Cambridge, England, United Kingdom Hybrid / WFH Options
XenServer
management at scale. You’ll primarily work in OCaml, a functional programming language suited for building safe and maintainable systems software. The role involves challenges like distributed system orchestration, performance optimization, and robust API design within an active open-source and enterprise environment. It is ideal for engineers eager to grow their skills while solving impactful problems. About XenServer … powers critical infrastructure worldwide — including hospitals, government systems, cloud platforms, and high-security environments. It supports thousands of virtual desktops, ultra-low-latency network appliances, and workloads demanding high performance and reliability. Contributing to XenServer enables organizations globally to operate confidently. What you'll do Design, implement, test, and maintain software for XenServer’s control plane Lead cross-team … critical virtualization platform. Your contributions will directly influence how organizations manage infrastructure in healthcare, finance, education, and cloud environments worldwide. It offers the chance to tackle technical challenges—from performancetuning to open API design—while deepening expertise in systems engineering and functional programming. Whether aiming to lead features, ascend to architectural roles, or contribute to open source More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
tools and services. AI Feature Integration Collaborate with engineering and product teams to embed AI-driven functionality into user-facing software. Technical Leadership Set standards for MLOps, automation, and performancetuning across the engineering team. Generative AI & LLMs Explore and integrate modern techniques such as large language models and generative architectures. Mentorship & Collaboration Support peers through code reviews … ideally AWS) and infrastructure-as-code tools (e.g., Terraform). Understanding of distributed systems, microservices, and modern software architecture. Hands-on experience with LLMs and generative AI models, including tuning and inference. Ability to set up CI/CD pipelines for ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree More ❯
City of London, London, United Kingdom Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
tools and services. AI Feature Integration Collaborate with engineering and product teams to embed AI-driven functionality into user-facing software. Technical Leadership Set standards for MLOps, automation, and performancetuning across the engineering team. Generative AI & LLMs Explore and integrate modern techniques such as large language models and generative architectures. Mentorship & Collaboration Support peers through code reviews … ideally AWS) and infrastructure-as-code tools (e.g., Terraform). Understanding of distributed systems, microservices, and modern software architecture. Hands-on experience with LLMs and generative AI models, including tuning and inference. Ability to set up CI/CD pipelines for ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree More ❯
SR2 | Socially Responsible Recruitment | Certified B Corporation™
tools and services. AI Feature Integration Collaborate with engineering and product teams to embed AI-driven functionality into user-facing software. Technical Leadership Set standards for MLOps, automation, and performancetuning across the engineering team. Generative AI & LLMs Explore and integrate modern techniques such as large language models and generative architectures. Mentorship & Collaboration Support peers through code reviews … ideally AWS) and infrastructure-as-code tools (e.g., Terraform). Understanding of distributed systems, microservices, and modern software architecture. Hands-on experience with LLMs and generative AI models, including tuning and inference. Ability to set up CI/CD pipelines for ML workflows and manage models in a cloud environment. Strong communication and stakeholder engagement skills. A relevant degree More ❯
London, England, United Kingdom Hybrid / WFH Options
i2 Group Inc
enterprise libraries Working closely with cross-functional teams, including UI/UX designers, frontend developers, and product managers, to ship new full-stack features Developing code optimized for database performance, including complex SQL queries, and database performancetuning Implementing and integrate text search engines (e.g. Solr) to enhance application search capabilities Conducting thorough testing (automated and manual … to identify, fix bugs, and performance issues Mentoring junior developers and promote knowledge sharing to enhance team skills and productivity Collaborating with L2 support to troubleshoot and fix customer issues in a timely manner Staying up to date with the latest industry trends and technologies to ensure our applications are built using the best practices Backend – Java REST APIs More ❯
London, England, United Kingdom Hybrid / WFH Options
Experis - ManpowerGroup
