101 to 125 of 904 Performance Optimisation Jobs in the UK

backend developer for public-sector digital services

Location
Greater London, England, United Kingdom
code reviews and architectural decision‐making; Develop automated tests and contribute to continuous integration and continuous delivery processes; Investigate and resolve technical issues, defects, performance problems and production incidents; Consider security, accessibility, privacy, resilience, scalability and performance throughout the development lifecycle; Contribute to technical documentation and knowledge sharing … modern software development workflows; Understanding of clean code, modularity, maintainability, version control and appropriate design patterns; Experience diagnosing and resolving application defects, performance issues and production problems; Good understanding of AWS Lambda, serverless application development, AWS services, event‐driven architectures, asynchronous processing, API‐based integrations, application configuration, environments, deployments ...

Senior Developer (Microsoft Dynamics & Integration)

Location
Greater London, England, United Kingdom
deliver scalable, secure, and high-quality technical solutions. Along the way, you’ll contribute to transformation initiatives, strengthen integration capabilities, and help improve system performance and reliability. Reports to: Enterprise & Solution Architect What you’ll be doing... Design, develop, and maintain customisations and extensions within Microsoft Dynamics … scalable technical solutions Collaborate with third-party suppliers to ensure quality and alignment with internal standards Support live operations including issue resolution, releases, and performance improvements Develop and maintain CI/CD pipelines and apply DevOps best practices Contribute to data modelling, integration strategies, and performance optimisation ...

Senior Developer (Microsoft Dynamics & Integration)

Hiring Organisation
JCDecaux
Location
London, UK
Employment Type
Full-time
deliver scalable, secure, and high-quality technical solutions. Along the way, you'll contribute to transformation initiatives, strengthen integration capabilities, and help improve system performance and reliability. Reports to: Enterprise & Solution ArchitectWhat you'll be doing...What you'll be doing... Design, develop, and maintain customisations and extensions within Microsoft … scalable technical solutions Collaborate with third-party suppliers to ensure quality and alignment with internal standards Support live operations including issue resolution, releases, and performance improvements Develop and maintain CI/CD pipelines and apply DevOps best practices Contribute to data modelling, integration strategies, and performance optimisation ...

Success Architect - Agentforce/Data Cloud

Location
Greater London, England, United Kingdom
Success Architect organisation, including how Data Cloud relates to the success of AI* Engage with our Signature and Strategic customers to evaluate and recommend optimisation strategies for technical architecture, dev/ops, performance, and solution design specific to Agentforce/Data Cloud* Identify and evaluate capability gaps … have a significant impact on our customers' success and the growth of our organisation. Your expertise and guidance will directly influence the technical architecture, performance optimisation, and solution design strategies for our strategic customers, ensuring their success in leveraging Agentforce/Data Cloud's powerful data capabilities. ...

Software Architect (UK)

Location
Horsham, England, United Kingdom
that support modularity and interoperability Conducting architectural reviews and code reviews to ensure alignment with established patterns and standards Identifying and addressing technical debt, performance bottlenecks, and security vulnerabilities Leading proof-of-concept initiatives to validate architectural approaches and emerging technologies Working closely with DevOps and infrastructure teams … forensics, or defence technology sectors Understanding of database design and data architecture patterns Experience with API design and RESTful/GraphQL architectures Knowledge of performance optimisation and scalability patterns Formal architecture training or certifications (e.g., TOGAF, AWS/Azure Architect certifications) We’re happy to consider flexible working ...

DevOps Engineer

Hiring Organisation
Sanderson Recruitment
Location
Romsey, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day + Outside IR-35
practice across platform engineering and DevOps processes. You'll contribute to: Cloud infrastructure deployment and management within AWS CI/CD pipeline development and optimisation Kubernetes platform administration and automation Infrastructure as Code using Terraform and Packer GitOps implementation with ArgoCD Monitoring, observability and performance optimisation using ...

DevOps Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day + Inside IR-35
Experience working within enterprise-scale cloud environments Knowledge of DevSecOps methodologies Experience supporting highly available, business-critical platforms Understanding of platform resilience, scaleability, and performance optimisation This is an excellent opportunity for a DevOps Engineer to join a high-profile programme, helping to deliver robust, secure, and scalable ...

Senior Manager - Principal AI Engineer

Hiring Organisation
KPMG
Location
London, UK
Employment Type
Full-time
automation, testing, and observability across pipelines.· Operational Excellence: Define reusable development patterns, enforce coding standards, and promote MLOps best practices that support version control, performance optimisation, and maintainability.· Cross-Disciplinary Collaboration: Partner closely with data scientists, product managers, platform engineers, and QA teams to align on technical requirements ...

