1 to 25 of 82 Permanent Client/Server Jobs in London

Thrive provides a unique work environment for ambitious individuals through an unparalleled diversity of work and opportunities for growth. Primary Responsibilities: Analyze and document an unfamiliar client / server network environment while assessing the quickest path to resolution for a particular incident affecting the network. Perform rapid analysis of workstation / server … support, mentoring, and technical leadership to other engineers in the department. While working in client environments, identify opportunities for improvement and capture those opportunities in central information / documentation system. Identify reoccurring issues that are being dealt with in the remote service center and develop a plan to resolve permanently through problem management. Constant review of security … Work directly with Team Lead to implement designated standards across customer base to improve service delivery. Resolution of incidents related to, but not limited to the following: Mail Application / Office 365 issues Firewall Issues including but not limited to SSLVPN, Site to Site VPN, Access Rules Troubleshooting & Assessment of backup / disaster recovery solutions to ensure data More ❯

role at Client Server Join to apply for the Head of DevOps - FinTech role at Client Server Head of DevOps London / WFH to 100k Are you a skilled DevOps Engineer with strategic leadership experience? Head of DevOps London / WFH to 100k Are you a skilled DevOps Engineer with … and reliably. As Head of DevOps you will oversee the Infrastructure and Build Engineering Team, taking ownership of defining and implementing the company's DevOps strategy, including streamlining CI / CD pipelines, automation, observability and release processes to support reliable and scalable software delivery. There's currently a focus on transforming inefficient CI / CD pipelines using Gitlab … to monitoring, uptime and incident response via SRE and DevOps principles. You lead a team of three which you'll help to grow, providing technical leadership and direction. Location / WFH: There's a hybrid work from home model with 1-2 days in the London, City based office per week. About You You are an experienced DevOps Engineer More ❯

the management, configuration and efficiency of the day-to-day operation of Trust's Local Area Networks, Data Centre Networks, Wide Area Networks, WiFi Networks and Client / Server VMware environment, desktop equipment, mobile devices and servers and will assist the Network Security Manager in the installation and implementation of all changes to the said … environment The ideal candidate will possess postgraduate qualifications in IT and advanced certifications in HP / Cisco networking and have a substantial, proven track record in Data and VOIP, WAN , WiFi and cloud Network Management in a large busy environment. The post holder will also be responsible for the management of several firewalls and cybersecurity and the change control … responsibilities are found on the attached JD. Person Specification Qualifications and Training Essential A degree in Computer Science, Networking, or a related field Postgraduate qualifications in IT Cisco CCNA / HPE Networking Certifications Firewall Fortigate / Palo Alta / Checkpoint / Sophos Certifications Desirable Cisco CyberOps Associate Cisco Certified Network Professional (CCNP) VOIP Certifications Microsoft Certified More ❯

professionalism, strong problem-solving skills, and quick learning of new technologies are essential. Responsibilities Handle diverse computing environments across various business clients Analyze and document unfamiliar client / server network environments to determine the quickest resolution Assist project teams with onboarding new clients and migrating to O365 and SharePoint Rapidly analyze workstation incidents to identify … Monitor the Remote Service Center (RSC) Service Board for new tickets Prioritize and communicate effectively during incident resolution Resolve incidents related to mail applications, Office 365, client / server connectivity, VIP workstation issues, remote access, and networked printers Qualifications 3+ years of on-site IT support experience in high-pressure environments, such as Trading Floors … imaging tools like MDT or SCCM Understanding of market data platforms (Bloomberg, Reuters, FactSet) and Excel plug-ins Basic networking knowledge of routers, firewalls, and switches Experience with spyware / malware removal tools Knowledge of mobile device management Powershell scripting skills Active Directory Management and GPO creation skills More ❯

maintain a scalable and robust iGaming platform. Responsibilities Collaborating with the Team Lead and other stakeholders to develop and deliver iGaming products Architecting and coding high throughput scalable client-server systems for … iGaming platform. Maintaining and optimising existing systems, includes profile and analyse bottleneck, and identify single point of failure. Requirements 4 years or more of experience in C++ programming. Knowledge / experience in writing client-server applications in C++. Knowledge / experience in WebSocket and binary communication protocols. Knowledge / experience in Database and More ❯

Recruitment Consultant / Technical Recruiter London to £35k + OTE Do you have Technology Recruitment experience? You could be progressing your career at Client Server; a leading technology recruitment consultancy based in Bank, London. Our split-desk approach allows us to specialise in finding exceptional candidates for our diverse client base, including technology … Teams. We are looking for individuals who: Are keen to progress your career as a tech-focused recruiter and deliver revenue through placements Have experience in a Recruitment Consultant / Recruiter position (this could be in technology or other sector e.g. engineering, construction, health, sales) Have successful delivery against KPIs Can demonstrate your interests, competitiveness and determination Have the … time efficiently Have an ethical approach with quality of service in mind Responsibilities for a Recruitment Consultant: Consistent delivery of high calibre technologists Account management Development of existing client relationships Ownership of new client accounts Grow and expand your own desk What's in it for you: Salary to £35k base + uncapped commission scheme Up More ❯

