26 to 50 of 249 Performance Optimisation Jobs in England

Linux HPC Architect

Hiring Organisation
Henderson Scott
Location
Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£75,000
+ Bonus Experience needed: We're looking for an experienced HPC or Linux infrastructure specialist with a strong background in designing and scaling high-performance computing environments, including clusters, storage, and high-speed networking. About the role: In this role, you'll be responsible for designing and evolving high … performance computing platforms that support complex simulations and data-intensive workloads. You'll take ownership of the HPC architecture, working across compute, storage, and networking to ensure systems are scalable, high-performing, and aligned to future demand. Key Responsibilities: Define and deliver the HPC architecture roadmap aligned to business ...

Lead Data Engineer (Ref: 196438)

Hiring Organisation
Forsyth Barnes
Location
City of London, London, United Kingdom
leadership position focused on building robust, scalable, and governed data solutions using modern cloud technologies. The Role Own the end-to-end design, build, optimisation, and support of scalable Spark/PySpark data pipelines (batch and streaming) Define and implement lakehouse architecture standards (medallion model: bronze, silver, gold), including … reconciliation) Drive CI/CD best practices for data platforms (infrastructure as code, automated testing, versioning, environment promotion) Mentor engineers on distributed data processing, performance optimisation, and cost efficiency Collaborate with data science, product, and compliance teams to translate requirements into scalable data solutions Required Skills & Experience Strong ...

Senior Data Engineer

Hiring Organisation
WSS Associates
Location
City of London, London, United Kingdom
smooth operation of data workflows, and providing analytical support to various departments. This role requires a strong understanding of data architecture, data modelling, and performance optimisation. The role will contribute significantly to the company’s success. There are opportunities for professional development, such as training programs, certifications, and career ...

Web Developer

Hiring Organisation
ARC IT Recruitment Ltd
Location
Brighton, East Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£60,000
RESTful and SOAP APIs with third-party systems Design and optimise SQL and NoSQL databases Support full SDLC including testing, deployment, and maintenance Monitor performance, troubleshoot issues, and drive continuous improvements Required Skills & Experience 35 years experience in software or application development Strong proficiency in C#, ASP.NET/ASP.NET … Core Experience with modern frontend frameworks (Angular, React, or Vue.js) Solid understanding of REST APIs, microservices, and performance optimisation Experience with SQL Server and exposure to NoSQL databases Hands-on experience with AWS and/or Azure Familiarity with CI/CD pipelines and Infrastructure as Code (e.g. ...

Geospatial Engineer

Hiring Organisation
nxzen
Location
England, United Kingdom
deep domain expertise with engineering excellence and digital innovation to deliver measurable impact. We help operators modernise, connect, and optimise national systems to meet performance, compliance, and net-zero goals without compromise. The Role Joining nxzen’s rapidly growing geospatial capability means becoming part of a team redefining … geospatial data workflows. This role combines hands-on engineering with opportunities to influence technical approaches, helping to improve the reliability, automation, and performance of our pipelines. You will build ETL processes, transform and validate geospatial datasets, support API and service implementations, contribute to CI/CD workflows, and enhance ...

Data Engineer

Hiring Organisation
Lorien
Location
City of London, London, United Kingdom
including Azure Databricks, Azure Data Lake Storage, and Azure Data Factory. Advanced proficiency in SQL, Python, and Spark (PySpark), with a strong focus on performance optimization and distributed processing. Proven experience in CI/CD practices using industry-standard tools (e.g., GitHub Actions, Azure DevOps). Strong understanding ...

Salesforce Engineer - Field Mobile Platform

Hiring Organisation
Focus on SAP
Location
Reading, England, United Kingdom
platform simplification, reducing duplication and technical debt. Engineering Excellence Champion best practices in: Clean architecture CI/CD automation Testing strategies Observability and telemetry Performance optimisation Secure-by-design principles Ensure high reliability, resilience, and offline capability for field environments. Cross-Functional Collaboration Partner with Product, Architecture … ability to define and influence engineering standards across multiple teams. Strong experience with: CI/CD pipelines and DevOps practices Automated testing and observability Performance tuning and platform optimisation Experience designing resilient, offline-capable mobile solutions Ability to solve complex, cross-domain technical challenges. Strong stakeholder engagement ...

Senior Data Platform Engineer - Snowflake

Hiring Organisation
ed Resourcing Ltd
Location
Manchester, Lancashire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,400 Annual
strong focus on Snowflake . This is a senior-level position where you'll take ownership of platform engineering capabilities- driving automation, governance, and performance optimisation, while enabling data teams to deliver advanced analytics at scale. You'll operate with a high level of autonomy, contributing to platform … provisioning using Terraform (IaC) Develop and maintain CI/CD pipelines (GitHub Actions/Azure DevOps) Implement monitoring, alerting, and observability frameworks Lead cost optimisation initiatives across Snowflake workloads Define and enforce security best practices (RBAC, data masking, identity integration) Establish governance and compliance frameworks (audit logging, access reviews ...