in sizing, capacity planning, backup, cloning and disaster recovery planning for multi-terabyte databases Excellent understanding of Oracle High Availability and Failover (Dataguard, GRID) Thorough understanding of optimisation and performancetuning Excellent understanding of Oracle Objects (including PL/SQL, packages, procedures, functions and triggers etc) Good understanding of Solaris O/S (ZFS and installation), Linux O More ❯
London, England, United Kingdom Hybrid / WFH Options
Experis
sizing, capacity planning, backup, cloning, and disaster recovery planning for multi-terabyte databases Excellent understanding of Oracle High Availability and Failover (Data Guard, GRID) Thorough understanding of optimisation and performancetuning Excellent understanding of Oracle Objects (including PL/SQL, packages, procedures, functions, and triggers) Good understanding of Solaris O/S (ZFS and installation) and Linux O More ❯
seeking a highly skilled and proactive Application Support Analyst to lead support and continuous improvement of enterprise applications across our organization. This role is critical in ensuring system stability, performance, and usability that support business operations. It is a hands-on role, acting as a technical expert and escalation point, bridging gaps between IT, users, and vendors while driving … issues. Serve as the escalation point for complex incidents and application issues, driving resolution end-to-end. Collaborate with development teams, infrastructure, and vendors to diagnose and resolve bugs, performance issues, and outages. Lead application upgrades, patch management, UAT, and post-deployment support. Ensure data integrity, system reliability, and compliance with internal IT governance and policies. Develop and maintain … troubleshooting skills. Familiarity with PAM tools like BeyondTrust is a plus. Scripting or automation skills (PowerShell, Python). Experience with cloud platforms (AWS, Azure) and SaaS environments. Monitoring and performancetuning experience. Experience with application rollouts, upgrades, patching, and post-deployment support. Knowledge of ITIL principles is a plus. Our Culture We are an energetic, fast-paced brand More ❯
part of a cross-functional team. What You'll Be Doing Design, implement, and support technical infrastructure across compute, storage, network, and virtualization platforms. Maintain operational health and system performance across a hybrid on-prem and cloud environment. Conduct proactive capacity planning and performancetuning to prevent downtime and service degradation. Lead technical initiatives involving infrastructure upgrades More ❯
London, England, United Kingdom Hybrid / WFH Options
MediSolution
enterprise libraries Working closely with cross-functional teams, including UI/UX designers, frontend developers, and product managers, to ship new full-stack features Developing code optimized for database performance, including complex SQL queries, and database performancetuning Implementing and integrate text search engines (e.g. Solr) to enhance application search capabilities Conducting thorough testing (automated and manual … to identify, fix bugs, and performance issues Mentoring junior developers and promote knowledge sharing to enhance team skills and productivity Collaborating with L2 support to troubleshoot and fix customer issues in a timely manner Staying up to date with the latest industry trends and technologies to ensure our applications are built using the best practices Backend – Java REST APIs More ❯
practices and ensuring maintainability. Create insightful, interactive reports and dashboards using Power BI . Use Git and Azure DevOps (ADO) for version control and deployment workflows. Continuously improve the performance, reliability, and scalability of data systems. Advocate for best practices in data governance, data quality, and documentation . What will you need to do it? In depth experience working … Azure Data Factory, Synapse Analytics, Azure Data Lake Storage, and related tools. Microsoft Fabric – experience with dataflows, lakehouses, notebooks, and workspace management. Azure Synapse Analytics – pipeline and notebook creation, performancetuning, and data transformation logic. Power BI – data modelling, DAX, and visualisation development. Delta Lake – supporting structured streaming and batch data workloads. Python & PySpark – used for scalable data More ❯
London, England, United Kingdom Hybrid / WFH Options
Prescriptionbluegrass
running on a VMware virtualized private cloud, carefully managed by our own Infrastructure Engineers and our hosting partners. We run a network of SQL Servers, ensuring high availability and performance for our data-driven solutions. The Head Of Development Role We are seeking an experienced Full Stack Head of Development to guide and inspire a cross-functional team of … management team, you will help shape the Companys wider strategy Collaborate with our (ex Microsoft) Chief Data Architect SQL Guru to Architect and design distributed software systems with high performance, scalability, and availability in mind Write clean, efficient, and scalable code, following TDD best practices in an Agile environment Set up and manage formal processes within the development area … C#/.NET NET Core Persistence Frameworks (Entity Framework, Dapper, etc.) SOLID Principles Web APIs MS SQL Server integration through Stored Procedures Persistence Frameworks and SQL CLR extensions SQL performancetuning About You Hold at least 5 years experience as a Full Stack Software Engineer and 3+ years in a leadership/management role A true people-person More ❯