Automation Tester (Selenium / .NET) Start: ASAP Location: 2-days in Farnborough Pay: £350-380 / day (inside IR35) The Role A leading UK financial services organisation is seeking a skilled Test Automation Engineer to support the modernisation of their IT landscape. You will work within an Agile team to build and maintain automated test frameworks and contribute … .NET, or C# for automated testing • Strong experience with tools like Selenium, Cucumber, and REST Assured • Familiarity with testing RESTful APIs, SOAP services, and web UIs • Experience with CI / CD pipelines (e.g. Jenkins) and version control (Bitbucket) • Working knowledge of Agile processes and tools (JIRA, Confluence) • Strong defect reporting and troubleshooting capabilities • Proven ability to deliver in fast … team-oriented environments • Exposure to Financial Services or other regulated industries • Ability to adapt quickly to change and drive quality outcomes Desirable: • Oracle SQL and Windows client / server applications • Familiarity with contract management or transactional systems • Experience in the Automotive Finance industry More ❯

Social network you want to login / join with: Head of Technology - Prime Brokerage, London col-narrow-left Client: Client Server Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: b695eb3994ea Job Views: 18 Posted: 12.08.2025 Expiry Date: 26.09.2025 col-wide Job Description: Head of … Technology / Engineering Manager (Prime Brokerage) London / WFH to 200k+ Are you an experienced technology leader with a strong knowledge of Prime Brokerage? You could be joining a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers, in an impactful role. As a Head of Technology / … for feedback and early testing. You'll lead architectural discussions and decision making, ensure modern best practices are instilled and set the strategy to meet long term goals. Location / WFH: There's a hybrid model with two days a week work from home, when you are in the office you'll be based in the City with an More ❯

Recruitment Consultant / Technical Recruiter London to £35k + OTE Do you have Recruitment experience? You could be progressing your career at Client Server; a leading technology recruitment consultancy based in Bank, London as a key member of the Europe team who source candidates for a variety of clients across Europe.Our split-desk approach allows … us to specialise in finding exceptional candidates for our diverse client base, including technology start-ups, software houses and financial organisations, whilst being supported by our dedicated Advertising and Business Development Teams. You'll join the team based in our London, City offices that offer a wide range of facilities and some excellent spots for client … entertainment! We are looking for individuals who: Are keen to progress your career as a tech-focused recruiter and deliver revenue through placements Have experience in a Recruitment Consultant / Recruiter position (this could be in technology or other sector e.g. engineering, construction, health, sales) Have successful delivery against KPIs Can demonstrate your interests, competitiveness and determination Have the More ❯

s business needs into innovative solutions to accelerate their growth and capacity Author responses to RFI & RFPs Seek out and spur new opportunities for interoperability, functional, and performance testing / validation Promote mutual roadmap and planning exchanges Liaise with product and technical marketing to produce materials (i.e. white papers, web presentations) that support overall alliance plans and objectives Stay … enterprise storage, networking or systems solutions to a combination of large enterprise accounts and datacenters Deep understanding of the architecture, design and implementation of multi-tiered client / server and web-based computing solutions Prior experience in targeting new prospects and converting them into clients Contribute significant portions and / or lead responses to … RFPs, RFQs and RFIs Superior knowledge of current and emerging storage architectures (FC, iSCSI, NAS, OSD, SAN) UNIX OS, NFS file systems and UNIX distributed network environment Installation / configuration of distributed computing, multiprocessing, virtual memory subsystem, storage subsystems architecture, shared memory architectures, cache architectures, windowing systems Strong knowledge of digital transformation to a Cloud Native architecture, On-Prem More ❯

s business needs into innovative solutions to accelerate their growth and capacity Author responses to RFI & RFPs Seek out and spur new opportunities for interoperability, functional, and performance testing / validation Promote mutual roadmap and planning exchanges Liaise with product and technical marketing to produce materials (i.e. white papers, web presentations) that support overall alliance plans and objectives Stay … enterprise storage, networking or systems solutions to a combination of large enterprise accounts and datacenters Deep understanding of the architecture, design and implementation of multi-tiered client / server and web-based computing solutions Prior experience in targeting new prospects and converting them into clients Contribute significant portions and / or lead responses to … RFPs, RFQs and RFIs Superior knowledge of current and emerging storage architectures (FC, iSCSI, NAS, OSD, SAN) UNIX OS, NFS file systems and UNIX distributed network environment Installation / configuration of distributed computing, multiprocessing, virtual memory subsystem, storage subsystems architecture, shared memory architectures, cache architectures, windowing systems Strong knowledge of digital transformation to a Cloud Native architecture, On-Prem More ❯

