Client Server Limited

Senior DevOps Engineer

New RemoteUKSenior

Ansible Artifactory AWS CI/CD DevOps +16 skills

Senior, hands-on DevOps engineer at a global financial services company rebuilding its international payments platform. You build, deploy and operate production apps across AWS, VMware and Kubernetes, develop CI/CD pipelines, Terraform IaC and monitoring/observability, and drive zero-downtime deployments. WFH most of the time, Bracknell office twice a week.

up to 95K £

Senior Data Engineer - Finance Data

Airflow AWS Dagster Data Lake Data Modeling +9 skills

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.

up to 120K £

Data Engineer - Finance Data

New HybridUK

Airflow AWS Cloud Dagster Data Lake +10 skills

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.

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.

Senior Python Developer - Cyber Security

New HybridUKSenior

AI AWS Azure C++ GCP +4 skills

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.

Senior Full Stack Engineer Vue C# .Net

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

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.

Full Stack Engineer .Net JavaScript - Sports Betting

New UK

Full Stack Engineer building sophisticated platforms used to analyse and trade on global sports markets for a UK technology business, working with C# .NET Core and JavaScript. Based in St Albans (South East UK) with work-from-home option, salary up to £100k.

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

up to 80K £

Senior Full-Stack Tech Lead – Ruby/TS/React, B2B SaaS, Remote

New HybridUKLead

API React Ruby TypeScript

Senior full-stack engineer / technical lead owning technical strategy and architecture for developer ecosystems, centered on API and SDK design. Day to day: driving the full development lifecycle with Ruby, TypeScript and React, mentoring engineers, reviewing contributions, and collaborating with the developer community. Hybrid London/remote, package to £130k.

up to 130K £

Full Stack Engineer .Net JavaScript - Sports Betting

New UK

Full Stack Engineer building a sophisticated platform that analyses and trades on global sports betting markets. Day-to-day full stack development with C#/.NET Core on the backend and JavaScript on the frontend, based in St Albans with work-from-home options, salary up to £100k.

Senior DevOps Engineer

Ansible Artifactory AWS CI/CD DevOps +16 skills

Senior DevOps engineer in a Corporate Payments division who builds and runs scalable production platforms on AWS, VMware and Kubernetes. Day to day: owning Terraform IaC, CI/CD pipelines, configuration management (Ansible/Puppet), monitoring/observability, and zero-downtime deployments while mentoring development teams.

up to 95K £

C# Software Engineer / Team Lead

New UKLead

Lead a squad rebuilding an international payments platform within a global financial services company's Corporate Payments division, staying hands-on with C# architecture, development, delivery, and production operations. Based in Bracknell/Warfield with WFH options, salary up to £95k.

Release Engineering Lead Azure DevOps

New HybridUKLead

Automation Azure Azure DevOps CI/CD Cloud +8 skills

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.

Software Engineer IAM Python SaaS

New RemoteUK

Automation Cloud Cloudflare IAM Infrastructure as Code +6 skills

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.

up to 90K £

Senior Software Engineer Python - Energy Trading

Analytics CI/CD Observability Python

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.

up to 140K £

Senior Full Stack Engineer Vue C# .Net

New RemoteUKSenior

API AWS Cloud C# .NET +7 skills

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.

Hybrid Senior Full-Stack Engineer (Vue + C#/.NET)

New HybridUKSenior

Senior full-stack engineer in Bracknell (hybrid: mostly remote, twice-weekly in office) owning features end-to-end across a Vue.js frontend and C#/.NET backend, driving architecture decisions and working with Product, Design, and Compliance. A regulated payments background and STEM degree are pluses.

C# .NET Vue

Full Stack Engineer / Technical Lead B2B Saas

New UKLead

AI API Automation Design Patterns iOS +8 skills

Technical lead role at a B2B SaaS provider of serverless real-time infrastructure that processes billions of messages daily. You'd own technical strategy and architecture for developer ecosystems, define API/SDK design standards, lead cross-team initiatives, and mentor engineers. Core stack: Ruby, TypeScript, React; mostly remote with monthly meetups at a North London office.

up to 130K £

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

New UKLead

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

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.