Client Server

Lead Python Developer - FinTech, Hybrid (London)

HybridUKLead

API AWS Azure CI/CD Cloud +4 skills

Lead Python Developer for a fintech platform, combining technical leadership with hands-on engineering — building scalable FastAPI APIs, guiding a team, and advancing CI/CD and cloud deployment across GCP/AWS/Azure. Hybrid in central London.

Full Stack Engineer C#.Net Agentic AI

Agentic AI AI Cloud C# .NET +3 skills

Full Stack Engineer building cloud-based SaaS applications using C#.NET and modern frontend technologies (JS/TS), with a strong focus on leveraging AI coding assistants and agentic development tools to accelerate delivery.

40K – 70K £

Senior Data Analyst

SQL Statistics Time Series

The Senior Data Analyst will support front office or market data functions within a financial services environment, utilizing SQL to query large datasets and analyze financial instruments.

40K – 70K £

Senior Python Developer / Consultant SaaS

HybridUKSenior

AWS CDK Cloud DevOps FastAPI +2 skills

This role involves working as a consultant to deliver bespoke Python backend development for SaaS clients. The position requires strong expertise in Python, FastAPI, AWS, and DevOps principles while maintaining direct client relationships.

80K – 80K £

Data Engineer, SQL and Databricks

Azure Cloud Data Engineering Data Pipelines Databricks +5 skills

Data Engineer building data solutions with SQL, Databricks, Apache Spark, and Python (PySpark/Pandas), potentially on Azure infrastructure.

100K – 100K £

Senior Data Engineer Python AWS

UKFull-timeSenior

Analytics AWS Aws Glue Cloud Cybersecurity +10 skills

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…

AI-Driven C# Full-Stack Engineer | Hybrid Up to £95k

HybridUK

C# Full-Stack Engineer designing, developing and scaling modern SaaS applications with an AI-first mindset using C#/.Net in an Agile, hybrid role based in Reigate.

Agile AI C# .NET SaaS

up to 95K £

Remote Senior Full-Stack Engineer – Node/TS/React on Azure

API Azure CI/CD Cloud Cloud Native +3 skills

Senior Full-Stack Engineer building a greenfield cloud-native platform using Node.js, TypeScript, React, and Azure—owning backend services, APIs, and integrations while contributing to frontend development and CI/CD setup.

Greenfield Full Stack Engineer (Node/React) - Azure, Remote

AI API Api Design CI/CD Cloud +5 skills

Full Stack Engineer designing and building a modern cloud-native platform, working on backend services, APIs, and frontend features with Node.js, TypeScript, and React, collaborating with the CTO.

Mid-Level Full-Stack Engineer - C#/.NET & AWS

UKMiddle

Builds and maintains complex payment/client systems in a microservices environment using C#/.NET and AWS, collaborating in an Agile team to drive impactful trading solutions.

AWS DevOps Engineer – Cloud Automation & CI/CD

HybridUK

AWS CI/CD Cloud DevOps ECS +1 skills

Design, automate, and scale AWS infrastructure, manage ECS containers, and enhance CI/CD pipelines in a hybrid role supporting FinTech and market data stakeholders.

Senior C# Backend Engineer • .NET Core (Onsite, Newcastle)

Senior C# Developer leading backend development on a core platform using the latest C# .NET Core technologies, working onsite in Newcastle with a small team through the full SDLC.

London C# .NET Backend Engineer | SQL & Design Patterns

UKFull-time

Backend C# .NET Developer working onsite in London, building robust .NET services and collaborating with database teams at a global sports trading firm.

C# .NET

Senior Backend Engineer - C#/.NET, London, £150k + Bonus

Senior hands-on Backend Engineer building scalable backend services in C#/.NET and ASP.NET with database systems for a global sports trading business, working onsite in London Monday–Friday.

Backend Engineer (Python/Rust) – AI Security R&D, Cambridge

HybridUK

AI Cybersecurity Python Rust TypeScript

Backend Software Engineer on a greenfield cybersecurity project in Cambridge, primarily coding in Python with exposure to Rust and TypeScript alongside AI-based security technologies.

Low-Latency Backend Engineer - .NET / Java, AWS