26 to 50 of 78 Client/Server Jobs in London

virtual infrastructure and Office 365 to firewalls and scripting for automation, you'll play a crucial role in the stability and scalability of the firm's tech stack. Location / WFH Policy: You'll be working in a collegiate team environment based in London with a small group of accomplished software / data engineers and finance entrepreneurs on … a fulltime basis (Monday to Friday). About you: You have a broad range of IT / Infrastructure knowledge including Windows, Active Directory, Outlook, 0365, Virtualisation (vSphere), Microsoft SQL Server and VMWare virtualisation You also have some Linux server experience You have PowerShell scripting skills You have experience of working in SMEs, with a varied … Training and career development opportunities Company retreats such as Winter skiing trips and Summer weekends away Apply now to find out more about this Systems Administrator opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come 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 ❯

Senior Fullstack Software Developer Our Client is a relatively young company but growing quickly in the world of financial technology solutions. They are now looking to recruit a Senior Fullstack Software Developer with at least 5 plus years expertise. The ideal candidate will have great problem solving and communication skills and be comfortable with fast paced design, development … of building a next-gen 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, deploy, test and release to … and correct bottlenecks and fix 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 of extensive native mobile app More ❯

Senior Systems Administrator (AWS Azure) London / WFH to £130k Are you a technologist with a wide range of skills and experience? You could be progressing your career on the Asset Management side of a global Japanese bank as they expand this product offering within the UK. As a Senior Systems Administrator you will help to shape the technological … administering the desktop IT infrastructure, ensuring it is resilient, secure, reliable and efficient within a multi-cloud environment (AWS and Azure) using a range of tools and technologies. Location / WFH: You'll be based in impressive London based offices, onsite Monday to Friday 0800-1700. About you: You are an experience Systems Administrator / DevOps You … have a strong knowledge of AWS and / or Azure cloud platforms You have Windows (or Linux) Operating System experience You have experience with a range of relevant technologies e.g. IntraID, Office 365, Access Manager, Github, Atlassian stack You have a strong appreciation of security, DevOps principles, CI / CD and Containerisation best practices You have Python, PowerShell More ❯

Backend Software Engineer / Developer (Golang Kafka API) London / WFH to £110k Do you have a deep knowledge of Go / Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving … scalability and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints, you'll be a key part of tech discussions and decision making. Location / WFH: You'll join colleagues in the London, Canary Wharf offices three days a week (also the possibility to be remote in the UK). About you: You're … an experience backend focussed Software Engineer with strong commercial Go / Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have experience of working on scalable, distributed More ❯

Backend Software Engineer / Developer (Golang Kafka API) London / WFH to £110k Do you have a deep knowledge of Go / Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving … scalability and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints, you'll be a key part of tech discussions and decision making. Location / WFH: You'll join colleagues in the London, Canary Wharf offices three days a week (also the possibility to be remote in the UK). About you: You're … an experience backend focussed Software Engineer with strong commercial Go / Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have experience of working on scalable, distributed More ❯

Cloud Security Engineer (AWS GCP) London / WFH to £80k Are you a Cloud security technologist with FinTech experience? You could be progressing your career at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Cloud Security Engineer you'll support, maintain, automate and improve IT … security platforms including securing Containers and CI / CD pipelines. You'll collaborate with developers and engineers to encourage a security-by-design culture within the business and ensure effective operation of a growing number of security products and solutions. Your initial focus will be on overhauling the AWS Security platform and evaluating the use of AI to enable … automation of security in pipeline builds, you'll also work with GCP and will be encouraged to investigate and recommend new and emerging technologies. 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 upbeat team environment, casual More ❯

Cloud Security Engineer (AWS GCP) London / WFH to £80k Are you a Cloud security technologist with FinTech experience? You could be progressing your career at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Cloud Security Engineer you'll support, maintain, automate and improve IT … security platforms including securing Containers and CI / CD pipelines. You'll collaborate with developers and engineers to encourage a security-by-design culture within the business and ensure effective operation of a growing number of security products and solutions. Your initial focus will be on overhauling the AWS Security platform and evaluating the use of AI to enable … automation of security in pipeline builds, you'll also work with GCP and will be encouraged to investigate and recommend new and emerging technologies. 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 upbeat team environment, casual More ❯

Golang Developer / Backend Software Engineer (Go AWS) WFH / London to £100k Are you a Golang Developer with high throughput backend software engineering experience? You could be progressing your career in a senior, hands-on Golang Developer role at one of Europe's fastest growing audio content platforms with 176 million active users and ambitious growth plans … designing and developing systems that process petabytes of data and support high throughput traffic to ensure a seamless playback experience. You'll architect and develop backend services in Go / Golang within an AWS cloud environment. There's a variety of projects to get stuck into, you'll be working with a modern tech stack, continually improving and optimising … using the latest technology and techniques. Location / WFH: You'll be able to work from home most of the time, with the caveat that'll join the team in London once a month, there's a lot of flexibility, you may prefer to go in more often, the offices are seriously cool and offer a sociable environment with More ❯

