Performance Optimisation Jobs in the UK

201 to 225 of 933 Performance Optimisation Jobs in the UK

IT Business Analyst (LNG) - London Based - Energy Trading

City of London, London, United Kingdom
Aubay UK
IT Business Analyst (LNG) - London Based - Energy Trading Role Summary Aubay is seeking an experienced IT Business Analyst to support a high-profile Vessel Performance Dashboard (VPD) project within a major energy organisation. The successful candidate will play a key role in gathering and translating business requirements into actionable data solutions for the LNG and Products shipping fleets. This … includes engaging with stakeholders, validating data, and ensuring the final dashboard supports performance optimisation and operational insights. This is a dynamic role ideal for a technically confident business analyst with experience working in complex data environments and a solid understanding of vessel operations or industrial logistics. Required Skills and Experience: Proven experience as a Business Analyst in data … between technical and business teams. Excellent documentation skills, including producing user stories, functional specifications, use cases, and process diagrams. Ability to validate and quality-assure dashboard outputs for usability, performance, and accuracy. Comfortable working across Agile and Waterfall project environments. Desired Skills and Experience: Understanding of LNG or product fleet operations, vessel performance metrics, or maritime data analytics. More ❯
Posted:

IT Business Analyst (LNG) - London Based - Energy Trading

London Area, United Kingdom
Aubay UK
IT Business Analyst (LNG) - London Based - Energy Trading Role Summary Aubay is seeking an experienced IT Business Analyst to support a high-profile Vessel Performance Dashboard (VPD) project within a major energy organisation. The successful candidate will play a key role in gathering and translating business requirements into actionable data solutions for the LNG and Products shipping fleets. This … includes engaging with stakeholders, validating data, and ensuring the final dashboard supports performance optimisation and operational insights. This is a dynamic role ideal for a technically confident business analyst with experience working in complex data environments and a solid understanding of vessel operations or industrial logistics. Required Skills and Experience: Proven experience as a Business Analyst in data … between technical and business teams. Excellent documentation skills, including producing user stories, functional specifications, use cases, and process diagrams. Ability to validate and quality-assure dashboard outputs for usability, performance, and accuracy. Comfortable working across Agile and Waterfall project environments. Desired Skills and Experience: Understanding of LNG or product fleet operations, vessel performance metrics, or maritime data analytics. More ❯
Posted:

Web Designer

Gatwick, West Sussex, England, United Kingdom
Hybrid / WFH Options
William Reed
effective designs Design & Front-End Development Designing responsive, high-quality UI layouts aligned with brand guidelines Developing designs using Figma, Adobe Creative Suite, and prototyping tools Optimising designs for performance, accessibility, and cross-browser compatibility Collaborating with developers to ensure smooth design-to-code implementation Converting designs into clean, semantic HTML & CSS (SASS/SCSS preferred) What you’ll … ideally within B2B or digital publishing environments Strong understanding of UX principles, accessibility standards, and responsive design Understanding of cross-browser compatibility and mobile-first design approaches Familiarity with performance optimisation tools (e.g. Lighthouse, PageSpeed Insights) and skilled in design and prototyping tools such as Figma and Adobe Creative Suite A strong background in graphic design, ideally with More ❯
Employment Type: Full-Time
Salary: Competitive salary
Posted:

Web Developer

St. Neots, Cambridgeshire, England, United Kingdom
Hybrid / WFH Options
ALH Recruitment Ltd
using HTML, CSS, JavaScript, and modern frameworks (e.g., React, Vue, etc.) Build and customise Wagtail, WordPress, Shopify,or other CMS-based sites Optimise sites for speed, SEO, and mobile performance Ensure cross-browser and cross-device compatibility Collaborate with design and content teams to implement UI/UX effectively Troubleshoot bugs, fix issues, and perform ongoing maintenance Integrate third … a plus) Strong knowledge of HTML5, CSS3, JavaScript, and responsive design Experience with CMS platforms like WordPress (custom theme development), Shopify,or Wagtail Understanding of SEO principles and website performance optimisation Familiarity with Git, hosting platforms(e.g., cPanel, Plesk,Cloudflare), and dev tools Ability to manage multiple projects and deadlines Problem-solver with a strong attention to detail More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Performance Developer

