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Client Server

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158 jobs

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158 jobs Posted Sort

Client Server Limited

Data Engineering Lead GCP BigQuery DBT

Open 20d RemoteEuropeLead

Lead a squad of data engineers at a global fintech/CFD trading firm in Kraków, delivering GCP data pipelines and platform capabilities (BigQuery, DBT, Kafka) across batch and real-time workloads, blending technical leadership, data governance and people management. Hybrid: 3 days in office, 2 WFH.

Analytics BigQuery Data Engineering Data Governance Data Pipelines +11 skills

up to 35K PLN / mo

Data Engineer Python SQL Spark

Join a small data team at a London hedge fund, transforming raw third-party market data into usable insights for traders and quants. Day to day you build and improve data pipelines, dictionaries and quality processes using Python (or C#), SQL, Apache Spark and Azure Databricks.

Accessibility Azure C# Data Quality Data Visualization +5 skills

Senior Data Engineer SQL Snowflake - Finance

Open 20d UKSenior

Overview In this Senior Data Engineer role you will design and optimize data pipelines and integrations using Python, SQL, Dagster, Snowflake, DBT and C#, while helping build a Snowflake-based data platform for a…

C# Dagster Data Engineering Data Modeling Data Pipelines +6 skills

Quantitative Developer Python C++ - MFT

Open 21d HybridUK

Overview In this role you will help build a Greenfield MFT platform for equities trading, designing and implementing execution algorithms using Python and C++. You will set technical direction, drive coding standards,…

C++ Java NumPy pandas Python +1 skills

Senior Python Developer FastAPI Azure

Open 21d UKSenior

Overview As a Senior Python Developer you combine hands-on coding with technical leadership to design and deliver a scalable SaaS calculation platform for cyber security insurance. You will shape architecture, set…

AWS Azure CI/CD Cybersecurity Design Patterns +4 skills

Python Developer SQL - Market Data

Overview As a Python Dev you will build and optimize a data platform for high-quality, reliable data delivery in a financial setting. You’ll shape implementations across the full lifecycle and work with…

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

Data Engineer SQL Databricks - Fintech

A data engineer joins a fintech in Newcastle upon Tyne to partner with front-office teams, building and operating the firm's data platform: automating data processes, designing robust pipelines, curating datasets, and enforcing data quality, primarily using Databricks (ideally on Azure), SQL, Apache Spark, and Python (PySpark/Pandas).

Analytics Azure Data Engineering Data Pipelines Databricks +5 skills

Python Developer - Problem Solver

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.

AI AWS Azure C++ Cybersecurity +5 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 Limited

Lead Backend Engineer - Python/TypeScript (Onsite, Newcastle)

Open 22d UKLead

A hands-on lead role designing and building core applications and APIs for clients at a FinTech consultancy, based onsite in Newcastle. The engineer oversees secure server environments and architecture while mentoring others, working across Python, TypeScript, and C#.

API C# Fintech Python TypeScript

Senior DevOps Engineer C# Azure - FinTech

Open 22d UKSenior

Overview Senior DevOps Engineer in a tech-startup backed by an investment-management firm. You will establish and lead the DevOps function, automate infrastructure and CI, and enhance monitoring to improve reliability.…

Automation AWS Azure C# DevOps +5 skills

Client Server Limited

Senior Data Engineer GCP BigQuery DBT

Open 22d RemoteEuropeSenior

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 Limited

Python Developer SQL - Market Data

Open 25d UKFull-time

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.

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

Client Server Limited

Quantitative Developer Python C++ - MFT

Open 25d RemoteUK

A quantitative developer at a global trading firm in London joins a new team building a greenfield mid-frequency trading (MFT) platform for equities, designing and implementing trade execution algorithms (TWAP/VWAP) in Python and C++. Hybrid role (3 days in the London office) with base salary up to £175k plus discretionary bonuses.

C++ Java NumPy pandas Python +1 skills

Senior Python Developer FastAPI Azure

Open 26d HybridUKSenior

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.

AWS Azure CI/CD Cybersecurity Design Patterns +4 skills

Senior Python Backend Engineer - AI Cybersecurity R&D

Open 28d UKSenior

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…

AI C++ Prototyping Python Rust +1 skills

Senior Python Developer Cyber Security

Open 28d UKSenior

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 AWS Azure C++ Cybersecurity +4 skills

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