issues. In this role, you will: Build and evolve the next-generation Expedia Group (EG) shared component library framework to be adopted by different EG brands and our server-driven UI experience layer Collaborate with multiple engineering teams to enable co-development, reuse, and problem-solving Develop and test standard software applications using React, GraphQL, and related technologies … experience Proficient in React, TypeScript, Node.js, and Apollo GraphQL Passionate about building and refining high-performance web apps Familiar with associated technologies within the broader SDLC ecosystem (e.g., CI / CD, Git, GitHub Actions) Eager to learn and work with new technologies and frameworks; enthusiastic about all aspects of application development, from brainstorming and design to implementation and launch … Experienced in testing and monitoring your own code Understand client / server architectures and mobile development best practices Previous experience working with large codebases Experience in Agile development methodologies Communicate with clarity and precision, presenting complex information in a concise and audience-appropriate format Familiarity with Swift and Jetpack Compose is a plus Accommodation requests More ❯

youll bring with you : 5+ years in technical solutions, systems architecture, or ad tech engineering, with client-facing experience. Deep knowledge of the digital advertising ecosystem: RTB / programmatic, retail media, identity, and measurement. Proficiency in web technologies (HTML, CSS, JavaScript), tag managers, and tracking methods (client / server-side). Strong … data platforms like BigQuery for analysis and troubleshooting. Understanding of event tracking for impressions, clicks, and conversions via APIs or tags. Working knowledge of cloud platforms (GCP preferred; AWS / Azure a plus). Ability to explain complex concepts to technical and non-technical audiences; excellent communication skills. Proven success in fast-paced, cross-functional environments. Why you might … stand out from other talent : Experience with RMNs, agencies, publishers, or MarTech platforms. Knowledge of data clean rooms, privacy regulations (GDPR / CCPA), and identity resolution. Familiarity with ad tagging and tag management systems. Contributions to technical documentation or client-facing integration tools. Click here to view how Epsilon transforms marketing with 1 View, 1 Vision More ❯

youll bring with you : 5+ years in technical solutions, systems architecture, or ad tech engineering, with client-facing experience. Deep knowledge of the digital advertising ecosystem: RTB / programmatic, retail media, identity, and measurement. Proficiency in web technologies (HTML, CSS, JavaScript), tag managers, and tracking methods (client / server-side). Strong … data platforms like BigQuery for analysis and troubleshooting. Understanding of event tracking for impressions, clicks, and conversions via APIs or tags. Working knowledge of cloud platforms (GCP preferred; AWS / Azure a plus). Ability to explain complex concepts to technical and non-technical audiences; excellent communication skills. Proven success in fast-paced, cross-functional environments. Why you might … stand out from other talent : Experience with RMNs, agencies, publishers, or MarTech platforms. Knowledge of data clean rooms, privacy regulations (GDPR / CCPA), and identity resolution. Familiarity with ad tagging and tag management systems. Contributions to technical documentation or client-facing integration tools. Additional Information When You Join Us, Well Create Something EPIC Together Epsilon is a More ❯

ll bring with you : 5+ years in technical solutions, systems architecture, or ad tech engineering, with client-facing experience. Deep knowledge of the digital advertising ecosystem: RTB / programmatic, retail media, identity, and measurement. Proficiency in web technologies (HTML, CSS, JavaScript), tag managers, and tracking methods (client / server-side). Strong … data platforms like BigQuery for analysis and troubleshooting. Understanding of event tracking for impressions, clicks, and conversions via APIs or tags. Working knowledge of cloud platforms (GCP preferred; AWS / Azure a plus). Ability to explain complex concepts to technical and non-technical audiences; excellent communication skills. Proven success in fast-paced, cross-functional environments. Why you might … stand out from other talent : Experience with RMNs, agencies, publishers, or MarTech platforms. Knowledge of data clean rooms, privacy regulations (GDPR / CCPA), and identity resolution. Familiarity with ad tagging and tag management systems. Contributions to technical documentation or client-facing integration tools. Click here to view how Epsilon transforms marketing with 1 View, 1 Vision More ❯

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will … transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great More ❯

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will … transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great More ❯

design of large systems, as well as in data infrastructure. Someone who likes opening the hood to see how things work, has understanding of data structures, experience writing client-server network applications, and writing and optimising code for high performance. We welcome your previous experience from your own personal projects as well as commercial experience. PhD … building robust large-scale systems and to understand crypto currency trading. Hard Skills requirements At least 2 years' experience with C++ - we will test Understanding networking and implementing client-server connections - we will test Experience with looking under the hood to see how C++ standard libraries work - we will test Strong analytical skills - we will test More ❯