London, United Kingdom
Hybrid / WFH Options
Collaborate with quants and traders to test and deploy new ideas Build and maintain robust, scalable codebases for live and simulated trading Contribute to continuous improvement across data quality, performance, and reliability Requirements 1 3 years professional software development experience (Python preferred) Experience building or maintaining back-testing systems , APIs, or data tools Strong understanding of algorithms, data structures … and performance optimisation Analytical mindset with interest in systematic trading and quantitative research Nice to Have Exposure to trading systems, market data, or algo/bot development Familiarity with numerical libraries (NumPy, Pandas, Numba, etc.) Understanding of version control, CI/CD, or distributed computing More ❯
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Chief Technology Officer

City of London, London, United Kingdom
Morris Sinclair Recruitment
improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring … performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode … style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history More ❯
Posted:

Chief Technology Officer

London Area, United Kingdom
Morris Sinclair Recruitment
improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring … performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode … style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history More ❯
Posted:

Chief Technology Officer

london, south east england, united kingdom
Morris Sinclair Recruitment
improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring … performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode … style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history More ❯
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Chief Technology Officer

london (city of london), south east england, united kingdom
Morris Sinclair Recruitment
improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring … performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode … style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history More ❯
Posted:

Chief Technology Officer

slough, south east england, united kingdom
Morris Sinclair Recruitment
improve farm economics, productivity, and environmental impact . Key Responsibilities Lead technical strategy and oversee architecture for scalable, data-driven systems. Remain actively hands-on , designing and developing high-performance C#/.NET back-end systems . Mentor and guide a growing team of developers — setting technical standards and driving best practices. Oversee end-to-end solution delivery, ensuring … performance, security, and maintainability. Collaborate cross-functionally with data scientists, agronomists, and stakeholders to shape product direction. Own cloud infrastructure strategy and implementation on Microsoft Azure . Lead innovation in sustainability-focused agricultural technology and analytics . Contribute to recruitment and technical assessment (including coding challenge design and review). Candidate Assessment Process Our selection process includes a LeetCode … style technical challenge to evaluate: Algorithmic problem-solving Data structures and computational efficiency Code quality and optimisation under time constraints Ideal Candidate Profile Academic and Professional Background Degree/Masters/PhD in Computer Science, Data Science, or a related discipline Proven experience as a Back-End Developer/Engineering Lead/CTO in data-heavy environments Demonstrable history More ❯
Posted:

Lead Full Stack Web Developer (Next.js & TypeScript)

United Kingdom
Hybrid / WFH Options
Neptune Digital
experience in modern web architecture, someone who can build scalable, performant systems and beautiful, intuitive interfaces. About the Role You’ll be responsible for designing, building, and maintaining high-performance web applications and PWAs for Neptune’s clients. You’ll work closely with our design, strategy, and infrastructure teams to turn complex business processes into streamlined digital experiences. We … re looking for someone who can contribute across the full stack - from database schema design and API architecture to front-end performance and user experience. Your Tech Stack You’ll work primarily with: Vercel – for hosting and deployment Next.js – as the core web framework TypeScript – for typed, maintainable code Clerk/WorkOS – for authentication and user management Supabase – for … data persistence and real-time features PostHog/New Relic/Ingest/DataDog – for analytics, observability, and performance monitoring ShadCN (or similar UI frameworks) – for component-based, accessible design systems Responsibilities Design and build scalable, maintainable web applications and PWAs using the above stack Collaborate with designers and strategists to deliver high-quality, user-centric experiences Implement secure More ❯
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System Engineer

