326 to 350 of 451 Performance Optimisation Jobs in the UK

Boomi Integration Architect (+Lead Developer)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
extensions. Lead Boomi developers and conduct code and design reviews. Define logging, monitoring, error handling and support processes. Support testing, deployment, production issues and performance optimisation. Produce architecture diagrams, technical designs and mapping documents. Work closely with clients, business teams and technical stakeholders. Strong hands-on experience with Boomi … SFTP and X12 transactions. Strong Java or Groovy scripting skills. Experience integrating ERP, CRM, HCM and e-commerce platforms. Strong troubleshooting and performance-tuning skills. Experience leading and mentoring development teams. Strong client-facing and communication skills. Boomi Developer or Architect certification. Experience with Boomi Master Data ...

Senior Golang Engineer – AI Products & Platforms

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
industry’s most talented engineers and AI specialists. Key Responsibilities Design and build AI‐powered products and platforms using Golang. Develop high‐performance backend services and APIs that operate at enterprise scale. Build and enhance internal developer tools, frameworks and reusable components. Partner with product, engineering and AI teams … operate systems within microservices and distributed environments. Experience with cloud‐native technologies, containerisation and Kubernetes. Strong understanding of software engineering fundamentals, system design and performance optimisation. Experience building products and platforms from concept through to production. Exposure to AI, Machine Learning or LLM‐powered applications is highly desirable. ...

Senior Golang Engineer – AI Products & Platforms

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
industry’s most talented engineers and AI specialists.**Key Responsibilities*** Design and build AI-powered products and platforms using Golang.* Develop high-performance backend services and APIs that operate at enterprise scale.* Build and enhance internal developer tools, frameworks and reusable components.* Partner with product, engineering and AI teams … operate systems within microservices and distributed environments.* Experience with cloud-native technologies, containerisation and Kubernetes.* Strong understanding of software engineering fundamentals, system design and performance optimisation.* Experience building products and platforms from concept through to production.* Exposure to AI, Machine Learning or LLM-powered applications is highly desirable. ...

(Fixed-term) Data Analytics Architect

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
organization. As an Data Analytics Architect, you’ll get to: Own and Administer Snowflake: Manage the end-to-end Snowflake environment, including performance tuning, RBAC security modeling, cost optimization, user permissions, and compute management. Architect dbt Foundations: Lead the development of our dbt project, establishing standards for modeling, testing … Analytics Architecture or Data Engineering, with a proven track record of owning a cloud data warehouse at scale. Mastery of Snowflake architecture, administration, and performance optimization. Advanced proficiency in dbt (Core or Cloud), including experience with macros, packages, and complex DAG management. Demonstrated success working within a distributed team ...

Fullstack Java Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
company Group brand dedicated to AI-powered, secure, end-to-end digital services. the company designs, develops, and operates critical digital environments that drive performance, resilience and sovereignty, helping public and private organizations worldwide retain control over their data and infrastructures, while meeting regulatory requirements. With more than … Microservices, AWS, and Cloud technologies . You will have the opportunity to work on large-scale digital transformation initiatives, application modernization, cloud migration, performance optimization, and automation programs that deliver measurable business value and customer outcomes. Better Technology: Team is no longer limited to traditional application support. It leverages ...

(Fixed-term) Data Analytics Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
complex data lineages easy to understand for everyone in the organization. Responsibilities Own and Administer Snowflake: Manage the end-to-end Snowflake environment, including performance tuning, RBAC security modeling, cost optimization, user permissions, and compute management. Architect dbt Foundations: Lead the development of our dbt project, establishing standards … Analytics Architecture or Data Engineering, with a proven track record of owning a cloud data warehouse at scale. Mastery of Snowflake architecture, administration, and performance optimization. Advanced proficiency in dbt (Core or Cloud), including experience with macros, packages, and complex DAG management. Demonstrated success working within a distributed team ...

UI Senior Lead Software Engineer - Commodities

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front‐end technical direction, including architecture, standards, performance, and testing strategy Partner with product, business stakeholders, and designers to translate trading workflows into intuitive UX Drive quality through thorough testing, troubleshooting … performance optimization Build high‐performance, real‐time UIs with strong responsiveness and stability Establish and evolve scalable UI architecture, including component libraries and shared platform services Drive engineering excellence through code reviews, quality gates, CI/CD, observability, and operational readiness Ensure secure, compliant development practices aligned ...

UI Senior Lead Software Engineer - Commodities

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing strategy Partner with product, business stakeholders, and designers to translate trading workflows into intuitive UX Drive quality through thorough testing, troubleshooting … performance optimization Build high-performance, real-time UIs with strong responsiveness and stability Establish and evolve scalable UI architecture, including component libraries and shared platform services Drive engineering excellence through code reviews, quality gates, CI/CD, observability, and operational readiness Ensure secure, compliant development practices aligned ...