Principal Developer

Location
United Kingdom
augment the development process. Extensive experience with Django, Flask and React.js and SQL. Strong understanding of API-first architectures. Proven ability in performance optimisation. Experience with Docker containerisation. Advanced DevSecOps, CI/CD and cloud-native application knowledge Experience leading Agile Scrum delivery teams. Excellent communication, stakeholder engagement ...

Azure Cloud FullStack

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £520/day
mind, particularly around Azure A collaborative, problem-solving mindset-comfortable investigating and fixing issues as they arise Additional information: Nice to have: experience with performance optimisation and troubleshooting performance bottlenecks If you're excited by full-stack Azure development, want to contribute to healthcare technology, and enjoy ...

Global Equities – Electronic Client Solutions – Execution Consulting - Executive Director

Location
Greater London, England, United Kingdom
recognised authority in equities execution who turns deep market-structure and performance insight into a measurable edge for clients using electronic trading platforms? As an Executive Director in our Equities Electronic Trading team, you will lead the execution consulting agenda at the heart of our electronic trading platform - shaping … analyse, optimise, and advise clientsto improve performance outcomes. If you combine analytical rigour, have a deep set of performance optimisation experience, and a senior systematic client presence, we encourage you to apply. Job Summary: As an Executive Director in Execution Consulting within the Electronic Client Solutions ...

Senior Software Engineer (Vue.js/TypeScript) - iGaming

Location
Leeds, England, United Kingdom
architecture (e.g. Tailwind, SCSS, CSS Modules) Git and modern software development workflows CI/CD pipelines using tools such as Jenkins or GitLab CI Performance optimisation (bundle size, lazy loading, rendering performance) Cloud platforms and static hosting (AWS, Azure or GCP) Observability tooling including logging, metrics ...

Senior Software Engineer (Vue.js/TypeScript) - iGaming

Location
Manchester, England, United Kingdom
architecture (e.g. Tailwind, SCSS, CSS Modules) Git and modern software development workflows CI/CD pipelines using tools such as Jenkins or GitLab CI Performance optimisation (bundle size, lazy loading, rendering performance) Cloud platforms and static hosting (AWS, Azure or GCP) Observability tooling including logging, metrics ...

Senior Software Engineer (Vue.js/TypeScript) - iGaming

Location
City of Edinburgh, Scotland, United Kingdom
architecture (e.g. Tailwind, SCSS, CSS Modules) Git and modern software development workflows CI/CD pipelines using tools such as Jenkins or GitLab CI Performance optimisation (bundle size, lazy loading, rendering performance) Cloud platforms and static hosting (AWS, Azure or GCP) Observability tooling including logging, metrics ...

Senior Software Engineer (Vue.js/TypeScript) - iGaming

Location
Greater London, England, United Kingdom
architecture (e.g. Tailwind, SCSS, CSS Modules) Git and modern software development workflows CI/CD pipelines using tools such as Jenkins or GitLab CI Performance optimisation (bundle size, lazy loading, rendering performance) Cloud platforms and static hosting (AWS, Azure or GCP) Observability tooling including logging, metrics ...

Mid-Level Data Engineer (Python/ AWS)

Location
Belfast, Northern Ireland, United Kingdom
frontend work (React/TypeScript) for data-focused tools where needed Implement observability practices (logging, monitoring, tracing) across data pipelines and APIs Improve reliability, performance, and failure handling across the platform Collaborate with engineers and analysts to deliver data that supports reporting and operational use cases What … supporting data platforms or pipelines in production Strong Python skills for data processing, transformation, and pipeline development Strong SQL skills, including complex queries and performance optimisation Experience with ETL/ELT design and implementation Experience working with AWS data services Experience working with a cloud data warehouse (e.g. ...

Senior Database Specialist

Location
Skipton, England, United Kingdom
future direction of our database and data platform capabilities, ensuring they meet the evolving needs of the organisation while maintaining high standards of governance, performance and operational resilience. At Skipton, we're founded on fairness. We exist to do right by our members - and we believe that starts with … current and future business needs. Leading improvements in database automation, infrastructure as code, deployment pipelines and operational tooling. Driving platform reliability through proactive monitoring, performance optimisation, capacity management and resilience testing. Investigating and resolving complex database incidents, conducting root cause analysis and implementing preventative measures. Establishing and maintaining ...

Senior Database Specialist

Location
United Kingdom
future direction of our database and data platform capabilities, ensuring they meet the evolving needs of the organisation while maintaining high standards of governance, performance and operational resilience. At Skipton, we're founded on fairness. We exist to do right by our members - and we believe that starts with … current and future business needs. Leading improvements in database automation, infrastructure as code, deployment pipelines and operational tooling. Driving platform reliability through proactive monitoring, performance optimisation, capacity management and resilience testing. Investigating and resolving complex database incidents, conducting root cause analysis and implementing preventative measures. Establishing and maintaining ...

