Senior Software Engineer Full Stack – Start-up

Company: Client Server
Apply for the Senior Software Engineer Full Stack – Start-up
Location: Bristol
Job Description:

Overview

In this senior, greenfield role you will help shape a modern cloud-native platform from day one. You’ll work closely with the CTO in a small, experienced team to drive architectural decisions and deliver scalable APIs and frontend features. The role spans backend, APIs, integrations and cloud infrastructure, with AI-powered capabilities woven into the platform. Expect hands-on delivery in an AI-first environment, focusing on code quality, security and robust CI/CD practices.

Pay / Benefits

  • remote/work from home
  • strong progression prospects
  • competitive salary up to 95k
  • high-impact greenfield project

Responsibilities

  • Design and build scalable APIs and cloud-native services
  • Develop serverless architectures and IaC
  • Own frontend work with React while supporting backend integration
  • Implement CI/CD pipelines and engineering standards
  • Collaborate with CTO and cross-functional teammates to align architecture with business needs
  • Integrate enterprise systems and build event-driven solutions
  • Leverage AI development tools to accelerate delivery
  • Ensure security and quality across the stack

Key requirements

  • Strong Full Stack experience with Node.js, TypeScript and React
  • Experience designing scalable APIs and cloud-native apps
  • Experience setting up serverless architectures on Azure or AWS
  • Experience integrating enterprise systems and building event-driven solutions
  • Experience with Infrastructure as Code and CI/CD pipelines
  • Familiarity with AI-assisted development tools (GitHub Copilot, Cursor, Claude)
  • Comfort in collaborative, ownership-driven start-up style environments
  • collaboration
  • ownership
  • proactive problem solving
  • Node.js
  • TypeScript
  • React

…

Posted: September 30th, 2026