London, England, United Kingdom Hybrid / WFH Options
KPMG UK
best practices and ensuring maintainability. Create insightful, interactive reports and dashboards using Power BI. Use Git and Azure DevOps (ADO) for version control and deployment workflows. Continuously improve the performance, reliability, and scalability of data systems. Advocate for best practices in data governance, data quality, and documentation. What will you need to do it? In depth experience working with … Azure Data Factory, Synapse Analytics, Azure Data Lake Storage, and related tools. Microsoft Fabric – experience with dataflows, lakehouses, notebooks, and workspace management. Azure Synapse Analytics – pipeline and notebook creation, performancetuning, and data transformation logic. Power BI – data modelling, DAX, and visualisation development. Delta Lake – supporting structured streaming and batch data workloads. Python & PySpark – used for scalable data More ❯
Lexington, Massachusetts, United States Hybrid / WFH Options
Encode
reliability analysis. The candidate will engage in object-oriented design and analysis (OOA/OOD), software modeling and simulation, GUI design, software testing, and quality assurance. Additional responsibilities include performancetuning, software integration, documentation, and compliance with industry standards. The candidate will evaluate new technologies for implementation and contribute to localization/globalization efforts. Qualifications & Required Skills: Must More ❯
London, England, United Kingdom Hybrid / WFH Options
NEC Software Solutions
be considered. Qualifications Proven experience in full life cycle development of large applications using Oracle databases and tools Strong PL/SQL skills, including designing specifications, problem-solving, and performancetuning Understanding of application and data security Eligibility for UK Security Clearance Experience with Oracle Apex Knowledge of XML, JSON, SOAP, REST Relevant Computer Science or Technical Degree More ❯
South East London, London, United Kingdom Hybrid / WFH Options
TYRENS UK
such as SSRS, Crystal Reports, or similar Experienced with Azure DevOps Solid understanding of system integration principles and practices Desirable skills: Proficient in Microsoft SQL Server database administration and performancetuning Skilled in optimising SQL queries and ensuring database efficiency Familiarity with financial terminology and standard finance practices Hands-on experience with SQL Server Integration Services (SSIS) Knowledge More ❯
London, England, United Kingdom Hybrid / WFH Options
ZipRecruiter
into our platform. Ensure smooth end-to-end integration of AI/ML functionality within broader product development efforts. Technical Leadership Define best practices for MLOps, model deployment, and performance tuning. Evaluate and implement new frameworks, tools, and cloud- AI solutions (including LLMs). Make strategic technical decisions that align with broader business goals. Mentoring & Knowledge Sharing Support the … AWS (e.g., SageMaker, Bedrock) and infrastructure-as-code tools like Terraform. Solid understanding of large-scale data pipelines, distributed systems, and microservice architectures. Comfortable working with LLMs, model fine-tuning, and building features powered by generative AI. Experience setting up CI/CD pipelines for ML workflows and maintaining scalable systems in the cloud. A proven track record of More ❯
Hounslow, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
into our platform. Ensure smooth end-to-end integration of AI/ML functionality within broader product development efforts. Technical Leadership Define best practices for MLOps, model deployment, and performance tuning. Evaluate and implement new frameworks, tools, and cloud-native AI solutions (including LLMs). Make strategic technical decisions that align with broader business goals. Support the growth of … AWS (e.g., SageMaker, Bedrock) and infrastructure-as-code tools like Terraform. Solid understanding of large-scale data pipelines, distributed systems, and microservice architectures. Comfortable working with LLMs, model fine-tuning, and building features powered by generative AI. Experience setting up CI/CD pipelines for ML workflows and maintaining scalable systems in the cloud. A proven track record of More ❯
London, England, United Kingdom Hybrid / WFH Options
SAP SE
/Windows/Linux) and database administration. Experience with SAP HANA scale-out and standalone deployment, administration, and optimization. Knowledge of cloud platforms (AWS, GCP, Azure). Experience in performancetuning, user management, and system copies. SAP certifications in S/4HANA, OS/DB Migration, NetWeaver, or SAP HANA are preferred. Hands-on experience with LAMA, FRUN More ❯