Lead SRE

Hiring Organisation
Pulse Recruit
Location
London Area, United Kingdom
continuous improvement Partnering with engineering teams to design resilient, fault-tolerant systems Driving automation across infrastructure, deployments and operational workflows Contributing to capacity planning, performance optimisation and cost efficiency Providing technical leadership through design reviews and architectural decisions Mentoring engineers and influencing reliability best practices across the organisation ...

Senior Data & Machine Learning Engineer

Hiring Organisation
Forward Role
Location
Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
pipelines and architectures Leading the move from legacy and hybrid platforms to a modern Fabric setup Supporting BI teams with semantic models, datasets and performance optimisation Enabling ML and MLOps workflows, from feature engineering to deployment Working closely with data scientists, analysts, IT and the wider business Embedding ...

Senior Data Platform Engineer

Hiring Organisation
ITSS Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £100000/annum Bonus + Fantastic benefits
using Terraform and building CI/CD pipelines via Azure DevOps and GitHub Actions. * Strong grasp of observability practices, including logging, metrics, alerting, and performance optimisation. * Deep understanding of cloud security, with experience applying secure-by-design principles in Azure and/or Snowflake (e.g., network isolation, IAM, data ...

Platform Engineer

Hiring Organisation
Candour
Location
Liverpool, England, United Kingdom
cloud and on-prem infrastructure within a high-volume environment. This role focuses on Infrastructure as Code, CI/CD, observability, security, reliability, cost optimisation, and DevOps/SRE best practices , supporting a complex multi-cloud and on-prem estate. Key Responsibilities: Design and manage hybrid cloud … Snyk into CI/CD pipelines Drive reliability engineering through SLIs, SLOs, error budgets, incident response, and disaster recovery testing Lead capacity planning and performance optimisation for peak trading events Optimise cost and resource usage through right-sizing, tagging strategies, and forecasting Leverage AI-driven tooling (AIOps ...

Infrastructure Engineer

Hiring Organisation
Candour
Location
Bolton, England, United Kingdom
junior candidates while also providing engaging and challenging work for more senior professionals. You will be responsible for the day-to-day engineering, optimisation, and support of infrastructure platforms, with a primary focus on Linux-based systems and network architecture. Key Responsibilities Administer, optimise, and secure Linux-based systems … including system tuning, patching, performance optimisation, and troubleshooting complex issues. Design, configure, and maintain network infrastructure (VLANs, VPNs, routing, firewalling), ensuring secure, resilient, and high-performance connectivity across data centre and on-premise environments. Build and maintain virtualised platforms, managing compute, storage, and network resources to support ...

Senior UI Developer - £165k + Bonus - London

Hiring Organisation
Hunter Bond
Location
Greater London, England, United Kingdom
rapidly growing fintech start-up building next-generation technology for the FX and cryptocurrency trading markets . Their platform powers modern, high-performance trading infrastructure used by participants operating in fast-paced global financial markets. You’ll be joining a talented team of engineers with experience from leading technology … delivering modern front-office trading applications within a growing engineering team. In this position, you will lead the design and development of high-performance, real-time web interfaces used by traders and clients. You’ll be responsible for defining front-end architecture, making key technical decisions, and ensuring ...

PHP Full Stack Software Engineer - Supply Chain / Sustainability. Hybrid

Hiring Organisation
RecruitmentRevolution.com
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
based functionality. You’ll work closely with designers and stakeholders to bring user experiences to life, while contributing to the ongoing development and optimisation of our Moodle-based platforms. We make extensive use of AI-assisted development tools and are continuing to expand this across the team … code reviews and supporting other developers where needed. You will take ownership of software quality, ensuring best practices are followed across development, testing, and performance optimisation, including writing and maintaining unit and Behat tests. System Management & Support: You will troubleshoot issues and optimise applications to ensure performance ...

PHP Full Stack Software Engineer - Supply Chain / Sustainability

Hiring Organisation
RecruitmentRevolution.com
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
based functionality. You ll work closely with designers and stakeholders to bring user experiences to life, while contributing to the ongoing development and optimisation of our Moodle-based platforms. We make extensive use of AI-assisted development tools and are continuing to expand this across the team … code reviews and supporting other developers where needed. You will take ownership of software quality, ensuring best practices are followed across development, testing, and performance optimisation, including writing and maintaining unit and Behat tests. System Management & Support: You will troubleshoot issues and optimise applications to ensure performance ...

PHP Full Stack Software Engineer - Supply Chain / Sustainability

Hiring Organisation
RecruitmentRevolution.com
Location
EC1V, Old Street, Greater London, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum + Benefits
based functionality. You’ll work closely with designers and stakeholders to bring user experiences to life, while contributing to the ongoing development and optimisation of our Moodle-based platforms. We make extensive use of AI-assisted development tools and are continuing to expand this across the team … code reviews and supporting other developers where needed. You will take ownership of software quality, ensuring best practices are followed across development, testing, and performance optimisation, including writing and maintaining unit and Behat tests. System Management & Support: You will troubleshoot issues and optimise applications to ensure performance ...

