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Client Server

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153 jobs

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153 jobs Posted Sort

Client Server Limited

Software Engineer IAM Python SaaS

New RemoteUKFull-time

Software engineer focused on identity and access management for a European car-insurance tech company — building custom Python/Rust applications, Infrastructure as Code (Terraform), and integrating Okta and Cloudflare Zero Trust. Remote-first within the UK with a London office option; £78k–£90k plus bonus and benefits.

Automation Cloud Cloudflare IAM Infrastructure as Code +7 skills

Client Server Limited

Founding Software Engineer (Python) – Equity & Impact

Founding engineer at an early-stage AI start-up, owning the design and build of scalable, cloud-native apps end-to-end (backend and frontend) in Python and TypeScript, with CI/CD and Azure deployments. Works alongside the founding team to set engineering direction, splitting time between London and Cambridge.

AI Azure CI/CD Cloud Cloud Native +2 skills

Client Server Limited

Senior Software Engineer Python TypeScript AI

New RemoteUKSenior

Senior Software Engineer at a global games software house, taking AI prototypes into reliable production systems used by ~700,000 live users. Builds LLM-powered applications and agentic workflows across Python and TypeScript backends on AWS, working hybrid from Central Manchester three days a week.

Agentic AI AI AWS CI/CD Cloud +7 skills

DevOps Engineer AWS - FinTech

Hands-on DevOps engineer designing and scaling AWS infrastructure for trading and market data products at a fast-growing fintech. Day to day: building platforms with Terraform IaC, managing ECS container workloads, improving CI/CD and observability, and enforcing cloud security/IAM — hybrid in London, up to £80k plus bonus.

Automation AWS CI/CD Cloud Cloud Security +10 skills

Founding Software Engineer Python - Start-up

Founding engineer at a London/Cambridge startup who owns design and delivery of scalable cloud-native apps in Python and TypeScript, deployed on Azure, leveraging LLMs and agentic AI. Sets engineering practices, builds backend services, frontend components and CI/CD, and shapes product decisions alongside the founders.

Agentic AI AI API Azure CI/CD +11 skills

Client Server Limited

Data Engineer - Finance Data

Hands-on Data Engineer at a scaling investment research tech company in London, building and evolving an AWS cloud data platform: designing data pipelines, ingestion frameworks and workflows, and managing PostgreSQL/time-series databases. Hybrid role — 3 days in the London office, 2 from home.

Airflow AWS Cloud Dagster Data Engineering +11 skills

Madrid Fintech Software Engineering Lead (Python/Ts) - Up To €120.000 A Year

Lead a team of software engineers in Madrid for a fintech consulting firm, working with Python and TypeScript while driving technical insights and collaborating with clients. On-site in Madrid, with salary up to €120,000 per year.

Fintech Python TypeScript

Client Server Limited

Senior Data Engineer - Finance Data

New RemoteUKSenior

Senior hands-on Data Engineer at a scaling investment-research tech company in London, building AWS-based data pipelines and ingestion workflows, managing PostgreSQL and time-series databases, and migrating datasets into a unified data architecture. Hybrid: 3 days/week in the office, 2 WFH. Stack: Python, SQL, AWS, PostgreSQL, TimescaleDB, Dagster/Airflow.

Airflow AWS Cloud Dagster Data Engineering +10 skills

Senior Data Engineer - Finance Data

Senior Data Engineer at a scaling investment-research fintech in London, owning AWS-based data pipelines, ingestion frameworks and processing workflows. Day to day centres on PostgreSQL and time-series data (TimescaleDB), migrating datasets into a unified architecture, and improving data quality, governance and platform reliability.

Airflow AWS Dagster Data Lake Data Modeling +9 skills

Data Engineer - Finance Data

Data Engineer at a scaling investment-research tech company in London: build and maintain AWS-based data pipelines and ingestion workflows, migrate datasets into a unified cloud architecture, and optimize PostgreSQL and time-series databases for reliable access to finance data. Hybrid role, salary to £85k + bonus.

Airflow AWS Cloud Dagster Data Lake +10 skills

Senior Software Engineer Python TypeScript AI

Senior Software Engineer role at a global games software house in Manchester (with WFH options), building and enhancing AI-powered products used by ~700,000 live users. Day to day involves developing scalable applications with strong Python and TypeScript skills; salary up to £80,000.

AI Python TypeScript

Senior Python Developer - Cyber Security

New HybridUKSenior

Senior Python Developer building a new Greenfield, AI-powered security product in an R&D team in London (hybrid). Day-to-day involves rapid backend prototyping and structured delivery primarily in Python, with some Rust, TypeScript, C++, and cloud (AWS/Azure/GCP) work.

AI AWS Azure C++ GCP +4 skills

Senior Software Engineer Python TypeScript AI

Senior Software Engineer in Manchester (with WFH) at a global games software house, building and enhancing AI-powered products used by 700,000 live users. Day to day you work at the intersection of software engineering and AI, turning prototypes into production features using Python and TypeScript, earning up to £80k.

AI Python TypeScript

Devops Engineer Aws Azure - Up To €80.000 A Year

DevOps engineer at a global FinTech company in Amsterdam building a blockchain-based product for NetZero/environmental sustainability targets. As the sole DevOps engineer there, you manage and support AWS-led (plus some Azure) cloud infrastructure using CDK, CloudFormation, Docker and Python automation, hybrid 3 days office / 2 WFH.

Automation AWS Azure Blockchain CDK +7 skills

Software Engineer IAM Python SaaS

Software engineer focused on identity and access management: building secure access solutions in Python and Rust, automating with Terraform (IaC), and integrating Okta and Cloudflare Zero Trust for a high-growth European insurtech platform. Remote-friendly with a London office option; salary up to £90k.

Automation Cloud Cloudflare IAM Infrastructure as Code +6 skills

Senior Software Engineer Python - Energy Trading

Senior Python engineer at a fast-growing energy-tech firm in London: own the Python production codebase for power price forecasting, asset optimisation, dispatch and trading — turning quantitative research into clean, production-grade software while raising standards in testing, observability and performance.

Analytics CI/CD Observability Python

Client Server Limited

Data Scientist (Python & SQL) - Flexible WFH €65k

Client Server Limited seeks a Data Scientist (Python SQL) in Milan with work-from-home flexibility. You will join the Pricing team to design and build predictive technology handling claims predictions, renewal…

Data Science Machine Learning Python SQL Statistics

Lead C# & .NET Core Backend Engineer (Hands-on Leader)

A hands-on lead backend engineer role in Newcastle upon Tyne: you own C#/.NET Core backend systems, architect APIs and microservices, and mentor a growing team while guiding technical decisions and roadmaps. Onsite position with competitive package and bonus potential.

API C++ C# .NET Java +2 skills

Client Server Limited

Lead Python Developer & Team Lead - FinTech, Hybrid London

Lead Python Developer & Team Lead in London (hybrid) heading a small team on a core banking platform: delivering features, refactoring, and blending architecture/design with people management and mentoring. Core stack: Python, FastAPI, cloud services, and SDLC; a STEM degree (2.1+) is required.

API Cloud FastAPI Python SDLC

Data Engineer - Finance Data

Hands-on Data Engineer at a scaling investment-research tech company in London (with WFH options), working at the intersection of data engineering, database management and platform delivery. Core stack is Python, SQL and AWS; building data pipelines in a finance/fintech environment, salary up to £85k.

AWS Data Engineering Data Pipelines Fintech Python +1 skills