76 to 100 of 249 Performance Optimisation Jobs in England

Data Engineer

Hiring Organisation
Method Resourcing
Location
City Of Bristol, England, United Kingdom
across the Azure infrastructure (Container Apps & Functions) Write efficient SQL and stored procedures to transform and model data Implement data quality checks, monitoring, and performance optimization Document data flows, transformations, and lineage Partner with analysts to translate requirements into reliable data solutions About you: 3-5 years Data Engineering ...

Python Deveoper

Hiring Organisation
Focus on WD
Location
Wokingham, England, United Kingdom
8+ years’ Python experience with strong problem-solving skills. Experience in optimization, data analytics, and system modelling. Knowledge of power/energy systems and performance optimization. Strong communication and documentation skills. Details Full-time, onsite in Wokingham 6-month contract (potential extension) If you have a strong Python background ...

Mid-Level NodeJS Engineer

Hiring Organisation
WhoCanFixMyCar.com Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
services using Node.js and TypeScript. Implement features based on product requirements and technical specifications. Ensure smooth integration with existing systems and APIs. Contribute to performance optimization, scalability, and security improvements. Code Quality & Collaboration: Write clean, maintainable, and well-tested code. Participate in code reviews and follow established best practices. ...

Software Developer Mobile (iOS / Android)

Hiring Organisation
AWD Online
Location
Scarborough, North Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
user experiences and scalable app functionality. The IOS/Android Mobile App Software Developer will collaborate with internal stakeholders and technical teams to enhance performance, introduce new features and ensure applications remain aligned with modern development standards and best practice. This role offers excellent long-term stability, career development … industry best practice Integration Support: Assist with integration of third-party services and APIs Issue Resolution: Identify, troubleshoot and resolve technical issues to maintain performance and usability Code Quality & Optimisation: Contribute to clean, efficient and scalable code development CANDIDATE REQUIREMENTS ESSENTIAL Experience developing mobile applications using Kotlin ...

Staff Software Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £135,000 per annum
Staff Engineer, you will act as a technical leader within a high-performing engineering team, driving architectural decisions and ensuring the scalability, reliability, and performance of a modern, distributed platform.Key responsibilities include: Designing and evolving highly scalable, distributed backend systems Setting standards for engineering excellence, observability, and operational best … closely with Product, UX, and Engineering teams to deliver impactful features Leading on system architecture and long-term technical strategy Tackling complex challenges around performance, scalability, and data-intensive workloads Mentoring and developing engineers across the organisation What you'll need to succeed 8+ years' experience in software engineering ...

Senior Data Engineer

Hiring Organisation
Gigaclear
Location
Abingdon, Oxfordshire, United Kingdom, Shippon
Employment Type
Permanent
analytics, BI, and operational reporting needs. Data Architecture Implementation Translate the defined data architecture and standards into implemented solutions—including ingestion, transformation, storage, and performance optimisation. Pipeline Development & Orchestration Develop robust ELT/ETL pipelines using dbt and workflow/orchestration tools (e.g., Argo Workflows), ensuring reliability, maintainability … adherence to engineering best practices. Performance & Cost Optimisation Implement Snowflake warehouse configurations and query optimisation techniques to ensure efficient usage and predictable cost. Data Quality & Governance Execution Apply data quality checks, lineage tracking, and security standards across the data estate. Ensure compliance with data policies, InfoSec controls ...

Senior Frontend Developer

Hiring Organisation
Pentasia
Location
Newcastle Upon Tyne, England, United Kingdom
product, QA, and design. - Drive improvements in engineering standards, tools, and processes. - Identify and reduce technical debt while supporting system modernisation efforts. - Ensure strong performance, scalability, security, and reliability across platforms. - Lead or contribute to technical initiatives spanning multiple systems. - Mentor team members and support knowledge sharing and hiring … understanding of distributed systems and cloud environments (AWS preferred). - Familiarity with CI/CD pipelines, automated testing, and modern delivery practices. - Experience with performance optimisation, debugging, and observability tools. - Exposure to legacy systems and modernisation projects is advantageous. - Knowledge of secure coding practices and common security standards. ...

OneStream Technology Lead/Developer

Hiring Organisation
Tria Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £650 per day
dimensions, workflows, and security models Build and enhance reports, dashboards, and analytic views Support and maintain data integrations, APIs, and connectors Ensure data integrity, performance optimisation, and adherence to best-practice governance Act as a technical lead, providing code reviews, documentation, and mentoring to other developers Support production ...

