Client/Server Jobs in London

26 to 50 of 86 Client/Server Jobs in London

Backend Software Engineer C++ Python - Buy Side

London
Hybrid / WFH Options
Client Server
Backend Software Engineer / Developer (C++ Python Linux) London / WFH to £160k Do you have expertise with C++ / Python backend development? You could be progressing your career working on complex, real-time systems at a global Hedge Fund in a senior, hands-on Backend Software … across the full development lifecycle, from requirements analysis through to solution delivery; there's lots of problem solving within a fast paced environment. Location / WFH: You'll join a highly talented team in the London office three days a week with flexibility to work from home the other … a buy-side firm (i.e. Hedge Fund or trading company), including experience in Futures and FX You have a strong knowledge of Linux OS / Systems Administration You have a good understanding of computer architecture, databases, real-time systems, distributed computing, OOP, Data Structures, Design Patterns, Algorithms You're more »
Employment Type: Permanent
Salary: £120,000 - £160,000
Posted:

Software Developer C# .Net Core AWS

London
Hybrid / WFH Options
Client Server
Software Developer / Engineer (C# .Net Core AWS) London / WFH to £90k Are you a Software Developer with strong C# skills who enjoys collaborating and working on complex systems with cutting edge technology? You could be progressing your career at a highly profitable Hedge Fund that invests … a team of highly skilled engineers as well as business stakeholders, continually learning, assessing new technologies and making recommendations within a flat structure. Location / WFH: You'll be based in fantastic offices in a vibrant area of London with in-house gym and steam room, games room with … serverside development skills, including .Net Core and multi-threading You have a good knowledge of AWS and Kubernetes The tech stack also includes JavaScript / TypeScript, Blazor and React for client side applications; experience with any of these would be beneficial but you can pick them up more »
Employment Type: Permanent
Salary: £75,000 - £90,000
Posted:

C# Developer / Team Lead .Net Core Full Stack

London
Hybrid / WFH Options
Client Server
C# Developer / Team Lead (C# .Net Core Full Stack) London / WFH to £100k Do you have strong technical knowledge combined with leadership and people management skills? You could be joining a growing FinTech that provide trading platforms to a range of finance professionals. As a C# … Developer / Team Lead you'll head up two product aligned Agile software development teams (c15 people), supporting and coaching them to make high level architectural decisions and design choices whilst ensuring technical standards, tooling and implementation. You'll collaborate with Product Owners to create technology solutions that meet … seek to identify areas for business process improvement through technology and help to implement change in an influential role that could quickly progress. Location / WFH: You can work from home most of the time, joining the team in the office around once a fortnight (or more often if more »
Employment Type: Permanent
Salary: £90,000 - £100,000
Posted:

C# Developer / Team Lead .Net Core Full Stack

City of London, London, United Kingdom
Hybrid / WFH Options
Client Server
C# Developer / Team Lead (C# .Net Core Full Stack) London / WFH to £100k Do you have strong technical knowledge combined with leadership and people management skills? You could be joining a growing FinTech that provide trading platforms to a range of finance professionals. As a C# … Developer / Team Lead you'll head up two product aligned Agile software development teams (c15 people), supporting and coaching them to make high level architectural decisions and design choices whilst ensuring technical standards, tooling and implementation. You'll collaborate with Product Owners to create technology solutions that meet … seek to identify areas for business process improvement through technology and help to implement change in an influential role that could quickly progress. Location / WFH: You can work from home most of the time, joining the team in the office around once a fortnight (or more often if more »
Employment Type: Permanent, Work From Home
Posted:

Software Developer Full Stack React C#

London
Hybrid / WFH Options
Client Server
Software Developer / Engineer (Full Stack React C#) London / WFH to £70k Are you a technologist Software Developer with full stack development skills looking to work with a modern tech stack in a role where you can see the results of your work? You could be progressing … Machine Learning driven SaaS platform. As a Software Developer you'll have a range of interesting projects to work on, with roughly a 50 / 50 split between back and front end development. You'll design and develop Greenfield software within an Agile team environment working across the full … integral part of a small Agile development team where you'll contribute to technical discussions and decision making and have your voice heard. Location / WFH: You can work from home most of the time, meeting up with the team in London around once a week / fortnight. more »
Employment Type: Permanent
Salary: £55,000 - £70,000
Posted:

Full Stack Developer .Net React AWS

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Full Stack Developer / Engineer (.Net React AWS SaaS) London / WFH to £70k Are you a technologist with full stack development skills looking to work with a modern tech stack in a role where you can see the results of your work? You could be progressing your … Learning driven SaaS platform. As a Full Stack Developer you'll have a range of interesting projects to work on, with roughly a 50 / 50 split between back and front end development. You'll design and develop Greenfield software within an Agile team environment working across the full … integral part of a small Agile development team where you'll contribute to technical discussions and decision making and have your voice heard. Location / WFH: You can work from home most of the time, meeting up with the team in London around once a week / fortnight. more »
Posted:

