22 of 22 Performance Optimisation Jobs in the East of England

Performance Test Engineer Performance Testing, Speed, scalability, reliability, System performance optimization, Performance test plans, Web and backend systems, Agile, JMeter, K6, LoadRunner, Gatling, Grafana, Prometheus, New Relic, CI/CD pipelines, Jenkins, Git, System architecture, APIs 6 months initial contract Remote with occasional travel to Bedford £425 - £475 – Inside IR35 We are seeking a skilled and … detail-oriented Performance Test Engineer to design, implement, and execute performance testing strategies, ensuring our applications meet high standards of speed, scalability, and reliability under load. This role involves close collaboration with the Non-Functional Test Lead, Programme Test Lead, developers, DevOps, and product managers to optimise system performance. Day-to-day of the role: Design and develop … performance test plans, scenarios, scripts, and test data. Execute performance, load, stress, endurance, and scalability tests across web and backend systems. Analyse test results and system metrics to identify performance issues and root causes. Create, maintain, and enhance performance testing frameworks and tools. Provide detailed performance test reports and dashboards, with actionable recommendations based on More ❯

This highly regarded, world leading, technology developer is urgently seeking a Chief Architect to head up their OS performance group based at their R+D centre in Cambridge. The Chief Architect will be responsible for overseeing the development, performance optimisation, simulation and modelling of a new mobile operating system. The Chief Architect will be working with a team … improving OS performance. Having completed you Degree/Masters/PhD in a relevant field you will have gained extensive experience working with CPU microarchitecture simulation (gem5, QEMU) and optimisation with some exposure to OS or mobile OS performance optimisation and simulation. Coupled with this you should be able to demonstrate significant mobile OS and/or More ❯

backend and middleware development. Experience with React for building modern, scalable web applications. Experience using version control systems (e.g., GitHub or similar). Understanding of SEO principles and web performance optimisation. Excellent verbal and written communication skills. Strong eye for UX/UI design and website aesthetics. Collaborative attitude with the ability to build rapport across teams. Eagerness to More ❯

systems. They are pioneering cutting-edge innovations in computing and are seeking exceptional talent to join their team. Your Role: You will play a crucial role in optimizing the performance of a new mobile operating systems. Your responsibilities include: Performance Optimization : Leverage your extensive experience to enhance system architecture, boost performance, and ensure efficient power consumption and … system principles to innovate and drive system improvements. Cutting-edge Innovation : Collaborate with top-tier teams to push the boundaries of mobile OS performance. Main Responsibilities : Enhancing Operating System Performance: Conduct in-depth research on runtime resource management and control policies. Investigate kernel task scheduling and SOC frequency modulation mechanisms. Analyze and collaborate between software/hardware co-design. … Identify and address Operating system performance bottlenecks. Design and implement solutions to ensure smooth and superior product performance. Researching OS Application Architecture: Build the competitiveness of key technologies in OS applications. Improve application interaction and dynamic user experience. Design and optimize high-performance core modules. Solve key technical problems in application architecture. Gain insights into industry trends and More ❯

Description C++14 or higher versions Visual Studio 2019, VxWorks, IBM DOORS, Azure DevOps, Git Strong programming expertise in C++14, with extensive experience using Visual Studio for development, debugging, and performance optimization. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. More ❯

Tools Visual Studio 2019, VxWorks, IBM DOORS, Azure DevOps, Git Essential Skills and Qualifications Strong programming expertise in C++14 , with extensive experience using Visual Studio for development, debugging, and performance optimisation. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks , including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. More ❯

Tools Visual Studio 2019, VxWorks , IBM DOORS, Azure DevOps , Git Essential Skills and Qualifications Strong programming expertise in C++14 , with extensive experience using Visual Studio for development, debugging , and performance optimisation. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks , including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. More ❯

using HTML, CSS, JavaScript, and modern frameworks (e.g., React, Vue, etc.) Build and customise Wagtail, WordPress, Shopify,or other CMS-based sites Optimise sites for speed, SEO, and mobile performance Ensure cross-browser and cross-device compatibility Collaborate with design and content teams to implement UI/UX effectively Troubleshoot bugs, fix issues, and perform ongoing maintenance Integrate third … a plus) Strong knowledge of HTML5, CSS3, JavaScript, and responsive design Experience with CMS platforms like WordPress (custom theme development), Shopify,or Wagtail Understanding of SEO principles and website performance optimisation Familiarity with Git, hosting platforms(e.g., cPanel, Plesk,Cloudflare), and dev tools Ability to manage multiple projects and deadlines Problem-solver with a strong attention to detail More ❯

