London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ClientServer we believe in a diverse workplace that More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ClientServer we believe in a diverse More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ClientServer we believe in a diverse workplace that allows people to play to their strengths and More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior Full Stack Engineer / Developer (React .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 … Engineer 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 front end applications … .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 ❯
Reigate, Surrey, South East, United Kingdom Hybrid / WFH Options
Client Server
Lead Software Engineer / Developer (C# .Net Azure SaaS) Reigate / WFH to £100k Do you have expertise with C# cloud based development combined with technical / team leadership skills? You could be progressing your career, in a senior, hands-on leadership role working on complex and technically challenging systems with continual learning opportunities a global Fintech. … other development teams to input into design and technical choices and provide technical guidance to your team in an Agile environment that encourages close collaboration and continual improvement. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings with … knowledge of event driven architecture You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patters, Algorithms You have a good understanding of CI / CD and Infrastructure as Code (IaC) You're likely to be degree educated in a relevant STEM discipline What's in it for you: As a Lead Software Engineer More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior C++ Software Engineer / Developer (Linux SQL C++17) London / WFH to £110k Global-leading FinTech is seeking a Senior C++ 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 … solutions for peak operational efficiency and optimum business performance for their clients. This is an exciting opportunity to accelerate your career alongside established business and technology leaders, and gain / deepen your finance experience. As a C++ 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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ClientServer we believe in a diverse workplace that allows people to play to their strengths and continually learn. We More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
Reigate, Surrey, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Lead C# Developer / Software Engineer (C# .Net Core Azure) Reigate / WFH to £95k Are you a backend focussed C# technologist looking for an opportunity to work on cutting edge SaaS technology? You could be progressing your career in a senior hands-on role at a global InsurTech. As a Lead C# Developer you will take a … large scale calculation systems, you'll remain hands-on whilst helping to set standards and providing technical project leadership within an Agile development environment that encourages close collaboration. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Reigate office twice a week for team meet-ups and stakeholder meetings. About … Developer you will earn a competitive salary package including: Salary to £95k Bonus (c20%) 25 days holiday (and ability to buy more) Pension, Health Care, Life Assurance Enhanced maternity / paternity packages Professional training and career development Hybrid work from home (x2 days office) Apply now to find out more about this Lead C# Developer / Software Engineer More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Python Software Engineer / Developer (Azure Databricks FastAPI) London to £90k Are you a data centric Python Software Engineer? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. As a Python Software … model data for a variety of purposes. You'll also collaborate with the Infrastructure team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong … X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Python Software Engineer / Developer opportunity. At ClientServer we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an More ❯
St. Albans, Hertfordshire, South East, United Kingdom Hybrid / WFH Options
Client Server
C# Developer / Full Stack Engineer (.Net Core JavaScript) St Albans / WFH to £100k Do you have expertise with C# .Net backend development combined with JavaScript skills? You could be progressing your career in a senior hands-on role at a technology driven trading company that invest in Sports betting markets with a flat structure where you … systems within a microservices environment (300 services). You'll be working with a modern tech stack using C# .Net Core, AWS, Kubernetes, Kafka, Redis and TypeScript / Angular; using the right tool for the job, you'll be able to pick up new technologies and make recommendations for improvements. WFH Policy: You'll join colleagues in … enjoy collaborating, learning new things and sharing knowledge You are degree educated in Computer Science or closely related discipline What's in it for you: As a C# Developer / Full Stack Engineer you will earn a competitive package: Salary to £100k Bonus 25 days holiday, rising to 30 after 2 years Enhanced parental leave Contributory pension scheme Private More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack 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 processes and delivering CO2 carbon neutral targets, the company … 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 free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50 / 50 split You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine, you will also have experience with Python, Node.js and TypeScript You More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Developer / 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 Software Developer you'll collaborate with a team of highly intelligent technologists and finance … 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 Software Developer / 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 emergency More ❯
Strategic Account Executive Cambridge / WFH to £80k + commission Do you have experience of selling vehicle simulation, automotive software and SaaS solutions? You could be progressing your career in an impactful Strategic Account Executive at a highly successful and scaling SaaS tech company, the core product is an AI and Machine Learning platform that is used within the … e.g. engine calibration, performance, in-car navigation and entertainment. As a Strategic Account Executive to drive growth across Europe's leading automotive OEMs, Tier 1 suppliers and off-highway / on-highway engine / EV manufacturers. You'll employ a consultative sales approach across new business development to identify, qualify and close new clients, managing the full sales … product development. Typically you'll be working on large, long term, strategic sales and partnerships as well as expanding existing client relationships using the LAER methodology. Location / WFH: You can work from home most of the time, meeting up with colleagues in the Cambridge once or twice, the office is close to the station and has More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Engineer / Developer (Python Databricks FastAPI) London to £90k Are you a data centric Software Engineer with strong Python and SQL skills? You could be progressing your career in a senior, hands-on role at a fast growing, global Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cybersecurity insurance markets. … model data for a variety of purposes. You'll also collaborate with the Infrastructure team to maintain Infrastructure as Code and develop new features on the engineering platform. Location / WFH: There's a hybrid work from home model with three days a week in the high spec London, City office with rooftop bar. About you: You have strong … membership X4 paid volunteering days per year Season ticket loan Employee Assistance Programme Impactful role with great career progression Apply now to find out more about this Software Engineer / Developer (Python Databricks FastAPI) opportunity. At ClientServer we believe in a diverse workplace that allows people to play to their strengths and continually learn. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Application Support Engineer (Linux OOP Perl MySQL) London / WFH to £55k Are you a technologist Application Support Engineer with the ability to read and understand object orientated code? You could be joining a market leading FinTech company that provides a highly functional suite of software products to support post-trade processing for clients including most of the financial … experience You have a strong understanding of Linux OS (they use RedHat) including command line You have strong SQL skills, ideally with MySQL experience You're able to script / code with Perl, Shell or bash, can read OO code and are familiar with SQL commands You have a basic networking and Cloud knowledge You're collaborative, with excellent … facing skills What's in it for you: As an Application Support Engineer you will earn a competitive package: Salary to £55k + on-call payments (c£7k p / annum) Bonus Private Medical Insurance Employee Assistance Programme (including 24 / 7 GP, mental health support, financial and legal advice) 25 days holiday 5% pension contribution Discretionary bonus More ❯