London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Engineer / Developer (C# TypeScript) London / WFH to £85k Would like to progress your career as a Software Engineer, 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 Engineer / Developer More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
Cambridge, Cambridgeshire, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Developer in Test (SDET C# Azure API) Cambridge / WFH to £85k Do you have strong C# coding skills and a deep knowledge of Azure combined with test automation experience? You could be progressing your career in a senior, hands on role at a global InsurTech business that is producing game changing technology. As a Software Developer in … of new projects within the team as well as an ongoing transformation to SaaS Azure cloud based infrastructure, you'll play a key role in ensuring high quality. Location / WFH: There's a flexible work from home hybrid model, you'll join colleagues in the Cambridge office twice a week for team meet-ups and stakeholder meetings with … the other three days work from home. About you: You are a skilled Software Development Engineer in Test / SDET with strong C# coding skills You have experience with Selenium, Postman, Newman, RestSharp You have a strong understanding of Azure, ideally with an AZ-900 certification You have meticulous attention to detail You are collaborative and pragmatic with great More ❯
West London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend Developer / Software Engineer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Backend Developer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading silver … amongst others; you'll be encouraged to expand your skillset using the latest technologies and choosing the best tool for the job in a friendly Agile team environment. Location / WFH: You'll join the team in Central London with flexibility to work from home twice a week. About you: You are degree educated, having achieved a 2.1 or … and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Backend Developer / Software Engineer you will earn: Salary to £85k Bonus Hybrid working (x3 days in London per week) Learning and career development opportunities Apply now to find out more about More ❯
Reigate, Surrey, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Senior DevOps Engineer (Azure IaC SaaS) Reigate / WFH to £80k Would you like to work on a modern Azure based tech stack in a role which you can shape and make a real impact, progressing your career in a senior, hands-on position? You could be joining a long established global FinTech with a reputation for technical innovation … ll be working in a culture of technical excellence, debugging tooling and infrastructure issues and performance bottlenecks and keeping up to date with industry trends and emerging technology. Location / WFH: There's a remote interview and onboarding process as well as the ability to work from home most of the time, visiting the Reigate office twice a week … Engineer role within an Azure environment You have a good understanding of IaC principles and tools such as Terraform and Pulumi You have experience of building and improving CI / CD pipelines for product teams You have experience with cloud observability (logging, tracing, metrics, monitoring and alerting) You have experience with Containerisation - Azure Container Apps preferred You have strong More ❯
West London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Software Engineer / Developer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading whiskey. As … and Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Software Engineer / Developer you will earn: Salary to £85k Bonus Hybrid working (x3 days in London per week) Learning and career development opportunities Apply now to find out more about this … Software Engineer / Developer (Java 17 Kotlin AWS) opportunity. At ClientServer 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 and will never discriminate based on race, colour, religion, sex, gender identity More ❯
West London, London, United Kingdom Hybrid / WFH Options
Client Server
Backend Software Engineer / Developer (Java 17 Kotlin AWS) London / WFH to £85k Are you a technologist Backend Software Engineer with strong Java skills looking to progress your career, working with a modern cloud based infrastructure and a range of technology? You could be joining a hugely successful and growing commodities trading firm that specialise in trading … Linux so previous exposure to any of these would be beneficial You're collaborative with good communication skills What's in it for you: As a Backend Software Engineer / Developer you will earn: Salary to £85k Bonus Hybrid working (x3 days in London per week) Learning and career development opportunities Apply now to find out more about this … Backend Software Engineer / Developer (Java 17 Kotlin AWS) opportunity. At ClientServer 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 and will never discriminate based on race, colour, religion, sex, gender More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer / Developer (Python AWS AI) London / WFH to £110k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Backend Software Engineer you will architect and build highly … where you'll act as an "innovation champion", collaborating directly with the CTO, you'll have a lot of visibility and quickly see the results of your work. Location / WFH: There's a hybrid policy, with two days in the brand new London offices and flexibility to work from home three days a week. About you: You are … an experienced Software Developer / Engineer with a strong knowledge of modern best practice You have strong Python backend development skills, ideally also C# coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge of Computer Science fundamentals such as OOP, Data Structures, Design Patterns You More ❯
Lead Software Engineer / Developer (.Net Azure React) to £80k Are you a skilled Lead Software Engineer with strong C# .Net Core experience combined with a good knowledge of CQRS and Event Sourcing? You could be progressing your career at a financial services tech consultancy that specialise in solutions for Pensions and Investment Managers; continually learning and progressing your … Engineer you'll play a pivotal role in technical discussions, architecture and design decisions as well as overall product strategy, collaborating with the CTO and other business stakeholders. Location / WFH Policy: You can work remotely, from home most of the time, joining colleagues in the Bristol or London office fairly regularly (e.g. once a quarter). About you … scalable performant services You have experience with Cloud technologies such as Azure, AWS using Lambda (serverless architecture), they use both You have a good knowledge of microservices, DevOps, CI / CD, TeamCity, Octopus and non-relational databases, ideally MongoDB experience You also have some front end development skills with JavaScript, TypeScript, React, Redux You're collaborative with great communication More ❯
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Sopra Steria Limited
SOC Analysts, conduct monitoring and triage of alerts associated with host and network security events for our clients critical infrastructure and support the SOC through both delivery of client work and adding skills and ideas to this already diverse team. This role is based on site Hemel Hempstead and is shift work. 2 x days at 6am to … Solid grasp of client-server applications, multi-tier web applications, relational databases, firewalls, VPNs, and enterprise AntiVirus products. Good understanding of networking principles including TCP / IP, WANs, LANs, and commonly used Internet protocols such as SMTP, HTTP, FTP, POP, LDAP. It would be great if you had: Static malware analysis and reverse engineering. DV … Clearance. Programming and scripting such as Python, Perl, Bash, PowerShell, C++. CREST Practitioner Intrusion Analyst / Blue Teams Level 1 or other SOC related certifications. Experience with SIEM technologies, namely Sentinel and Splunk, with some experience with QRadar. If you are interested in this role but not sure if your skills and experience are exactly what were looking for More ❯
Employment Type: Permanent
Salary: 25 days holidays, 6% Contributory pension, 4 x life Insurance
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
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 ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
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 ❯
days ago Be among the first 25 applicants About 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 … 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 ❯
Hemel Hempstead, Hertfordshire, South East, United Kingdom
Walsh Employment
threat analysis In-depth understanding of: Client-server applications and multi-tier web environments Relational databases , firewalls , VPNs , enterprise AntiVirus solutions Networking principles (e.g. TCP / IP, WAN, LAN, SMTP, HTTP, FTP, POP, LDAP) Desirable (Nice-to-Have): Experience in static malware analysis and reverse engineering Active DV Clearance Scripting or programming with Python , Perl … Responsibilities As a SOC Shift Lead , you will ensure the smooth operation and continual enhancement of SOC processes and personnel. You will play a pivotal role in protecting client systems and guiding the team through sophisticated cyber defence challenges. Your responsibilities will include: Monitoring, triaging, and investigating alerts across host and network security systems Performing deep analysis of … a representative of the SOC in key meetings and internal stakeholder engagements Working shifts from the on-site Security Operations Centre in Hemel Hempstead About the Organisation Our client delivers cutting-edge digital solutions to clients in Central Government, operating in privileged environments where digital trust and national safety are paramount. We believe in a culture of collaboration More ❯