United Kingdom
Stockford Recruitment
technology function. This position plays a critical role in the design, development, and integration of a bespoke Microsoft Dynamics 365 platform, supporting the delivery of secure, scalable, and high-performance business solutions. The successful candidate will collaborate closely with technical teams, business stakeholders, and external partners to ensure seamless integration of Dynamics 365 with a range of third-party … updates. Generate and maintain management information (MI) through SQL reporting and data engineering activities. Ensure data security, integrity, and compliance across all integrated systems. Participate in system architecture planning , performance optimisation, and ongoing platform maintenance. Tech Stack: Proficiency in C#/.NET development , including plugins and custom workflows. Experience with Microsoft Dynamics 365 (CRM) configuration and customisation. Strong More ❯
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Ingegnere dei dati (f/m)

London, United Kingdom
s confident communicating with data, product, and engineering teams, not a heads-down coder type. Python workflow automation, data processing, and ETL/ELT development. Snowflake scalable data architecture, performance optimisation, and governance. SQL expert-level query writing and optimisation for analytics and transformations. dbt (Data Build Tool) modular data modelling, testing, documentation, and version control. Design More ❯
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Data Engineer

City of London, London, United Kingdom
83zero Ltd
data, product, and engineering teams, not a "heads-down coder" type. Top 4 Core Skills Python - workflow automation, data processing, and ETL/ELT development. Snowflake - scalable data architecture, performance optimisation, and governance. SQL - expert-level query writing and optimisation for analytics and transformations. dbt (Data Build Tool) - modular data modelling, testing, documentation, and version control. Key More ❯
Employment Type: Permanent
Salary: £90000 - £100000/annum
Posted:

Data Engineer

london, south east england, united kingdom
83data
data, product, and engineering teams, not a “heads-down coder” type. Top 4 Core Skills Python — workflow automation, data processing, and ETL/ELT development. Snowflake — scalable data architecture, performance optimisation, and governance. SQL — expert-level query writing and optimisation for analytics and transformations. dbt (Data Build Tool) — modular data modelling, testing, documentation, and version control. Key More ❯
Posted:

Data Engineer

london (city of london), south east england, united kingdom
83data
data, product, and engineering teams, not a “heads-down coder” type. Top 4 Core Skills Python — workflow automation, data processing, and ETL/ELT development. Snowflake — scalable data architecture, performance optimisation, and governance. SQL — expert-level query writing and optimisation for analytics and transformations. dbt (Data Build Tool) — modular data modelling, testing, documentation, and version control. Key More ❯
Posted:

Data Engineer

London, United Kingdom
data, product, and engineering teams, not a "heads-down coder" type. Top 4 Core Skills Python - workflow automation, data processing, and ETL/ELT development. Snowflake - scalable data architecture, performance optimisation, and governance. SQL - expert-level query writing and optimisation for analytics and transformations. dbt (Data Build Tool) - modular data modelling, testing, documentation, and version control. Key More ❯
Posted:

Amazon Connect Engineer

England, United Kingdom
Hybrid / WFH Options
Peaple Talent
contact centres using Amazon Connect and the latest AWS technologies. We’re looking for an Amazon CX Senior Engineer to join the team and lead the design, implementation, and optimisation of complex full-stack Amazon Connect solutions. You’ll play a pivotal role in guiding customers through sophisticated contact centre transformations, from architecture and automation to AI-driven customer … development experience Advanced use of Infrastructure as Code Knowledge of integration patterns with external systems and APIs Experience building CI/CD pipelines for contact centre solutions Expertise in performance optimisation, scaling, and security architecture Hands-on experience with custom extensions for Amazon Connect More ❯
Posted:

