51 to 69 of 69 Performance Optimisation Jobs in the South East

Protocol Stack Engineer

Hiring Organisation
Mars Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£80000 - £90000/annum plus benefits
custom SDR-based networks. The successful candidate will work across embedded software, modem integration, and real-time communications environments to deliver high-performance and robust wireless solutions. Protocol Stack Engineer e ssential experience: degree in Computer Engineering, Electronic Engineering, Telecommunications, Computer Science, or equivalent industry experience; strong proficiency … session management; familiarity with RTOS, embedded Linux, multi-threaded systems, and low-level debugging tools; experience using protocol analysers, logging frameworks, profiling tools, and performance optimisation techniques; strong analytical and debugging skills, with the ability to diagnose issues across multiple layers of the modem stack; ability to collaborate ...

Senior Java Developer - BSS/OSS - HYBRID

Hiring Organisation
Proactive Appointments
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
join a Software Engineering team delivering enterprise-scale solutions. This is a hands-on role where you'll design, develop and enhance high-performance applications while collaborating with architects, project managers and cross-functional teams. You'll also mentor junior developers and help drive engineering best practices. Key Responsibilities … enterprise software solutions. Analyse business requirements and contribute to technical design. Develop new features and product enhancements. Carry out code reviews, unit testing and performance optimisation. Support integration testing, bug fixing, releases and deployments. Collaborate within Agile teams, contributing to sprint planning and estimations. Produce technical documentation and promote ...

Senior Data Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £650 per day
consolidation of real-time analytics platforms onto a scalable architecture. Enhance and optimise the lakehouse environment, including schema management, data contracts, partitioning strategy, and performance optimisation. Build reliable, production-grade data foundations that support analytics, machine learning, and data science initiatives. Establish and promote engineering best practices across infrastructure … with Kubernetes and infrastructure as code approaches. Ability to partner effectively with data scientists, analysts, and business stakeholders. Strong understanding of data platform reliability, performance, scalability, and cost optimisation. Experience with technologies such as ClickHouse, Apache Iceberg, BigQuery, dbt, Elasticsearch, Druid, GCP, or AWS is highly desirable. ...

Principal Software Engineer (Mobile)

Hiring Organisation
Jobleads-UK
Location
Windsor, England, United Kingdom
your deep mobile engineering expertise to identify opportunities, shape future capabilities and drive product outcomes. Maintain a strong understanding of business priorities, platform performance and engineering operating costs, helping teams balance innovation, value and sustainability. Delivery Support teams in adopting effective delivery practices, including iterative development, estimation, prioritisation … continuous value delivery. Monitor delivery health and team performance, proactively identifying risks, removing blockers and driving improvements across ways of working. Guide teams through technical and delivery challenges, ensuring a focus on simplicity, quality and customer value. Engineering Define and drive the technical strategy, architecture and standards ...

C++ Developer

Hiring Organisation
Addition
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 per day
Linux as part of a wider modernisation programme. Refactor and modernise legacy components while maintaining stability and existing functionality. Build and enhance high-performance, low-latency, server-side systems supporting a live platform. Integrate platform services with AWS where required as part of the wider cloud programme. … Windows and Linux environments is essential. Demonstrable experience modernising, upgrading and maintaining large, legacy C++ platforms. Strong understanding of multithreading, concurrency, memory management and performance optimisation. Server-side development experience with solid networking fundamentals, including TCP. Strong unit testing practices and experience working with CI/CD pipelines. Experience ...

Senior Software Engineer, Windows/Desktop Applications - Reading, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Reading, England, United Kingdom
related UI frameworks), C#, XAML, and — when needed — C++. Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft … full lifecycle of features: conception → design → implementation → testing → release → maintenance. Ensure quality, reliability, and consistency across releases. Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, or compatibility problems — and propose robust architectural or design solutions. An ideal candidate should have Required 3+ in Windows desktop ...

