126 to 150 of 277 Performance Optimisation Jobs in the UK

Head of Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
resilience, and maintainability across the platform. Roadmap Alignment : Partner with the Head of Product to align the roadmap with current delivery and future priorities. Performance & Reliability : Lead performance engineering, ensuring scalability, resilience, and capacity to support projected workloads. Production Excellence : Oversee investigation and root cause analysis of production … mission. Talent Acquisition : Recruit top engineering talent: screening, running technical and culture-fit interviews, and ensuring smooth onboarding with HR. Culture : Foster a high-performance, collaborative culture that embraces accountability, learning, and experimentation. Governance, Security & Compliance : Take ownership of security leadership within engineering: embedding secure-by-design practices, ensuring ...

Engineering Manager

Hiring Organisation
trg.recruitment
Location
London Area, United Kingdom
architecture standards, drive delivery, and evolve cloud infrastructure, working closely with Product and the CTO. Responsibilities Lead the team: 1:1s, career growth, performance, hiring Own backend architecture and design standards (DDD, clean APIs, open standards) Drive end-to-end delivery with a bias to shipping value incrementally Evolve … systems Proven engineering leadership: hiring, coaching, 1:1s, and team delivery Strong software design fundamentals: DDD, modularity, clean APIs, versioning PostgreSQL, ORMs, migrations, and performance optimisation Experience building developer platforms, multi-tenant systems, or public APIs Python (FastAPI/Flask), Docker, GitHub Actions, Cloud Run, CI/ ...

Engineering Manager

Hiring Organisation
Total Recruitment Group
Location
South West London, London, United Kingdom
Employment Type
Permanent
architecture standards, drive delivery, and evolve cloud infrastructure, working closely with Product and the CTO. Responsibilities Lead the team: 1:1s, career growth, performance, hiring Own backend architecture and design standards (DDD, clean APIs, open standards) Drive end-to-end delivery with a bias to shipping value incrementally Evolve … systems Proven engineering leadership: hiring, coaching, 1:1s, and team delivery Strong software design fundamentals: DDD, modularity, clean APIs, versioning PostgreSQL, ORMs, migrations, and performance optimisation Experience building developer platforms, multi-tenant systems, or public APIs Python (FastAPI/Flask), Docker, GitHub Actions, Cloud Run, CI/ ...

Python Developer - Financial Markets Technology

Hiring Organisation
Inspire Talent Ltd
Location
London Area, United Kingdom
trading desks Build and optimise tools for real-time market data processing Work closely with traders, quants and structurers to gather requirements Improve performance, scalability and reliability of trading systems Contribute to architecture decisions and best practice engineering standards Required Experience: Strong commercial experience in Python (essential) Experience building … risk analytics systems Experience working alongside traders or within a trading floor environment Knowledge of market data feeds and trading workflows Experience with performance optimisation or numerical libraries (NumPy, Pandas, etc.) Why Apply? Direct exposure to trading desks Business-facing, high-impact development Opportunity to work on core ...

Java Engineer (FIX / Trading APIs)

Hiring Organisation
Morgan McKinley
Location
London Area, United Kingdom
latency trading connectivity (FIX + modern APIs) This is revenue-impacting infrastructure , not internal tooling. What You’ll Be Doing Designing and building high-performance Java services powering trading APIs Developing and optimising FIX connectivity for institutional clients Owning end-to-end delivery — from design through to production Improving … They’re Looking For Strong Java engineering fundamentals in real-time or distributed systems Experience building external-facing APIs or connectivity layers Understanding of performance optimisation and system design under load Exposure to trading systems, fintech, or low-latency environments is highly relevant Engineers comfortable operating in high ...

Senior Android Developer

Hiring Organisation
Mpower Plus UK Ltd
Location
Bristol, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Android SDK , along with UI design principles, design patterns, and industry best practices Experience with offline data storage , multi-threading, and application performance optimisation Familiarity with the Android open-source ecosystem , including commonly used libraries and tools for benchmarking and optimisation Proficient in Google's Android design ...

Front End Game Developer

Hiring Organisation
1X2 Network
Location
Brighton, England, United Kingdom
Game of the Year 2020 , Branded Megaways ). Work closely with Game Designers , Artists , and Mathematicians to deliver polished, engaging slot experiences. Ensure performance optimisation across devices and browsers. Follow best practices for version control (Git/Bitbucket) and code documentation. Collaborate in an Agile development environment … challenges of regulated markets. Preferred: A degree in Computer Science, Game Development, or a related field. Experience with asset pipelines, particle systems, and game performance tuning. The Benefits of Working at 1X2 Network • Competitive salary • Long-term career prospects with development opportunities – the role is what you make ...

C Developer

Hiring Organisation
Anson McCade
Location
Manchester Area, United Kingdom
environments. The role offers exposure to complex architectures, new technologies, and challenging problem-solving scenarios. What You’ll Be Doing Designing and developing high-performance applications using modern C++ Working across the full software development lifecycle within Agile teams Enhancing and maintaining complex, distributed systems Diagnosing and troubleshooting issues … applying new technologies and approaches Engineering Environment Systems-level C++ development in Linux environments Close interaction with hardware and firmware layers Focus on performance, concurrency, and networking Working with complex protocols and low-level system behaviour This is not a web or mobile application development role What ...

