1 to 25 of 47 Performance Optimisation Jobs in Central London

Lead Business Intelligence Analyst

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
within their sector and a growing commitment to data-driven decision making. Data sits at the heart of their strategy, supporting product development, commercial performance, and operational effectiveness. With a collaborative data team and investment in modern analytics platforms, they are building a scalable, governed, and future-focused data … frameworks, and reporting standards Acting as the escalation point for complex BI and reporting challenges Partnering with data engineering teams on architecture, modelling, and performance optimisation Contributing to a major cloud migration programme and helping modernise the wider analytics ecosystem Your Skills & Experience Strong commercial experience with Tableau ...

Software Engineer

Hiring Organisation
Linnk Group
Location
City of London, London, United Kingdom
alarms and runbooks • Participate in on-call rotations and incident response • Support CI/CD and deployment automation • Conduct code reviews, testing, refactoring and performance optimisation • Independently own and deliver technical features with minimal guidance • Use Generative AI and coding agents effectively within engineering workflows KEY EXPERIENCE • Professional … including monitoring, alarming and incident response • Strong Linux/UNIX and shell scripting skills DESIRABLE EXPERIENCE • High-throughput, low-latency systems • Concurrency, profiling and performance optimisation • CI/CD pipelines and deployment automation • DDoS protection, authentication protocols and TLS termination • Strong unit testing, code review and continuous deployment ...

Senior Software Engineer (Java)

Location
City Of London, England, United Kingdom
optimising mission‐critical trading services across multiple asset classes. Role Responsibilities Design and implement distributed, fault‐tolerant Java services for electronic trading environments Lead performance tuning, optimisation, and refactoring of low‐latency trading components Investigate and resolve production issues, ensuring system stability and high availability Collaborate with global … Architecture, DevOps, and Product Mentor and guide engineers to improve technical capability and engineering standards Experience/Competences Strong experience designing and building high‐performance, low‐latency Java services within electronic trading Strong experience with distributed messaging technologies (Solace/Kafka) and real‐time systems Strong experience designing ...

Azure Databricks Data Engineer

Location
City Of London, England, United Kingdom
data delivery across multiple business functions. Develop and support Lakeflow pipelines, Delta Lake implementations, and modern data engineering frameworks. Drive best practices across performance optimisation, security, governance, monitoring, and platform reliability. Collaborate with business, data, and technology teams to deliver high-quality data products that support organisational growth … Factory, ADLS, Key Vault, and other Azure services. Hands-on experience with Git, CI/CD pipelines, deployment automation, and production support. Strong troubleshooting, performance tuning, and optimisation experience across Databricks and SQL environments. Excellent stakeholder engagement and communication skills, with the ability to operate effectively across both ...

Senior Low Latency Rust Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
week in office We are assisting with the hire of an experienced low-latency engineer to join a specialist team building frameworks, libraries and performance tooling used across a large global electronic trading environment. This is not a traditional BAU development role attached to one desk or application. … team works across multiple trading platforms, solving complex performance problems and helping define how latency-sensitive systems should be engineered. Approximately 90% of the role is hands-on coding , with a major focus on Rust alongside modern Java. What youll work on Low-latency Rust and Java frameworks Event ...

Senior Python Developer/ Engineer

Location
City of Westminster, England, United Kingdom
letter queues, and asynchronous messaging. Work within established development and release processes to ensure high-quality software delivery. Contribute to code quality, automated testing, performance optimization, and system reliability improvements. Support CI/CD deployment pipelines and collaborate with DevOps teams to ensure smooth and reliable application delivery. Contribute ...

Senior Software Developer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
direction of the systems they build. You will work on a combination of greenfield development and the continuous improvement of established platforms, building high-performance, reliable and scalable applications that directly support real-world trading strategies and quantitative research. As a senior member of the engineering team, you will … have the opportunity to influence technical architecture, development standards, performance optimisation and engineering best practices, while working closely with researchers, traders and other technical specialists. Key Responsibilities Design, develop and maintain high-performance applications using C# and modern .NET Take ownership of significant software development projects from ...