Senior Software Developer

Location
Metropolitan Borough of Solihull, England, United Kingdom
technical discussions and contribute ideas that support product improvement and delivery effectiveness. Diagnose complex technical issues, including integration challenges, data consistency issues, and performance improvements. Support knowledge sharing and code quality through peer reviews and collaboration. Contribute to a collaborative engineering culture focused on clean, efficient code and practical … enterprise software environment. Strong hands-on expertise in C#, .NET/.NET Core, and SQL/T-SQL. Solid understanding of database design, performance optimisation, and query tuning. Experience delivering front-end functionality using HTML, JavaScript, and Razor. Experience building and supporting integrations with third-party systems using ...

Kubernetes Engineer

Hiring Organisation
AMS CWS
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Contract, Work From Home
architecture, security, and operations teams to deliver cloud-native solutions. Build and maintain CI/CD pipelines to support automated application delivery. Monitor platform performance, availability, and security, proactively identifying areas for improvement. The skills you'll need: Strong commercial experience with Kubernetes (K8s) administration and engineering. Hands … Code experience using: Terraform Ansible Bicep or equivalent Experience with monitoring and logging tools such as: Prometheus Grafana ELK Stack Splunk Strong troubleshooting and performance optimisation skills. Technical & Ways of Working Kubernetes certifications (CKA, CKAD, CKS). Experience with OpenShift. Service Mesh technologies (Istio, Linkerd). GitOps tooling ...

Senior Engineer - LMEsmart

Location
City Of London, England, United Kingdom
role is to engineer resilient Inter-Office integrations and workflows that automate recovery, streamline price-band governance, and surface real-time matching performance—reducing manual effort, improving compliance, and strengthening Inter-Office market oversight. Develop the automation of test tooling and framework development for the Inter-Office Trading platform … Required Knowledge and Level of Experience: Degree in Computer Science, IT or related disciplines. 5+ years’ experience in software development with Java (JVM), including performance optimisation and profiling. Deep understanding of cloud infrastructures, usage patterns, across at least one major cloud vendor. Knowledge of off-heap data structures ...

Senior Software Developer

Location
Greater London, England, United Kingdom
technical discussions and contribute ideas that support product improvement and delivery effectiveness Diagnose complex technical issues, including integration challenges, data consistency issues, and performance improvements Support knowledge sharing and code quality through peer reviews and collaboration Contribute to a collaborative engineering culture focused on clean, efficient code and practical … enterprise software environment Strong hands‐on expertise in C#, .NET/.NET Core, and SQL/T‐SQL Solid understanding of database design, performance optimisation, and query tuning Experience delivering front‐end functionality using HTML, JavaScript, and Razor Experience building and supporting integrations with third‐party systems using ...

AI Engineer

Location
Belfast City District, Northern Ireland, United Kingdom
LLMs, AI agents, knowledge assistants and modern AI application development Experience operating AI/ML solutions in production, including monitoring, evaluation, incident management and performance optimisation Understanding of CI/CD, infrastructure-as-code and secure software development practices Strong knowledge of data protection, privacy, security, model risk … Microsoft Azure, integrating with existing enterprise and banking platforms Develop scalable APIs, services and data/AI pipelines with a focus on reliability, performance and observability Take AI and ML initiatives from initial discovery and technical design through to production deployment Work closely with stakeholders to establish technical requirements ...

Principal Engineer

Hiring Organisation
Iris Software
Location
United Kingdom, UK
Employment Type
Full-time
Leadership & MentoringCoach, mentor, and develop engineers at all levels, creating a culture of learning and technical excellence. Provide line management support where applicable, including performance management, career development, and objective setting. Foster collaboration, knowledge sharing, and effective communication across teams. Help build high-performing engineering teams by promoting engagement … agile delivery methodologies. Excellent problem-solving, communication, and stakeholder management skills. DesirableCloud platform certifications (Azure, AWS, or GCP).Experience with observability, monitoring, and performance optimisation practices. Experience modernising legacy applications and driving large-scale technical transformations. Key CompetenciesTechnical Leadership & ArchitectureSoftware Engineering ExcellenceCoaching & MentorshipCollaboration & Stakeholder ManagementOwnership & AccountabilityStrategic Decision MakingProblem ...

Full Stack Developer

Location
Greater London, England, United Kingdom
Docker and containerised development environments. Knowledge of cloud platforms such as AWS, Azure or similar. Experience developing and consuming RESTful APIs. Experience with application performance optimisation, including database queries and efficient application code. Experience with modern JavaScript tooling and front-end build processes. An interest in emerging ...