26 to 48 of 48 Performance Optimisation Jobs in the South East

Senior Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£165,000 - £185,000 per annum
Have you built low-latency, high-performance systems and want to work at the cutting edge of crypto trading infrastructure? Senior Software Engineer (C++) - Crypto Trading Salary: up to £185k + bonus + RSUs Location: Fully Remote We are delighted to be continuing our partnership with a globally established … mission to accelerate global crypto adoption, and are looking for experienced C++ Engineers to help build one of the most scalable, secure, and high-performance trading platforms in the market. You'll join a globally distributed Trading Technology team, working on critical backend services including matching engines, market data ...

KPI Developer

Hiring Organisation
Technical Staffing Resources Limited
Location
Leatherhead, Surrey, South East, United Kingdom
Employment Type
Contract
current service to new service. This went live October 2025 and there is now a multi-organisational Programme underway of hypercare, stabilisation and optimisation of platforms and services. Led by the senior team that mobilised the platform, KBR have in place a multi-disciplinary technology team deployed to deliver … Devops Agile Environment with differing skill levels. Experience of Implementing advanced DW techniques, including but not limited to SCD, index strategies, Dimensional Modelling, Performance Optimisation Able to communicate a technical solution to a wide audience of technical and non-technical colleagues and clients. Qualifications/Certifications Requirements Educational ...

Senior Full Stack Engineer

Hiring Organisation
RSMB
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 per annum
Senior Full Stack Engineer role: This role sits within the Development team in the Technology department and is critical to delivering scalable, high-performance, data-driven products. You will work across the full stack, contributing to backend services, APIs, and frontend applications, while collaborating closely with data science, product … focused mindset. Key responsibilities as our Senior Full Stack Engineer will include: Full Stack Development & System Design Designing and building scalable, maintainable, and high-performance applications across backend and frontend layers. Developing backend services using Python and SQL, with integration into Azure-based infrastructure and Snowflake data platforms. Building ...

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 ...

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 ...

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 ...

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 Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £525 per day
Salesforce architecture across enterprise programs Provide hands-on architectural guidance for Apex, Lightning Web Components (LWC), Flows, automation, security, and performance optimization Establish and enforce Salesforce architectural standards, design patterns, and best practices Review solution designs to ensure scalability, resilience, security, and maintainability Security & Data Architecture Define and enforce ...

Rust Developer

Hiring Organisation
XPERT-CAREER LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 per day
Rust Developer – Contract Opportunity Role Overview A leading technology-driven trading firm is seeking an experienced Rust Developer to join its high-performance engineering team. In this role, you will play a key part in designing, developing, and maintaining low-latency, mission-critical trading systems. This opportunity offers … fast-paced and intellectually stimulating environment where your work will have a direct impact on business performance. Key Responsibilities Develop and maintain high-performance trading applications using Rust Write clean, scalable, and well-tested code Collaborate closely with engineers, quantitative analysts, and operations teams to deliver reliable solutions Contribute ...

Tech Specialist

Hiring Organisation
Tech Mahindra
Location
Reading, England, United Kingdom
Cypress, JIRA, Xray, Postman, AI enabled Testing Solution (AVO, AccelQ, UiPath), Plutora, Apwide Golive , AWS/Azure/GCP basic fundamentals, Unix shell Scripting,Performance Engineering Methodology, SRE, LoadRunner, J-Meter, Dynatrace, Splunk. Gremlin, Postman, Performance Testing process, Telecom Domain, Thought Leadership and Program Management Key Responsibilities: Design … test environment infrastructure, including hardware, software, and network resources. Environment Design: Design and configure test environments to meet the needs of testing teams. Design Performance Test Strategy and Plans: Develop comprehensive performance test strategies and plans to be implement across program level. Thought Leadership : Keep up to date ...

Embedded Software Engineer

Hiring Organisation
Premier Group
Location
Crawley, England, United Kingdom
C++/C. Experience working with real-time systems and scheduling (RTOS concepts or similar). Understanding of memory management, timing constraints, and performance optimisation in embedded environments. Experience with board bring-up, hardware validation, and fault finding. Familiarity with reading schematics and working alongside electronics engineers. Experience ...

Infrastructure Engineer

Hiring Organisation
PLANET RECRUITMENT SERVICES LTD
Location
Windsor, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
core networking concepts (DNS, DHCP, firewalls, secure connectivity). PowerShell or automation experience to improve efficiency and consistency. Experience supporting high availability, resilience and performance optimisation within cloud environments. Experience operating at 2/3 line support level within an enterprise infrastructure environment. Strong written and verbal communication ...

Software Engineer - Aerospace - Oxfordshire

Hiring Organisation
Bond Williams Limited
Location
Kidlington, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
company is building a unified software platform that consolidates commercial and internal engineering tools. This platform will accelerate their design exploration, enabling faster performance optimization and rapid scaling for new applications. They are seeking a motivated Software Engineer to develop this platform. Working alongside Aerothermal Designers and Mechanical Engineers ...

SAP BODS Admin

Hiring Organisation
Global Enterprise Partners
Location
Milton Keynes, England, United Kingdom
seeking a SAP BODS Administrator to support and maintain a business‐critical data integration and BI platform. The role focuses on system stability, upgrades, performance optimisation, and user support across SAP and Tableau environments within a long‐term programme. Key Responsibilities Deliver SAP BODS upgrades, patching, and routine … maintenance. Perform pre‐upgrade impact assessments, testing, and rollback planning. Monitor system performance and optimise configurations. Provide 2nd/3rd line support for SAP BusinessObjects and Tableau users. Troubleshoot reporting, connectivity, and performance issues. Support backup, recovery, and disaster recovery activities. Maintain operational documentation and system health reporting. ...

