1 to 25 of 50 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 ❯

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 ❯

Backend Software Engineer / Developer (Rust HFT) London / WFH to £180k Do you have expertise with backend software engineering within trading / finance environments? You could be progressing your career in a senior, hands-on Backend Software Engineer at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Backend Software Engineer … using Rust. You'll collaborate with a small, talented team, collaboratively problem solving and working on complex and challenging systems with interesting work and huge bonus earning potential. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You have strong backend OOP, multithreaded software engineering experience … will receive a competitive package: Salary to £180k Bonus (c50% of base) Pension Hybrid working Career progression Apply now to find out more about this Senior Backend Software Engineer / Developer (Rust High Frequency Trading) opportunity. Ref: PR / 100228 / B / KS At Client Server we believe in a diverse More ❯

Senior Backend Software Engineer / Developer (Rust HFT) London / WFH to £180k Do you have expertise with backend software engineering within trading / finance environments? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Senior Backend Software Engineer you will design and develop backend … using Rust. You'll collaborate with a small, talented team, collaboratively problem solving and working on complex and challenging systems with interesting work and huge bonus earning potential. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You have strong backend OOP, multithreaded software engineering experience … will receive a competitive package: Salary to £180k Bonus (c50% of base) Pension Hybrid working Career progression Apply now to find out more about this Senior Backend Software Engineer / Developer (Rust HFT) opportunity. Ref: PR / 100228 / A / KS At Client Server we believe in a diverse workplace that More ❯

Junior Software Developer / Engineer (Rust HFT) London / WFH to £90k Are you a bright, ambitious Software Engineer with a first class education? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Junior Software Developer / Engineer you will design and develop backend services … using Rust. You'll collaborate with a small, talented team, collaboratively problem solving and working on complex and challenging systems with interesting work and huge bonus earning potential. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You achieved a 2.1 or above in Computer Science … experience of working on high throughput, low latency systems You are collaborative and pragmatic with great communication skills What's in it for you: As a Junior Software Developer / Engineer you will receive a competitive package: Salary to £90k Bonus (c50% of base) Pension Hybrid working Career progression Apply now to find out more about this Junior Software More ❯

Platform Engineer (Cloud Linux) London / WFH to £120k Are you an infrastructure technologist with experience as a Platform, DevOps or SRE? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Platform Engineer you will join a small team responsible for the 24x7x365 globally distributed ethical web … and own performance and process improvements, collaborating closely with the development team on architecture and prioritisation and with the infrastructure team on common infrastructure improvements across the estate. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week (please note there is an on-call requirement). About you … You have commercial experience as a Platform Engineer, DevOps Engineer or SRE You have strong bash or Python scripting skills You have multi-cloud experience (AWS and / or Azure preferred) You have a strong knowledge of Linux You're collaborative and pragmatic with great communication skills You hold a technical degree What's in it for you: As More ❯

Platform Engineer (Linux Cloud) London / WFH to £120k Are you an infrastructure technologist with a strong knowledge of Linux and public cloud services? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Platform Engineer you will join a small team responsible for the 24x7x365 globally distributed … and own performance and process improvements, collaborating closely with the development team on architecture and prioritisation and with the infrastructure team on common infrastructure improvements across the estate. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week (please note there is an on-call requirement). About you … You have commercial experience as a Platform Engineer, DevOps Engineer or SRE You have strong bash or Python scripting skills You have multi-cloud experience (AWS and / or Azure preferred) You have a strong knowledge of Linux You're collaborative and pragmatic with great communication skills You hold a technical degree What's in it for you: As More ❯

Platform Engineer (Linux Cloud) London / WFH to £120k Are you an infrastructure technologist with a strong knowledge of Linux and public cloud services? You could be progressing your career at a hugely profitable High Frequency Trading firm that specialise in crypto markets. As a Platform Engineer you will join a small team responsible for the 24x7x365 globally distributed … and own performance and process improvements, collaborating closely with the development team on architecture and prioritisation and with the infrastructure team on common infrastructure improvements across the estate. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week (please note there is an on-call requirement). About you … You have commercial experience as a Platform Engineer, DevOps Engineer or SRE You have strong bash or Python scripting skills You have multi-cloud experience (AWS and / or Azure preferred) You have a strong knowledge of Linux You're collaborative and pragmatic with great communication skills You hold a technical degree What's in it for you: As More ❯

