, mentor other developers and deliver scalable, high-performance solutions … Server environment, driving best practices and providing guidance across the team. Maintain and optimise business-critical databases to ensure high levels of performance, security and availability. Develop and enhance complex stored procedures, functions, views, triggers and database integrations. Monitor database health and identify opportunities to improve performance, scalability ...

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
Mill Hill, Dumfriesshire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 85,000 Annual
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 ...

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 ...

Frontend Lead

Location
England, United Kingdom
exceptional Frontend Lead -Vue.js, Spring Thymeleaf who is highly hands-on and deeply experienced in React.js, Micro Frontend (MFE) architecture, Vue.js, Spring Thymeleaf and performance engineering . The ideal candidate will lead the development of a scalable frontend framework that supports both Server-Side Rendering (SSR) and Client-Side … Rendering (CSR) while optimizing site performance and user experience. This role involves architecting and developing a state-of-the-art frontend system that integrates seamlessly with our Backend-for-Frontend (BFF) layer, powered by Spring Boot microservices , and deployed on Google Cloud Platform (GCP) . Key Responsibilities: Design ...

Senior BI Developer/ Senior Data Analyst

Location
Wolverhampton, England, United Kingdom
models, datasets, and dashboards. Build and optimise SQL-based data models that underpin reporting, forecasting, and analytics use cases. Contribute to the development and optimisation of the organisation’s Microsoft Fabric platform, including Lakehouse/Warehouse design and data pipelines. Design and manage ETL/ELT pipelines, using Power … self-service BI, reducing manual reporting through Power BI, Power Apps, and workflow automation. Ensure high standards of data quality, governance, documentation, and performance optimisation. Lead BI storytelling for senior stakeholders, translating complex data into clear, actionable insight. Mentor junior BI developers/analysts and contribute ...

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 ...

Senior Appian Development Consultant

Location
City of Edinburgh, Scotland, United Kingdom
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 … Agile delivery ceremonies, supporting backlog refinement, estimation, sprint demonstrations and continuous improvement initiatives. Maintain delivery quality through technical reviews, unit testing, deployment management and performance optimisation. Remain curious and committed to continuous learning; embrace new Appian capabilities and identify opportunities to improve delivery through automation, reusable components and emerging ...

Data analyst

Hiring Organisation
Kingdom People
Location
Newton-Le-Willows, Merseyside, North West, United Kingdom
Employment Type
Permanent
core systems, ensuring reporting is accurate and reliable. Own data quality, contribute to improvements in governance, and support refresh cycles, validation checks, and performance optimisation. AI, Automation & Continuous Improvement: Support AI-driven insights and automation in analytics and reporting. Reduce manual reporting and repetitive tasks, and work with teams … audiences and support teams in using dashboards effectively. Compliance & Best Practice: Support statutory and regulatory compliance, adhere to Kingdoms processes, and promote the use, optimisation, and centralisation of Kingdom systems and data platforms. Essential Experience: Proven experience as a Data Analyst or BI Analyst with complex datasets Strong Power ...

Full-Stack Data Engineer

Location
Manchester, England, United Kingdom
role Design and develop resilient on-prem and multi-cloud database solutions with Java, Spring Boot, Angular, and Python Develop high-performance solutions that efficiently handle large-scale data and metadata operations leveraging Python’s threading and multiprocessing libraries and ensure robust error handling and resource management in parallel … execution environments. Deliver secure, high-performance and efficient database and ETL capabilities using Java Collections Framework, data structures, algorithms, and object-oriented design principles, while ensuring scalability, governance, and reliability. Design and develop full-stack applications, including responsive web user interfaces, RESTful APIs, backend services, and integrations with database ...

Full-Stack Data Engineer

Location
Glasgow, Scotland, United Kingdom
role Design and develop resilient on-prem and multi-cloud database solutions with Java, Spring Boot, Angular, and Python Develop high-performance solutions that efficiently handle large-scale data and metadata operations leveraging Python’s threading and multiprocessing libraries and ensure robust error handling and resource management in parallel … execution environments. Deliver secure, high-performance and efficient database and ETL capabilities using Java Collections Framework, data structures, algorithms, and object-oriented design principles, while ensuring scalability, governance, and reliability. Design and develop full-stack applications, including responsive web user interfaces, RESTful APIs, backend services, and integrations with database ...

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 ...

Senior Appian Development Consultant

Location
City of Edinburgh, Scotland, United Kingdom
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 remain curious and committed to continuous learning; embracing new Appian capabilities and identifying opportunities to improve delivery … SOAP‐based integration patterns, exercising sound judgement on when to use built‐in objects, expressions, rules and plug‐ins versus custom development. Experience identifying performance bottlenecks, applying caching strategies, and using the Appian Health Check report and process monitoring tab to maintain production stability within an application. Experience implementing ...

Software Engineer III - React

Location
Greater London, England, United Kingdom
work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine AI-generated outputs for correctness, performance, and security. Understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency …/WebdriverIO 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 #J-18808-Ljbffr ...

Senior Software Engineer

Location
Liverpool, England, United Kingdom
closely with Product Managers and other stakeholders to understand problems and deliver high-impact solutions. Ensure adherence to best practices in scalability, security, and performance optimisation. Support and troubleshoot production systems as needed, collaborating with the Cloud Operations team where required. Apply AI tools to accelerate design, testing … similar, as well as containers such as Docker. A clean-coding and test-driven mindset, with strong knowledge of unit and integration testing, performance and security considerations. Experience with Git, continuous integration and deployment, and an interest in serverless approaches and technologies such as Elasticsearch. A degree-level education ...

Fullstack Java Developer

Location
Greater London, England, United Kingdom
Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements. With more than … Microservices, AWS, and Cloud technologies . You will have the opportunity to work on large-scale digital transformation initiatives, application modernization, cloud migration, performance optimization, and automation programs that deliver measurable business value and customer outcomes. Better Technology: Team is no longer limited to traditional application support. It leverages ...

Fullstack Java Developer

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
Atos Group brand dedicated to AI-powered, secure, end-to-end digital services. Atos designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements. With more than … Microservices, AWS, and Cloud technologies . You will have the opportunity to work on large-scale digital transformation initiatives, application modernization, cloud migration, performance optimization, and automation programs that deliver measurable business value and customer outcomes. Better Technology: Team is no longer limited to traditional application support. It leverages ...

Naimuri - Software Engineer

Location
Salford, England, United Kingdom
methodologies. Experience of full stack development. Proficiency with version control systems (e.g., Git). Awareness of software development best practices, including testing, debugging, and performance optimization. Excellent problem-solving skills and attention to detail. Strong communication and collaboration skills, with the ability to work effectively in a team environment. … working week is 37.5 hours and you have flexibility over when you give that time. Benefits include: Flexible/Hybrid working options A company performance related bonus Pension matched 1.5x up to 10.5% AXA group 1 medical cover Personal training budget Recruitment Process: We want to ensure that ...

Business Intelligence Analyst

Location
Basingstoke, England, United Kingdom
evolution of the Bank's modern data platform. Support emerging AI-enabled analytics and natural language reporting capabilities. Identify opportunities to improve reporting usability, performance and stakeholder experience. Become a trusted source of expertise on data, reporting solutions and business processes. What you'll bring: We're looking … solutions using Power BI. Strong SQL querying, data analysis and data validation skills. Strong understanding of DAX, including measures, calculated columns, time intelligence and performance optimisation. Proven ability to gather requirements, engage stakeholders and translate business needs into effective reporting and analytical solutions. Experience supporting data testing, validation ...