101 to 125 of 210 Performance Optimisation Jobs in England

Business Intelligence Analyst

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £348 per day
organisation has a consistent, trusted reporting ecosystem. What you'll need to succeed Technical Skills: Strong experience in Power BI: data modelling, DAX, performance optimisation, and dashboard design. Hands-on experience with Google Cloud Platform (GCP), ideally BigQuery. Proficiency in SQL for data transformation and optimisation. Experience with ...

Software Engineer

Hiring Organisation
Block MB
Location
City of London, London, United Kingdom
Strong proficiency across Python/TypeScript/Golang (or equivalent polyglot stacks) with proven ownership of production-grade systems. Expertise in real-time systems, performance optimisation, fault tolerance and scalable architectures under uncertainty. Experience with financial protocols, market data feeds, order matching or compute infrastructure is a strong ...

Data Analyst

Hiring Organisation
RELX
Location
City of London, London, United Kingdom
Gold layer curation. Expertise in Power BI, including: Intermediate DAX Star schema modelling and semantic model design Report UX/UI best practices Performance optimisation Hands-on experience with Microsoft Fabric features such as Lakehouse, Data Warehouse, dataflows, and semantic models. SQL skills for data exploration, transformation ...

Senior Software Developer

Hiring Organisation
Bluefruit Software Limited
Location
Redruth, Cornwall, South West, United Kingdom
Employment Type
Permanent
Salary
£55,000
more senior roles, you will need to have specific technical expertise. For example, your expertise may be embedded microcontrollers, AI, low level code, performance optimisation, UI, graphics, comms protocols or multithreaded code. Plus, you would be expected to have the ability to coach more junior team members ...

BI and Data Lead - Outside IR35

Hiring Organisation
Vermillion Analytics
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£370 per day
SSAS Cubes, Snowflake, Azure Data Factory, and HVR Collaborate with emerging Data & AI teams to shape future capabilities Maintain platform health, data quality, and performance optimization What You'll Need 8-12 years in Data/BI/Analytics roles 3+ years in a technical leadership position Strong hands ...

Data & BI Lead - Outside IR35

Hiring Organisation
Vermillion Analytics
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£370/day
SSAS Cubes, Snowflake, Azure Data Factory, and HVR Collaborate with emerging Data & AI teams to shape future capabilities Maintain platform health, data quality, and performance optimization What You'll Need 8-12 years in Data/BI/Analytics roles 3+ years in a technical leadership position Strong hands ...

Software Engineer - Aerospace - Oxfordshire

Hiring Organisation
Bond Williams Limited
Location
Kidlington, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
company is building a unified software platform that consolidates commercial and internal engineering tools. This platform will accelerate their design exploration, enabling faster performance optimization and rapid scaling for new applications. They are seeking a motivated Software Engineer to develop this platform. Working alongside Aerothermal Designers and Mechanical Engineers ...

C# Python Developer

Hiring Organisation
Morson Edge
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£25 - 30 per hour + None
Python programming - Experience in algorithm development for civil engineering execution studies - Knowledge of object-oriented programming, C# Open API, and VBA - Skills in performance optimization and large-scale data processing - Familiarity with 3D modelling libraries and tools (Tekla Structures) - Experience with GitLab version control platform - Solid understanding ...

Data Domain Governance Lead

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
expertise, including: Designing conceptual, logical, and physical models for complex financial domains. Applying semantic modelling for BI and analytics. Knowledge of normalization, denormalization, and performance optimization. Hands-on experience with modelling tools such as ERwin, PowerDesigner, or equivalent. Strong background in enterprise data architecture. Hands-on experience with metadata ...

Data Domain Governance Lead

Hiring Organisation
Ascendion
Location
BR1, Bromley Town, Greater London, United Kingdom
Employment Type
Permanent, Contract
expertise, including: Designing conceptual, logical, and physical models for complex financial domains. Applying semantic modelling for BI and analytics. Knowledge of normalization, denormalization, and performance optimization. Hands-on experience with modelling tools such as ERwin, PowerDesigner, or equivalent. Strong background in enterprise data architecture. Hands-on experience with metadata ...

