176 to 196 of 196 Performance Optimisation Jobs in the South East

AWS Developer

Hiring Organisation
Empiric
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
with full working rights. You'll work across a modern AWS ecosystem, contributing to new feature development, architecture decisions, automation, and performance optimisation. Tech Stack You'll Work With You'll be hands-on with a wide range of AWS services, including: Compute & Serverless: Lambda, EC2 Networking & Security … scalable APIs (REST & GraphQL) Integrate event-driven workflows via EventBridge, SNS, and SQS Implement cloud-native authentication and authorisation using Cognito & IAM Optimise performance, reliability, and cost efficiency Work closely with engineering, product, and DevOps functions Ensure best practices in monitoring, logging, and security What We're Looking ...

AWS Developer

Hiring Organisation
Empiric
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
with full working rights. You'll work across a modern AWS ecosystem, contributing to new feature development, architecture decisions, automation, and performance optimisation. Tech Stack You'll Work With You'll be hands-on with a wide range of AWS services, including: Compute & Serverless: Lambda, EC2 Networking & Security … scalable APIs (REST & GraphQL) Integrate event-driven workflows via EventBridge, SNS, and SQS Implement cloud-native authentication and authorisation using Cognito & IAM Optimise performance, reliability, and cost efficiency Work closely with engineering, product, and DevOps functions Ensure best practices in monitoring, logging, and security What We're Looking ...

AWS Developer

Hiring Organisation
Empiric
Location
Crawley, West Sussex, UK
Employment Type
Full-time
with full working rights. You'll work across a modern AWS ecosystem, contributing to new feature development, architecture decisions, automation, and performance optimisation. Tech Stack You'll Work With You'll be hands-on with a wide range of AWS services, including: Compute & Serverless: Lambda, EC2 Networking & Security … scalable APIs (REST & GraphQL) Integrate event-driven workflows via EventBridge, SNS, and SQS Implement cloud-native authentication and authorisation using Cognito & IAM Optimise performance, reliability, and cost efficiency Work closely with engineering, product, and DevOps functions Ensure best practices in monitoring, logging, and security What We're Looking ...

AWS Developer

Hiring Organisation
Empiric
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
with full working rights. You'll work across a modern AWS ecosystem, contributing to new feature development, architecture decisions, automation, and performance optimisation. Tech Stack You'll Work With You'll be hands-on with a wide range of AWS services, including: Compute & Serverless: Lambda, EC2 Networking & Security … scalable APIs (REST & GraphQL) Integrate event-driven workflows via EventBridge, SNS, and SQS Implement cloud-native authentication and authorisation using Cognito & IAM Optimise performance, reliability, and cost efficiency Work closely with engineering, product, and DevOps functions Ensure best practices in monitoring, logging, and security What We're Looking ...

Java Software Engineer (Tier 1 Investment Bank)

Hiring Organisation
Radley James
Location
Slough, Berkshire, UK
Employment Type
Full-time
Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities: Develop scalable backend systems … support high-frequency FX trading Collaborate with quants and traders to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus ...

Senior Developer

Hiring Organisation
Robertson Sumner
Location
Hampshire, England, United Kingdom
scalable code and collaborative design thinking. Exposure to modern Microsoft technology stack (Azure, .NET Core, SQL). Opportunity to contribute to architecture decisions and performance optimisation. Support for continuous learning and DevOps best practices. Key Role Responsibilities: Design, develop, and support web applications using C#, ASP.NET, and SQL Server. … Build scalable, cloud-first solutions using Microsoft Azure services. Participate in architecture discussions and contribute to key design decisions. Implement robust, secure, and high-performance application features. Collaborate with QA, project, and product teams for successful delivery. Troubleshoot production issues and support legacy systems where needed. Key Attributes Required ...

