1 to 25 of 29 Performance Optimisation Jobs in the City of London

C++ Developer

Location
City Of London, England, United Kingdom
Trading Algorithm Strategist – Cash Equities & Algorithmic Trading – London/Hybrid (C++, Algorithmic Trading, Quantitative Trading Strategies, Cash Equities, Low-Latency Systems, High-Performance Computing, Smart Order Routing, Best Execution, Market Data, Order Execution, Linux, TCP/IP, UDP/Multicast, Python, Distributed Systems, Software Architecture, Performance Optimisation … algorithmic execution solutions across the cash equities markets. You will sit within a highly technical Algo Development team, working on the design, development and optimisation of high-performance trading algorithms that directly influence how institutional clients execute their orders. This is a hands‐on engineering position combining software ...

Senior Data Engineer

Location
City Of London, England, United Kingdom
support AI-driven analytics, recommendations, forecasting, and intelligent automation. Optimise cloud data platforms for AI scalability, including data lakehouse architectures, semantic layers, and high-performance data retrieval patterns. Stays current with Snowflake features, best practices, and industry trends in cloud data platforms. Performs additional related duties as assigned. Knowledge … complex SQL queries and stored procedures Database stored procedures, functions, views, and schema design Using Streams, Tasks, Time Travel, and Cloning Proficiency in database performance tuning and performance optimisation — clustering, warehouse sizing, caching, etc. Experience configuring external stages to integrate with cloud storage (AWS S3, Azure Blob ...

AWS Cloud Engineer

Hiring Organisation
Anson Mccade
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
streamline engineering workflows. Collaborate with technical colleagues and stakeholders to understand requirements and develop effective solutions. Implement monitoring, logging and observability practices to maintain performance and reliability. Identify opportunities to improve cloud architecture, operational efficiency and cost management. Work within Agile teams, sharing knowledge and contributing to continuous improvement. … such as Kubernetes, EKS or ECS. Experience with CI/CD tools such as Jenkins, Bamboo, TeamCity or Bitbucket. Understanding of cloud monitoring, observability, performance optimisation and FinOps. Experience with automated testing frameworks and continuous integration practices. Working knowledge of Linux, networking, routing and firewalls. Package and Benefits ...

Senior Software Engineer

Location
City Of London, England, United Kingdom
endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full‐Stack Development: Develop responsive and performant front‐end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect … development teams and managing large‐scale projects. Database Expertise: In‐depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem‐Solving: Ability to troubleshoot complex technical ...

Senior Platform Engineer - Azure Data & AI Platform

Location
City Of London, England, United Kingdom
Synapse, and other data services Set up and maintain CI/CD for Databricks notebooks, jobs, and infrastructure Work with data engineers on performance optimization, cost control, and platform capabilities MLOps & AI Platform (20%) Build ML model deployment pipelines using Azure ML, Databricks MLflow, or both Implement model versioning ...

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 Salesforce Developer

Hiring Organisation
Morson Edge
Location
City of London, South East, United Kingdom
Employment Type
Temporary Contract, On-site
Salary
£550 - 625 per day + 12 months
from technical design and development through to testing, deployment and ongoing platform optimisation. You'll combine project delivery with platform support, contributing to the performance, stability and continuous improvement of our Salesforce estate. Key Responsibilities Design, develop and implement scalable Salesforce solutions using Apex, Lightning Web Components (LWC), Salesforce … business requirements and translate them into robust technical designs and scalable Salesforce solutions. Refactor complex codebase architectures, improve code quality and optimise Salesforce platform performance and Governor Limits. Manage source control, deployments and release pipelines using Azure DevOps. Troubleshoot technical issues, resolve incidents and manage BAU requests as part ...

Lead AI Solution Architect – Customer

Location
City Of London, England, United Kingdom
data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … cloud data platforms. Make key architectural decisions covering technology selection, integration patterns, build-versus-buy approaches, security, governance, performance and operational support. Lead multidisciplinary delivery teams of engineers, data scientists and AI specialists, providing technical direction from initial concept through to production deployment and optimisation. Design solutions that meet ...

AI Technical Delivery Manager (Customer)

Location
City Of London, England, United Kingdom
data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … scalability and cost, working with the solution architect where one is assigned. Identify technical and delivery risks early, including data quality issues, integration complexity, performance bottlenecks, cost overruns and operational readiness concerns, and raise them with the delivery lead together with options for addressing them. ...

AI Solution Architect – Customer (CL8)

Location
City Of London, England, United Kingdom
data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … cloud data platforms. Contribute to architectural decisions covering technology selection, integration patterns, build-versus-buy approaches, security, governance, performance and operational support, and document the rationale so decisions can be reviewed and reused. Provide technical direction to small delivery teams of engineers, data scientists and AI specialists, from initial ...

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 ...

C++ Exchange Developer

Hiring Organisation
Huxley Associates
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£120000 - £150000/annum
handling, matching engines and market data services. Take ownership from initial design through implementation, testing and deployment. Are you passionate about building ultra-high-performance systems that operate at the heart of financial markets? Join a world-class engineering team responsible for one of Europe's largest pan-European … opportunity to solve complex technical challenges, influence system design, mentor talented engineers, and shape the future of modern electronic trading. Build High-Performance Trading Systems Design, develop and enhance low-latency C++ applications across five equities trading environments Deliver robust, scalable and production-ready solutions with a strong focus ...

Senior Front Office Developer - Trading

Hiring Organisation
CMC Markets UK Plc
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
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 ...