Machine Learning Engineer

Hiring Organisation
RedTech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
beneficial but is not essential. Experience in any of the following would be beneficial: LangChain and/or LangGraph Python memory management and performance optimisation GPU optimisation and acceleration PyTorch ONNX/ONNX Runtime Model inference and acceleration Responsibilities for Machine Learning Engineer: Develop and maintain high … prototyping and experimentation through to production implementation Optimise machine learning models and Python software for speed, scale, runtime and memory usage Help improve the performance and scalability of existing AI systems Develop innovative new features using machine learning and AI technologies Explore new technologies and approaches to solve complex ...

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 ...

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 Oracle Fusion Reporting Consultant

Location
Westminster, West End, United Kingdom
continuous improvement across Oracle Cloud environments. As a trusted advisor and subject matter expert, you will play a key role in the design, support, optimisation, and evolution of reporting and analytics solutions across Oracle Fusion ERP, HCM, Procurement, and Supply Chain Management (SCM) . Working closely with customers … reporting solutions that support critical business operations and decision-making. Lead the design and implementation of reporting strategies that deliver: Data accuracy and reconciliation Performance optimisation Business value and alignment Security, governance, and compliance Support reporting and analytics requirements across: Oracle ERP Human Capital Management ( HCM ) Procurement Supply ...

Senior Low-Latency Java Engineer - London

Location
City Of London, England, United Kingdom
technology operates at serious scale, with response times in the 10-100 microsecond range. We're looking for experience in: Modern Java and JVM performance optimisation Low-latency algorithmic trading systems Market data and back-testing/simulation tools Linux internals, system calls and kernel tuning TCP/… kernel-bypass technologies Event-driven or event-sourcing microservices Performance analysis and targeted optimisation Experience with KDB, Rust or C++ would be highly advantageous. London - hybrid working, with up to two days from home £Excellent basic plus strong bonus potential This is an excellent opportunity for someone ...

Site Reliability Engineer

Hiring Organisation
REVYBE IT RECRUITMENT LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
platform Implement and maintain effective logging, metrics, tracing, alerting, and dashboards Define and improve SLIs, SLOs, and reliability metrics Proactively identify and resolve performance, availability, and reliability issues Lead and contribute to incident response, troubleshooting, and root cause analysis Automate operational processes and eliminate repetitive manual tasks Work closely … engineers to improve deployment processes, system reliability, and developer experience Help improve platform resilience, scalability, and disaster recovery capabilities Contribute to capacity planning and performance optimisation as the platform scales Establish and champion SRE best practices across the wider engineering function What We're Looking For Proven commercial ...

MLOps Engineer

Location
City Of London, England, United Kingdom
manage AI platforms and agent infrastructure Build and maintain CI/CD pipelines and DevOps workflows Implement observability, monitoring, and logging solutions Optimise performance, scalability, and cost efficiency Support AI teams with infrastructure, deployment, and integration Ensure platform security, compliance, and high availability Automate infrastructure using Infrastructure as Code … practices Experience with Kubernetes/containerisation technologies Strong programming skills (e.g. Python, Go, Node.js) Experience with observability tools (e.g. OpenTelemetry, Datadog) Understanding of security, performance optimisation, and scalability Desirable Skills Experience working on AI/ML platforms or deployments Exposure to large-scale distributed systems AWS certifications #J ...

MLOps Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
manage AI platforms and agent infrastructure - Build and maintain CI/CD pipelines and DevOps workflows - Implement observability, monitoring, and logging solutions - Optimise performance, scalability, and cost efficiency - Support AI teams with infrastructure, deployment, and integration - Ensure platform security, compliance, and high availability - Automate infrastructure using Infrastructure as Code … practices - Experience with Kubernetes/containerisation technologies - Strong programming skills (e.g. Python, Go, Node.js) - Experience with observability tools (e.g. OpenTelemetry, Datadog) - Understanding of security, performance optimisation, and scalability Desirable Skills - Experience working on AI/ML platforms or deployments - Exposure to large-scale distributed systems - AWS certifications ...

Senior Front-End Engineer React

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Auth0 or similar identity providers Sentry or comparable monitoring and error-tracking platforms Azure Static Web Apps Azure DevOps CI/CD pipelines Vite performance optimisation and bundle analysis Storybook or other component documentation platforms WebSockets or SignalR Client onboarding platforms KYC/KYB workflows Regulated financial services ...

