51 to 75 of 117 Performance Optimisation Jobs in England

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Contract
APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway ...

Python AI Engineer

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
Skills/Experience: Strong commercial experience developing production-grade Python applications and services. Advanced Python skills, including asynchronous programming, type annotations, modular design and performance optimisation. Hands-on experience with Pydantic, LangGraph, MS Agent Framework/Semantic Kernel or similar AI orchestration frameworks. Demonstrable experience delivering Generative ...

Senior AI Engineer

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
workflows. Architect cloud-native backend systems and distributed AI services. Collaborate closely with Data Scientists to productionise Machine Learning and NLP models. Develop high-performance RESTful APIs and microservices for AI model serving. Drive system reliability, monitoring, observability and performance optimisation. Champion engineering best practices including CI/ ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

High Performance Computing Architect (Linux)

Hiring Organisation
Eclectic Recruitment
Location
Stevenage, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £80000/annum
fantastic opportunity has arisen for an HPC Architect to join a department to assist with the design, development, and evolution of high-performance computing infrastructure within a complex engineering environment. This role performs the duties of HPC architecture, infrastructure strategy, and system oversight, and reports to the senior leadership … term HPC architecture roadmap aligned with organisational objectives Architect large-scale HPC environments including CPU, GPU, and accelerator-based systems Design and optimise high-performance networking solutions (InfiniBand, RDMA, high-speed Ethernet) Develop scalable storage architectures including parallel file systems, object storage, and tiered storage Provide technical leadership ...

High Performance Computing Architect (Linux)

Location
London, United Kingdom
fantastic opportunity has arisen for an HPC Architect to join a department to assist with the design, development, and evolution of high-performance computing infrastructure within a complex engineering environment. This role performs the duties of HPC architecture, infrastructure strategy, and system oversight, and reports to the senior leadership … term HPC architecture roadmap aligned with organisational objectives Architect large-scale HPC environments including CPU, GPU, and accelerator-based systems Design and optimise high-performance networking solutions (InfiniBand, RDMA, high-speed Ethernet) Develop scalable storage architectures including parallel file systems, object storage, and tiered storage Provide technical leadership ...

iOS Developer

Hiring Organisation
Korn Ferry
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 Daily
while collaborating within a modern agile environment. Key Responsibilities Design, develop and enhance native iOS applications using Swift. Build scalable, maintainable solutions focused on performance and user experience. Work closely with product, design, QA and engineering teams to deliver new features. Debug, profile and optimise applications to ensure reliability … MVVM architecture and REST API integrations. Familiarity with build and CI/CD tooling. Experience with automated testing frameworks. Strong debugging, problem-solving and performance optimisation skills. Ability to work effectively within distributed agile teams. Excellent communication and stakeholder engagement skills. ...

Software Engineer

Hiring Organisation
Bright Purple
Location
Remote UK, Bath, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £475/day
turn user needs into well-crafted interfaces Building reusable, consistent components and contributing to sound frontend architecture Making sensible trade-offs across usability, security, performance and delivery Taking part in code reviews, improving test automation and CI/CD, and sharing knowledge across the team What you’ll bring … choices to technical and non-technical people Nice to have Design system experience Jest, Jasmine, Cypress, Playwright or similar NgRx or Angular signals Web performance optimisation and tools such as Sentry Docker, AWS and modern deployment pipelines Experience in agile, product-led or data-rich B2B environments ...

Senior AI Deployment Engineer

Location
London, United Kingdom
pain you define the problem, not just the solution. Engineer AI solutions properly. Pipelines, LLM API integration, evals, guardrails, monitoring, and cost and accuracy optimisation for the systems you build. Know when a step must be deterministic and when an LLM is the right tool. Graduate tools into business … testing prompts and workflows. Safety and guardrails in practice: PII handling, data-boundary discipline, prompt-injection awareness, human-in-the-loop design. Cost and performance optimisation: model selection, caching, batching, token economics, latency budgets. Deployment and operations: CI/CD, containerisation, monitoring and alerting for AI workloads. Data ...