Cloud Network Architect

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Build automation for operational tasks and standard remediation to reduce manual toil. Implement and maintain telemetry/observability pipelines to enable proactive detection and performance optimization. Champion reusable modules, automation patterns, GitOps practices, and engineering best practices across teams. Optimize network performance, routing, and traffic flows across cloud ...

Senior Appian Development Consultant

Hiring Organisation
Jobleads-UK
Location
City of Edinburgh, Scotland, United Kingdom
code technology, workflow automation and intelligent digital solutions. Our capability spans the full transformation lifecycle; from discovery and solution design through to implementation, optimisation and continuous improvement. We work across sectors including financial services, retail, healthcare, automotive, media and the public sector, delivering enterprise platforms that simplify complex business … Agile delivery ceremonies, supporting backlog refinement, estimation, sprint demonstrations and continuous improvement initiatives. Maintain delivery quality through technical reviews, unit testing, deployment management and performance optimisation. Remain curious and committed to continuous learning; embrace new Appian capabilities and identify opportunities to improve delivery through automation, reusable components and emerging ...

Principal Software Engineer (Mobile)

Hiring Organisation
Jobleads-UK
Location
Windsor, England, United Kingdom
your deep mobile engineering expertise to identify opportunities, shape future capabilities and drive product outcomes. Maintain a strong understanding of business priorities, platform performance and engineering operating costs, helping teams balance innovation, value and sustainability. Delivery Support teams in adopting effective delivery practices, including iterative development, estimation, prioritisation … continuous value delivery. Monitor delivery health and team performance, proactively identifying risks, removing blockers and driving improvements across ways of working. Guide teams through technical and delivery challenges, ensuring a focus on simplicity, quality and customer value. Engineering Define and drive the technical strategy, architecture and standards ...

Lead Software Engineer (UI) — Digital Markets Execution Technology (DMET), Execute

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front‐end technical direction, including architecture, standards, performance, and testing strategy Partner with product, business stakeholders, and designers to translate trading workflows into intuitive UX Drive quality through thorough testing, troubleshooting … performance optimization Build high‐performance, real‐time UIs with strong responsiveness and stability Establish and evolve scalable UI architecture, including component libraries and shared platform services Drive engineering excellence through code reviews, quality gates, CI/CD, observability, and operational readiness Ensure secure, compliant development practices aligned ...

C++ Developer

Hiring Organisation
Addition
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 per day
Linux as part of a wider modernisation programme. Refactor and modernise legacy components while maintaining stability and existing functionality. Build and enhance high-performance, low-latency, server-side systems supporting a live platform. Integrate platform services with AWS where required as part of the wider cloud programme. … Windows and Linux environments is essential. Demonstrable experience modernising, upgrading and maintaining large, legacy C++ platforms. Strong understanding of multithreading, concurrency, memory management and performance optimisation. Server-side development experience with solid networking fundamentals, including TCP. Strong unit testing practices and experience working with CI/CD pipelines. Experience ...

Senior Go Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modern deployment practices, including Docker, containers, and Kubernetes Strong background in testing strategies, including TDD, across the full system lifecycle, with a focus on performance optimization Use AI tools to augment your work, applying sound judgement to adopt emerging technologies where they genuinely add value and increase your impact … Azure, or Google Cloud, and a solid understanding of modern deployment practices including Docker and Kubernetes. Capable of designing scalable architectures and optimizing performance through effective testing strategies and collaboration in a team‐oriented environment. #J-18808-Ljbffr ...

Senior Data Insights Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
complex SQL queries, ensuring clarity, efficiency, and production readiness. Design and build scalable dimensional data models from raw source systems (fact/dimension structures, performance-aware design). Apply strong data modelling principles, governance standards and practices that ensure data accuracy, consistency, and security. Develop and manage DBT transformations … using layered architecture, including testing and documentation best practices. Build production-ready Power BI semantic models and dashboards, including advanced DAX measures, performance optimization, and secure data access (RLS). Work collaboratively using GitHub, following structured branching, pull request, and code review workflows. Familiarity with or a strong interest ...

Senior Appian Development Consultant

Hiring Organisation
Jobleads-UK
Location
City of Edinburgh, Scotland, United Kingdom
demonstrations and continuous improvement initiatives. You will also play an important role in maintaining delivery quality through technical reviews, unit testing, deployment management and performance optimisation. As technology continues to evolve, you remain curious and committed to continuous learning; embracing new Appian capabilities and identifying opportunities to improve delivery … SOAP‐based integration patterns, exercising sound judgement on when to use built‐in objects, expressions, rules and plug‐ins versus custom development. Experience identifying performance bottlenecks, applying caching strategies, and using the Appian Health Check report and process monitoring tab to maintain production stability within an application. Experience implementing ...