threat analysis In-depth understanding of: Client-server applications and multi-tier web environments Relational databases , firewalls , VPNs , enterprise AntiVirus solutions Networking principles (e.g. TCP / IP, WAN, LAN, SMTP, HTTP, FTP, POP, LDAP) Desirable (Nice-to-Have): Experience in static malware analysis and reverse engineering Active DV Clearance Scripting or programming with Python , Perl … Responsibilities As a SOC Shift Lead , you will ensure the smooth operation and continual enhancement of SOC processes and personnel. You will play a pivotal role in protecting client systems and guiding the team through sophisticated cyber defence challenges. Your responsibilities will include: Monitoring, triaging, and investigating alerts across host and network security systems Performing deep analysis of … a representative of the SOC in key meetings and internal stakeholder engagements Working shifts from the on-site Security Operations Centre in Hemel Hempstead About the Organisation Our client delivers cutting-edge digital solutions to clients in Central Government, operating in privileged environments where digital trust and national safety are paramount. We believe in a culture of collaboration 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 ❯
Leeds, Yorkshire, United Kingdom Hybrid / WFH Options
Sportserve
IT team members, serving as a subject matter expert in specific areas of IT systems and services. Required skills: Working knowledge of end-user computing and networking troubleshooting (TCP / IP, DNS, SMTP). Experience with IT infrastructure, systems administration, network management, and end-user support services. Experience with Service Management or Ticketing Tools like Jira Service Management, ServiceNow. … Experience with MDM platforms like Jamf Pro, Workspace One, Microsoft Endpoint Manager. Experience with Google Workspace. Scripting skills in PowerShell, Bash, or Python. Understanding of APIs. Understanding of client-server and web-based application architectures. Ability to design and implement practical solutions for complex requirements, including hands-on project implementation. We warmly invite applications in English. More ❯
thrive in small, agile teams where your work truly matters? Looking for a hybrid role where you can shape systems used in high-demand, real-world scenarios? Our client, a cutting-edge technology innovator, is searching for an Application Software Engineer to join their growing development function. This is your chance to contribute to sophisticated software that interfaces … rich setting. About You You're someone who loves diving into architecture, algorithms, and high-integrity systems. Perhaps you’ve already built applications in C# or worked with client-server models — now you're ready for the next challenge in a role that balances independence with teamwork. You’ll likely have experience with: Object-Oriented Programming … especially in C# Developing RESTful APIs in a client-server architecture Agile methodologies and collaborative software cycles Maintaining and upgrading existing software systems Working on both Windows and Linux platforms What in it for you: Flexibility : Hybrid setup with around 3 days a week in the office for collaboration, balance, and creativity Top-Notch Tech : Choose More ❯
client-side applications. Tasks include the creation of software for the calculation of financial metrics, processing, storing and efficient transfer of billions of real-time data updates / day for millions of financial instruments traded worldwide to platform components and to client applications. Development is primarily done in C++ 20 on Linux / MacOS … field of professional software development 3+ years of professional experience in designing and developing complex software solutions in C++ under Unix operating systems Experience in programming client/server systems and dealing with network protocols Experience with debugging using standard tools like gdb, tcpdump, strace Knowledge of multithreaded programming and common techniques for coordinating access … by 2x Get notified about new Senior Software Engineer jobs in London, England, United Kingdom . London, England, United Kingdom 3 weeks ago Senior Software Engineer - Card Integrations - Visa / Mastercard London, England, United Kingdom 3 weeks ago Senior Software Engineer (VP) – Equity Derivatives Technology London, England, United Kingdom 2 days ago Senior Lead Software Engineer - Team Lead - Accelerator More ❯
excellent choice for clients aspiring to elevate their latest multiplayer titles, enabling scalability in player numbers, maximising player density, and crafting immersive gameplay experiences. Embedded seamlessly within a client's in-house team, we collaborate harmoniously to turn dreams into reality. Our portfolio boasts groundbreaking games developed in collaboration with major studios worldwide. As a fully remote studio … Client-Server Game Architecture Excellent C++ programming skills, including proficiency in modern C++ standards (C+ and C+) Familiarity with cross-platform multiplayer game development (PC / Console) Strong experience with at least one (1) online gaming platform such as Xbox Live, Playstation Network, Steam, Nintendo Network, or similar What makes you stand out: Experience in … at least one additional programming- / scripting language (e.g. C#, Node.js, Go, or Lua) Experience developing sign-in flows, matchmaking, progression systems, user-generated content (UGC) and downloadable content (DLC) systems, and leaderboards Experience with Epic Online Services (EOS) Familiarity with integrating other online services (e.g., Toxicity Management Platforms, VoIP solutions, etc.) Experience in developing custom game backend solutions More ❯