Senior Machine Learning Engineer (Large Systems)

Location
City Of London, England, United Kingdom
contribute to advancing AI technology by developing and optimising AI models tailored to our specialised hardware. You will work on large scale systems where performance is critical to the success of our projects. Working closely with the Software development and Research teams, you will play a critical role … models on cutting‐edge hardware, we’d love to hear from you! Responsibilities and Duties Implement latest machine learning models and optimise them for performance and accuracy, scaling to 1000s of accelerators. Test and evaluate new internal software releases, provide feedback to software engineering teams, make necessary code fixes ...

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 ...

Data Science Associate Manager

Location
City Of London, England, United Kingdom
data, analytics and AI by creating more relevant, personalised and effective customer experiences. Our expertise spans customer insight, data strategy and platforms, advanced analytics, performance optimisation, and AI (including generative AI and agentic AI) transformation. You will join the Song AI & Data UK practice, within the AI & Modelling … production and measurable client value. Make the technical decisions on your workstream, covering analytical approach, model and architecture selection, evaluation, guardrails, and cost and performance trade-offs. Apply techniques included segmentation, experimentation, propensity modelling, churn prediction, customer lifetime value and next-best-action modelling to generate insight and improve ...

Python Software Engineer - Data Infrastructure

Location
City Of London, England, United Kingdom
degree with high mathematical and computing content e.g. Computer Science, Mathematics, Engineering or Physics Familiarity with distributed systems and orchestration Experience with performance optimization and large-scale data processing Contributions to open-source projects Experience with market data Expertise in streaming or real-time data processing Inclusion, Work-Life ...

Systems & Cloud Engineer

Hiring Organisation
Larbey Evans Ltd
Location
City of London, Greater London, UK
escalation support, and operational oversight for core enterprise infrastructure, including VMware, Windows Server, Active Directory, DNS, and DHCP \n Drive infrastructure design, capacity planning, performance optimisation, root cause analysis, and continuous service improvement \n Participate in an on-call rota and collaborate across teams to maintain service availability ...

Product Engineer (Backend)

Location
City Of London, England, United Kingdom
evolution and scaling of our backend infrastructure Design and implement performant APIs and services Build infrastructure to support cutting‐edge AI capabilities Optimise database performance and query efficiency Continuously improve reliability and observability through enhanced monitoring and alerting Collaborate cross-functionally to ensure our infrastructure supports continuous product innovation … using Terraform) Deep knowledge of relational databases (we use PostgreSQL) Familiarity with serverless architectures (we love lambdas!) Solid understanding of security best practices and performance optimisation As a person, you... Are first and foremost abuilder Are excited towork in-personfrom our office in London (most of the time ...

Team Lead, Software Engineering

Location
City Of London, England, United Kingdom
deployment and operational practices. Experience/Competences Essential Strong hands‐on expertise in modern C++ (C++17 or later), including multithreading, concurrency, memory management and performance optimisation. Proven commercial experience developing and supporting native C++ applications on Linux. Strong knowledge of Linux development and debugging tools, including GCC/Clang … commitment to automated testing, maintainable software and reliable production delivery. Desired Hands‐on experience with AWS EKS and associated AWS services. Experience operating high‐performance C++ services in containerised production environments. Experience with CI/CD pipelines, infrastructure automation and cloud‐native deployment practices. Knowledge of TCP/ ...

KDB Developer

Location
City Of London, England, United Kingdom
Define architecture for ticker plants, RDB, HDB, gateways and feed handlers. Design scalable and highly available systems for large-volume market data. Lead KDB+ performance tuning, capacity planning and database optimisation. Requirements: Strong hands‐on experience in KDB+ and q programming. Good understanding of KDB+ database architecture and data … modelling. Experience with real-time market data and time‐series data. Experience handling high‐volume, low‐latency financial market data. Strong knowledge of performance optimisation, partitioning and data storage. Proven experience designing tick, RDB, HDB and real‐time data platforms. #J-18808-Ljbffr ...

Data Architect

Hiring Organisation
83zero Limited
Location
City of London, South East, United Kingdom
Employment Type
Temporary Contract, On-site
Salary
£400 - £450 per day
architectural decisions. Desirable Experience CQRS and event-driven architecture. Microservices and distributed systems. Cloud platforms including GCP or AWS. Database scalability, resilience, partitioning and performance optimisation. ...

AIML Software Engineer, AI for Science

Location
City Of London, England, United Kingdom
will be accountable for keeping them reliable in production. This is hands-on software and platform engineering: building robust, well-tested, high-performance systems that scientists across GSK depend on every day, on modern cloud technology and the vast biomedical data sources available to us. Team Culture The AI4S … compute. Develop and maintain cloud-native architectures that enable reliable deployment and scaling of AI/ML workloads. Deliver robust, tested and high-performance code in an agile environment, and work closely with ML engineers and domain experts to make the infrastructure fit for purpose. Qualifications & Skills A degree ...

Java Software Engineer — Associate Manager (Agile Delivery)

Location
City Of London, England, United Kingdom
agile, scrum-driven team to deliver critical functionality and digital transformation engagements. You will collaborate across disciplines, implement tests, and contribute to design and performance optimisations while maintaining adherence to open standards and best practices. #J-18808-Ljbffr ...

Senior Manager Cloud Solutions Projects

Location
City Of London, England, United Kingdom
scalable, secure, and cost-effective cloud solutions. Work with cloud architects and engineers to define best practices for cloud adoption. Ensure security, compliance, and performance optimization in cloud environments. Stakeholder & Client Management Act as the primary point of contact for clients, understanding their business needs and providing tailored cloud … methodologies to enhance project execution efficiency. Stay updated with emerging cloud technologies and recommend innovative solutions. Continuously evaluate and improve cloud strategies to optimize performance and cost. Required Qualifications & Skills Technical Skills Cloud Expertise : Strong experience in AWS, Azure, or Google Cloud (certifications preferred). Infrastructure & DevOps : Hands ...