Senior Software Engineer, Docker Agents (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
capabilities with Retrieval‐Augmented Generation systems to provide contextual knowledge and domain expertise (secondary focus) Evaluation & Testing: Design robust evaluation frameworks to measure agent performance, reliability, and containerized deployment effectiveness Rapid Prototyping: Iterate quickly on new agent capabilities and deployment patterns, moving from concept to production efficiently Open Source … that will impact millions of Docker users Continue to help grow the team and develop efficient agent development processes Contribute to evaluation frameworks and performance optimization across our agent systems Lead initiatives to expand containerized agent capabilities for enterprise use cases Grow your skills in enterprise‐grade containerized ...

Solutions Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Architect is accountable for the technical architecture of the enterprise data platform, ensuring it meets the demands of a growing data estate while maintaining performance, cost efficiency, security, and alignment with enterprise architecture standards. This role will be expected to own the internal technical architecture (compute and storage design … ingestion framework patterns, data modelling standards, andaccess control architecture, platform performance and capacity planning, and establishing architectural authority, documenting design decisions, and ensuring knowledge retention within Burberry. This role defines the architecture, sets the standards, provides design governance, and ensures what is built is consistent, scalable, and aligned ...

Senior Software Engineer, Windows/Desktop Applications - Reading, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Reading, England, United Kingdom
related UI frameworks), C#, XAML, and — when needed — C++. Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft … full lifecycle of features: conception → design → implementation → testing → release → maintenance. Ensure quality, reliability, and consistency across releases. Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, or compatibility problems — and propose robust architectural or design solutions. An ideal candidate should have Required 3+ in Windows desktop ...

Senior Machine Learning Engineer - AI Enablement

Hiring Organisation
Jobleads-UK
Location
Welwyn, England, United Kingdom
test**robust, scalable, and maintainable AI/ML-facing scientific web applications and backend systems.* **You build tools to evaluate AI/ML model performance** and establish new ways to understand and measure AI quality.* **You partner with product managers and scientists** to understand user needs, shape requirements … with expert knowledge of statistics, machine learning theory, and algorithms, and strong proficiency across AI/ML frameworks, libraries, and tools.* **You optimise for performance and scale** with strong knowledge of ML performance optimization and GPU best practices, and hands-on experience of Kubernetes, relational and NoSQL databases ...

Senior Software Engineer, Windows/Desktop Applications - Brighton, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Brighton, England, United Kingdom
related UI frameworks), C#, XAML, and — when needed — C++. Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft … full lifecycle of features: conception → design → implementation → testing → release → maintenance. Ensure quality, reliability, and consistency across releases. Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, or compatibility problems — and propose robust architectural or design solutions. An ideal candidate should haveRequired: 3+ in Windows desktop application ...

Senior Software Engineer, Windows/Desktop Applications - Manchester, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
related UI frameworks), C#, XAML, and — when needed — C++. Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft … full lifecycle of features: conception → design → implementation → testing → release → maintenance. Ensure quality, reliability, and consistency across releases. Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, or compatibility problems — and propose robust architectural or design solutions. An ideal candidate should haveRequired: 3+ in Windows desktop application ...

Senior Software Engineer, Windows/Desktop Applications - London, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
related UI frameworks), C#, XAML, and — when needed — C++. Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft … full lifecycle of features: conception → design → implementation → testing → release → maintenance. Ensure quality, reliability, and consistency across releases. Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, or compatibility problems — and propose robust architectural or design solutions. An ideal candidate should have Required 3+ in Windows desktop ...

Senior Software Engineer, Windows/Desktop Applications - Bristol, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Bristol, England, United Kingdom
related UI frameworks), C#, XAML, and - when needed - C++. Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft … conception to design to implementation to testing to release to maintenance. Ensure quality, reliability, and consistency across releases. Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, or compatibility problems - and propose robust architectural or design solutions. An ideal candidate should haveRequired: 3+ in Windows desktop ...

Senior Algo Trading Software Engineer (VP)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with the global strategy and cross‐regional delivery is a key aspect of this role. Responsibilities Core Development: Design, development and maintenance of high‐performance, low‐latency electronic execution systems Product Collaboration: Partner with traders, quant researchers, and clients to understand their needs and translate them into innovative product … features and enhancements — including execution performance improvements, new liquidity sources, and DMA capabilities. Testing: Continuously improve and maintain testing frameworks, development tools, and environments to ensure platform reliability and performance at scale. AI‐Powered SDLC: Leverage Citi’s suite of AI‐powered development tools throughout the Software Development ...