Cheltenham, Gloucestershire, United Kingdom Hybrid / WFH Options
TwinStream
that support them. Strong communication skills and a collaborative spirit. Ability to work independently as a self-starter to identify and solve problems. Solid understanding of monitoring, auto-scaling, performancetuning, troubleshooting, and disaster recovery best practices. Experience building and maintaining robust CI/CD pipelines. Proven experience deploying full-stack solutions to cloud infrastructure. Comprehensive experience in More ❯
Bristol, Gloucestershire, United Kingdom Hybrid / WFH Options
TwinStream
/CD tools (such as Jenkins or GitHub actions) Good understanding of relational databases and SQL Linux command line, administration and shell scripting Solid understanding of monitoring, auto-scaling, performancetuning, troubleshooting and disaster recovery best practices Working knowledge of network security protocols Working knowledge of AWS Experience with monitoring tools such as InfluxDB, Prometheus or Grafana Experience More ❯
of a team. Strong attention to detail. Passion for learning. Experience with other cloud platforms. Knowledge of containerization technologies. Experience with testing frameworks. Familiarity with design patterns. Experience with performancetuning and optimization. . Employment type Full time/permanent Job location Home Office Country United Kingdom Job category Other Target Groups Required experience not selected Organizational unit More ❯
Rotherham, England, United Kingdom Hybrid / WFH Options
Pearson
Aurora MySQL, Microsoft SQL Oracle, DynamoDB, etc. Expert level hands-on experience in designing, developing, and maintaining complex SQL queries, stored procedures to support various business applications. Perform advanced performancetuning and optimization of data pipelines. Implement and maintain data monitoring solutions to proactively identify and address potential issues. Develop scripts and automation tools to streamline data management More ❯
London, England, United Kingdom Hybrid / WFH Options
Charles River Associates
firms, corporations, and governments around the world. CRA advises clients on economic and financial matters pertaining to litigation and regulatory proceedings, and guides corporations through critical business strategy and performance-related issues. Since 1965, clients have engaged CRA for its combination of industry experience and rigorous, fact-based analysis that provides clients with clear, implementable solutions to complex business … cloud platforms with internal Practices. Identifying and implementing opportunities for process automation and standardization to enhance operational efficiency. Managing and optimizing Databricks environments, including cluster configuration, workspace administration, and performance tuning. Ensuring the security and integrity of production and development environments, adhering to office and security policies. Creating comprehensive documentation including task lists, High-Level Design, Low-Level Design … completion and alignment with all team members towards common objectives. Implementing DevOps practices, such as CI/CD pipelines, using GitHub and Azure DevOps. Performing cost analysis for high-performance analytic environments, dynamically managing budgets, alerts, and monitoring. Demonstrating a strong understanding of data lifecycle workflows and selecting the most suitable tools for each stage. Managing different storage tiers More ❯
London, England, United Kingdom Hybrid / WFH Options
Charles River Associates
firms, corporations, and governments around the world. CRA advises clients on economic and financial matters pertaining to litigation and regulatory proceedings, and guides corporations through critical business strategy and performance-related issues. Since 1965, clients have engaged CRA for its combination of industry experience and rigorous, fact-based analysis that provides clients with clear, implementable solutions to complex business … cloud platforms with internal Practices. Identity and implement opportunities for process automation and standardization to enhance operational efficiency. Manage and optimize Databricks environments, including cluster configuration, workspace administration, and performance tuning. Ensure the security and integrity of production and development environments, adhering to office and security policies. Create comprehensive documentation including task lists, High-Level Design, Low-Level Design … completion and alignment with all team members towards common objectives. Implement DevOps practices, such as CI/CD pipelines, using GitHub and Azure DevOps. Perform cost analysis for high-performance analytic environments, dynamically managing budgets, alerts, and monitoring. Demonstrate a strong understanding of data lifecycle workflows and select the most suitable tools for each stage. Manage different storage tiers More ❯