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Client Server Limited

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283 jobs

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283 jobs Posted Sort

Client Server Limited

Senior Full Stack Engineer Vue C# .Net

New RemoteUKSenior

Senior full-stack engineer at a global financial services company rebuilding its international payments platform: owns features end-to-end with roughly 70% Vue.js frontend and 30% C#/.NET backend/API work, using AWS, microservices and SQL. Mostly work-from-home with two days a week in the Bracknell office.

API AWS Cloud C# .NET +7 skills

Client Server Limited

Hybrid Senior Full-Stack Engineer (Vue + C#/.NET)

New HybridUKSenior

Senior full-stack engineer in Bracknell (hybrid: mostly remote, twice-weekly in office) owning features end-to-end across a Vue.js frontend and C#/.NET backend, driving architecture decisions and working with Product, Design, and Compliance. A regulated payments background and STEM degree are pluses.

Client Server Limited

Full Stack Engineer / Technical Lead B2B Saas

Technical lead role at a B2B SaaS provider of serverless real-time infrastructure that processes billions of messages daily. You'd own technical strategy and architecture for developer ecosystems, define API/SDK design standards, lead cross-team initiatives, and mentor engineers. Core stack: Ruby, TypeScript, React; mostly remote with monthly meetups at a North London office.

AI API Automation Design Patterns iOS +8 skills

Lead C# & .NET Core Backend Engineer (Hands-on Leader)

A hands-on lead backend engineer role in Newcastle upon Tyne: you own C#/.NET Core backend systems, architect APIs and microservices, and mentor a growing team while guiding technical decisions and roadmaps. Onsite position with competitive package and bonus potential.

API C++ C# .NET Java +2 skills

Client Server Limited

Lead Python Developer & Team Lead - FinTech, Hybrid London

Lead Python Developer & Team Lead in London (hybrid) heading a small team on a core banking platform: delivering features, refactoring, and blending architecture/design with people management and mentoring. Core stack: Python, FastAPI, cloud services, and SDLC; a STEM degree (2.1+) is required.

API Cloud FastAPI Python SDLC

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

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

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