Senior AI Deployment Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
pain; you define the problem, not just the solution. Engineer AI solutions properly. Pipelines, LLM API integration, evals, guardrails, monitoring, and cost and accuracy optimisation for the systems you build. Know when a step must be deterministic and when an LLM is the right tool. Graduate tools into business … testing prompts and workflows. Safety and guardrails in practice: PII handling, data-boundary discipline, prompt-injection awareness, human-in-the-loop design. Cost and performance optimisation: model selection, caching, batching, token economics, latency budgets. Deployment and operations: CI/CD, containerisation, monitoring and alerting for AI workloads. Data ...

Site Reliability Engineer

Hiring Organisation
Morgan McKinley
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
internals, Active Directory forests, Group Policies, Kerberos authentication, and core domain services. Site Reliability Engineering (SRE): Implement proactive observability, monitoring, automated recovery workflows, and performance optimization to enforce continuous service availability and operational resilience. Architecture & Modernization: Partner with engineering, cloud, and security teams to eliminate configuration drift, reduce technical ...

Front End Developer

Hiring Organisation
scrumconnect ltd
Location
Taunton, Somerset, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 65,000 Annual
adoption help. This is a Front End specialist role. We want someone who has built or maintained component libraries and cares about accessibility, performance and developer experience. Location: UK-based, with some travel to Taunton Contract type: Permanent, Full-Time Salary: £60,000 - £65,000 per annum, plus benefits … skinning components, including design tokens and CSS architecture Responsive design across desktop, tablet and mobile Semantic versioning, with breaking-change and migration guidance Performance optimisation for low-bandwidth users, including asset and icon-set optimisation Experience building documentation sites Why Join Scrumconnect Consulting? At Scrumconnect ...

Senior Full Stack Engineer

Hiring Organisation
Dignity Funerals Limited
Location
Maidenhead, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
sometimes ambiguous problems. Helping to define and influence the technical vision for our systems and services. Balancing delivery priorities with long-term maintainability, performance and scalability. Leading technical improvements, including migrations, automation and the introduction of new tooling. Responding effectively to critical incidents and business-critical technical challenges. Using … discovery, experimentation and proof-of-concepts to shape technical direction. Improving engineering efficiency through best practice, standardisation and automation. Leading standards across observability, performance, testing and system quality. Communicating risks, options and technical trade-offs clearly to both technical and non-technical stakeholders. Mentoring junior and mid-level engineers ...

Data Architect - FTC

Location
London, United Kingdom
Experience with master data, operational data stores, analytical platforms and distributed data systems Knowledge of relational and non-relational database technologies, including schema design, performance optimisation and scalability Experience supporting operational, analytical or historical reporting workloads Understanding of cloud-native data technologies, data orchestration and ETL processes Awareness ...

Data Architect - FTC

Hiring Organisation
FBI &TMT
Location
Kent, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
Experience with master data, operational data stores, analytical platforms and distributed data systems Knowledge of relational and non-relational database technologies, including schema design, performance optimisation and scalability Experience supporting operational, analytical or historical reporting workloads Understanding of cloud-native data technologies, data orchestration and ETL processes Awareness ...

Solution Architect

Hiring Organisation
ECS Resource Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £800/day Inside IR35
teams. Skills & Experience Required Architecture Experience Experience in a Solution Architect role delivering projects and technical solutions Experience with enterprise strategies covering capacity planning, performance optimisation, data lifecycle management, tiering and storage governance. Experience operating within mature architecture governance functions. Experience working within global and highly regulated organisations. ...

Avaloq Developer

Hiring Organisation
Vbeyond
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
environments. - Experience across areas such as Payments, Deposits, Lending, Securities, or Wealth Management. - Experience working in Agile delivery environments. - Exposure to production support and performance optimization. - Experience working with large-scale banking transformation/implementation programs. Important Candidates should have strong hands-on Avaloq development experience. ...

Android Engineer

Hiring Organisation
Korn Ferry
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 Daily
APIs. Familiarity with asynchronous programming approaches including Coroutines or RxJava. Experience with CI/CD pipelines and source control systems. Strong testing, debugging and performance optimisation capabilities. Excellent communication skills and experience working in agile teams. ...

