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Client Server Limited

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84 jobs

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84 jobs Posted Sort

Client Server Limited

Senior Full Stack Engineer Vue C# .Net

New RemoteUKSenior

Senior full-stack engineer at a global financial services company rebuilding its international payments platform, working in the Corporate Payments division. Own features end-to-end with a Vue.js frontend focus (70%) plus C# .NET backend/API work (30%), including architecture, reliability and mentoring. Hybrid: WFH most days, Bracknell office twice a week.

API AWS Cloud C# .NET +7 skills

Client Server Limited

Full Stack Engineer (C#/.NET) – Hybrid, Cloud & Data

Build and maintain sports analytics platforms as a full-stack engineer, focused on C#/.NET Core backend work within large-scale distributed systems handling real-time data in the cloud. Hybrid role based in St Albans, UK, with two days of home working per week.

Analytics Cloud C# Distributed Systems .NET

Client Server Limited

Full Stack Engineer .Net JavaScript - Sports Betting

Full Stack Engineer building platforms that analyse and trade on global sports markets, working on large-scale distributed, real-time systems in a collaborative team. Core stack is C#/.NET Core with JavaScript, AWS, and microservices, in a hybrid role based in St Albans.

AWS Cloud C# Design Patterns Distributed Systems +3 skills

85K – 100K £

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 | Hybrid/WFH

Data Engineer building and evolving a modern AWS cloud data platform for financial data at a scaling fintech in London — designing data pipelines, ingestion frameworks and processing workflows, plus data modelling and database optimisation. Hybrid: three days in the London office, two remote.

AWS Cloud Data Modeling Data Pipelines Fintech

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

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

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 Full Stack Engineer Vue C# .Net

Senior hands-on full-stack engineer owning features end-to-end on a global payments platform — roughly a 70/30 split of Vue.js frontend and C#/.NET backend work — including shaping architecture, modernising legacy services, and mentoring teammates.

AWS Cloud C# .NET Event Driven Architecture +6 skills

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

Release Engineering Lead Azure DevOps

New HybridUKLead

Leads release engineering for a SaaS product: owns packaging, releases and customer-facing delivery, runs day-to-day releases, and modernises CI/CD, automation, governance and observability on Azure while coaching teams to raise release maturity. Core tech: Azure, Azure DevOps, GitHub, Infrastructure as Code, GitOps.

Automation Azure Azure DevOps CI/CD Cloud +8 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

Client Server Limited

Senior Full Stack Engineer Vue C# .Net

New RemoteUKSenior

Senior full-stack engineer at a global financial services company rebuilding its international payments platform: owns features end-to-end with roughly 70% Vue.js frontend and 30% C#/.NET backend/API work, using AWS, microservices and SQL. Mostly work-from-home with two days a week in the Bracknell office.

API AWS Cloud C# .NET +7 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

Release Engineering Lead Azure DevOps

Release Engineering Lead at a global InsurTech business: you own day-to-day releases for an assigned SaaS product stack while modernising CI/CD pipelines, release automation and governance across the estate. Hands-on role blending Azure DevOps, GitHub, IaC and GitOps with coaching engineering teams; hybrid (3 days WFH), up to £130k plus bonus.

Automation Azure Azure DevOps CI/CD Cloud +7 skills

Data Engineer - Finance Data

A hands-on Data Engineer building and evolving a modern, scalable AWS cloud data platform at a growing investment-research tech company in London, focused on data pipelines, database management and platform delivery using Python, SQL and AWS. Role is London-based with WFH options, salary up to £85k.

AWS Cloud Data Engineering Data Pipelines Fintech +2 skills