to secure a Senior TM1 Developer this is a hands-on role. Will own & develop IBM Planning Analytics (TM1). The role will focus on enabling strategic Financial Planning & Performance reporting. Will lead the design, development & continuous improvement of IBM Planning Analytics (TM1). Role: Partner with Finance, FP&A and Commercial teams - understand planning, budgeting & forecasting needs. TM1 …/IBM Planning Analytics - models, cubes, dimensions and hierarchies. Build & Optimise TI Processes & TM1 Rules - automate data loads, calculations and business logic. Own Technical Development across TM1 - ensuring high performance, scalability & best-practice model design. Integrate TM1 with ERP systems (e.g., SAP) & other data sources - ensure accurate, consistent data flow. Lead improvements to existing processes - proactively enhancing efficiency and … automation with Alteryx - provide insights to support commercial decision-making. Technical Skills Required: TM1 - IBM Planning Analytics - Strong hands-on experience with Turbo Integrator (TI) scripting TM1 Rules, feeders & performance optimisation/cube, dimension & hierarchy design Building scalable, high-performance Planning, Budgeting & Forecasting Models End-to-end TM1 development lifecycle - upgrades, configuration & system administration Integration experience with More ❯

for fully documenting and recording your work products; keeping them underconfiguration managementand providing plans and progress reports. Strong programming expertise inC++14, with extensive experience usingVisual Studiofor development,debugging, and performance optimisation. Proven ability to design, implement, and maintainembedded softwareonRTOS platformssuch asVxWorks, including target integration and validation. Strong grasp ofObject-Oriented Design(OOD)principles. Strongunit testskills using tools such as More ❯

your work products; keeping them under configuration management and providing plans and progress reports. Strong programming expertise in C++14, with extensive experience using Visual Studio for development, debugging, and performance optimisation. Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including target integration and validation. Strong grasp of Object-Oriented Design (OOD) principles. More ❯

development, staging, and production environments • Manage containerized applications using Docker and Kubernetes orchestration • Implement security scanning and compliance checks within deployment pipelines • Collaborate with development teams to optimize application performance and reliability • Maintain and improve backup, recovery, and disaster recovery procedures • Support incident response and root cause analysis for production issues • Manage configuration management and secrets management solutions • Optimize … week out of 6) As well as making improvements to: • Deployment automation and release management processes • Application and infrastructure monitoring and observability • Security scanning and vulnerability management in pipelines • Performance optimization and capacity planning • Development team productivity through tooling and automation What we would like from you • Strong experience with CI/CD pipeline design and implementation (Azure DevOps More ❯

Implement firmware to interface with sensors, actuators, pumps, temperature controllers, and communication peripherals Collaborate with cross-functional teams to achieve seamless hardware/software integration Conduct debugging, validation, and performance optimisation on target hardware Participate in design and code reviews, contributing to continuous improvement initiatives Maintain and manage test tools and equipment used for development activities Your skills More ❯

developers, and drive technical excellence across the organisation. The ideal candidate will have extensive experience in FileMaker Pro , including database design, scripting, integrations (ODBC, RESTful APIs), server management, and performance optimisation. Strong expertise in security, automation, and user interface design is essential. Applicants should have proven experience leading development projects in both Agile and Waterfall environments. This is an More ❯

plans and progress reports. What experience you need to be the successful Software Engineer: Strong programming expertise in C++14, with extensive experience using Visual Studio for development, debugging, and performance optimisation. Honours degree or equivalent in Electronics Engineering or another STEM-based subject Proven ability to design, implement, and maintain embedded software on RTOS platforms such as VxWorks, including More ❯

teams in implementing cloud-native solutions, microservices, and container orchestration (e.g., Kubernetes). Security & Compliance : Ensure cloud architectures meet security, privacy, and compliance requirements (e.g., ISO, SOC2, GDPR). Performance Optimization : Analyze system performance and recommend improvements for scalability, reliability, and cost-efficiency. Stakeholder Collaboration : Work closely with DevOps, software engineering, and business teams to align technical solutions More ❯