Senior Database Engineer

Hiring Organisation
Exalto Consulting ltd
Location
Bradford, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£65,000
development, DBA or enterprise data warehouse environment. Strong SQL/T-SQL skills. Experience supporting database upgrades and production database environments. Strong troubleshooting and performance optimisation skills. Ability to work independently and take ownership of complex technical problems. Desirable Experience Experience with other large-scale enterprise ...

DSP Engineer

Hiring Organisation
Redline Group Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£70,000
Manchester, you will: Develop and optimise digital signal processing algorithms for professional audio applications Implement and test real-time audio processing solutions, focusing on performance and sound quality Work across software, firmware and hardware teams to integrate DSP into complex audio products Contribute to product development, system-level integration … testing and performance optimisation Investigate new algorithms, tools and technologies to enhance audio performance and functionality The ideal DSP Engineer will have: Experience in digital signal processing, DSP software development or a related engineering discipline Knowledge of real-time processing, digital audio or signal processing algorithms Experience ...

Senior Embedded Software Engineer

Hiring Organisation
Platform Recruitment
Location
Whittlesford, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
Linux platforms using Yocto. Working at kernel, driver and system level on Arm-based embedded platforms. Supporting board bring-up, hardware integration, debugging and performance optimisation. Developing software for RTOS and bare-metal embedded systems. Collaborating with FPGA, electronics and multidisciplinary engineering teams across a variety of projects. Requirements ...

Optical Systems Engineer

Hiring Organisation
Redline Group Ltd
Location
Torquay, Devon, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 75,000 Annual
development. Photonics, laser systems, imaging systems, or optoelectronic technologies. Translating customer requirements into technical specifications and system architectures. Optical modelling, simulation, tolerance analysis, and performance optimisation. Requirements capture, verification, validation, and systems engineering activities. Supporting product development throughout the full engineering lifecycle. Integrating and testing complex optical systems. Working ...

LEAD DATA SCIENTIST

Hiring Organisation
EUROPEAN SOFTWARE SOLUTIONS (UK) LIMITED
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 per day
architecture, data engineering, and product teams to convert operational problems into reusable graph-powered capabilities. Own technical design reviews, coding standards, model validation, observability, performance tuning, security controls, documentation, and production-readiness gates. Mentor data scientists and engineers while remaining accountable for prototypes, reference implementations, critical code, troubleshooting … Programming and engineering: Advanced Python and SQL; APIs; test automation; data structures; distributed processing; Git; CI/CD; containers; infrastructure awareness; production debugging and performance optimization. Data engineering: Spark or Databricks, Kafka or equivalent streaming, ETL/ELT, batch and real-time pipelines, data contracts, lineage, cataloguing, quality rules ...

Senior Network Engineer (Fortinet ClearPass Infoblox)

Hiring Organisation
Hays
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £480.0 per day + £480 Per Day Inside IR35
experienced engineer who enjoys diagnosing complex issues, owning technical decisions and working across a broad enterprise networking estate where reliability, security and performance genuinely matter.You'll join an established team of infrastructure specialists, gain exposure to a wide range of technologies and play a key role in supporting … technology stack. Key areas of responsibility include: Enterprise firewall administration and security policy management Wireless networking and access control platforms Routing, switching and network performance optimisation DNS, DHCP and IP Address Management Network monitoring, troubleshooting and incident resolution Service improvements, upgrades and project delivery Supporting network security ...

Senior Software Engineer

Hiring Organisation
Pure Resourcing Solutions Limited
Location
Cambridge, Cambridgeshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
Engineer Cambridge | Hybrid | Competitive Salary We're working with an innovative technology company seeking a Senior Python Software Engineer to build and optimise high-performance data processing systems in a production-focused environment. This role is centred on software engineering rather than modelling , with a strong emphasis on clean … handling large datasets on local server infrastructure. Design and implement robust multithreaded and multiprocessing solutions. Write clean, maintainable code within a TDD environment. Optimise performance across CPU, memory, and I/O intensive workloads. Essential Experience Strong commercial Python development experience. Expert knowledge of multithreading, multiprocessing, and concurrency . ...