Full Stack Developer / Engineer (TypeScript Node React) Remote UK to £70k Are you a technologist with iGaming / gambling sector experience who enjoys working with a range of technology and collaborating with clients? You could be joining a successful and growing tech company that produce a range of online games used by various clients (e.g. eCommerce, sports … bespoke projects working across the full tech stack from backend development using TypeScript and Node, through to React on the front end as part of a collaborative team. Location / WFH: You can work from home / remotely from anywhere in the UK. About you: You're a software developer / engineer with strong TypeScript and Node … skills You have experience of developing transactional games / gambling games / iGaming applications You have experience with Azure or AWS cloud services You are comfortable taking ownership and running your own small projects You have excellent communication and collaboration skills What's in it for you: As a Full Stack Developer / Engineer you will earn More ❯

Senior Solutions Architect (Web / Online Market Place) London / Milton Keynes to £120k Are you skilled at translating business goals into technical strategy? You could be progressing your career in Senior Solutions Architect role at one of the country's leading PropTech sites that have revolutionised the way we find property for rent and sale with millions … platform reliability and software engineering teams, you'll help to ensure the application delivery platform supports the scale, security and resilience required whilst delivering an engaging customer experience. Location / WFH: You'll split your time between London and Milton Keynes (one day at each office per week) with the other three days work from home. About you: You … are skilled at translating business goals into technology solutions, identifying opportunities and anticipating future needs You have experience in a web / eCommerce / online market place environment You have previous experience as a Software Engineer You're able to drive architectural level improvements whilst remaining hands-on with implementation You have experience of designing business process solutions More ❯

to work at pace across demanding client environments. What you'll be doing Building and extending the ServiceNow platform with real development work Writing client / server-side scripts and using JavaScript to deliver across ITOM, ITAM, and IRM Picking up user stories and working independently through delivery Supporting and building integrations with … external systems and data sources Collaborating with architects and other developers in agile delivery teams What we're looking for Mid-Level JavaScript / Scripting experience within ServiceNow Comfortable with Glide APIs and relational database concepts Experience delivering development tasks, not just admin or catalogue items CSA certification (or working towards it) Senior-Level Able to lead builds and … across UK when required Must be eligible for SC Clearance and hold sole British nationality Paid training days and support with ServiceNow certifications 25 days annual leave (plus buy / sell options) Private healthcare and flexible benefits RSG Plc is acting as an Employment Agency in relation to this vacancy. More ❯

C++ Developer / Backend Software Engineer (Windows C / C++, C#) London to £70k FTC Are you a skilled C++ Developer? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a C++ Developer you will join an Agile team focussed … transmission. The platform has been built with C++ and C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. Please note this is a … month Fixed Term Contract. About you: You have C / C++ development skills on Windows OS You have full software development lifecycle experience You have a good knowledge of networking protocols e.g. TCP / IP, multicast You have a strong grounding in Computer Science fundamentals e.g. multi-threading, OOP, Data Structures, Design Patterns You're collaborative with great More ❯

The person should have worked on desktop, client-server, rich client application development. Advanced knowledge of Java and associated ecosystem (Java 17, IntelliJ / Eclipse, Maven, GIT, Jenkins, RESTful Web Services, JavaFX). Strive for excellence and continuous improvement in software architecture, Agile methods, and build systems. Ability to work closely with the More ❯

Software Developer / Engineer (C# TypeScript) London / WFH to £65k Would like to progress your career as a Software Developer, working on a modern, web based, tech stack with continual learning and development opportunities as part of a diverse team? You could be progressing your career at a global FinTech consistently voted as a Top 10 place … product. You'll focus on backend systems using C# and TypeScript but will also have exposure to front end components in Angular and React within a TDD environment. Location / WFH: You can work from home most of the time, meeting up with colleagues once a week in the City offices, when there you can you enjoy a range … skills You also have experience with TypeScript, Angular or React You have a good understanding of Docker for Containerisation You have a good knowledge of cloud based systems (Azure / AWS) You have strong analysis and problem solving skills You're collaborative with great communication skills What's in it for you: As a Software Developer / Engineer More ❯

Front End Developer / Engineer (TypeScript React Native AI) London / WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could be progressing your career as a … advantage. You'll work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript / TypeScript and React but will be able to pick new technologies and skills up on the job. Location / WFH: You'll be joining a friendly and supportive … skills You are a passionate technologist, keep up to date with the latest innovations and learn new things You have solid knowledge of software engineering principles, Agile practices, CI / CD and ideally have experience within a cloud environment (AWS preferred) You are a bright, proactive individual and a strong problem solver with commercial acumen What's in it More ❯