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Client Server

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284 jobs

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284 jobs Posted Sort

Client Server Limited

Senior FinTech Data Engineer - AWS Pipelines & Timeseries

NewBe an early applicant UKSenior

Senior Data Engineer in London who designs and evolves an AWS-based data platform for investment research: building scalable data pipelines, ingesting data, and optimizing PostgreSQL and TimescaleDB while ensuring reliability and governance across the data ecosystem.

AWS PostgreSQL TimescaleDB

Client Server Limited

Senior Full Stack Developer: Vue + C#, Remote/Hybrid

NewBe an early applicant HybridUKSenior

Senior full stack developer based in Bracknell (hybrid, with two office days per week) owning features end-to-end with a Vue frontend and C#/.NET backend (70/30 split) for a global financial services employer. The senior hire drives architecture, mentors others, and works with Product, Design and Compliance.

Client Server Limited

Senior DevOps Engineer (Azure) - C# | Kubernetes & CI/CD

NewBe an early applicant UKSenior

Senior DevOps engineer owning cloud infrastructure for a fintech platform on Azure — building and running CI/CD pipelines, infrastructure-as-code, Kubernetes and monitoring across Windows and Linux. Core stack: Azure DevOps, Terraform, Ansible, Docker, Kubernetes, PowerShell.

Ansible Azure Azure DevOps CI/CD Cloud +8 skills

Client Server Limited

Senior DevOps Engineer C# Azure - FinTech

NewBe an early applicant UKFull-timeSenior

Senior DevOps Engineer at a scaling fintech in Newcastle building platform software for investment management (hedge funds). Owns CI/CD, infrastructure-as-code, monitoring and operational tooling on Azure using Terraform, Ansible, Docker/Kubernetes and PowerShell across Windows/Linux; onsite Mon-Fri, salary to £130k.

Analytics Ansible Automation AWS Azure +13 skills

Client Server Limited

Remote Backend Engineer (Go/Node) - Real-Time Pub/Sub, Equity

NewBe an early applicant HybridUK

Backend engineer building and optimizing a real-time pub/sub messaging platform using Go and Node.js — designing scalable distributed systems, tuning performance, and owning critical components in an AI-driven environment. Remote with occasional meetups at the North London office; equity included.

AI Distributed Systems Node.js

Client Server Limited

Backend Developer Golang Node Pub / Sub

NewBe an early applicant UK

Backend engineer working on the core of a real-time messaging platform, building scalable distributed systems for low-latency Pub/Sub messaging, state sync and AI communication infrastructure in Go or Node.js. Mostly remote with monthly meetups at a North London office; salary up to £120k plus equity.

AI Cloud Distributed Systems Event Driven Architecture Kafka +4 skills

Client Server Limited

Backend Software Engineer Python LLM - Finance

NewBe an early applicant UK

Backend engineer at a finance technology consultancy serving global investment banks, designing autonomous AI systems: multi-modal LLM integration, agentic workflows with RAG and prompt engineering, model optimisation, and scalable MLOps pipelines. Core stack is Python with API development and cloud-native AI deployment.

Agentic AI Agile AI API Cloud +14 skills

Client Server Limited

Python Developer for IAM & Okta SaaS (Remote)

NewBe an early applicant RemoteUK

Python Developer/Software Engineer building IAM & Okta SaaS: writing code in Python and Rust, managing Terraform-based cloud infrastructure, and collaborating with security and engineering teams across the full development lifecycle. Remote-friendly role with office days in London.

Cloud IAM Okta Python Rust +2 skills

Client Server Limited

Python Developer IAM Okta SaaS

NewBe an early applicant RemoteUKFull-time

Python Developer shaping identity and access management at a European car-insurance tech company: building secure-access solutions with Python (some Rust), Terraform IaC, and platforms like Okta and Cloudflare Zero Trust, plus automation and internal tooling. Remote-mostly with a London office option; £75k–£90k.

Automation Cloud Cloudflare IAM Infrastructure as Code +7 skills

Client Server Limited

Full Stack Developer JavaScript Vue.js C# .Net

NewBe an early applicant RemoteUK

Senior hands-on full stack developer at a global financial services company rebuilding its international payments platform. Focus is the Vue.js frontend with C# .NET backend work (~70/30), owning features end-to-end, leading technical decisions, and improving reliability in a microservices/AWS environment.