C++ Developer Windows - Trading Systems

London
Hybrid / WFH Options
Client Server
C++ Developer / Backend Software Engineer (Windows C / C++) London to £75k FTC Are you a backend focussed 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 … years to complete, you'll be employed on a FTC basis for 12 monthly terms with the option to go permanent on completion. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home twice a day. 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 more »
Employment Type: Permanent
Salary: £65,000 - £75,000
Posted:

Lead Full Stack Developer C# React

London
Hybrid / WFH Options
Client Server
Lead Full Stack Developer / Engineer (C# React) London / WFH to £100k Are you a technologist with strong leadership skills looking for an opportunity to make an impact at a tech scale-up? You could be progressing your career as a Lead Full Stack Developer at a … team to participate in the development of and lead the execution of the product roadmap, prioritising feature development in support of business objectives. Location / WFH: You can work from home most of the time, meeting up with the team in London around once a week / fortnight. … strong technical skills across the full stack including C# for backend development and React for UI development (other technologies in the stack include TypeScript / JavaScript and AWS) You have strong technical and / or team leadership experience, you're able to organise and motivate the team, instil more »
Employment Type: Permanent
Salary: £85,000 - £100,000
Posted:

Senior C++ Developer - Cryptocurrency

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Senior C++ Developer / Software Engineer London / WFH to £300k+ Are you a C++ technologist with low latency and cryptocurrency exchange experience? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Senior C++ Developer you will … systems. There are many complex technical challenges, you'll be collaborating with a highly talented to solve problems and push what is possible. Location / WFH: You'll join colleagues based in high spec offices with free breakfast and lunch at the onsite restaurant, with flexibility to work from … as OOP, Design Patterns, Data Structures You're collaborative with excellent communication skills What's in it for you: As a Senior C++ Developer / Software Engineer you will earn a competitive package: Salary to £300k Significant Bonus Pension Private Healthcare 25 days holiday Opportunity to work on Greenfield more »
Posted:

Full Stack Developer C# .Net Angular - FinTech

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Full Stack Developer / Engineer (C# .Net Angular) London / WFH to £100k Are you a technologist who enjoys working across the full stack using a range of technologies? You could be progressing your career at a hugely successful, global FinTech / FX brokerage whilst enjoying a … of the product you deliver. You will be able to fully develop new features end-to-end, in a structured yet agile environment. Location / WFH: There's a hybrid work from policy; you'll join colleagues in impressive London, City offices three days a week. About you: You … You have strong analysis and problem solving skills You're collaborative with excellent communication skills Ideally you will have experience in a similar FinTech / financial services environment You're likely to be degree educated, Computer Science or similar technical discipline What's in it for you: As a more »
Posted:

JavaScript Developer React Java - FinTech

London
Hybrid / WFH Options
Client Server
JavaScript Developer / Engineer (React Java) London / WFH to £60k Are you a technologist JavaScript Developer? You could be progressing your career at a market leading FinTech that provide real-time web connectivity market data and trading services to investment banks and other financial institutions worldwide. As … ll be working with a range of technologies including JavaScript, HTML5, CSS as well as React, React Native, Redux and backend Java integration. 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 strong Front End development skills including strong Vanilla JavaScript You have a good knowledge of React.js / React Native, HTML and CSS You have a good understanding of backend Java development You have a good knowledge of Computer Science fundamentals such as OOP, Data Structures, Design Patterns You more »
Employment Type: Permanent
Salary: £50,000 - £60,000
Posted:

Lead Full Stack Developer JavaScript Java

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Lead Full Stack Developer / Engineer (JavaScript Java) London / WFH to £80k Are you a technologist with leadership skills? You could be progressing your career in a hands-on leadership role at a market leading FinTech that provide real-time web connectivity market data and trading services … Redux and backend Java integration, with around 30-40% of your time hands-on with the focus on managing and leading the team. Location / WFH: You can work from home most of the time, meeting up with colleagues in the London office once or twice a month. About … you: You have strong Front End development skills including JavaScript, TypeScript, HTML5, CSS and a good knowledge of React.js / React Native You have experience with backend Java development You have leadership / mentoring skills and are keen to be more leadership focussed You're collaborative with great more »
Posted:

Java Developer Low Latency Trading

London
Hybrid / WFH Options
Client Server
Java Developer / Software Engineer (Low Latency Trading) WFH / London to £120k Do have expertise with Java development combined with low latency trade order management systems experience? You could be progressing your career in a senior, impactful role at a growing FinTech that provide trading platforms to … improvements to the trading infrastructure, keeping up to date with the latest trends and development techniques to help unlock growth and enhance profitability. Location / WFH: You can work from home most of the time, meeting up with colleagues in the London office once a month (or more often … development experience including multi-threading You have experience of working on low latency trade order routing systems You have an understanding of time series / tick databases e.g. KDB You have advanced analysis and problem solving skills You have commercial acumen / entrepreneurial outlook Ideally you will have more »
Employment Type: Permanent
Salary: £100,000 - £120,000
Posted:

Backend Software Engineer C++ Linux

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Backend Software Engineer / Developer (C++ Linux) London / WFH to £300k+ Are you a backend focussed Software Engineer with C++ and Linux expertise? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As a Backend Software Engineer you … systems. There are many complex technical challenges, you'll be collaborating with a highly talented to solve problems and push what is possible. Location / WFH: You'll join colleagues based in high spec offices with free breakfast and lunch at the onsite restaurant, with flexibility to work from … as OOP, Design Patterns, Data Structures You're collaborative with excellent communication skills What's in it for you: As a Backend Software Engineer / Developer (C++ Linux) you will earn a competitive package: Salary to £300k Significant Bonus Pension Private Healthcare 25 days holiday Opportunity to work on more »
Posted:

Backend Software Engineer Java Low Latency

London
Hybrid / WFH Options
Client Server
Backend Software Engineer / Developer (Java Low Latency Trading) WFH / London to £120k Do have expertise with backend Java development combined with low latency trade order management systems experience? You could be progressing your career in a senior, impactful role at a growing FinTech that provide trading … improvements to the trading infrastructure, keeping up to date with the latest trends and development techniques to help unlock growth and enhance profitability. Location / WFH: You can work from home most of the time, meeting up with colleagues in the London office once a month (or more often … development experience including multi-threading You have experience of working on low latency trade order routing systems You have an understanding of time series / tick databases e.g. KDB You have advanced analysis and problem solving skills You have commercial acumen / entrepreneurial outlook Ideally you will have more »
Employment Type: Permanent
Salary: £100,000 - £120,000
Posted:

Full Stack Developer C# .Net SQL TypeScript

London Area, United Kingdom
Hybrid / WFH Options
Client Server
Full Stack Developer / Engineer (C# .Net SQL TypeScript) Remote / London to £70k Tech driven payments company, that provide an excellent work life balance and clear career progression, is seeking a Full Stack Developer to join their team. Salary & Benefits: working to £70k plus equity cloud-based … .Net Core, Kubernetes, Azure, and serverless Microservices architecture; you’ll be mainly focussed on backend work but will also have exposure to TypeScript, React / Next.js on the front end. The company’s open banking solution enables customers to make convenient and secure online payments, saving companies time and … commercial C# .Net development skills have a good knowledge of SQL also have had exposure to front end development with languages such as JavaScript / TypeScript, React, Next.js you will have experience with cloud technologies (Azure) have an understanding of Payments processing or real-time programming collaborative, enthusiastic and more »
Posted:

Software Engineer Java API AWS

London
Hybrid / WFH Options
Client Server
Software Engineer / Developer (Java API AWS) London / WFH to £90k Are you a technologist with strong Java backend development skills? You could be progressing your career working on a financial Tech for Good product in a hands-on Software Engineer role at a scale-up software … range of programming languages You're likely to be degree educated, Computer Science preferred What's in it for you: As a Software Engineer / Developer you will earn a competitive package including: Salary to £90k Pension Private healthcare Life Assurance and Income Protection Tax free childcare Apply now … or call to find out more about this Software Engineer / Developer (Java API AWS) 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 »
Employment Type: Permanent
Salary: £75,000 - £90,000
Posted:

Backend Software Engineer C++ Linux TMP

London
Hybrid / WFH Options
Client Server
Backend Software Engineer / Developer (C++ Linux TMP) London / WFH to £300k+ Do you have expertise with C++ backend development, with experience of building low latency trading systems? You could be progressing your career in a senior, hands-on role at a global systematic trading firm. As … of a small, Agile team that is embarking on building a new, low latency, trade execution system from scratch utilising modern C++ (C++ 20 / C++ 23) and Template Meta Programming techniques. You'll be working across the full development lifecycle including design and architecture through to deployment, collaborating … systems. There are many complex technical challenges, you'll be collaborating with a highly talented to solve problems and push what is possible. Location / WFH: You'll join the team in London 3-4 days a week with flexibility to work from home; when you're in the more »
Employment Type: Permanent
Salary: £150,000 - £300,000
Posted:

