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Client Server

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305 jobs

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305 jobs Posted Sort

Client Server Limited

Senior Front End React Engineer — Lead, WFH + Equity

A senior/lead React engineer will own the frontend of a payments/events platform in London — leading front end architecture, collaborating with product and design, and integrating APIs and real-time data with backend engineers. Hybrid: 3-4 days in office initially, with travel abroad.

Data Engineer - Finance Data

Hands-on Data Engineer at a scaling investment-research tech company in London (with WFH options), working at the intersection of data engineering, database management and platform delivery. Core stack is Python, SQL and AWS; building data pipelines in a finance/fintech environment, salary up to £85k.

AWS Data Engineering Data Pipelines Fintech Python +1 skills

Release Engineering Lead Azure DevOps

Release Engineering Lead at a global InsurTech business, owning release management and DevOps for complex SaaS systems built on Azure DevOps. Hybrid role (Reigate / Bracknell with WFH flexibility), salary up to £130,000.

Azure Azure DevOps DevOps SaaS

Network Manager OT BESS - Renewable Energy

Network Manager (OT BESS SCADA Modbus) London / WFH to £100k Are you an experienced Network Engineer with a strong understanding of operational technology (OT) and network security? You could be progressing your career…

Modbus Network Security SCADA

Python Software Engineer - Technologist

Python Software Engineer / Backend Developer Cambridge to £80k Do you have strong backend software development experience using Python? You could be joining the world's most advanced cybersecurity technology business…

AI Cybersecurity Python

Founding Software Engineer Python - Start-up

Founding Software Engineer (Python) to £115k Are you an ambitious full stack Software Engineer who thrives in early-stage environments where you can shape both the technology and the product? You could be joining a…

Full Stack Engineer .Net JavaScript - Sports Betting

Full Stack Engineer / Developer (C# .Net Core JavaScript) St Albans / WFH to £100k Are you an ambitious Full Stack Engineer looking to apply your technical skills in a fast paced environment where technology, data and…

C# .NET JavaScript

Release Engineering Lead Azure DevOps

Release Engineering Lead at a global InsurTech business, owning release engineering/management for complex SaaS systems using Azure DevOps. The role combines a DevOps background with strong release management leadership; based in Reigate with WFH/flexible working, salary up to £130k.

Azure Azure DevOps DevOps SaaS

Backend Software Engineer C++ Windows - Finance

Backend Software Engineer / Developer (Windows C / C++, C#) London to £80k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a…

Release Engineering Lead Azure DevOps

Release Engineering Lead at a global InsurTech business: you own day-to-day releases for an assigned SaaS product stack while modernising CI/CD pipelines, release automation and governance across the estate. Hands-on role blending Azure DevOps, GitHub, IaC and GitOps with coaching engineering teams; hybrid (3 days WFH), up to £130k plus bonus.

Automation Azure Azure DevOps CI/CD Cloud +7 skills

Data Engineer - Finance Data

Hands-on Data Engineer building data pipelines in Python, SQL and AWS for a scaling investment-research tech company in London (with WFH options), at the intersection of data engineering, database management and platform delivery. Salary up to £85,000.

AWS Data Engineering Data Pipelines Fintech Python +1 skills

Data Engineer - Finance Data

A hands-on Data Engineer building and evolving a modern, scalable AWS cloud data platform at a growing investment-research tech company in London, focused on data pipelines, database management and platform delivery using Python, SQL and AWS. Role is London-based with WFH options, salary up to £85k.

AWS Cloud Data Engineering Data Pipelines Fintech +2 skills

C# Developer SQL ASP.Net - Tech Start-up

C# Developer joining a five-person London start-up building an online platform that connects customers with certified tradespeople. Day-to-day software engineering with C#, ASP.Net and SQL, working closely with an experienced CTO, onsite in Central London with a salary up to £50k.

Agile Project Manager - Tech Consultancy

An Agile Project Manager at a growing software and technology consultancy in Central London (hybrid London/WFH), driving end-to-end delivery of complex, cross-functional engineering programmes — from concept and design through build, testing and release — managing scope, dependencies and delivery outcomes, with a salary of up to £70k.

Client Server Limited

Senior C#/.NET Backend Engineer – SQL, London Onsite

UKFull-timeSenior

Senior backend C#/.NET engineer at Client Server Limited, building backend services full-time onsite in the company's London City office. Day-to-day work centers on C#/.NET services with strong SQL/Oracle database work, solid CS fundamentals, and stakeholder communication.

C# .NET Oracle SQL

Client Server Limited

Real-Time Backend Engineer (C#/.NET) – Trading, London Onsite

Design and build real-time trading systems for Client Server Limited in London, focusing on C#/.NET backend and API development with occasional JavaScript/React frontend work. An onsite role collaborating with the strategy team on greenfield projects you own end-to-end, paying up to £90k plus bonus.

API C# .NET JavaScript React

Client Server Limited

Backend Engineer (C#/.Net Core) – Growth, Perks & Newcastle

Builds robust backend services in distributed systems handling large data volumes using C#/.NET Core, contributing across the full software development lifecycle. Onsite role in Newcastle upon Tyne within a FinTech environment, Monday-Friday 09:00-18:00, with salary to £130k plus discretionary bonus.

C# Distributed Systems .NET Fintech

Senior Full Stack Engineer Vue C# .Net

A senior, hands-on full-stack engineer role at a global financial services company, helping rebuild its international corporate payments platform using Vue on the front end and C#/.NET on the back end. Based in Bracknell with a WFH option, salary up to £85,000.

Senior DevOps Engineer

Senior hands-on DevOps engineer joining a global financial services company to help rebuild its international payments platform within the Corporate Payments division. Day-to-day work centers on building scalable, resilient delivery platforms using AWS, VMware and GitHub, based in Bracknell with WFH flexibility, salary up to £95k.

AWS DevOps GitHub VMware

Senior Java Developer Spring Boot TDD

Senior Java Developer / Backend Engineer at a global games software house in Manchester (WFH options), paying up to £78k. Day to day you guide and inspire a small, high-performing team building real-time sports betting applications using Java, Spring Boot and TDD.

Java Spring TDD