API AWS Cloud C# .NET +7 skills

Full Stack Engineer C# TypeScript - AI Start-up

NewBe an early applicant UK

Full stack engineer at an AI start-up building scalable SaaS products with C#, TypeScript, and Azure, using AI coding tools (Cursor, Claude) to ship MVPs fast. Day to day you own features end to end — design, CI/CD, testing, production — and work with the CTO to shape the product backlog.

Agentic AI AI Azure CI/CD Cloud +4 skills

Full Stack Developer JavaScript Vue.js C# .Net

NewBe an early applicant UK

Senior hands-on full-stack developer owning features end-to-end in a corporate payments product: roughly 70/30 Vue.js frontend and C#/.NET backend, with SQL, microservices and AWS. Leads architecture, modernises legacy services and mentors the team, working from home with occasional Bracknell office visits.

API AWS Cloud C# .NET +7 skills

Java Developer AI Claude - FinTech

NewBe an early applicant UK

Senior, hands-on Java backend developer role at a scaling FinTech in Newcastle (onsite), working on a new client engagement to modernise a sophisticated C++ trading system into a scalable platform, with an AI/Claude angle. Salary up to £120,000.

AI C++ Fintech Java

Python Developer IAM Okta SaaS

NewBe an early applicant UK

A Python Developer / Software Engineer with IAM (Identity Access Management) knowledge, working on an Okta-based SaaS platform for a European car insurance tech company. Skills mentioned include Python, IAM, Okta, Rust and IaC, with a salary of up to £90k on a remote-friendly arrangement.

IAM Infrastructure as Code Okta Python Rust +1 skills

Client Server Limited

Full Stack Engineer (C# & TS) — AI SaaS, Hybrid WFH

NewBe an early applicant HybridUK

Full Stack Engineer building SaaS products at a scaling AI startup in London, working across C# and TypeScript on Azure and leveraging AI tooling. Hybrid role with two days a week in the office; salary is £100k–£120k per year plus pension.

AI Azure C# SaaS TypeScript

100K – 120K £

Client Server Limited

Full Stack Engineer C# TypeScript - AI Start-up

NewBe an early applicant RemoteUK

Full stack engineer at a bank-funded AI start-up incubator in London, building SaaS products from rapid, design-led MVPs using C#, TypeScript and Azure, while directing AI coding tools (Cursor, Claude Code) and owning CI/CD, testing and deployments. Hybrid: in the London office Wed/Thu, WFH otherwise.

Agentic AI AI Azure CI/CD Claude Code +5 skills

100K – 120K £

Client Server Limited

Data engineer in fintech

NewBe an early applicant UK

Senior hands-on Data Engineer at a scaling investment research tech company in London, building and evolving a modern AWS-based data platform. Day to day: designing data pipelines and ingestion workflows, migrating datasets into a unified architecture, and managing/optimising PostgreSQL and time-series (TimescaleDB) databases.

Airflow AWS Cloud Dagster Data Engineering +11 skills

Client Server Limited

Python Software Engineer Conversational Ai

NewBe an early applicant RemoteUKFull-time

Hands-on backend Python engineer building production conversational/agentic AI systems — working with LLMs, third-party AI integrations, backend services and AWS/IaC infrastructure, while helping modernise the platform architecture. Remote-first UK role with flexible hours and salary to £90k.

Agentic AI AI AWS Conversational AI Infrastructure as Code +4 skills

Client Server Limited

Software Engineer Python Django Sql - Fintech

NewBe an early applicant HybridUKFull-time

Business-facing software engineer building internal platforms and applications with Python, Django, and SQL at a scaling London FinTech whose core product is a private equities / alternative investment management platform. Works across multiple teams and stakeholders, London-based, salary to £80k plus bonus.

Agentic AI AI API Django Fintech +2 skills

Client Server Limited

Backend Software Engineer Python Llm

NewBe an early applicant RemoteUKFull-time

Senior hands-on backend engineer at a scaling AI software provider, building production-grade conversational/agentic AI systems with Python, LLMs and third-party AI integrations, plus the supporting backend services and infrastructure (AWS, TypeScript, Node.js, IaC). Fully remote UK role with a team meetup every other month; salary to £90k.

Agentic AI AI AWS Conversational AI Infrastructure as Code +4 skills