Senior Software Engineer, Windows/Desktop Applications - Brighton, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Brighton, England, United Kingdom
related UI frameworks), C#, XAML, and — when needed — C++. Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability. Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft … full lifecycle of features: conception → design → implementation → testing → release → maintenance. Ensure quality, reliability, and consistency across releases. Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, or compatibility problems — and propose robust architectural or design solutions. An ideal candidate should haveRequired: 3+ in Windows desktop application ...

Power BI Consultant (Platform/Semantic Models)

Hiring Organisation
Access Computer Consulting plc
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£395 - £400 per day
designing, developing and supporting enterprise-scale Power BI semantic models , with a particular focus on semantic model architecture, automated refresh, dataset partitioning, governance and performance optimisation. You must have hands-on experience with: Enterprise Power BI semantic models Advanced DAX, semantic modelling and performance tuning VertiPaq, composite models … aggregations and query optimisation Incremental Refresh and dataset partitioning XMLA Endpoints, Tabular Editor and DAX Studio Power BI Service, governance and Row Level Security (RLS) Strong SQL and dimensional modelling Experience with Power BI Premium, Microsoft Fabric, Python or Financial Services/Risk Reporting would be advantageous. If this ...

Retail Media Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
COMPANY: This leading retailer is investing heavily in its Retail Media capability and is looking for an experienced Retail Media Analyst to support the optimisation and measurement of media performance across multiple customer touchpoints. This is an opportunity to work with a well-established brand, helping shape … advanced campaign measurement, strategic analysis, and stakeholder consulting. You'll work across a wide range of marketing channels, partnering with commercial teams to optimise performance and drive better business outcomes. Your responsibilities will include: Measure and evaluate the performance of retail media campaigns across multiple channels. Partner with ...

Digital Marketing Analyst - 12 Month FTC

Hiring Organisation
Lead Talent Group Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£40,000 - £55,000 per annum, Pro-rata
responsible for knitting together data from multiple platforms and sources to create a clear end-to-end view of the customer journey - turning complex performance data into clear, actionable insight that drives commercial impact. Working closely with marketing, product, UX, CRO and journey teams, you will provide analytical expertise … shaping campaign strategy, your insights will directly influence how we attracts and serves business customers online. Key Responsibilities Analyse digital, marketing, and customer journey performance to support business growth objectives. Provide actionable insight on website performance, funnels, conversion rates, and customer behaviour. Support optimisation of journeys, landing ...

Senior Technical Support Engineer

Hiring Organisation
Orion Electrotech Sales
Location
High Wycombe, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£40,000
Senior Technical Support Engineer Provide advanced technical support across customer sites and partner networks. Support major installations, commissioning activities, validation processes, and performance optimisation. Investigate system faults and implement effective corrective actions. Participate in product testing and evaluation programmes, providing valuable performance feedback. Produce and maintain technical documentation ...

SAP Developer

Hiring Organisation
JLA Resourcing Ltd
Location
Fareham, England, United Kingdom
organisation's on-premises SAP environment. Working within a collaborative team, you'll develop new functionality, resolve complex technical issues and support the ongoing performance of the SAP platform. Key responsibilities include: Developing and maintaining custom SAP ABAP solutions. Providing second and third-line SAP technical support. Creating reports … following: SAP ABAP development. Object-Oriented ABAP. SAP S/4HANA and/or SAP ECC. SAP application support. Technical design and performance optimisation. Debugging and troubleshooting. SAP enhancements, including User Exits, BAdIs and the Enhancement Framework. Experience supporting any of the following SAP modules would be advantageous: Warehouse ...

SAP ABAP Developer

Hiring Organisation
JLA Resourcing Ltd
Location
Fareham, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
organisation's on-premises SAP environment. Working within a collaborative team, you'll develop new functionality, resolve complex technical issues and support the ongoing performance of the SAP platform. Key responsibilities include: Developing and maintaining custom SAP ABAP solutions. Providing second and third-line SAP technical support. Creating reports … following: SAP ABAP development. Object-Oriented ABAP. SAP S/4HANA and/or SAP ECC. SAP application support. Technical design and performance optimisation. Debugging and troubleshooting. SAP enhancements, including User Exits, BAdIs and the Enhancement Framework. Experience supporting any of the following SAP modules would be advantageous: Warehouse ...