and Power BI code deployments. Manage environments (Dev, QA, UAT) and automate data refreshes for accuracy and consistency. Oversee data pipelines and big data workflows (EMR, Spark) for high-performance analytics. Optimize code for ETL and Power BI (DAX, data models, refresh scheduling) to enhance performance. Implement observability and logging (CloudWatch, Grafana, ELK) for proactive system monitoring. Collaborate cross … functionally with BI, Platform, and Data teams on releases and issue resolution. Enforce security & compliance (RBAC, encryption, GDPR/HIPAA) across AWS services. Monitor performance & costs in AWS, driving optimisation and efficiency. Champion automation & innovation through new tools, frameworks, and cloud-native solutions. Key Skills: AWS Cloud: Expert in Redshift, S3, Lambda, EMR, and IaC (Terraform/CloudFormation … strong understanding of big data architecture and performance optimisation. CI/CD & Automation: Skilled in Jenkins, GitHub Actions, and Python scripting for automated ETL and Power BI deployments. Data Engineering: Proficient in SQL, Spark, EMR, and data warehousing; experienced in optimizing ETL pipelines and Power BI models (DAX, refresh scheduling). Containerization & DevOps: Hands-on with Docker and Kubernetes More ❯

environments (2016/2019/2022) Manage Active Directory, Group Policy, DNS, and DHCP services Support virtualisation platforms including VMware and Hyper-V Perform routine server patching, upgrades, and performance optimisation Collaborate with network and security teams to uphold system integrity Maintain accurate documentation of system configurations and procedures Essential Skills and Experience Demonstrable experience in enterprise-level More ❯

to design, build, and scale our cloud-native infrastructure. You’ll manage and maintain Kubernetes clusters, improve CI/CD workflows using GitHub Actions, and help ensure the reliability, performance, and security of our systems. This is an ideal opportunity for someone with a strong software engineering mindset looking to deepen their expertise in infrastructure and DevOps as part … cloud infrastructure knowledge in either AWS or GCP. Nice to Have: Monitoring stack tools: Prometheus, Thanos, Loki, Alertmanager, Grafana. CI/CD experience with FluxCD (or ArgoCD). Database performance optimization and management experience. Qualities We Value: Solution-oriented mindset with a knack for solving tough problems. Openness to learning and a self-driven approach to mastering new technologies. More ❯

We’re building something powerful. Let’s build it together. We've delivered high-performance embedded computing solutions for four decades across industries including defence, telecoms, and aerospace. We’re proud to be experts in what we do and are looking for more brilliant people to join our team. The Role We are looking for an experienced Senior Software … test systems used to validate our advanced embedded computing products by operations. This is a key position in ensuring that every product meets the company’s exacting standards for performance and reliability and to support the rapidly growing production of our products. What will I be delivering? As a Senior Software Engineer within the ATE team, you will be … and ensure full coverage of product functionality. • Analyse test results, investigate issues, and contribute to root cause analysis and continuous improvement initiatives. • Oversee legacy ATE systems, implementing upgrades and performance optimisations. • Mentor and support junior software and test engineers in best practices for software design, test automation, and coding standards. • Ensure all ATE software complies with internal quality management More ❯

Engineer to support the development and validation of safety-critical embedded software for AI and robotics applications. You'll play a key role in ensuring the reliability, safety, and performance of Runtime Assurance systems across diverse hardware and real-time environments. Key Responsibilities: Design, test, and validate embedded software for Runtime Assurance platforms. Ensure compliance with safety-critical standards … such as DO-178C, ISO 26262, and IEC 61508. Manage CI/CD pipelines and automated deployment across Software-in-the-Loop and Hardware-in-the-Loop systems. Develop performance and integration testing across simulation environments. Conduct code reviews, optimisation, and maintain high-quality software standards. Contribute to improvements in development processes, tools, and testing methodologies. Essential Experience … Test-Driven Development. Knowledge of test strategies, verification processes, and compliance with safety standards. Experience with static and dynamic code analysis tools. Desirable: Additional experience in infrastructure automation or performance optimisation. Familiarity with industry-standard code analysis and compliance tools. More ❯

designing exceptional employee experiences enabling them to unlimit whats next . We are on the hunt for a Content Marketing Manager who can turn powerful storytelling into tangible marketing performance by boosting awareness, engagement and demand for our flagship solution ZellisONE. Were looking for a creative, commercially minded content marketer who can humanise complex B2B technology concepts into thought … Youll lead on the creation of award submissions that showcase Zellis unique innovation, customer outcomes, and industry leadership across multiple categories and events. Youll use data insights to drive optimisation of messaging and overall content performance.Where necessary, refining tone, format and messaging for maximum resonance and conversion. Youll champion creativity and innovation by bringing bold, out-of-the-box … and events. KPIs We use qualitative and quantitative insights to drive content decisions and measure impact. This includes: Engagement:Views, downloads, time on page. Marketing pipeline:Attribution and content performance optimisation. Sales enablement usage:Adoption and usage of sales tools. Content velocity:On time delivery of content per project, campaign or solution launch. Messaging consistency:Adoption of and alignment More ❯