26 to 36 of 36 Client/Server Jobs in London

Java Developer in London - client server

Location
City Of London, England, United Kingdom
Skills and Experience You possess strong development experience in Java and Kotlin. You have familiarity with Agile processes and Test-Driven Development (TDD). Technical Expertise You understand Computer Science, Object-oriented Programming (OOP), Design ...

Senior Python Engineer - Conversational AI (Remote UK)

Location
Greater London, England, United Kingdom
Client Server Limited is seeking a Python Software Engineer focused on Conversational AI in London. This remote-first role lets you work from home with monthly team meetups and flexible hours. You will design and implement production-grade AI systems, leveraging Python, LLMs ...

Senior C# .NET WPF Engineer – Front Office Trading (Hybrid)

Location
Greater London, England, United Kingdom
Client Server Limited in London is seeking a senior C# Software Engineer to design and implement frontend UI components in C# and WPF for a real-time trading platform. You will work closely with traders to understand requirements and translate them into robust, high-performance solutions. ...

SRE Go Engineer — Remote, Up to £100k + Unlimited PTO

Location
Greater London, England, United Kingdom
Client Server Limited seeks a Systems Engineer (SRE) with strong Go / Golang expertise in London, with remote‐working options up to 100k. You will design and build the infrastructure that runs production apps, while contributing to the backend codebase. Expect to tackle authentication, security ...

C++ Front Office Trading Engineer - Low-Latency, High Impact

Location
Greater London, England, United Kingdom
Client Server Ltd. is seeking a C++ Software Engineer for Front Office trading in London. You will focus on backend development for a core equity trading system, with ownership from design to delivery. The role requires strong C++ backend experience, trading environment familiarity, and excellent communication ...

IAM Engineer (Okta) – Secure Access & SSO, London

Location
Greater London, England, United Kingdom
Client Server Limited is looking for an Identity & Access Management Engineer (IAM Okta) in London to design, build, and maintain enterprise identity solutions using Okta, Entra ID and Active Directory. You will implement SSO, MFA, governance, and provisioning while collaborating with Infrastructure, Cloud, Security and Applications ...

Senior SRE (Go) - Remote, Unlimited PTO

Location
Greater London, England, United Kingdom
Client Server Limited in London is seeking a Senior Systems Engineer (SRE with Go) to own the design and delivery of scalable infrastructure for a fast-growing FinTech payments platform. The role focuses on building resilient Go services, managing authentication, security, networking and observability, and working ...

Lead Full Stack Engineer (TypeScript + Python) – Hybrid London

Location
Greater London, England, United Kingdom
Client Server Limited is seeking a Lead Full Stack Engineer specializing in TypeScript and Python API development in London. You will lead data transformation efforts, shaping technology and data strategies across a private equity portfolio to unlock growth and efficiency. The role blends hands-on coding ...

Head of Market Data Operations

Location
Greater London, England, United Kingdom
Client Server Limited is seeking a Head of Data Operations in London to lead market data services and drive data quality across asset classes. The role combines technical execution with strong stakeholder management and mentoring of a small team. You’ll work with front office teams ...

Remote Account Executive - MSP IT Security

Location
Greater London, England, United Kingdom
Client Server Ltd. is seeking a high-energy Account Executive in London to drive sales of managed IT security services. You will prospect, qualify and close 360 IT deals, handling discovery calls, demos, and negotiations to deliver results in a fast-paced tech environment. ...

Engineering London, UK or Ljubljana, Slovenia SDK Engineer

Location
Greater London, England, United Kingdom
Maven Central, SwiftPM, CocoaPods) Support customer integrations and investigate issues inside live production games Work with backend and data teams to shape the client-server contract You Need Senior experience shipping production mobile code on Android or iOS at scale Experience building an SDK or library ...