Core Engineer (C++)

Hiring Organisation
NJF Global Holdings Ltd
Location
City of London, London, United Kingdom
looking to work on problems that genuinely test the limits of performance, scale, and engineering craft? We are building a small, elite team of systems engineers to design and evolve the core infrastructure that powers a highly sophisticated trading platform. This is not application level development. This is deep … work on performance critical systems where nanoseconds matter, correctness is non negotiable, and your decisions directly impact real world outcomes. You will be working on the foundations of the trading stack, including market data, execution, simulation, and internal infrastructure. The problems are hard, the standards are high ...

HPC Linux Architect

Hiring Organisation
Eclectic Recruitment
Location
SG1, Stevenage, Hertfordshire, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
fantastic opportunity has arisen for an HPC Architect to join a department to assist with the design, development, and evolution of high-performance computing infrastructure within a complex engineering environment. This role performs the duties of HPC architecture, infrastructure strategy, and system oversight, and reports to the senior leadership … term HPC architecture roadmap aligned with organisational objectives Architect large-scale HPC environments including CPU, GPU, and accelerator-based systems Design and optimise high-performance networking solutions (InfiniBand, RDMA, high-speed Ethernet) Develop scalable storage architectures including parallel file systems, object storage, and tiered storage Provide technical leadership ...

Python Developer

Hiring Organisation
Radley James
Location
City of London, London, United Kingdom
providing Python-based solutions that directly impact the profitability of the business. This is an exciting opportunity to work in a fast-paced, high-performance environment where you can push the boundaries of technology in financial markets. Key Responsibilities: Design, develop, and maintain highly efficient Python-based applications … commodities trading, risk management, and real-time data analysis. Build scalable, high-performance data pipelines to process large datasets from multiple sources, including real-time market data and fundamental data. Implement robust APIs and microservices to integrate trading systems, analytics platforms, and external data providers. Optimize performance ...

Contract Android Engineer - Central Government Project (Inside IR35)

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
handling sensitive data Desirable Skills: Experience with modern Android architecture (e.g., MVVM, Clean Architecture) Familiarity with CI/CD pipelines and automated testing Performance optimisation and app scalability experience Experience working on high-traffic or mission-critical applications What You'll Bring: A strong focus on delivery ...

Full Stack Engineer

Hiring Organisation
develop
Location
London Area, United Kingdom
React Experience with relational databases (e.g. MySQL) and ORM tools Familiarity with Docker and cloud platforms (e.g. AWS) Knowledge of modern web architecture and performance optimisation What’s on Offer Competitive salary plus equity package Hybrid working with flexible hours 25 days holiday plus bank holidays Daily meals ...

Applications Support Engineer

Hiring Organisation
FBI &TMT
Location
Harlow, London, United Kingdom
Employment Type
Permanent
OneStream in particular. Strong understanding of Service Management frameworks such as ITIL. Solid background in: Operating system management (Windows/Linux) Application troubleshooting and performance optimisation Log analysis, system monitoring, and incident management Ability to collaborate effectively with technical and non-technical stakeholders. Experience working in structured delivery ...

Platform Engineer

Hiring Organisation
Ascendion
Location
Chester, England, United Kingdom
RESTful APIs and services using Node.js Collaborate with DevOps teams to improve CI/CD pipelines and platform reliability Apply application construct experience, including performance optimization and implementation of security best practices (e.g., secure coding, threat mitigation, and system hardening ...

Software Application Engineer

Hiring Organisation
European Tech Recruit
Location
Farnborough, England, United Kingdom
concept through to product commercialization. The group contributes across the full embedded software lifecycle, including hardware and software design, feature prototyping and integration, customization, performance optimization, and debugging—ensuring successful product delivery. We are looking for an experienced Software Engineer with strong expertise in designing, developing, debugging, and optimizing ...

Java Consultant

Hiring Organisation
Stanford Black Limited
Location
City of London, London, United Kingdom
ALERT 🚨 – Lead Java Contractor 💻 Java/Distributed Systems/Event-Driven Architecture – Trading & Portfolio Tech 🕑 10+ years building high-performance, data-intensive trading systems 📍London (front-office, high-impact engineering environment) 💰 Highly competitive day rate Highlights: 🔷 Lead the design and build of scalable trading & portfolio management systems … desk 🔷 Work directly with portfolio managers and traders to deliver real-time, business-critical technology 🔷 Architect event-driven, distributed systems with strong focus on performance, resilience, and observability 🔷 Drive technical direction across microservices, data streaming, and system design in a fast-moving environment The Role: Join a high-calibre ...

Senior Manager, Product Marketing

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Strategy* Own end-to-end go-to-market strategy for AI and Data & Analytics, from initial market framing through launch execution to post-launch performance optimisation* Develop and execute comprehensive GTM plans that define target segments, buyer journeys, channel strategy, and success metrics* Lead cross-functional launch coordination … across product management, sales, field marketing, and communications* Monitor and report on product launch performance, making data-driven adjustments to maximise commercial outcomes2. Product Positioning & Value-Based Messaging* Develop and own the positioning and messaging framework for Wiley’s AI and Data & Analytics, product portfolio, ensuring differentiated positioning against ...