Trading Data Engineer

Hiring Organisation
Frossell Recruitment
Location
Abingdon, Oxfordshire, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 per annum
ensuring generation and storage assets deliver the correct contracted schedules. Design and manage Delta Lake tables and SQL databases, applying strong data modelling and optimisation strategies. Develop monitoring dashboards and alerting to ensure transparency around pipeline health and data freshness. Implement data validation and reconciliation checks across multiple market … data sources. Optimise pipeline performance and manage compute costs through efficient Spark and SQL design Produce clear documentation for data schemas, pipelines and operational processes. Contribute to Git-based development workflows and CI/CD pipelines. Support internal teams by ensuring settlement and industry data is delivered accurately ...

Data Engineer

Hiring Organisation
Experis
Location
Bath, Somerset, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
translate complex requirements into technical data solutions Ensure data platforms meet security, accreditation, and information assurance standards Support data quality, lineage, monitoring, and performance optimisation Contribute to data architecture and platform evolution, including cloud and on-prem solutions Collaborate in Agile delivery teams (Scrum/SAFe environments) Required ...

Infrastructure Lead - AWS

Hiring Organisation
Morson Edge
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
resilience, and drive best practices across CDN, AWS cloud environments, and Site Reliability Engineering (SRE) . You'll work at the intersection of infrastructure, performance, and reliability—ensuring systems are scalable, secure, and always available. What You'll Be Doing Lead, mentor, and develop a team of engineers across … cloud infrastructure and SRE Own and optimise AWS environments , ensuring scalability, cost-efficiency, and security Manage and enhance CDN performance and delivery strategies Drive adoption of SRE principles including SLIs, SLOs, and error budgets Improve system observability through monitoring, logging, and alerting Collaborate with engineering and product teams ...

Application Development & Support Manager - Core Banking

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £95,000 per annum
processing Provide fix-on-fail support and coordinate issue resolution Work closely with infrastructure teams to support IBM Power Systems performance and platform optimisation Application Delivery Lead development and delivery of application changes and enhancements Manage the transition of new solutions from project delivery into BAU support models … Application Support Ensure reliable support for core banking and business applications Oversee incident management, root cause analysis, and service improvement Implement application monitoring and performance optimisation Coordinate upgrades, patches, and maintenance with third-party vendors Team Leadership Lead and mentor a small team of developers and application support ...

Lead Data Engineer - Hybrid working

Hiring Organisation
Ashdown Group
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
models across Snowflake, Databricks, and cloud environments (AWS/GCP). Working closely with Data Science, Product, and Analytics teams, youll ensure reliable, high-performance data flows that power AI and analytics products. Alongside deep technical delivery, youll be responsible for leading the junior engineers and near shore partners … architectural direction and best practices. Key Responsibilities Design and maintain scalable data architectures across Snowflake and Databricks Lead schema design, dimensional modelling, and SQL performance optimisation Build robust ETL/ELT pipelines Develop resilient API ingestion workflows Implement data quality frameworks and enforce data contracts Build CI/ ...

Senior Software Developer

Hiring Organisation
Spectrum It Recruitment Limited
Location
London, United Kingdom
Employment Type
Permanent
that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C#/.NET/SQL Server/ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural discussions and contribute to technical direction Build scalable, reliable systems to support automated trading and research Develop and optimise database solutions (SQL Server or equivalent) Improve performance, reliability ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
Slough, Berkshire, UK
that support real-world trading strategies. As a senior member of the team, you will contribute both technically and strategically, helping shape development standards, performance optimisation, and system scalability. You will primarily work within a C#/.NET/SQL Server/ASP.NET ecosystem, developing high-performance, reliable, and maintainable applications. Key Responsibilities Design, develop, and maintain high-performance applications in C# and .NET Lead architectural discussions and contribute to technical direction Build scalable, reliable systems to support automated trading and research Develop and optimise database solutions (SQL Server or equivalent) Improve performance, reliability ...

Senior Machine Learning Data Scientist - Credit Risk

Hiring Organisation
Martin Veasey Talent Solutions
Location
Northampton, Northamptonshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £120000/annum +Bonus+Benefits (Flexibility £150k
supported by rich, real-world datasets and a continuous feedback loop of internal and external lending outcomes. The model is already delivering strong predictive performance, but the real value lies in how it is developed from here. This opportunity represents a natural evolution of an already successful machine learning … core modelling framework, working directly on probability of default models and broader decisioning logic that underpins lending strategy. The emphasis is on refinement, optimisation and continuous improvement rather than building from scratch. You will be responsible for the intellectual core of the models: Feature engineering across financial, behavioural ...