AI Research Engineer (LLM Python) London / WFH to £95k Do you have experience with Machine Learning, AI research and Python engineering? You could be progressing your career at a "Tech for Good" start-up that is using AI models to help people focus on healthy living to extend their life, making personalised health risk assessments and connecting people … improve model performance. You'll join a collaborative team of talented engineers and AI researchers, pushing the boundaries of what is currently possible to enhance people's lives. Location / WFH: You can work from home most of the time, meeting up with colleagues in the London office once a week. About you: You have achieved a BSc or … for Good" start-up in an influential role with excellent career growth opportunities Apply now to find out more about this AI Research Engineer (LLM Python) opportunity. Ref: PR / 100233 / A / KS At Client Server we believe in a diverse workplace that allows people to play to their strengths and More ❯

Data Architect / Consultant (DV Clearance) Client travel to £100k Are you a Data Architect / Consultant with active DV Clearance? You could be progressing your career in a senior, hands-on role at a UK based Technical Consultancy that focus on cybersecurity projects. As a Data Architect / Consultant you'll collaborate closely with … be working with enterprise scale systems, developing data strategies and governance frameworks to drive organisational data transformation, across projects end-to-end with a great deal of ownership. Location / WFH: You'll be based on client sites in and around London four days a week with flexibility to work from once a week. About you: You … projects You have experience of establishing data analytics and supporting AI solutions You have a good working experience of AWS (e.g. S3, Kinesis, Glue, Redshift, Lambda and EMR) and / or Azure data services (e.g. ADF, Synapse, Fabric, Azure Functions) You have advanced client and stakeholder management skills What's in it for you: As a Data More ❯

Senior Full Stack Developer / Engineer (React C# .Net / Python) London to £150k Do you have expertise with React combined with a strong appreciation of .Net and / or Python backend systems? You could be progressing your career in a senior, hands-on role at a Hedge Fund with over $10 billion under management. As a … Senior Full Stack Developer you will take ownership of user interface / frontend development in the London office for both web and mobile applications, collaborating with colleagues in the New York office. You will architect and design high quality, performant, visually compelling applications with a focus on developing React based responsive web applications with mobile first design and integrating … .Net and Python within cloud based environments. There's a range of Greenfield projects to get stuck into and you'll see the results of your work quickly. Location / WFH: You'll join colleagues in the London office with flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code More ❯

Senior Full Stack Developer / Engineer (React C# .Net / Python) London to £150k Do you have expertise with React combined with a strong appreciation of .Net and / or Python backend systems? You could be progressing your career in a senior, hands-on role at a Hedge Fund with over $10 billion under management. As a … Senior Full Stack Developer you will take ownership of user interface / frontend development in the London office for both web and mobile applications, collaborating with colleagues in the New York office. You will architect and design high quality, performant, visually compelling applications with a focus on developing React based responsive web applications with mobile first design and integrating … .Net and Python within cloud based environments. There's a range of Greenfield projects to get stuck into and you'll see the results of your work quickly. Location / WFH: You'll join colleagues in the London office with flexibility to work from home once a week; there's a friendly and collaborative environment with casual dress code More ❯

Data Architect / Consultant (DV Clearance) Client travel to £100k Are you a Data Architect / Consultant with active DV Clearance? You could be progressing your career in a senior, hands-on role at a UK based Technical Consultancy that focus on cybersecurity projects. As a Data Architect / Consultant you'll collaborate closely with … be working with enterprise scale systems, developing data strategies and governance frameworks to drive organisational data transformation, across projects end-to-end with a great deal of ownership. Location / WFH: You'll be based on client sites in and around London four days a week with flexibility to work from once a week. About you: You … projects You have experience of establishing data analytics and supporting AI solutions You have a good working experience of AWS (e.g. S3, Kinesis, Glue, Redshift, Lambda and EMR) and / or Azure data services (e.g. ADF, Synapse, Fabric, Azure Functions) You have advanced client and stakeholder management skills What's in it for you: As a Data More ❯

