1 to 25 of 48 Permanent Client/Server Jobs in London

Applications Developer (Web / Mobile / Server) City of London / Hybrid We are working with an established Global Law Firm as they expand their London Technology team due to continued growth. The Firm are proud to boast a Global revenue of in excess … also be highly beneficial (but not essential) Practical experience with AI development concepts such as prompt engineering, AI agent development, RAG, and vector databases / semantic search (e.g., Pinecone, Azure AI Search, Chroma) Familiarity with Microsoft Azure services Please note that there is an in-office requirement ...

business stakeholders to ensure our systems are used effectively. Our application estate comprises a mixture of SaaS platforms and Azure‐hosted client / server applications, and you will play an integral role in ensuring their stability, performance and continual improvement following established ITIL change … release management processes. The responsibilities Support & Operations Ownership of incidents, problems and service requests at 2nd / 3rd line. Managing vendor escalations for SaaS and third‐party hosted applications. Monitoring application health, availability, performance and security. Application Lifecycle & Upgrades Planning, testing and implementing upgrades and patches. Maintaining configuration, integrations ...

setting client expectations appropriately throughout the troubleshooting process. Resolve incidents and requests related to, but not limited to the following: Mail Application / Office 365 issues, Client / Server Connectivity issues, Time Sensitive and VIP Workstation incidents, File Restores, Remote Access incidents … basic system maintenance including software and operating system patching, software version upgrades and critical patch applications. Provide support of Active Directory such as add / remove users, password resets, Group Policy application, task scheduling. Interface with common technology support tools such as Remote Monitoring and Management (RMM), Mobile Device ...

proven track record in working within a high-frequency, low-latency, or electronic trading environment. Strong understanding of networking concepts and protocols, including TCP / IP, UDP, unicast, and multicast. Good knowledge of Linux, including system calls, multithreading, inter-process communication, sockets, and scheduling. Experience with performance-focused programming … server applications and a strong grasp of software performance, concurrency, and networking. #LI-JM1 Job Info Job Identification 249570 Posting Date 08 / 04 / 2026, 03:55 PM Locations 288 Bishopsgate,, London, EC2M 4QP, GB #J-18808-Ljbffr ...

Client Server Leipzig? Wait, the ad specifies London. Client Server is looking for a Principal Architect in a secure software environment. The role is senior, hands-on, and requires deep expertise in security architecture and practical system engineering. You'll influence across ...

Client Server is seeking a Senior Software Engineer / Full Stack Developer (Node, TypeScript, React) in London with hybrid WFH options. You will own architecture from day one, design scalable APIs and build a modern cloud native platform on Azure or AWS. You'll work … across backend and frontend, implement Infrastructure as Code, CI / CD pipelines, and explore AI-powered tooling. You will collaborate closely with the CTO to drive technical decisions and deliver measurable business impact, with #J-18808-Ljbffr ...

millions of accounts. We use cloud native technologies, and the work involves the development of micro-services, integrations, dashboards, production support tools and CI / CD pipelines. Initially, successful candidates for the role will be seconded to a FinTech software partner. This is an exciting opportunity to experience … enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation / refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve ...

millions of accounts. We use cloud native technologies, and the work involves the development of micro-services, integrations, dashboards, production support tools and CI / CD pipelines. Initially, successful candidates for the role will be seconded to a FinTech software partner. This is an exciting opportunity to experience … enterprise-authorized AI coding assist tools within the work environment to improve code quality, delivery speed, and productivity across complex deliverables (e.g., code generation / refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards; contributes learnings and reusable patterns to improve ...

integral part of the development cycle. Interest in working on client-facing projects, conducting scoping and defining deliverables. Desirable Knowledge of banking / finance. Experience with AWS or other cloud providers. Familiar with databases (SQL or noSQL). Experience with client / server ...

Interest in client‐facing projects, including scoping requirements and defining deliverables. A proactive approach to learning and development. Desirable Knowledge of banking / finance. Experience with AWS or other cloud providers. Proficiency in Golang or Python. An understanding of both UX and UI principles. Experience using Figma … frameworks. Visual design skills. Familiar with databases (SQL or NoSQL). Experience with client / server software architectures & networking, or microservice architectures. Experience using Kubernetes. Benefits Highly competitive salary Pension plan (match up to 5%) Life insurance - three times annual salary Competitive maternity (six months ...

client business objectives. Cultivate Testing Culture: Champion an evidence-driven mindset across client organisations, shifting teams from basic A / B testing to sophisticated, hypothesis-led experimentation. Insights to Action: Lead cross-functional teams in designing, executing, and analysing experiments, translating complex data into strategic … ensure underlying data pipelines and tools effectively support client growth targets. What We're Looking ForVisionary Leadership: Extensive experience leading global growth / optimisation strategies, driving organisational change, and managing multi-region client portfolios. Deep Technical Stack Expertise: Hands-on mastery and architectural understanding ...

proven track record in working within a high-frequency, low-latency, or electronic trading environment. Strong understanding of networking concepts and protocols, including TCP / IP, UDP, unicast, and multicast. Good knowledge of Linux, including system calls, multithreading, inter-process communication, sockets, and scheduling. Experience with performance-focused programming … memory data management and associated optimization techniques. Knowledge of NUMA architectures and NUMA-aware programming practices is an advantage. Experience in developing client-server applications and a strong grasp of software performance, concurrency, and networking.#LI-JM1 Design, develop, and enhance matching engines, FIX gateways, and other ...

user environments. The role combines real-time problem solving, infrastructure maintenance, and technical project delivery, including scripting and automation. This is a hybrid operations / engineering role with real visibility across systems, platforms, and business-critical workflows. Key ResponsibilitiesRespond to support tickets and resolve hardware, software, and infrastructure issues … natural service mindsetSolid understanding of IT infrastructure, across networking, system administration, and endpoint managementHands-on experience with Windows OS (client / server), Active Directory, and enterprise IT environmentsClear written and verbal communication, especially for supporting non-technical usersComfortable working across platforms, experience with Linux / ...