Principal Engineer - Fortinet

Hiring Organisation
Telent Technology Services Limited
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Permanent
7. Reporting into the Head of Focal Engineering, the Fortinet Principal Engineer will be responsible for leading the design and delivery of secure, high-performance Fortinet SD-WAN solutions for our enterprise and public sector customers. This is a hybrid working role, with a requirement … trust concepts) Experience designing large-scale, resilient, multi-site network architectures Strong ability to produce HLDs, LLDs, and technical design documentation Excellent troubleshooting and performance optimisation skills Strong stakeholder management and communication skills (technical and non-technical audiences) What we offer: A career at Telent can span many ...

Oracle Database Administrator

Hiring Organisation
Fuel Recruitment
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 800 Daily
high-security public-sector environment. Your work may include: Install, configure, patch, and upgrade Oracle Database Manage backup/recovery (RMAN), monitoring, performance tuning, and DR. Administer users, roles, auditing, and security hardening. Support high-availability setups (RAC/Data Guard). Troubleshoot incidents and provide on-call support. … Strong Oracle DBA experience in secure or regulated environments. SQL/PLSQL expertise, Linux skills, and automation/Scripting exposure. Experience with RAC, ASM, performance optimisation, and secure configurations. Familiarity with public-sector security standards and operational controls. ...

SAP Archiving Architect - up to £85,000 + Bonus + Benefits

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
/Architect to lead the end-to-end archiving strategy across a complex, high-volume SAP landscape. This role will focus on improving system performance, reducing data growth, ensuring regulatory compliance and supporting long-term SAP platform sustainability across ECC and S/4HANA environments. Responsibilities … business, audit and compliance needs Deliver hands-on configuration and execution using SARA, ADK, ArchiveLink and ILM Reduce database growth and improve system performance and storage efficiency Ensure readiness for audit, retention and regulatory requirements Work closely with Basis, Functional, Security and Audit teams Define governance standards, controls ...

Data Platform Engineer Microsoft Fabric

Hiring Organisation
Interact Consulting Limited
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
design and build a modern enterprise data platform using Microsoft Fabric. Youll play a key role in architecting a secure, scalable and high-performance cloud environment that enables advanced analytics and data-driven decision making. This is a hybrid role with 1 day a week in the Milton Keynes … data pipelines, lakehouse/warehouse solutions and semantic models. Implement Platform as Code (terraform) and CI/CD practices. Ensure security, governance, monitoring and performance optimisation. Lead incident resolution and continuous platform improvement. Essential Skills Proven experience building enterprise cloud data platforms. Strong hands-on expertise in Microsoft Fabric ...

Angular Fullstack Developer

Hiring Organisation
Soch Inc
Location
Farnham, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
handling between frontend and backend through efficient API integration. Troubleshoot and resolve frontend issues while maintaining high code quality and following best practices for performance optimization. HTML/CSS, TypeScript and Java, open source frameworks, RESTful web services, and work on cross-browser and cross-device development Experience … representative, at all job levels. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability ...

SIEM Engineer

Hiring Organisation
Sopra Steria
Location
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
25 days holidays, 6% Contributory pension, 4 x life Insurance
successful candidate may also participate in an out-of-hours call-out rota. What you will be doing: Lead the deployment, management and optimisation of Splunk Enterprise and Splunk ES platforms in large, complex environments. Support and develop capability in Elastic Stack/Elastic Security, with training and upskilling … processes. Automate workflows and platform configurations using CI/CD, SOAR, scripting and Infrastructure as Code tools such as Terraform and Ansible. Ensure platform performance, stability and resilience through capacity planning, high availability, disaster recovery and proactive monitoring. Provide technical leadership and guidance to internal teams and clients ...

Embedded Data Scientist

Hiring Organisation
Lorien
Location
Drayton St Leonard, Oxfordshire, UK
Employment Type
Full-time
Python and ML frameworks (TensorFlow, PyTorch). Strong statistical and analytical skills. Experience with a wide range of Data Science techniques (e.g. ML, Optimisation, Simulation, GenAI, etc.). Demonstrated ability to take models from design through to production deployment, including performance optimization, monitoring, and integration into business workflows ...

Senior Marketing Executive

Hiring Organisation
Michael Page Marketing
Location
Basingstoke, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£36,000 - £40,000 per annum
Senior Marketing Executive drives high quality B2B pipeline growth through data led, digital campaigns, with a strong focus on ABM, marketing automation, and performance optimisation. Client Details My client is a UK based digital and network services provider delivering secure technology solutions to public sector and regulated organisations, with … using data to identify high-value accounts, personas, triggers, and intent signals. Leverage AI and automation to scale personalised outreach, improve planning, and enhance performance across the funnel. Measure, report, and continuously optimise performance using KPIs, attribution, insights, and A/B testing. Profile A successful Senior Marketing ...

Demand Generation Manager

Hiring Organisation
Job Board Direct
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £45,000 per annum
Europe and US. Your role is to turn that strategy into a functioning system that consistently generates qualified opportunities through structured workflows, automation, and performance optimisation. This is a build-and-run role, requiring someone who can design infrastructure, implement it end-to-end, and continuously improve it using … playbooks aligned to ICPs f Build an always on paid strategy platforms Generate consistent flow of qualified, sales-ready opportunities Create clear visibility of performance across the funnel Continuously optimise system efficiency through data Build outreach systems (email, ABM) Create campaign workflows and sequencing Analyse and report on performance ...