Senior Software Engineer Full Stack - Start-up

Client Server; West of England; Hybrid; GBP 80,000 - 95,000; Full time

Job summary

Client Server is seeking a Senior Software Engineer to shape a brand-new product, using Node.js, TypeScript and React to build a modern cloud-native platform. You will work with the CTO to influence architecture and deliver high-impact features, including AI-powered capabilities and serverless infrastructure.

Based in Bristol with the option to work from home most of the time, you’ll join a small, experienced team and own critical components from day one, with strong progression as the company

Qualifications

• Strong Full Stack development with Node.js, TypeScript and React.
• Experience designing scalable APIs and cloud-native applications.
• Experience setting up serverless architectures with Azure or AWS.
• Experience integrating enterprise systems and building event-driven solutions.
• Familiarity with Infrastructure as Code and CI/CD pipelines.
• Experience using AI-assisted development tools such as Copilot, Cursor or Claude.
• Comfort working in collaborative, startup-style environments with ownership.

Responsibilities

• Design and build modern cloud-native platform and APIs.
• Lead backend services, integrations and cloud infrastructure, with frontend contributions.
• Establish engineering standards, CI/CD pipelines and architectural decisions with CTO.
• Develop infrastructure as code and event-driven integrations.
• Collaborate with team to accelerate delivery while ensuring code quality and security.

Skills

Node.js

TypeScript

React

API design

Cloud architectures

Serverless

CI/CD pipelines

AI tooling

Ownership

Tools

Microsoft Azure

AWS

GitHub Copilot

Cursor

Claude

Job description

Senior Software Engineer / Full Stack Developer (Node TypeScript React Cloud) Bristol / WFH to £95k

Are you a senior Software Engineer looking for a genuine Greenfield opportunity where you\'ll shape architecture from day one?

You could be joining a growing financial services business as they build a brand new product that will transform how financial advisers work. This is a high impact role within a small, experienced engineering team where you\'ll work directly with the CTO, influence technical decisions and see the immediate impact of your work.

As a Senior Software Engineer, you\'ll help design and build a modern cloud native platform, setting up serverless platforms from the ground up using Node.js, TypeScript, React and Microsoft Azure.

Working across the full technology stack, you\'ll take ownership of backend services, APIs, integrations and cloud infrastructure, whilst also contributing to frontend development. The platform will incorporate AI powered capabilities including meeting transcription, automated report generation and intelligent workflow automation.

You\'ll be hands-on, designing scalable APIs, building event driven integrations, developing Infrastructure as Code and establishing engineering standards, CI/CD pipelines and architecture alongside the CTO. Working in an AI first engineering environment, you\'ll use modern AI development tools to accelerate delivery while maintaining ownership of code quality, security and technical design.

Location / WFH:

You can work from home most of the time, meeting up with colleagues in the Bristol office once or twice a week.

About you:

• You have strong Full Stack development experience with Node.js, TypeScript and React
• You have experience of designing scalable APIs and cloud native applications
• You have experience of setting up serverless architectures with modern cloud tools Microsoft Azure or AWS
• You have experience integrating enterprise systems and building event driven solutions
• You\'re comfortable working with Infrastructure as Code and CI/CD pipelines
• You have experience of using AI assisted development tools such as GitHub Copilot, Cursor or Claude
• You enjoy working in collaborative, start-up style environments with high levels of ownership

What\'s in it for you:

• Salary to £95k
• Impactful role with excellent progression as the company scales