1 to 25 of 278 Performance Optimisation Jobs in the UK

C++ Trading Platform Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
looking for a C++ Trading Platform Developer to join its London-based team. This is an opportunity to work at the intersection of high-performance engineering and digital asset markets, building and scaling a global trading platform that operates across dozens of exchanges worldwide. The environment combines the technical … platform spanning multiple continents, covering: Real-time market data capture Order entry and connectivity across numerous exchanges Robust networking and monitoring systems Scaling and performance optimisation of core infrastructure The tech stack is primarily C++ and Python, running on Linux across both development and production. The focus ...

Analytics Engineer

Hiring Organisation
Live Nation
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
semantic layers Experience enabling self-service analytics through well-structured datasets, testing, version control, and documentation Strong understanding of platform administration (e.g. service accounts), performance optimisation, data quality, and governance within modern data platforms Strong stakeholder collaboration skills, partnering cross-functionally with Data Engineering, Analytics, and regional teams … high-quality data for analytics and BI use cases Manage and optimise data workflows across Databricks and BigQuery , including migration and consolidation to improve performance, efficiency, and reliability Design and implement scalable, reusable data models and transformation layers using SQL and Python Develop and maintain core analytical datasets (e.g. ...

Senior Front End Developer

Hiring Organisation
Liberty
Location
City of London, London, United Kingdom
would be beneficial. Key Responsibilities: Lead front-end development across LibertyLondon.com (Salesforce Commerce Cloud) and the Fabrics site (WordPress), ensuring high standards of quality, performance, and maintainability. Translate design systems, wireframes, and high-fidelity designs into robust, scalable, and accessible front-end solutions. Own and influence front-end architectural … discovery and planning process. Design, build, and deploy MVT and A/B complex experiments using Dynamic Yield, collaborating with analytics and optimisation teams to improve conversion and usability. Support HTML email development, ensuring consistency, accessibility, and responsiveness across clients and devices. Champion front-end best practices, including performance ...

Website Developer

Hiring Organisation
Prince Personnel Limited
Location
Wolverhampton, West Midlands, United Kingdom
Employment Type
Permanent
allow internal teams to update content easily Integrate eCommerce functionality including product listings, payments, and order processing Ensure both websites are optimised for performance, SEO, and mobile use Collaborate with internal teams to gather requirements and translate them into technical solutions Work alongside the Graphic Designer to ensure consistent … branding and visual identity Conduct testing, debugging, and performance optimisation Provide documentation and training to internal users for ongoing website management Recommend tools, platforms, and technologies to support long-term success Key Skills & Experience Proven experience in website development, ideally delivering full website builds from scratch Strong front ...

Technical Lead C++

Hiring Organisation
Microlise
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£70,000
ongoing professional development, architectural guidance, and opportunities to broaden your leadership impact. As a Technical Lead, you will oversee the design, implementation, and optimisation of advanced C++ solutions, ensuring our systems remain robust, scalable, and aligned with best-in-class engineering practices. You will work closely with cross-functional … refine architectures, drive technical decision-making, and unblock complex engineering challenges. Alongside hands-on technical oversight, you will champion engineering excellence across code quality, performance, security, and maintainability, while supporting and developing the next generation of engineers through structured coaching and collaboration. At Microlise, we recognise the importance ...

Technical Lead C++

Hiring Organisation
Microlise
Location
Derby, Derbyshire, UK
ongoing professional development, architectural guidance, and opportunities to broaden your leadership impact. As a Technical Lead, you will oversee the design, implementation, and optimisation of advanced C++ solutions, ensuring our systems remain robust, scalable, and aligned with best-in-class engineering practices. You will work closely with cross-functional … refine architectures, drive technical decision-making, and unblock complex engineering challenges. Alongside hands-on technical oversight, you will champion engineering excellence across code quality, performance, security, and maintainability, while supporting and developing the next generation of engineers through structured coaching and collaboration. At Microlise, we recognise the importance ...