Power Platform Engineer

Hiring Organisation
DigX
Location
Stafford, England, United Kingdom
rules, data mapping CI/CD pipeline experience (Azure DevOps or GitHub) Understanding of authentication patterns (OAuth2, Azure AD, Managed Identities) Strong troubleshooting and performance optimization skills D365 CE exposure and integration experience Desirable: API Management, Event Grid, Service Bus, or event-driven patterns Application Insights telemetry and monitoring ...

Systems Administrator

Hiring Organisation
Dale Power Solutions
Location
Scarborough, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
critical IT systems Support and administer Microsoft 365 environments including Active Directory, Exchange Online, and SharePoint Oversee backups, disaster recovery procedures, storage management, and performance optimization Provide escalation-level support for endpoint devices, manufacturing equipment interfaces, and industrial control systems (as applicable) SharePoint Administration: Configure, administer, and maintain SharePoint ...

Quantitative Developer

Hiring Organisation
Durlston Partners
Location
London Area, United Kingdom
stands out Direct exposure to live trading strategies and PnL Flat, transparent structure with high visibility across the firm Strong emphasis on clean engineering, performance, and innovation Real scope to influence tooling, frameworks, and technical direction What you’ll be doing Implementing and optimising trading signals and systematic strategies … firm’s quantitative trading framework Writing clean, scalable code and leveraging modern tools and technologies Experimenting with new ideas and approaches to improve performance and efficiency What they’re looking for Strong Python engineering skills, including performance optimisation Solid understanding of data structures and algorithms Experience working ...

Senior Golang Developer - Kubernetes - Financial Services

Hiring Organisation
Rothstein Recruitment Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 110,000 - 140,000 Annual
eager to apply your technical expertise to the financial services industry, this is the role for you. Key Responsibilities: Design, develop, and maintain high-performance Back End services using GoLang to support financial applications and services , including trading platforms, investment systems, and risk management tools. Build and deploy cloud … scaling, and resilience in a cloud environment. Write clean, efficient, and well-documented code while following best practices for financial systems development, focusing on performance and security. Collaborate with other development teams, business analysts, and stakeholders to define and refine requirements, and ensure that applications meet financial regulatory standards ...

Data Scientists x 3

Hiring Organisation
Hays Specialist Recruitment Limited
Location
West Drayton, Middlesex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £1,000 per day
good where you have worked in optimisation. Aviation operational environment would be the pinnacle! We want Data Scientists that have experience building an optimisation model. Are you trying to maximise or minimise cost? What are you trying to do? This is the balance of art and science. You must … have the knowledge to look at what algorithm is correct and work out the constraints of the optimisation project. You will design and implement predictive and prescriptive models for Maintenance, Repair, Overhaul AI Solutions. Performing exploratory data analysis and feature engineering. Collaborate with Data Engineers to ensure data readiness ...

Site Reliability Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
Wigan, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
with three days a week onsite in Greater Manchester * Modern SRE environment with cloud-native tooling (AWS, Kubernetes, Terraform) * High-availability digital platforms and performance-critical workloads ABOUT THE CLIENT We're supporting a well-established UK organisation recognised for operating large-scale, high-availability digital services. With continued … culture with collaboration across product, operations and platform teams THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, performance and scalability of critical digital platforms. You'll monitor production systems, refine SLAs/SLOs and error budgets, design scalable solutions, improve architecture through ...

Senior Energy Systems Engineer

Hiring Organisation
TXM Recruit
Location
Rugby, Warwickshire, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
ownership of grid-connected energy storage systems across the UK & Ireland. This is a hands-on, senior technical role focused on commissioning support, system performance, fault diagnosis, and lifecycle reliability rather than people management. Youll work closely with service, operations, and commercial teams, acting as a trusted technical advisor … safe, compliant, and performing as intended. Key Responsibilities Provide advanced technical support for energy storage and power systems Support commissioning, handover, troubleshooting, and performance optimisation Act as a technical escalation point for complex electrical and system issues Ensure compliance with grid, safety, and regulatory requirements Support service partners ...