Back End Developer Java API AWS

London
Hybrid / WFH Options
Client Server
Back End Developer / Engineer (Java API AWS) London / WFH to £85k Are you a technologist with strong Java backend development skills? You could be progressing your career working on a financial Tech for Good product in a hands-on Back End Developer role at a scale … have a focus on backend development and will have the autonomy to choose the right tool for the job and introduce emerging technologies. Location / WFH: There's a hybrid model, you'll join colleagues in the London, City office three days a week with flexibility to work from … of programming languages You're likely to be degree educated, Computer Science preferred What's in it for you: As a Back End Developer / Engineer you will earn a competitive package including: Salary to £85k Pension Private healthcare Life Assurance and Income Protection Tax free childcare Apply now more »
Employment Type: Permanent
Salary: £78,000 - £85,000
Posted:

Senior Software Engineer C# .Net 8 AWS

London
Hybrid / WFH Options
Client Server
Senior Software Engineer / Developer (C# .Net 6 AWS) London to £85k Are you a technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of perks … large scale data processing and will be able to assess and recommend new and emerging technologies, using the best tool for the job. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. About … and understand the challenges involved You have strong analysis and problem, solving skills You have SQL experience You have a good understanding of CI / CD and Infrastructure as Code (Terraform) You're familiar with other languages such as Java and are open to learn new things You're more »
Employment Type: Permanent
Salary: £78,000 - £85,000
Posted:

Back End Developer C# .Net 6 SQL AWS

London
Hybrid / WFH Options
Client Server
Back End Developer / Engineer (C# .Net 6 AWS) London to £65k Are you a C# technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider. As a Back End Developer … large scale data processing and will be able to assess and recommend new and emerging technologies, using the best tool for the job. Location / WFH: You'll join colleagues in the City office three days a week with flexibility to work from home the other two days. About … a good understanding of SOLID, DRY or KISS Design Principles You have SQL experience You have a good understanding of AWS (or Azure), CI / CD and Infrastructure as Code (Terraform) You're familiar with other languages such as Java and are open to learning new things e.g. Apache more »
Employment Type: Permanent
Salary: £58,000 - £65,000
Posted:

Senior Fullstack Java Developer

London
Nexus Jobs Limited
Job Description 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 … 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 more »
Employment Type: Permanent
Salary: £60,000 - £75,000
Posted:

Senior Business Analyst - Physical Oil Trading

London
Hybrid / WFH Options
Client Server
Senior Business Analyst London / WFH to £110k Are you a client facing Business Analyst with a strong knowledge of Physical Oil Trading? You could be progressing your career in a senior, hands-on role at a global commodities trading platform software house. As a Senior Business … Analyst you'll utilise your knowledge of Commodity Logistics / Operations to liaise with clients (banks, financial institutions) to understand their bespoke system requirements; you'll be gathering requirements for complex financial products and communicating the products capabilities and functionalities. You'll design and optimise business processes and manage … the delivery of the product to meet expectations, producing technical documentation (e.g. business requirement documentation, Use Cases, GUI / Interface designs, process flows) and communicating with all parties throughout the software development lifecycle. Location / WFH: You'll join a small, friendly and professional team in South East more »
Employment Type: Permanent
Salary: £90,000 - £110,000
Posted:

.Net Developer F# C# TypeScript Full Stack

London
Hybrid / WFH Options
Client Server
.Net Developer / Software Engineer (F# C# .Net TypeScript React) London to £140k+ Do you have expertise with .Net, enjoy working with a range of range of programming languages across the full tech stack? You could be working on complex and interesting real-time systematic trading systems, with complex … new instruments and venues, developing new trading capabilities, all the technology is proprietary with a focus on writing computational, efficient low latency code. Location / WFH: You'll join accomplished colleagues in the London office with flexibility to work from home one day a week (there are also flexible … other relevant discipline, having gained a 2.1 or above from a top tier university What's in it for you: As a .Net Developer / Software Engineer you will earn a competitive package: Salary to £140k Bonus (c25%), discretionary 26 days holiday (in addition to Bank Holidays) Pension Interesting more »
Employment Type: Permanent
Salary: £100,000 - £140,000
Posted:

Full Stack Technical Lead C# React

London
Hybrid / WFH Options
Client Server
Full Stack Technical Lead (C# React) London / WFH to £100k Are you a technologist with strong leadership skills looking for an opportunity to make an impact at a tech scale-up? You could be progressing your career as at a successful and growing AdTech company as they expand … team to participate in the development of and lead the execution of the product roadmap, prioritising feature development in support of business objectives. Location / WFH: You can work from home most of the time, meeting up with the team in London around once a week / fortnight. … strong technical skills across the full stack including C# for backend development and React for UI development (other technologies in the stack include TypeScript / JavaScript and AWS) You have strong technical and / or team leadership experience, you're able to organise and motivate the team, instil more »
Employment Type: Permanent
Salary: £85,000 - £100,000
Posted:
Client/Server
London
10th Percentile
£51,250
25th Percentile
£67,500
Median
£85,000
75th Percentile
£105,000
90th Percentile
£133,750