Senior Full Stack Engineer - Remote

Hiring Organisation
Birchwell Associates Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
product-focused environment where engineering decisions have direct impact at scale. The team operates at pace, with a strong emphasis on ownership, performance, and continuous iteration. The Role - Remote Europe (CET 3 We are seeking Senior Backend focused Full Stack Engineers to join a fully remote, cross-functional team … Responsibilities Design, build, and maintain scalable backend systems Work on high-traffic applications used by a global user base Contribute to architecture and performance optimisation Collaborate with cross-functional teams including Product, Design, and DevOps Take ownership of features from concept through to deployment Requirements 5+ years ...

WordPress Developer

Hiring Organisation
Reeta Vickers Recruitment Ltd
Location
Fleet, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £48,000 per annum
create and optimise landing pages to support a range of digital marketing campaigns, ensuring they are conversion-focused and aligned with campaign objectives. Website Performance & Optimisation A key part of your role will involve ensuring all websites are fast, accessible, and user-friendly. You’ll take ownership … performance optimisation, ensuring sites meet modern web standards and deliver an excellent user experience. Ongoing Website Maintenance You will manage the ongoing upkeep of websites, including updating plugins, monitoring security, and ensuring all systems remain stable and up to date. You’ll troubleshoot and resolve technical issues efficiently ...

Senior SAP BTP Integration Lead

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £700/day
security specialists, and functional leads to ensure integration patterns meet government data standards and security requirements. Championing best practices in error handling, monitoring, and performance optimisation, you will promote reusable artefacts and patterns across the programme. Effective stakeholder engagement and clear communication are essential, as you will regularly … regulated environments * Knowledge of SAP S/4HANA integration strategies * Familiarity with enterprise architecture frameworks and security standards * Experience with error handling, monitoring, and performance optimisation in enterprise integrations This is an exciting opportunity to contribute to a high-profile government programme, working with cutting-edge SAP technology ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
United Kingdom
Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
City of London, London, United Kingdom
Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
East London, London, United Kingdom
Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
Bolton, Greater Manchester, United Kingdom
Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀

Hiring Organisation
Areti Group | B Corp™
Location
Leeds, West Yorkshire, United Kingdom
Software Architects – Data & Performance – .NET, Azure, SQL, Cloud Architecture –(Edinburgh/UK Remote) 🌳🌳🌳 🚀 Areti Group | B CorpTM Scotland, United Kingdom Software Architect – Data & Performance – .NET, Azure, SQL – Scotland/UK Remote – Award-Winning, High-Growth AI SaaS Scale-Up Award-Winning, High-Growth Tech Scale-Up | AI-Driven … product. Your role will involve the following: 🌳 Analysing existing systems against future roadmap requirements 🌳 Defining scalable architectural solutions for high-volume data 🌳 Leading data performance and optimisation initiatives 🌳 Embedding security and privacy-by-design principles 🌳 Delivering and reviewing cloud-native Azure solutions 🌳 Driving architectural change within established codebases ...

System Engineer

Hiring Organisation
European Tech Recruit
Location
Edinburgh, Scotland, United Kingdom
systems. Key Responsibilities Distributed Systems R&D: Architect and implement distributed system components for AI workloads across heterogeneous clusters (CPU, GPU, accelerators). Performance Optimisation: Conduct deep profiling and performance tuning of large-scale inference pipelines, focusing on KV cache management and memory scheduling. Scalable Serving Infrastructure … Stack: Proficiency in C/C++ for systems development and Python for research prototyping. Hands-on Experience: Experience with LLM serving frameworks, distributed cache optimisation, and performance profiling tools. Preferred: A track record of publications in top-tier systems or ML conferences and practical experience in load balancing ...

Software Engineer - Scientific/Physics - Compiler - to £110k - ID48023

Hiring Organisation
Humand Talent
Location
Oxfordshire, England, United Kingdom
emerging computational systems Collaborate with experts across multiple disciplines, combining software engineering with advanced scientific thinking Build and refine core infrastructure that enables simulation, optimisation, and performance at scale Integrate complex tools and workflows into cohesive, usable systems that support cutting-edge research and development Tackle challenges that … least one compiled language such as C++, Rust, Julia, Haskell, OCaml or similar Familiarity with modern software development practices including testing, debugging, and performance optimisation An interest in scientific or high-performance computing, or in applying software to complex, real-world problems Not every requirement needs ...