Account Director

Hiring Organisation
Jobleads-UK
Location
Leatherhead, England, United Kingdom
within existing accounts by identifying opportunities for upselling, cross-selling, and introducing new solutions aligned with client objectives. Conduct regular account reviews to assess performance, uncover growth potential, and ensure alignment with client strategies. Build and execute account development plans that deliver measurable revenue growth and strengthen long-term … maintain competitive advantage. Commercial Management Lead commercial discussions and negotiations to secure mutually beneficial agreements, ensuring compliance and protecting organisational interests. Monitor account performance against agreed KPIs, including revenue growth, retention, and satisfaction metrics. Work closely with legal and finance teams to manage contracts, renewals, and pricing strategies effectively. ...

Account Director

Hiring Organisation
Jobleads-UK
Location
Portsmouth, England, United Kingdom
within existing accounts by identifying opportunities for upselling, cross-selling, and introducing new solutions aligned with client objectives. Conduct regular account reviews to assess performance, uncover growth potential, and ensure alignment with client strategies. Build and execute account development plans that deliver measurable revenue growth and strengthen long-term … maintain competitive advantage. Commercial Management Lead commercial discussions and negotiations to secure mutually beneficial agreements, ensuring compliance and protecting organisational interests. Monitor account performance against agreed KPIs, including revenue growth, retention, and satisfaction metrics. Work closely with legal and finance teams to manage contracts, renewals, and pricing strategies effectively. ...

Account Director

Hiring Organisation
Jobleads-UK
Location
Reading, England, United Kingdom
within existing accounts by identifying opportunities for upselling, cross-selling, and introducing new solutions aligned with client objectives. Conduct regular account reviews to assess performance, uncover growth potential, and ensure alignment with client strategies. Build and execute account development plans that deliver measurable revenue growth and strengthen long-term … maintain competitive advantage. Commercial Management Lead commercial discussions and negotiations to secure mutually beneficial agreements, ensuring compliance and protecting organisational interests. Monitor account performance against agreed KPIs, including revenue growth, retention, and satisfaction metrics. Work closely with legal and finance teams to manage contracts, renewals, and pricing strategies effectively. ...

S/4 Senior ABAP Consultant

Hiring Organisation
Unipart
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
delivery of internal technical training, developer hackathons, and knowledge-sharing workshops focused on modern S/4HANA programming models. Conduct deep-dive code reviews, performance optimisations, and automated testing via the ABAP Test Cockpit (ATC) to ensure stable deployment. About You Wed love you to have the following skills … proven aptitude for mentoring junior developers and confidently defending technical designs in front of client technical teams. About Unipart We are a supply chain performance improvement partner. We Design, Make, Move, and Improve components in our customers supply chains, keeping their operations and assets moving and working better ...

Software Engineer (C++/Linux Real-Time Systems)

Hiring Organisation
Defence
Location
Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Opportunity Are you an experienced Software Engineer with a passion for building high-performance, real-time systems? We are looking for a proactive and technically capable engineer to join a highly skilled development team responsible for designing, developing, integrating, and verifying advanced test and data capture systems. This … ensure accurate timing and seamless hardware/software integration. Leading and supporting integration, verification, and testing activities at both component and system level. Performing performance analysis, debugging, troubleshooting, and optimisation of real-time systems. Producing technical documentation including software architecture, interface definitions, and test procedures. What ...

Rendering Engineer

Hiring Organisation
Jobleads-UK
Location
Guildford, England, United Kingdom
develop and optimize rendering features Assist with the implementation shaders and lighting systems Coordinate across teams to achieve exceptional visual quality Work towards optimising performance and memory usage Collaborate with colleagues to maintain and enhance the rendering pipeline Research and implement cutting-edge rendering techniques Work with colleagues … demonstrate your 3D maths expertise Good knowledge of rendering techniques and algorithms, and experience with shader programming and real-time lighting Understanding of performance optimization techniques Unreal Engine familiarity Ability to work coordinate across teams A keen interest in for pushing the boundaries of what’s possible visually ...