Data Architect / Consultant (DV Clearance) Client travel to £100k Are you a Data Architect / Consultant with active DV Clearance? You could be progressing your career in a senior, hands-on role at a UK based Technical Consultancy that focus on cybersecurity projects. As a Data Architect / Consultant you'll collaborate closely with … be working with enterprise scale systems, developing data strategies and governance frameworks to drive organisational data transformation, across projects end-to-end with a great deal of ownership. Location / WFH: You'll be based on client sites in and around London four days a week with flexibility to work from once a week. About you: You … projects You have experience of establishing data analytics and supporting AI solutions You have a good working experience of AWS (e.g. S3, Kinesis, Glue, Redshift, Lambda and EMR) and / or Azure data services (e.g. ADF, Synapse, Fabric, Azure Functions) You have advanced client and stakeholder management skills What's in it for you: As a Data More ❯

Graduate C++ Developer / Backend Software Engineer (C++ Linux TCP / IP) Remote UK to £45k Are you a bright, enthusiastic Computer Science graduate with C++ coding skills? You could be progressing your career, working on Greenfield Cyber Security software products and learning from hugely talented team at a rapidly expanding scale-up software house that is developing … in a challenging environment, working on Greenfield C++ projects. You'll be encouraged to learn and continuously improve your skillset, receiving mentoring from an elite team of technologists. Location / WFH: You can work from home most of the time, meeting up with colleagues in the London office once a month / ; quarter. About you: You are degree … educated, 2.1 or above - Computer Science or closely related discipline from a top tier / Russell Group university You have C / C++ coding skills You have a strong understanding of what's happening at low level including Networking and Operating Systems (HTTP, TCP / IP, multicast, UDP) You have good Linux knowledge including low level (Daemon 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 ❯

LocationBloomsbury Square, London, United Kingdom# Java Developer at N Consulting LtdLocationBloomsbury Square, London, United KingdomSalary£500 - £550 / dayJob TypeContractDate PostedSeptember 16th, 2025Apply Now Role Title: Java Developer Experience : 10+Years work mode: Hybrid 3days / Week Contract duration: 6 months Location: London JOB DETAILS Required Core Skills: Candidate should have experience working in AWT, Swing, JavaFX and UI … 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++ Mac Extensions EDR) WFH / London to £80k Do you have experience developing and integrating Mac software? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands and … algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a Software Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Location / WFH: You can work from home most … you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security and EDR / EDTR You have VPN client or security experience You're collaborative with great communication skills You have experience of producing technical documentation You're degree educated in 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 ❯

CTO / Head of Engineering London / WFH to £180k+ Are you a senior technology leader with Wealth Management domain experience? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance and technology entrepreneurs with a hugely successful track record. As the CTO … / Head of Engineering you will own the technology strategy, designing systems from the ground up using the technology that you choose in conjunction with the Lead Engineer. You'll collaborate closely with the founders to understand goals and design the technology that will form the backbone of the business and establish a high performing technical team. Location / … with excellent leadership, mentoring and stakeholder management skills What's in it for you: Up to £180k Significant stock options Apply now to find out more about this CTO / Head of Engineering opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We More ❯

Backend Software Engineer / Developer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a senior Backend Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post … solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a Backend Software Engineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of … environment, but you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and working with a highly collaborative, experienced team. Location / WFH: You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ More ❯

Backend Software Engineer / Developer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a senior Backend Software Engineer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post … solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a Backend Software Engineer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of … environment, but you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and working with a highly collaborative, experienced team. Location / WFH: You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ More ❯

Software Developer / Engineer (C# TypeScript) London / WFH to £55k 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 ❯

C++ Developer / Engineer (C++ Mac Extensions) WFH / London to £80k Do you have C++ coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses … algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a C++ Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations. Location / WFH: You can work from home most … 80k Remote working (x1-2 days a month in London) Continuous training and career development including paid for certifications Apply now to find out more about this C++ Developer / Software Engineer (C++ Mac Extensions) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually More ❯

Senior C++ Developer / Software Engineer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ Developer to take ownership of strategic enhancements on their core platform, as well as directly on bespoke client projects. The organisation is a pioneer in the field of cross-asset securities and derivatives post … solutions for peak operational efficiency and optimum business performance for their clients. This is a great opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a Senior C++ Developer, you'll be responsible for designing and building unique technical solutions, meeting user requirements and contributing to the evolution of … environment, but you will be granted a great deal of autonomy across the full development lifecycle, influencing key technical decisions and working with a highly collaborative, experienced team. Location / WFH: You'll join colleagues in the London office three days a week with flexibility to work from home the other two days. About you: You have strong C++ More ❯