Data Scientist

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Python and ML frameworks (TensorFlow, PyTorch). Strong statistical and analytical skills. Experience with a wide range of Data Science techniques (e.g. ML, Optimisation, Simulation, GenAI, etc.). Demonstrated ability to take models from design through to production deployment, including performance optimisation, monitoring, and integration into business ...

Staff Engineer

Hiring Organisation
Corecom Consulting
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£110000 - £130000/annum
What You'll Be Doing Designing and evolving the core backend architecture of a complex, high-throughput platform Solving hard scaling problems across concurrency, performance, and reliability Building systems that process large volumes of unstructured data with strict latency requirements Setting technical direction and raising engineering standards across … have already "been there" technically. Core experience: Extensive backend engineering experience (typically 10+ years) Expert-level Python, with deep understanding of async patterns and performance optimisation Proven experience designing and scaling distributed systems Strong background in API design, data-intensive systems, and service architecture Track record of building ...

Senior Communications System Engineer

Hiring Organisation
Mars Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £110000/annum
validating algorithms using Software Defined Radios (SDRs); collaborating with other systems and software engineers to ensure seamless integration of new designs and optimised performance; documenting designs, simulations, and test results, and contributing to technical reports. Essential experience & skills: Master’s or Ph.D. (or equivalent experience) in Electrical Engineering, Communications … following as applied in communication settings: digital signal processing, error-correcting codes, deep neural networks Proficiency in C++ for fixed-point implementation and performance optimisation Experience with SDR platforms and real-time prototyping If you’re a Senior Communications Engineer with an expertise in wireless communications ...

Senior Backend Developer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
driven architecture , with Kafka at the core Collaborate with product, frontend and platform teams to deliver scalable e-commerce solutions Contribute to system design, performance optimisation and best engineering practices Take ownership of services from development through to production What We’re Looking For Strong commercial experience with ...

AI Engineering Lead

Hiring Organisation
167 Solutions Ltd
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
step reasoning systems Work extensively with open-source and commercial LLM ecosystems , including Hugging Face models and tooling Implement prompt engineering, evaluation frameworks, and performance optimisation strategies Architect secure, scalable GenAI solutions on AWS and GCP Build APIs, services, and pipelines to integrate GenAI into real business workflows ...

AI Product Owner

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £115,000 per annum
teams through complex product development challenges. Collaborate with stakeholders to gather and prioritize requirements based on business impact and feasibility. Oversee continuous testing and performance optimization to maintain high product standards. Monitor emerging technology trends and integrate innovative approaches into product development. Influence strategic decisions, manage risks, and ensure ...

Senior Associate Product Owner

Hiring Organisation
NTT Global Data Centers EMEA UK ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
driven product increments Solid understanding of value-based prioritization and product strategy in a data-driven context Advanced Power BI expertise, including dashboards, DAX, performance optimization, and row-level security Working knowledge of enterprise data products, semantic models, and data governance Understanding of modern data platforms and analytics ecosystems ...

Viva Consultant - £500PD Inside IR35 - Hybrid

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
accuracy, security, and compliance with organisational policies and privacy standards. Document data models, definitions, and analytics logic to support transparency and reuse. Continuously improve performance, reliability, and scalability of analytics solutions. Skills & Experience Strong experience designing and delivering analytics solutions end-to-end, including both strategy and implementation. Hands … expertise with Power BI (data modelling, DAX, visual design, performance optimisation). Experience working with Microsoft 365 data, ideally including Microsoft Graph and Viva Insights. Ability to define KPIs and analytics frameworks in ambiguous or evolving environments. Proven ability to engage stakeholders, influence decisions, and drive alignment. Strong ...