Senior C# Developer / Software Engineer (Windows Desktop Trading Systems) London to £140k Are you a Senior C# Developer with strong Windows desktop development skills combined with banking / financial services experience? You could be progressing your career at a Hedge Fund with over $10 billion under management. As a Senior C# Developer you will work on critical … focus on building C#, WinForms, WPF desktop applications and design and implementation of scalable, service orientated architectures (SOA) but will also gain exposure to web applications using React and / or Angular. This is a senior, hands-on position, you'll collaborate with colleagues in the US and Canada and be the sole resource on these systems for the … UK. 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 and a range of facilities. About you: You have strong C# desktop development experience on Windows within a banking or financial services environment You have a strong More ❯

Senior Software Engineer / Developer (C# .Net) London onsite to £150k Are you an experienced C#, backend focussed Software Engineer? You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management. As a Senior Software Engineer within the trading engine team you'll collaborate to design and … basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript / React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You … are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior Software Engineer / Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now More ❯

Full Stack Engineer / Developer (JavaScript TypeScript) WFH / London to £75k Opportunity to progress your career as a Full Stack Developer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. As a Full Stack Engineer you'll collaborate with a small … and ensure solutions are highly scalable and maintainable. This is a great opportunity to join a scaling start-up in a role that you can shape and influence. 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 have strong … with occasional team meet-ups Private Healthcare Pension Opportunity to make a difference, working on Tech for Good Apply now to find out more about this Full Stack Engineer / Developer (JavaScript TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We More ❯

representative samples and applying consistent cleanup and tagging logic. Sourcing and validating raw data as well as doing data quality checks Reviewing the provided data from the sources and / or publicly available documents and publishing the data on our client's internal software Updating and processing data onto the database adhering to time sensitivity Maintaining and … key market players Applying problem-solving skills to enhance processes and software Take ownership and be proactive with key areas of responsibilities Requirements: Prior experience with mutual funds and / or ETPs in a data, operations, or compliance-related role. Strong understanding of fund legal structures and jurisdictional differences (e.g., UCITS, trusts, SICAVs). A collaborative and detail-oriented … mindset with strong problem-solving skills. Practical experience in data research and ability to derive information from public sources Bachelor or / and Master's degree in Finance / Economics or equivalent work experience High proficiency in Microsoft Excel and experience with programming languages is a must. Strong experience with Data quality checks and data manipulation. Knowledge or More ❯

Senior C# Developer / Software Engineer (C# .Net) London onsite to £150k Opportunity to progress your career in a senior, hands-on C# Developer role at a global Asset Manager with c$3 million under management. As a Senior C# Developer within the trading engine team you'll collaborate to design and develop real-time trading systems, you'll … basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript / React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You … are degree educated in Computer Science or similar technical discipline What's in it for you: As a Senior C# Developer / Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply More ❯

Golang Developer / Backend Software Engineer (Go Kafka API) London / WFH to £110k Do you have a deep knowledge of Go / Golang combined with software architecture and design skills? You could be progressing your career as a Golang Developer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving … scalability and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints, you'll be a key part of tech discussions and decision making. Location / WFH: You'll join colleagues in the London, Canary Wharf offices four days a week. About you: You're an experience backend focussed Software Engineer with strong commercial Go … / Golang development experience You have experience with system design, event driven architectures, Kafka, API development You have a product based mindset and commercial acumen You have a thorough understanding of Computer Science fundamentals such as OOP, Design Patterns, Data Structures You have experience of working on scalable, distributed systems You're collaborative with Agile team experience What's More ❯

Full Stack Engineer / Developer (JavaScript TypeScript ISO 27001) WFH / London to £75k Are you a security focussed Full Stack Developer looking for an opportunity to progress your career? You could be working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. … and ensure solutions are highly scalable and maintainable. This is a great opportunity to join a scaling start-up in a role that you can shape and influence. 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 have strong … with occasional team meet-ups Private Healthcare Pension Opportunity to make a difference, working on Tech for Good Apply now to find out more about this Full Stack Developer / Engineer (JavaScript TypeScript) 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 (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Backend Software Engineer you'll collaborate with a team of … high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as well as learning from industry experts on world finance. Location / WFH: You'll join the team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please … business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for you: As a Backend Software Engineer / Developer you will earn a competitive package: Salary to £180k Significant bonus earning potential Fund performance share Personal training budget and mentoring Family friendly benefits that include unlimited emergency More ❯

Backend Software Engineer / Developer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist Backend Software Engineer with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a Backend Software Engineer you'll collaborate with a team of … high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as well as learning from industry experts on world finance. Location / WFH: You'll join the team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please … business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for you: As a Backend Software Engineer / Developer you will earn a competitive package: Salary to £180k Significant bonus earning potential Fund performance share Personal training budget and mentoring Family friendly benefits that include unlimited emergency More ❯