Data Engineer

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
that data models support business reporting and analytics needs while optimizing query performance. Maintain data dictionaries and metadata to document data structures and relationships. Performance Optimization Optimize data storage, retrieval, and query performance by implementing indexing, partitioning, and caching strategies. Monitor data processing performance and address bottlenecks … they arise. Stay updated with best practices in data processing performance tuning. Documentation and Knowledge Sharing Create and maintain documentation for data pipelines, data transformation processes, and data integration procedures. Foster a culture of knowledge sharing within the data engineering team and across the organization. Collaboration and Stakeholder Engagement ...

Junior C# Quantitative Developer - Up to £70,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
Slough, Berkshire, UK
Employment Type
Full-time
alongside experienced quants, traders, and engineers — building and optimizing the systems that power our trading strategies. What You'll Do Develop and maintain high-performance C# applications used in research, risk, and trading Collaborate with quants to implement pricing models and backtesting frameworks Enhance data processing pipelines and contribute … performance optimization Gain exposure to financial markets, trading systems, and quantitative research What We're Looking For Strong programming skills in C#/.NET Solid grasp of computer science fundamentals (data structures, algorithms, design patterns) Analytical mindset with a genuine interest in finance and quantitative methods Bachelor ...

Staff Backend Engineer (Python | AI Lab | £170,000)

Hiring Organisation
Paradigm Talent
Location
Slough, Berkshire, UK
Employment Type
Full-time
science. You should have Deep experience building and scaling backend systems and distributed applications. Strong coding skills in Python, with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes, AWS, and modern cloud infrastructure. Proficiency with databases — schema design, performance optimization, and analytics. Familiarity with … engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance computing or large-scale scientific workloads. Expertise in data pipeline architecture and real-time streaming systems. Knowledge of scientific or biological computing environments. This ...

Data Engineer

Hiring Organisation
City + Capital
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum, Negotiable
time across the coming period. Due to these increasing levels of high activity, they are generating more and more customer and performance data than ever before and are embarking on a key project to best manage & utilise this. An agile and robust data management and utilisation plan will … Analysts you will enable scalable reporting, clean data flows, and analytics-ready datasets that underpin everything from product development and underwriting to compliance and performance tracking. You’ll take ownership of automated data pipelines, cloud infrastructure within Microsoft Fabric, and integrations with platforms like Salesforce and core lending systems. ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

Python Developer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £180,000 per annum
rigorous scientific research, and deep expertise across trading, technology, and operations. As a tech-driven organization, we develop our own advanced systems, including high-performance trading platforms and large-scale data analysis infrastructure. With a global presence, we emphasize collaboration across investment, technology, and operations teams, ensuring seamless integration … across our offices worldwide. Within this Reliability team, you’ll play a vital role in maintaining the performance, stability, and availability of our software systems. You'll be working closely with mission-critical applications, developing reliability features, improving observability, and building automation tools to streamline operations. About the Role ...

C++ Software Developer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£160,000 - £170,000 per annum
C++ Software Developer, Risk Technology £160,000 to £170,000 Join a high-performance engineering group responsible for the systems that sit at the heart of a global trading operation. This team owns the core risk platform, handling everything from trade intake and real time position tracking … speed. You will work in an engineering culture that values clarity, simplicity and strong design. Expect to collaborate with colleagues across regions, refine performance at a system level and contribute to a platform that is constantly evolving as trading strategies and data volumes grow. What you bring Strong C++ ...

Sharepoint Engineer

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Sharepoint Engineer Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve complex SharePoint … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint Engineer with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Sharepoint SME

Hiring Organisation
VIQU IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
business teams. Key Responsibilities Act as the SharePoint SME, providing expert guidance across on-premise and Azure cloud environments. Lead platform upgrades, deployments, and performance optimization initiatives. Collaborate with IT teams, vendors, and business stakeholders to deliver solutions. Integrate SharePoint with SSO, MFA, and Azure services. Troubleshoot and resolve … improvements to enhance platform resilience and performance. Key Requirements Proven experience as a SharePoint SME with on-premise and cloud (Azure) environments. Strong troubleshooting, performance tuning, and problem-solving skills. Experience with SSO, MFA, and Azure integrations desirable. Excellent stakeholder management and communication skills. Proactive, analytical, and able ...