React Engineer

Hiring Organisation
Robert Half
Location
London, UK
Employment Type
Full-time
London based. ASAP start - 3 month contract. Role The Frontend Engineer will design, develop, and maintain user-facing features across global platform solutions, ensuring performance, scalability, and responsiveness. Build and implement multi-language UI components and localisation frameworks to support international products and users. Support currency display, regional … deliver high-quality end-to-end solutions. Contribute to the improvement of frontend architecture, design systems, and reusable component libraries. Troubleshoot and resolve frontend performance, rendering, and integration issues efficiently. * Stay up to date with modern frontend technologies and best practices, applying continuous improvement to development processes. Profile ...

Field CTO – Cloud & Applications

Hiring Organisation
Microland Limited
Location
City of London, London, United Kingdom
application platforms transformation and also long-term managed capabilities. It helps clients connect technology decisions to business outcomes such as resilience, agility, cost optimisation and operational efficiency. This role is a blend of technology leadership, executive advisory and pre-sales enablement, complementing sales, delivery and architecture teams by bringing … architectures and platform engineering DevSecOps, CI/CD and developer productivity at scale Enterprise-scale application and digital managed services, including cost, reliability and performance optimisation Key Responsibilities Executive Advisory and Client Engagement Engage confidently with senior client stakeholders across enterprise accounts. Lead executive-level discussions on cloud ...

Infrastructure Engineer (Azure)

Hiring Organisation
Hays Technology
Location
Windsor, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £55000/annum £45,000 - £50,000
contribute to the development of cloud and hybrid architecture, ensuring systems remain secure, available and scalable. Day-to-day responsibilities will include administration and optimisation of Microsoft 365 services such as Exchange Online, SharePoint, Teams and Entra ID, alongside ownership of modern endpoint management through Microsoft Intune, including Autopilot … resolution of cloud and identity related security incidents. You will also contribute to back up, disaster recovery and business continuity planning, monitor platform performance and resilience, manage certificates and domains, and work closely with third party suppliers where required. The role includes producing clear technical documentation, contributing to infrastructure ...

SAP HANA Administrator

Hiring Organisation
Network IT
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£60,000
Support & Security team, supporting the lifecycle management of Linux-based SAP HANA services. This is a hands-on technical role focused on database administration, performance optimisation, and ensuring secure, reliable infrastructure to support business-critical operations. Youll work closely with the SAP team and wider IT stakeholders … eligible for Security Clearance (SC). Key Responsibilities In this dynamic role, youll be at the heart of our clients SAP HANA infrastructureoptimising performance, solving complex database challenges, and ensuring seamless operations across critical business systems. From tuning and troubleshooting to collaborating with cross-functional teams and driving automation ...

Senior Go Engineer

Hiring Organisation
IntaPeople
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
level engineers on their Golang knowledge. You’ll have experience building scalable backend systems, along with a solid understanding of data processing, performance optimisation, and system design This is a highly regulated industry so a background in financial services or similar would be beneficial. About the role: Design … build high-performance services using Go (Golang) Develop and optimise large-scale financial calculation engines Build systems that handle and reconcile high volumes of capital, positions, and holdings accurately Design systems with scalability, reliability, and low latency in mind Work with complex, high-volume datasets and portfolio logic Collaborate ...

SC Cleared / Clearable Salesforce Marketing Cloud Developer

Hiring Organisation
Damia Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £700 per day, OTE
within Audience Builder and Contact Builder Develop and maintain Content Builder assets including emails, landing pages and dynamic content blocks Implement tracking, reporting and performance analytics using Marketing Cloud Intelligence (Datorama) and built-in analytics tools; experience with Marketing Analytics platforms is highly desirable Work with Marketing Cloud Advanced … Salesforce CRM data sync management Understanding of email compliance, GDPR, suppression and consent management requirements Experience with Marketing Cloud reporting, campaign analytics and performance optimisation Desirable Experience with Marketing Cloud Advanced (Personalization/Interaction Studio); real-time personalisation, web and email recommendations, Einstein features Familiarity with Marketing Cloud ...

Salesforce Marketing Cloud Developer

Hiring Organisation
Damia Group Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day Inside IR35
within Audience Builder and Contact Builder Develop and maintain Content Builder assets including emails, landing pages and dynamic content blocks Implement tracking, reporting and performance analytics using Marketing Cloud Intelligence (Datorama) and built-in analytics tools; experience with Marketing Analytics platforms is highly desirable Work with Marketing Cloud Advanced … Salesforce CRM data sync management Understanding of email compliance, GDPR, suppression and consent management requirements Experience with Marketing Cloud reporting, campaign analytics and performance optimisation Desirable Experience with Marketing Cloud Advanced (Personalization/Interaction Studio); real-time personalisation, web and email recommendations, Einstein features Familiarity with Marketing Cloud ...