Senior JavaScript Developer / Engineer (Web API Vue.js) London to £100k Do you have expertise with JavaScript combined with an engineering, problem-solving mindset? You could be progressing your career in a senior, hands-on Senior JavaScript Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and … for the job as well as own your own DevOps and deployment. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office … and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI / CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech More ❯

Backend Software Engineer / Developer (Python C++ Grid Computing) London / WFH to £135k Are you a skilled backend Software Engineer with C++ and Python coding skills combined with financial trading systems experience? You could be progressing your career in a senior, hands-on Backend Software Engineer position at the Investment Management arm of a global bank. As … scale analytical computations including Risk. You'll collaborate closely with Quantitative Analysts, working across the full software development lifecycle with a focus on Python and C++ backend development. Location / WFH: You'll join colleagues in the London, City office with flexibility to work from home once a week. About you: You have strong backend software engineering experience with … Assurance and more Perks such as shopping discounts and ability to work from home one day a week Apply now to find out more about this Backend Software Engineer / Developer (Python C++ Grid Computing) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually More ❯

Data Engineer (Python SQL ETL) London / WFH to £80k Are you a tech savvy Data Engineer with experience of working with sensitive patient / healthcare data? You could be progressing your career as a Data Engineer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients … scaling start-up in a role that you can shape and influence, you'll be encouraged to participate in architectural planning to improve overall data infrastructure and capabilities. 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 a … with occasional team meet-ups Private Healthcare Pension Opportunity to make a difference, working on Tech for Good Apply now to find out more about this Full Stack Engineer / Developer (JavaScript TypeScript) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We More ❯

C# Developer / Software Engineer (C# .Net SQL) *London onsite* to £180k+ Are you a technologist with a record of academic achievement? You could be progressing your career working on complex and challenging systems at a Hedge Fund with over $17 billion under management. As a C# Developer you'll collaborate with a team of highly intelligent technologists and … high performance streaming compute operations. You'll be equipped with all the latest kit to help you succeed as well as learning from industry experts on world finance. Location / WFH: You'll join the team in fantastic London (Soho) based offices that offer a wide range of facilities including nutritionally balance breakfast, lunch and all day snacks. Please … good business acumen, keen to take ownership and lead projects You're collaborative, enjoy problem solving and sharing ideas What's in it for you: As a C# Developer / Software Engineer you will earn a competitive package: Salary to £180k Significant bonus earning potential Fund performance share Personal training budget and mentoring Family friendly benefits that include unlimited More ❯

Kotlin , C++ , and Postgres , supporting millions of user endpoints and running as a scalable cloud service in AWS . Knowing large-scale datastore bottlenecks, asynchronous application design and client-server architecture will help you. What you'll be doing Diagnose and resolve complex application and infrastructure issues Participate in our 24x7 on-call rotation, SCRUM, and … scripting, and troubleshooting Demonstrable knowledge of Observability tools (New Relic, Splunk, DataDog) Comprehensive experience with AWS (Amazon Web Services) and its core capabilities (VPC, EC2, ECS, Route53, Fargate, ALB / NLB distributions, etc) Extensive experience with cloud automation and infrastructure-as-code (IaC) toolsets, primarily CloudFormation but also including Terraform, Helm and Ansible. CDK a plus. Good understanding of … containers, Fargate, Kubernetes, and overall distributed microservice architectures Passionate about automation, security, and self-service environments / portals Hands-on experience with CI / CD and SDLC (Software Development Life Cycle) processes Effective communication skills, both verbal and written. About Us NinjaOne automates the hardest parts of IT to deliver visibility, security, and control over all endpoints for More ❯

Senior Front End Developer / Engineer (JavaScript Vue.js) London to £100k Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Front End Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining … for the job as well as own your own DevOps and deployment. There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy. Location / WFH: There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office … and technologies You enjoy learning and picking up new things You're flexible and able to adapt to changing priorities You have full software development lifecycle experience including CI / CD and testing You're collaborative with Agile team experience, happy to mentor more junior developers You're likely to be degree educated in Computer Science or similar tech More ❯

Junior Systems Administrator / Windows SysAdmin London onsite to £55k Are you a bright, ambitious Systems Administrator with a strong knowledge of Windows and Active Directory? You could be progressing your career at a global Asset Manager with c$3 million under management. As a Junior Systems Administrator you will be a key member of a small team responsible … great communication skills You're naturally curious, use technology in your own time and are keen to learn What's in it for you: As a Junior Systems Administrator / Windows SysAdmin you will receive a competitive package: Salary to £55k Bonus paid every six months based on personal performance (c10%) Professional development Pension Health Insurance Gym membership Social … events, free fruit, snacks, coffee etc. Apply now to find out more about this Junior Systems Administrator / Windows SysAdmin opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life More ❯