Saffery LLP seeks an IT Applications Analyst to serve as the SME for our portfolio of business-critical applications. You will provide 2nd / 3rd line support, manage upgrades, and work with stakeholders to ensure effective system usage. Our estate includes SaaS and Azure-hosted client / server apps; you will help ensure stability, performance and continual improvement in line with ITIL change and release processes. #J-18808-Ljbffr ...

equivalent practical experience. 12+ years of experience building and deploying complex systems in collaboration with external partners. Strong understanding of Client / Server architectures and scalable system design. Experience building backend services and APIs The ability to confidently engage both technical and non-technical stakeholders ...

with the ability to perform network forensic analysis down to packet level Demonstrable detailed knowledge of file-system analysis including FAT, NTFS, HFS+ and / or EXT2 / 3 / 4 and ability to find and extract common disk-based indicators of compromise Knowledge of Windows, Linux … / or OS X internals and able to demonstrate knowledge of key system artefacts for each platform Able to articulate the phases of Incident Response as defined by NIST Familiarity MITRE ATT&CK Matrix for Enterprise framework Knowledge of and experience in memory analysis Ability to report key findings ...

trading platform opening new opportunities for following projects on the long term. You will work on Deliver in production on EU / US and World / Emerging perimeters Enhance day-to-day Board support tools for maintaining Edge universe of EU / US universes Deliver in production … remaining universe Production robustness assessment and switch off Analysis of the current workflow of the ETF Blotter: ETF Portal / Power connectivity, booking workflow, validation chain Design and implementation of the Edge Board ETF Blotter Parallel run of the Edge Board ETF Blotter in testing environment Developthe ETF team ...

focus on performance, scalability, and low latency Contribute to the end-to-end build and deployment of features across EU, US, and Global / Emerging Markets Implement enhancements to AMM and RFQ pricing workflows, improving automation and client responsiveness Participate in the architecture and design of distributed … Strong experience in Front Office trading system development, ideally within electronic trading or market making environments Solid software engineering background with: Python (advanced) SQL / data handling Strong understanding of client-server and distributed architectures Experience working in Linux / Windows environments Proven ability ...

Client Server is seeking a Linux Engineer / DevOps specialist in London with hybrid work options. You will help advance complex systems, automate infrastructure, and shape cloud services (Azure) to enable rapid, confident delivery. You will contribute to architectural decisions, implement scalable solutions, and optimize ...

-server communication. Experience with SQL and relational databases (e.g. PostgreSQL). Proficiency with version control (Git) and build tools (Maven / Gradle). Strong focus on clean code, unit testing, and code reviews. Familiar with Agile development practices. Comfortable working in Linux / Unix … environments. Other Desirable Skills Experience with JSF / JSP applications and legacy UI technologies. Familiarity with modern frontend practices and component-based architectures. Experience with CI / CD pipelines and testing practices. Exposure to Docker / containerization. Basic understanding of distributed systems. Familiarity with Spring ecosystem tooling. ...

your business and technical skills across the full project lifecycle, from requirements analysis and solution design through development, integration, deployment, testing and client orientation. With your previously acquired knowledge in Information Management related technologies, you quickly realize opportunities and never lose sight of the big picture. You tackle … gender, gender identification, sexual orientation, family status, age, veteran status, disability, religion, or other basis protected by applicable laws. If you need assistance and / or a reasonable accommodation due to a disability during the application or recruiting process, please contact us at hr@opentext.com. Our proactive approach fosters ...

high-performance app. Duties and Responsibilities Lead the technical arm of the team in a fast iteration cycles, with tight deadlines using an agile / scrum methodology, while ensuring applications meet quality standards Coordinate configuring, coding, developing, and documenting software specifications throughout the project life cycle (concept, design, build … bugs for all production issues Liaise with product development team to plan new features Research and suggest new mobile products, applications and protocol Qualifications / Experience Highly proficient in React, Swift or Objective C, Java for mobile development; Rails, nodejs and Angular for web development 5 to 7 years ...

Technical Recruiter / Recruitment Consultant (360) London / WFH to £40k + OTE Are you an ambitious 360 Recruiter looking for greater autonomy, better earning potential and the opportunity to build your own market? Join us at Client Server, an established technology recruitment consultancy … placing exceptional technology talent. Whether you want to launch your own niche desk or join an established, high-performing team, as a Technical Recruiter / Recruitment Consultant you'll have the support, tools and freedom to accelerate your career. What You'll Do: Build and grow your own portfolio ...

financial services sector. Задачи: Design, develop, and deliver transformational projects for clients Work with Kafka messaging Migrate legacy systems to AWS Introduce CI / CD pipelines and cloud deployments Contribute to engineering best practices and continuous improvement of client systems Interact with clients and gain business … Thorough understanding of software development and Computer Science fundamentals, including Object-Oriented Programming, Data Structures, and Design Patterns Familiarity with DevOps and CI / CD pipelines Collaborative approach and strong problem-solving skills Условия: Pension, Life Assurance, and Income Protection Private medical care for the employee and family, including ...

reliable applications across different environments. Knowledge of cloud platforms and data services, such as Azure, Google Cloud Platform or AWS. Knowledge of CI / CD practices and how automated build, test and deployment pipelines support reliable software delivery. Awareness of web application frameworks, APIs or client-server ...