OneStream Technology Lead/Developer

Hiring Organisation
Tria Recruitment
Location
London, UK
Employment Type
Full-time
dimensions, workflows, and security models Build and enhance reports, dashboards, and analytic views Support and maintain data integrations, APIs, and connectors Ensure data integrity, performance optimisation, and adherence to best-practice governance Act as a technical lead, providing code reviews, documentation, and mentoring to other developers Support production ...

OneStream Technology Lead/Developer

Hiring Organisation
Tria Recruitment
Location
Slough, Berkshire, UK
dimensions, workflows, and security models Build and enhance reports, dashboards, and analytic views Support and maintain data integrations, APIs, and connectors Ensure data integrity, performance optimisation, and adherence to best-practice governance Act as a technical lead, providing code reviews, documentation, and mentoring to other developers Support production ...

Senior Software Engineer

Hiring Organisation
Apex Systems
Location
London Area, United Kingdom
proficiency (command-line tools, shell scripting) Preferred Qualifications • Experience with high-throughput, low-latency systems at scale • Advanced coding skills including concurrency, profiling, and performance optimisation • Experience with CI/CD pipelines and deployment automation • Familiarity with edge computing, request routing, or content delivery architectures • Experience with security ...

Data Platform Analyst (Technical BA / Data Product) – Tier 1 Global Hedge Fund – London – Excellent Comp + Bonus

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
looking for 7–15 years’ experience in financial services (buy-side or trading environments preferred) Strong expertise in SQL and data modelling (schemas, normalization, performance optimisation) Deep experience working with market data across asset classes , including vendor integration and financial identifier mapping (ISIN, CUSIP, etc.) Strong understanding ...

Fullstack Software Engineers – C#, .NET, Vue.js, JavaScript, Azure, Testing, Remote - Edinburgh/Scotland - Award-Winning, High-Growth Tech Scale-Up 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
Bury, Greater Manchester, United Kingdom
have): RabbitMQ, SignalR, broader Azure services 🌳 Azure Cognitive Search 🌳 Data pipelines (Fabric or similar) 🌳 Search technologies (Lucene, Elastic, NoSQL, MSSQL) 🌳 MS SQL views and performance optimisation 🌟 About You 🌳 A strong full-stack engineer with deep problem-solving instincts 🌳 Skilled at breaking down complexity into clear actions 🌳 Emotionally intelligent ...

Fullstack Software Engineers – C#, .NET, Vue.js, JavaScript, Azure, Testing, Remote - Edinburgh/Scotland - Award-Winning, High-Growth Tech Scale-Up 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
Central London / West End, London, United Kingdom
have): RabbitMQ, SignalR, broader Azure services 🌳 Azure Cognitive Search 🌳 Data pipelines (Fabric or similar) 🌳 Search technologies (Lucene, Elastic, NoSQL, MSSQL) 🌳 MS SQL views and performance optimisation 🌟 About You 🌳 A strong full-stack engineer with deep problem-solving instincts 🌳 Skilled at breaking down complexity into clear actions 🌳 Emotionally intelligent ...

Full Stack Engineer

Hiring Organisation
Affinity Labs
Location
City of London, London, United Kingdom
Contribute meaningfully to product and architecture discussions; be heard in debate and align to unified decisions. Own operability: CI/CD, monitoring/alerting, performance optimisation, safe rollbacks. Build and integrate AI features (LLM/agent workflows, RAG/vector DB integration, eval hooks, cost/safety guardrails ...

UI Engineer

Hiring Organisation
mthree
Location
City of London, London, United Kingdom
Experience building large-scale, enterprise-grade applications. Knowledge of state management frameworks (Redux, Context API, etc.). Understanding of UI/UX principles and performance optimization. Familiarity with testing frameworks and CI/CD pipelines. Excellent problem-solving and collaboration skills. Nice to have: Financial services or trading systems ...

Power Platform Developer

Hiring Organisation
Hays Technology
Location
Walsall, Staffordshire, United Kingdom
Employment Type
Permanent
Salary
GBP 50,000 - 60,000 Annual
services. Create and manage custom connectors for integrating external APIs and services. Translate business requirements into functional and technical specifications. Conduct testing, troubleshooting, and performance optimization of applications. Provide technical support, documentation, and training to end-users. Stay updated with the latest features and best practices within the Power ...

Senior Golang Engineer

Hiring Organisation
PCR Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
years of relevant industry experience Significant experience with Golang and Git/GitHub SCM Strong experience with coding techniques and standard methodologies for security, performance optimization, and ease-of-use Experience in utilisation and deployment of cloud technologies in AWS or GCP , experience in container technologies such as Docker … through analytics dashboards Passion for high-quality code, tests, CI/CD, documentation, and production services Track record of driving improvements in code quality, performance , etc. Experience leveraging ORMs to interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript ...