Senior Software Engineer

Hiring Organisation
MSH
Location
London Area, United Kingdom
scalable, multi-prime broker plug-and-play product Reduce client onboarding time for new reporting deployments to under two weeks Improve load times and performance across existing data pipelines and dashboards Integrate external and client-side data sources into existing reporting infrastructure Work across the full stack: database layer … back-end logic, front-end delivery. Qualifications: Advanced Python: data processing, scripting, web frameworks (Streamlit, Django, or equivalent) C/C++: performance optimisation, low-level processing Java: application-level development Microsoft Azure: cloud deployment and hosted application environments Database optimisation: SQL, query tuning, load performance Front ...

Senior Data Analyst

Hiring Organisation
Inspired
Location
Manchester Area, United Kingdom
clients. Supporting the ongoing development of a core data platform that underpins business operations and client delivery. Developing and supporting SQL scripts, including performance optimisation, review and enhancement. Providing service desk support for data-related issues, ensuring timely investigation and resolution. Optionally contributing to API development to support … managers and other employees in fulfilling our objectives and statutory duties. Qualifications and Experience Requirements Essential: Strong experience working with SQL, including complex queries, optimisation and performance tuning. Strong experience working with Excel. Proven experience in data ingestion, migration and transformation, ideally within a SaaS or data-driven ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry trends to inform strategic decisions. Skills and Experience Minimum 8 years of commercial … orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering workflows. Prior experience working in startup environments or high-growth technology companies. ...

Data Engineer

Hiring Organisation
Anson McCade
Location
Newcastle Upon Tyne, England, United Kingdom
backpressure) Experience building ETL/ELT or real-time data pipelines Familiarity with AWS (or Azure/GCP) Knowledge of distributed systems, microservices, and performance optimisation Experience with CI/CD, Git, and modern software engineering practices Nice to Have Exposure to platforms like Databricks, Snowflake, or BigQuery ...

Senior Machine Learning Engineer

Hiring Organisation
LHH
Location
Greater Bristol Area, United Kingdom
Error Rate (WER) is also crucial. Strong proficiency in Python and ML frameworks (e.g., TensorFlow, PyTorch). Understanding of ML architectures, hyperparameter tuning, and performance optimisation. Experience with MLOps tools and CI/CD pipelines. Familiarity with data engineering concepts (ETL, data pipelines, SQL). Ability to analyse complex ...

DevOps Engineer

Hiring Organisation
BullionByPost
Location
Birmingham, England, United Kingdom
investors. You’ll join a fast-paced, high-growth business with a market-leading online presence, working within a technology team focused on performance, automation and continuous improvement. Role Overview We’re hiring a DevOps Engineer to take ownership of our infrastructure and work closely with our development team … build, deploy and scale our systems. This role sits at the intersection of development and operations, with a strong focus on automation, reliability and performance across our high-traffic e-commerce platforms. You’ll play a key role in evolving our DevOps capability, helping to streamline deployments, improve system ...

Performance Manager (Call Centre & Salesforce)

Hiring Organisation
Elliott Recruitment Solutions Limited
Location
Redditch, Worcestershire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£40,000
Performance Manager (Call Centre & Salesforce) Location: Redditch, Office based Salary: £40,000 We are seeking an experienced Performance Manager to join our client in Redditch. This role is ideal for someone with a strong background in call centre environments, who excels at analysing performance data and driving … continuous improvement. Key Responsibilities: Monitor and analyse performance metrics across all departments to identify trends and areas for improvement Extract and interpret data from Salesforce dashboards to support decision-making Lead performance improvement initiatives and support operational changes Work closely with management teams to optimise processes and increase ...

Senior Data Engineer (Ref: 196438)

Hiring Organisation
Forsyth Barnes
Location
London, UK
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 Java AWS Developer

Hiring Organisation
Pixelcode Technologies
Location
Greater Leeds Area, United Kingdom
Infrastructure as Code tools such as CloudFormation or Terraform Familiarity with Docker , containerised environments and modern toolchains Strong understanding of secure coding, resilience and performance optimisation Experience with test automation frameworks and quality-focused delivery practices Ability to diagnose production issues and support live services when required Comfortable ...