Senior Salesforce Developer

Location
City Of London, England, United Kingdom
Visualforce, SOQL/SOSL, triggers, controllers and Salesforce platform technologies . Design reusable development frameworks and components, ensuring high standards across code quality, performance, testing and maintainability . Implement complex Salesforce configuration, automation, workflows, approvals, validation rules and security controls . Agentforce, AI & Data Cloud Design and develop Salesforce … leadership across Salesforce programmes, contributing to solution design, development standards, code reviews and engineering best practices . Drive continuous improvement across development, automation, platform performance and technical delivery. Key Skills Extensive hands‐on experience delivering enterprise Salesforce solutions , with strong development expertise across Apex, Lightning Web Components (LWC), Visualforce ...

Developer

Location
City Of London, England, United Kingdom
values, with close attention to point in time integrity (as of date versioning, no look ahead bias, clean handling of revisions). Automation and optimisation: automate data workflows and build in data quality checks so parsing failures, gaps or stale data are caught before they reach research. Documentation … time to time Technical Requirements: Proven experience with Python, especially Pandas and NumPy Mastery of SQL and PostgreSQL: schema design, complex queries, indexing and performance optimisation, beyond basic querying Experience with pipeline orchestration and scheduling Proven ability to deliver reliable, tested scripts against a written specification ...

Senior Salesforce Developer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80,000
classes, controllers, triggers, Visualforce and web services. Experience developing Salesforce integrations using REST and SOAP APIs. Strong knowledge of SOQL, SOSL, dynamic queries and performance optimisation. Experience writing unit tests and applying code quality and coverage best practices. Knowledge of asynchronous Apex, including Batch Apex, Queueable Apex and Future ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Markets is seeking a Senior Low Latency Java Developer to join our Quantitative Strategies team within Pricing & Risk, working on our high-performance, high-frequency trading platform. This is a hands-on role at the core of our market-making technology stack, where nanoseconds matter and engineering excellence … critical. You will design and build ultra-low latency pricing and risk systems that directly power our global trading operations. If you thrive in performance critical environments and want your work to have real market impact, we would love to hear from you. Please note that this ...

C# Software Engineer (Mid and Senior) - Global Hedge Fund - C# & Python : £100-160k

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
infrastructure that underpin a sophisticated trading operation. As a C#/.NET Software Engineer, you’ll be involved in designing, developing and improving high-performance, low-latency software used across the firm's trading and research ecosystem. You’ll have the opportunity to work on: High-performance C# …/.NET applications and services Trading, market data and execution systems Real-time, event-driven architectures Distributed systems and messaging Performance optimisation and concurrency Internal tooling and platforms supporting quantitative research Designing robust, scalable software in a highly performance-sensitive environment We’re interested in software engineers ...

Senior Backend Engineer (Node/TS) | Fully Remote | AI Fintech Scale-up | Up to £100k + Benefits

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
focused interfaces using modern JavaScript frameworks Partner with product leaders and AI specialists to translate concepts into stable, deployable solutions Contribute to system reliability, performance optimisation and engineering best practice Tech Stack: Back end: Node.js, TypeScript, NestJS Front end: React and modern front end tooling Cloud: AWS including ...

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 ...

Adobe Experience Manager

Location
City Of London, England, United Kingdom
Experience with Adobe Assets, Adobe Marketo , and familiarity with Adobe Analytics and Adobe Target (advantageous). Strong understanding of web application security, scalability, and performance optimization . Experience migrating legacy content into AEM, including scripting and automating content workflows. Familiarity with Adobe I/O , GraphQL , and Content Fragment ...

Staff Python Engineer (ML)

Location
City Of London, England, United Kingdom
including speccing, architecture, development, testing, deployment, release and monitoring Strong skills in building maintainable tests, observability and tracing systems. Knowledge of best practices for performance optimisation, memory management. Familiarity with Kubernetes , Docker and other cloud infrastructure, ops and containerised tools. Strong analytical and troubleshooting skills – methodically decomposing systems ...