Senior ML Research Engineer

Hiring Organisation
microTECH Global LTD
Location
Guildford, Surrey, UK
Employment Type
Full-time
Location: Egham Hybrid: 3 days onsite (minimum) and 2 days working from home Rate: Very much dependant on level of experience. Key responsibilities include: Performance Optimization: Profile and debug performance bottlenecks at the OS, runtime, and model levels. Model Deployment: Work across the stack—from model conversion, quantization ...

Senior Software Engineer | 3D Graphics • Photogrammetry • Material Capture

Hiring Organisation
M-XR
Location
Slough, Berkshire, UK
Employment Type
Full-time
ready desktop application. Architect and maintain the geometry and rendering modules that underpin our material estimation technology across product and research teams. Deliver high-performance systems from raw image processing through to OpenGL-based rendering, optimized for high-resolution assets and production workflows. What you will … material capture in photogrammetry. Core Ownership Own the end-to-end 3D geometry and rendering modules and pipelines across product Develop and maintain high-performance C++ modules for 3D asset processing, OpenGL rendering, and mesh-camera visibility calculations Build Python services for pipeline orchestration, automation, and integration with ...

Senior Backend Developer (PHP)

Hiring Organisation
Tenth Revolution Group
Location
Fareham, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£60000/annum
technologies and integrate best practices into development workflows Mentor and guide other developers on technical standards Enhance and maintain existing software systems for optimal performance Required Skills & Experience Minimum 5 years of commercial experience with PHP Strong understanding of cloud infrastructure (preferably GCP) Proficiency with data storage technologies such … MySQL and NoSQL (e.g., Cassandra) Familiarity with Test-Driven Development (TDD) Excellent debugging and analytical skills Experience using code profiling tools for performance optimization Knowledge of Kubernetes is advantageous What's on Offer Competitive salary up to £55,000 Annual performance bonus of up to 10% 28 days ...

Delivery Lead - Design and Digital Products

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
help our clients imagine and deliver the next generation of web and mobile platforms, services, and ecosystems, then continuously improve and scale them through optimisation, experimentation, and innovation. You’ll work alongside strategists, designers, engineers, and analysts to bring bold ideas to life, improve customer journeys, and create measurable … within budget. · Collaborate closely with clients to define product vision, prioritise backlogs and establish delivery roadmaps grounded in measurable impact. · Partner with Experience Design, Performance, Analytics and Engineering teams to run continuous CRO and experimentation programmes that optimise performance and engagement. · Support sales and pre-sales activities, shaping ...

SAP Technical Lead

Hiring Organisation
Mentmore
Location
Reading, England, United Kingdom
side-by-side extensibility patterns, RAP model adoption, and reduction of custom code footprint during migration. Analyse and troubleshoot BTP integration latency, performance and throughput issues across ECC, S/4HANA, Fiori and cloud-based extensions, ensuring robust monitoring and error handling. Design and implement Fiori/UI5 applications … design authority, provide thought leadership to partner ABAP development teams (ECC + S/4HANA) including design reviews, coding standards, reusable framework creation, and performance optimization. Platform Support: Advise technical teams on performance, scalability, versioning, reliability, monitoring, and other operational concerns of SAP solutions. Support stakeholders in troubleshooting ...

Senior Mobile Developer

Hiring Organisation
Brio Digital
Location
Southampton, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
hands-on development, technical leadership, and collaboration within a regulated medical software environment. What You'll Do Lead architecture and development of a high-performance iOS app. Work within ISO 13485/IEC 62304 processes and support product validation. Mentor developers and raise engineering standards. Collaborate with AI/… level Swift and strong SwiftUI/UIKit skills. Experience with computer vision (Core Image, AVFoundation, Vision). Deep understanding of multithreading, memory management, and performance optimisation. Strong communication and ability to mentor others. Background in regulated, healthtech, or real-time processing is a bonus. Experience 7+ years ...