Client Server

Client Server Limited

4 weeks ago

Python Developer SQL - Market Data

Open 25d UKFull-time

CI/CD Data Quality Distributed Systems ETL Infrastructure as Code +7 skills

A Python/SQL developer builds and operates a hedge fund's data platform in Central London: developing microservices, ETL processes and Excel add-ins, maintaining databases, and improving infrastructure (IaC, monitoring, disaster recovery) while supporting day-to-day platform reliability.

up to 150K £

4 weeks ago

Senior Python Developer FastAPI Azure

Open 26d HybridUKSenior

AWS Azure CI/CD Cybersecurity Design Patterns +4 skills

Senior hands-on backend Python engineer at a fast-growing insurance underwriting SaaS provider, hybrid based in London (3 days/week in office). Day to day: design and build FastAPI services on Azure, work with data at scale, and provide technical leadership — code reviews, mentoring, and driving CI/CD and quality practices.

up to 110K £

last month

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 £

Hybrid Full‑Stack Java Engineer — HealthTech Scheduling

Open 69d RemoteUK

A leading health technology company is seeking a Full Stack Java Engineer to work on a product that drives efficiencies for the NHS. In this impactful role, you'll re-architect a shift rota application, enhancing…

Angular Java RDBMS

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 £

Senior Java Developer API Security

Open 74d RemoteUKSenior

Agile Ansible API Api Design Api Security +14 skills

Build and secure cloud-based remote-access microservices in Java, focusing on API design, scalability, and robust security practices within an Agile TDD environment.

up to 75K £

Python Developer Anaconda - MedTech

Open 74d UKFull-time

CI/CD Distributed Systems Image Processing Machine Learning Networking +3 skills

Develop backend services in Python (Anaconda stack) for a medtech startup, focusing on terahertz sensing, image processing, and machine learning while collaborating with scientists and engineers.

up to 55K £

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 £