Server environments. This role sits within the Applications workstream and involves close collaboration with the Customer Design Lead. You'll assess applications-Desktop, Web, Client/Server (2 / 3-tier), and database-based-to determine installation, configuration, interoperability, and security requirements. Your output: clear, high-quality technical and release documentation to … vendors and other teams to develop solution design documents for client approval and deployment into secure environments. Key Responsibilities Analyse applications and select integration templates for fixed / deployed platforms. Create technical and release documentation for deployments. Collaborate with vendors and internal teams on solution design. Report to the Workstream Lead and Scrum Master on progress, blockers … and risks. Ensure all designs meet internal process, quality, and security standards. Engage with customer stakeholders to resolve complex integration cases. Essential Skills & Experience Strong experience in application packaging / repackaging with industry-standard tools. Integration of COTS, GOTS, and client/server apps on Windows and / or Linux (e.g. RHEL). More ❯
Developer " to join our team, who will be responsible for developing custom functionality and implementing software systems for managing in-house manufacturing and business processes using the 'Odoo' Enterprise / Material Requirements Planning (ERP) platform. Prior experience of the Odoo platform is not necessary as the platform is open-source and designed to be extended with custom functionality, which … candidate will require a good knowledge of Python and JavaScript programming languages as well as an understanding of the basic concepts of relational databases, web-based client/server applications and have good problem-solving skills. This is an ideal role for an entry-level software engineering graduate looking to apply their programming skills in … world business environment and gain expertise in generating solutions for problems using Python, JavaScript, and database-driven applications. Key Responsibilities: Develop custom modules and features within the companies ERP / MRP platform. Implement software systems to capture, improve, migrate or streamline manufacturing and business processes. Write clean, efficient, and well-documented code in Python and JavaScript. Collaborate with cross More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Environments Team Lead (DevOps Infrastructure UAT) London / WFH Do you have experience of configuring complex, distributed systems? You could be progressing your career as a hands-on Environments Team Lead at a successful and growing FinTech that processed over £250 billion in business money transfers last year. As an Environments Team Lead you will create, configure and maintain … -critical systems for a global client base. You'll provide coaching and mentoring to a small team, passing on knowledge and developing the teams capabilities. Location / WFH: You can work from home most of the time, meeting up with colleagues in the City office once a week. About you: You have experience and a strong … including query writing and stored procedures You have experience with configuration and management of Windows and Linux servers You have a good understanding of cloud environment (AWS, Azure), CI / CD tools such as TeamCity and GitHub Actions, DevOps principles You're collaborative and pragmatic with excellent communication skills What's in it for you: As an Environments Team More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
C++ Developer / Software Engineer (TDD FX Options) London to £100k Are you a bright, ambitious C++ Developer with an eagerness to learn and progress your career working on complex financial trading systems? You could be joining the Investment Management arm of a global bank. As a C++ Developer you will design and develop full stack systems for new … to build the solutions they require. You'll work across the full software development lifecycle including assisting with architecture of new solutions, you'll be working with C++ 14 / 17 with a TDD environment but will also gain exposure to Python, TypeScript and React. You'll join a small, highly talented team, working across the full development lifecycle … and will be supported to progress your career. Location / WFH: You'll be based in the London office and have flexibility to work from home once a week. About you: You have achieved a 2.1 or above from a top tier university (e.g. Russel Group / Oxbridge) in Computer Science or similar technical or numerate discipline You More ❯