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Client Server

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84 jobs

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84 jobs Posted Sort

Client Server Limited

Lead Full Stack Engineer TypeScript Python API

Lead Full Stack Engineer at a profitable London private equity firm, working at the intersection of tech, data, strategy and investment — leading data diligence and shaping tech/data strategy for portfolio companies. Day to day spans TypeScript and Python development, cloud data platforms (AWS/Azure/GCP) and agentic AI, hybrid with three days a week in the London office.

Agentic AI AI Analytics API AWS +5 skills

100K – 125K £

Client Server Limited

Python Developer / Team Lead - FinTech

A hands-on Python Developer / Team Lead at a profitable FinTech start-up, leading a small team building features for a core banking platform that integrates with major banks like HSBC. Roughly a 50/50 split between architecture/design and people management, using Python, FastAPI and GCP in a hybrid London role.

API AWS Azure CI/CD Cloud +7 skills

100K – 120K £

Client Server Limited

Lead Python Developer & Team Lead — Hybrid (London)

Lead a small London tech team as a hands-on Python Developer & Team Lead, splitting time 50/50 between architecture/design and people management while delivering features and refactoring a core banking platform. Core stack: Python, APIs, cloud services, CI/CD; hybrid model with office days in London and up to two remote days per week.

API CI/CD Cloud Python

Senior Python Developer / Consultant SaaS

Hands-on senior Python consultant building cloud-based SaaS for law firms at a profitable scale-up, leading bespoke client projects end-to-end from design to deployment on AWS using Python, FastAPI and CDK. Hybrid role based in Manchester (3 days on-site), salary up to £80k.

AWS CDK Cloud DevOps FastAPI +2 skills

Client Server Limited

Python Developer

A Python backend developer joins an R&D team building a new greenfield product that uses AI to defend against AI-based cyberattacks. Day-to-day involves building complex Python backend systems, rapid prototyping, and working with Rust, TypeScript/C++ and cloud platforms (AWS/Azure/GCP) in a hybrid role based in Cambridge.

AI AWS Azure Cloud C++ +6 skills

VP Data Technology Transformation - Private Equity

Open 19d HybridUKC-level

Overview As VP Data Technology Transformation, you will lead data strategy, diligence, and execution across the fund and portfolio companies. You’ll partner with c-suite investors and data leaders to align strategies,…

AWS Azure Ccpa Cloud Data Governance +8 skills

Client Server Limited

Full Stack Engineer .Net JavaScript - Sports Betting

Open 21d HybridUK

Full stack engineer building platforms used to analyse and trade on global sports markets: designing features across a microservices ecosystem with C# .NET Core on the backend and JavaScript/TypeScript with Angular on the frontend, using AWS, Kubernetes and Kafka. Office-based in St Albans with 2 days WFH per week; salary up to £100k.

Angular AWS Cloud C# Design Patterns +9 skills

Backend Developer Golang Node Pub / Sub

Overview As a Backend Developer, you will shape the core messaging platform that powers real-time interactions at scale. You’ll design and build highly scalable distributed systems and low-latency Pub/Sub components…

AI Cloud Distributed Systems Event Driven Architecture Kafka +3 skills

Senior Data Engineer - Finance Data

Open 21d UKSenior

Overview In this Senior Data Engineer role you shape a modern, cloud-based data platform on AWS for a finance-focused technology team. You will design and maintain scalable data pipelines and ingestion workflows,…

Airflow AWS Cloud Dagster Data Engineering +11 skills

Lead Backend Engineer - Technologist

Open 21d UKLead

Overview In this role you will lead backend engineering to design and implement core application logic, APIs and microservices for data processing and integrations, while ensuring secure, reliable server environments.…

API Api Design AWS Azure Cloud +13 skills

Client Server Limited

Lead Backend Engineer - Technologist

Open 22d UKFull-timeLead

Lead Backend Engineer joining the consulting division of Client Server's Newcastle office, serving a scaling FinTech. Day to day: designing backend logic, building APIs and microservices (Python, TypeScript), maintaining secure server environments, mentoring engineers, and gathering requirements directly with clients. Full-time onsite, salary to £130k + bonus.

API AWS Azure CI/CD Cloud +16 skills

Client Server Ltd.

Senior C# Backend Engineer: API, Microservices, WFH

Open 25d UKSenior

Client Server Ltd. in Bracknell, Berkshire seeks a senior backend C# Developer to lead the rebuild of a payments platform. You’ll own backend services, build robust APIs with C# .Net Core, and influence architecture…

AI API AWS Cloud C# +4 skills

Lead Python Backend Engineer (APIs, FastAPI) – Hybrid

Open 26d UKLead

Lead a small London tech team building and refactoring a core banking platform, splitting time 50/50 between architecture/design and people management. Day-to-day work spans API development with Python/FastAPI, GCP cloud services, and CI/CD in a hybrid fintech setting.

API CI/CD Cloud FastAPI Fintech +1 skills

Azure DevOps Engineer - Platform & AI Tooling Madrid Onsite

Open 28d Europe

Client Server in Madrid is seeking a DevOps Engineer to design and deliver scalable internal platforms that empower developers and business users with self-service tooling and cloud-native infrastructure. You will…

AI CI/CD Cloud Cloud Native DevOps

DevOps Engineer Azure - FinTech

Open 29d EuropeFull-time

DevOps Engineer (Azure) Madrid onsite to €120,000 Are you a DevOps Engineer who enjoys building developer platforms that enable engineering teams to move faster while maintaining security, governance and reliability?…

Agentic AI AI Azure CI/CD Cloud +8 skills

Senior Data Engineer Python AWS

Open 30d UKFull-timeSenior

Consultant at Client Server - Data and QA Senior Data Engineer (Python AWS SQL DBT) Cheshire to £90k Are you a data technologist looking for an opportunity to progress your career in a hands-on, impactful role with…

Analytics AWS Aws Glue Cloud Cybersecurity +10 skills

Senior Backend Engineer (C# / Python) with AI - Hybrid

Open 33d HybridUKSenior

Client Server in London is seeking a backend software engineer with strong C# and/or Python to join a small, agile team building cloud-native systems for an insurance product portfolio used across international…

Agile AI Cloud Cloud Native C# +1 skills

Full Stack Developer .Net - FinTech

Open 69d RemoteUKFull-time

Build and enhance a web-based trading platform using C#/.NET backend and TypeScript with Angular/React frontend in a TDD environment.

Angular AWS Azure Cloud Containerization +8 skills

Azure Cloud Engineer / DevOps

Open 69d HybridUKFull-time

Design, deploy and manage Azure cloud infrastructure using AKS, Terraform and Bicep, and own CI/CD pipelines and DevSecOps practices for a SaaS survey platform.

Agile AI AKS Automation Azure +12 skills

Senior DevOps Engineer Azure - FinTech

Open 73d EuropeSenior

Senior DevOps Engineer builds and automates Azure-based infrastructure and CI pipelines for a FinTech startup, using Kubernetes, Docker, and scripting to streamline deployments and monitoring.

Automation AWS Azure CI/CD Cloud +7 skills