Web Designer / Developer (WordPress & UX/UI)

Hiring Organisation
Reed
Location
Billingham, Cleveland, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £38,000 per annum, Inc benefits
multiple digital touchpoints and collaborating closely with designers, developers, and senior stakeholders. The Role You will play a key role in the design, build, optimisation, and ongoing improvement of several high-profile digital platforms serving both B2B and B2C audiences. Working within the Marketing function and alongside in-house … company-wide Design System Collaborate closely with in-house developers on integrations and internal tools Ensure best practice across SEO, accessibility (WCAG), performance, and site structure Test websites across browsers and devices and resolve usability or UI issues Analyse performance and user behaviour to support continuous improvement Confidently ...

SAS Data Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Engineers to join a growing data team. This is a key role within a large-scale data portfolio, supporting critical programmes focused on revenue optimisation, fraud detection, data management and analytics. The successful candidate will play a hands-on role in designing, building and supporting robust SAS-based data … solutions, working closely with product owners, architects, engineers and senior client stakeholders. Key responsibilities include: Designing and delivering secure, high-performance SAS solutions for data integration and analytics Building and enhancing data pipelines covering ingestion, transformation, reporting and fraud detection Supporting live services, incident resolution and continuous improvement Collaborating ...

Customer Success Manager

Hiring Organisation
adWMG
Location
London Area, United Kingdom
adWMG’s technology and services to meet their goals. Responsibilities include on-boarding new supply & demand partnerships, analysing data, inventory quality management, performance optimisation, managing and growing existing partnerships, addressing customer needs, identifying upselling/cross-selling opportunities, and building and maintaining strong customer focussed relationships. The role … partner stakeholders, offering insights, resolving issues, and identifying upselling and cross-selling opportunities Work closely with internal product and technical teams to enhance performance and maximize yield Track and analyze performance metrics and KPIs to inform optimization efforts and long-term growth strategies Represent the company at global ...

Power BI Developer

Hiring Organisation
Tenth Revolution Group
Location
Stafford, Staffordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £45,000 per annum
Power BI Developer Up to £45,000 I am seeking an Power BI Developer to support the development, optimisation and governance of modern data and analytics solutions within a growing UK analytics consultancy. Sitting within an expanding analytics practice, this role is central to delivering trusted, scalable and high … Power BI semantic models Develop high-quality Power BI reports and dashboards, including advanced DAX measures and calculations Apply best practices across data modelling, performance optimisation and governance Support analytics users and troubleshoot issues across deployed insight products Contribute to ongoing improvements in analytics standards, processes and methodologies ...

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£165,000 - £185,000 per annum
Have you built low-latency, high-performance systems and want to work at the cutting edge of crypto trading infrastructure? Senior Software Engineer (C++) - Crypto Trading Salary: up to £185k + bonus + RSUs Location: Fully Remote We are delighted to be continuing our partnership with a globally established … mission to accelerate global crypto adoption, and are looking for experienced C++ Engineers to help build one of the most scalable, secure, and high-performance trading platforms in the market. You'll join a globally distributed Trading Technology team, working on critical backend services including matching engines, market data ...

Software Developer Apprentice

Hiring Organisation
QA
Location
Countess Wear, Devon, UK
Employment Type
Full-time
with installing, configuring, and maintaining WordPress plugins Support troubleshooting and debugging website issues Test websites across different browsers and devices Help optimise websites for performance, accessibility, and user experience Work collaboratively with designers, developers, and content teams Follow coding standards, documentation practices, and version control processes During the apprenticeship … development (HTML, CSS, responsive design) Backend development fundamentals using PHP WordPress theme and plugin development Version control using Git Software testing and debugging Website performance optimisation Secure development practices Agile development methodologies Documentation and technical communication Successful apprentices will demonstrate: Enthusiasm for learning new technologies Strong problem-solving ...

Software Developer Apprentice

Hiring Organisation
QA
Location
Team Valley Trading Estate, Gateshead, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£20,000 per annum
with installing, configuring, and maintaining WordPress plugins Support troubleshooting and debugging website issues Test websites across different browsers and devices Help optimise websites for performance, accessibility, and user experience Work collaboratively with designers, developers, and content teams Follow coding standards, documentation practices, and version control processes During the apprenticeship … development (HTML, CSS, responsive design) Backend development fundamentals using PHP WordPress theme and plugin development Version control using Git Software testing and debugging Website performance optimisation Secure development practices Agile development methodologies Documentation and technical communication Successful apprentices will demonstrate: Enthusiasm for learning new technologies Strong problem-solving ...