Data Engineer

City of London, London, United Kingdom
Oscar
/dimension design, hierarchies, SCDs). Proven experience building ETL/ELT pipelines using tools such as SSIS , dbt , or Airflow . Solid understanding of database administration , tuning, and performance optimisation across MSSQL and PostgreSQL . Key Responsibilities: Design and maintain data models that meet business requirements, ensuring scalability, consistency, and accuracy. Build and manage ETL/ELT … pipelines to integrate data from S3 and various sources into the analytical layer. Administer and optimise MSSQL Server and PostgreSQL databases for performance and reliability. Collaborate with internal teams to improve data availability, reliability, and performance across systems. Design and maintain secure, scalable AWS cloud infrastructure supporting analytical workloads. Create and maintain dimensional and semantic data models for More ❯
Posted:

Data Engineer

London Area, United Kingdom
Oscar
/dimension design, hierarchies, SCDs). Proven experience building ETL/ELT pipelines using tools such as SSIS , dbt , or Airflow . Solid understanding of database administration , tuning, and performance optimisation across MSSQL and PostgreSQL . Key Responsibilities: Design and maintain data models that meet business requirements, ensuring scalability, consistency, and accuracy. Build and manage ETL/ELT … pipelines to integrate data from S3 and various sources into the analytical layer. Administer and optimise MSSQL Server and PostgreSQL databases for performance and reliability. Collaborate with internal teams to improve data availability, reliability, and performance across systems. Design and maintain secure, scalable AWS cloud infrastructure supporting analytical workloads. Create and maintain dimensional and semantic data models for More ❯
Posted:

Full Stack Engineer

Birmingham, England, United Kingdom
Hybrid / WFH Options
Propel
JavaScript, and Node.js - Experience with frameworks such as React and NextJS, and API Design - Excellent communication skills with stakeholders and team members - Solid understanding of web development fundamentals and performance optimisation techniques - Ability to design, develop, test, deploy, and continuously improve software Skilled in managing project priorities, deadlines, and deliverables - Experience with cloud computing, infrastructure as code, CI More ❯
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Senior Software Engineer

London, UK
Tech Talent Partners
the following technical areas: -Python (incl. FastAPI and/or Django) and other backend languages (Rust, Ruby, Go etc.) -Frontend (React, Typescript) -APIs (design, development and standards) -Database (design, performance optimisation and for scale) -Infrastructure (CI/CD pipelines, cloud) The company requires you to work in their office 3-days a week and cannot offer sponsorship. This More ❯
Employment Type: Part-time
Posted:

Senior .Net Developer

REMOTE, St James's Square, Greater London, United Kingdom
Hybrid / WFH Options
Morris Sinclair Recruitment
Solutions Candidate Assessment Process: LeetCode-Style Coding Challenge Designed to evaluate algorithmic problem-solving skills Focus on efficient, optimised solutions Challenges will test: Data Structures Algorithm Design Computational Thinking Performance Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End More ❯
Employment Type: Permanent
Salary: £70000 - £100000/annum
Posted:

Senior Developer, .NET, C#, Remote

London, United Kingdom
Hybrid / WFH Options
Solutions Candidate Assessment Process: LeetCode-Style Coding Challenge Designed to evaluate algorithmic problem-solving skills Focus on efficient, optimised solutions Challenges will test: Data Structures Algorithm Design Computational Thinking Performance Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End More ❯
Posted:

Senior Dotnet Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Morris Sinclair Recruitment
Solutions Candidate Assessment Process: LeetCode-Style Coding Challenge Designed to evaluate algorithmic problem-solving skills Focus on efficient, optimised solutions Challenges will test: Data Structures Algorithm Design Computational Thinking Performance Optimisation Ideal Candidate Profile: Academic and Professional Requirements: Minimum Qualification: Degree/Masters/PhD in Computing, Data Science, or Equivalent Proven Commercial Experience as a Back-End More ❯
Posted:
Performance Optimisation
10th Percentile
£50,000
25th Percentile
£63,438
Median
£77,500
75th Percentile
£95,000
90th Percentile
£120,000