Client Server Limited

3 weeks ago

Python Developer - Problem Solver

Open 22d UK

AI AWS Azure C++ Cybersecurity +5 skills

Backend Python developer role in a cybersecurity firm's R&D team near Cambridge (office twice a week), building a greenfield product that defends against AI-based attacks. Day to day: rapid prototyping, iterative backend development in Python with exposure to Rust and cloud platforms; salary to £65k.

up to 65K £

AI Analytics BigQuery CI/CD Data Engineering +4 skills

Client Server Limited

3 weeks ago

Senior Data Engineer - GCP, BigQuery & DBT | Hybrid

Open 22d EuropeSenior

Poland

Senior data engineer owning the GCP data platform (BigQuery, dbt) for analytics, compliance and AI at a regulated financial services firm in Kraków. Day to day: build batch and real-time ingestion/transformation pipelines, ensure data quality, and contribute to CI/CD and data governance within a squad.

Open 22d RemoteEuropeSenior

Client Server Limited

3 weeks ago

Senior Data Engineer GCP BigQuery DBT

Poland

Hands-on senior data engineer role in Kraków at a global fintech/CFD trading company: design, build and operate batch and real-time data pipelines on GCP using BigQuery, Kafka, Airflow and DBT as part of a Medallion architecture move, own data quality, observability and integrations, and support AI/data science initiatives. Office-based with 2 days a week work from home.

AI Airflow Analytics BigQuery CI/CD +15 skills

up to 27K PLN / mo

Client Server Ltd.

Senior C# Backend Engineer: API, Microservices, WFH

Open 25d UKSenior

AI API AWS Cloud C# +4 skills

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…

Client Server Limited

Likely evergreen UKFull-timeSenior

Senior Full Stack Developer TypeScript React API

AI API React Rust TypeScript

Senior Full Stack Developer TypeScript React API London, Greater London | £100k - £120k per year Senior Full Stack Engineer / Developer (TypeScript React API Rust) London onsite to £120k Opportunity for a Senior /…

Senior Python Backend Engineer - AI Cybersecurity R&D

Open 28d UKSenior

AI C++ Prototyping Python Rust +1 skills

Client Server is seeking a Senior Python Developer in Cambridge to join a Greenfield platform addressing AI-driven cyber threats. You will design and build high-performance Python backends, with opportunities to work…

Senior Python Developer Cyber Security

Open 28d UKSenior

AI AWS Azure C++ Cybersecurity +4 skills

Senior Python Developer / Software Engineer Cambridge to £80k Are you a senior backend focussed Python Developer looking to work on technology at the forefront of AI and cyber security? You could be progressing your…

AI CI/CD Cloud Cloud Native DevOps

Azure DevOps Engineer - Platform & AI Tooling Madrid Onsite

Open 28d Europe

Spain

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…

Agentic AI AI Azure CI/CD Cloud +8 skills

DevOps Engineer Azure - FinTech

Open 29d EuropeFull-time

Spain

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?…

Backend Engineer - Go/Node, Distributed Systems + Equity

Open 30d UK

AI Distributed Systems Node.js

A backend engineer builds scalable, low-latency distributed systems in Go and Node.js for a real-time messaging platform used by developers and businesses worldwide. The role offers hybrid/remote working with North London office meetups, plus equity.

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

Open 33d HybridUKSenior

Agile AI Cloud Cloud Native C# +1 skills

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…

Python Developer - Problem Solver

Open 40d UK

A backend Python developer role in Cambridge (up to £65k) at an AI-driven cybersecurity company, working on complex systems that protect clients worldwide from advanced cyber threats. Day to day involves Python/backend engineering and heavy problem solving.

AI Cybersecurity Python

up to 65K £

Open 69d HybridUKFull-time

Azure Cloud Engineer / DevOps

Agile AI AKS Automation Azure +12 skills

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.

up to 90K £

Open 69d RemoteUKFull-timeSenior

Senior Full Stack Engineer React TypeScript

AI E-commerce Fintech Microservices Node.js +3 skills

Senior Full Stack Engineer React TypeScript Get AI-powered advice on this job and more exclusive features. This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk…

Python Developer - Geospatial Image Processing

Open 71d RemoteUK

AI Image Processing Machine Learning Python Ruby

Build backend services in Python to process satellite imagery and climate data, turning raw geospatial inputs into actionable Arctic insights for governments and industry.

75K – 85K £

Open 73d HybridUKFull-timeSenior

Senior DevOps Engineer Python AWS CDK

AI AWS CDK CI/CD Cloud +4 skills

Senior DevOps Engineer builds and automates CI/CD pipelines using Python and AWS CDK for a legal-tech startup, reducing para-legal workloads.

up to 110K £

Senior Front End Developer React - Scientific Software

Open 74d UKSenior

Senior Front End Developer building data-centric UIs for Arctic exploration and environmental monitoring using React and modern web tech.

AI Design Patterns OOP

up to 85K £

Senior Python Developer FastAPI - Start-up

Open 74d RemoteUKSenior

AI AWS CI/CD Django Docker +5 skills

Build backend services and FastAPIs in Python, integrate LLMs and payment systems, and work with AWS, Docker, CI/CD, and PostgreSQL in a hands-on senior role at an early-stage AI start-up.

up to 120K £