Senior Pre-Sales Engineer — AI-Driven Demos

Kaluza; Greater London; Hybrid; GBP 65,000 - 75,000; Full time

Benefits offered by this job

Pension Scheme

Discretionary Bonus Scheme

Private Medical Insurance + Virtual GP

Life Assurance

Flexible holidays

Learning budget

Home office budget

Perks at Work

Job summary

Kaluza is seeking a Senior Pre-Sales Engineer in a hybrid London/Bristol role. You will build demo-grade, production-shaped assets using Node.js/TypeScript and React, leveraging GenAI to accelerate prototyping.

This position blends technical delivery with strategic pre-sales support to showcase Kaluza’s energy intelligence platform. You will collaborate across product, design, and commercial teams, mentor peers, and shape API standards while delivering compelling technical narratives for

Qualifications

• Proficient in Node.js/TypeScript with solid coding experience.
• Strong React fundamentals and UI integration.
• Deep experience with GenAI/LLMs to prototype apps quickly.
• Experience designing clean REST/GraphQL APIs and using Git workflows.

Responsibilities

• Build mock backends and demo assets for technical storytelling.
• Develop reusable mock services with API-first approach.
• Manage demo environments using Terraform and AWS deployments.
• Collaborate with frontend teams to connect UI to mocks.
• Support pre-sales by translating client needs into artifacts.
• Contribute to product UX direction and design ideas.
• Mentor teammates on API design and engineering standards.
• Champion GenAI workflows within the Commercial team.

Skills

Node.js / TypeScript

React

GenAI / LLMs

API Design

AWS

Terraform

OIDC

Tools

REST API

GraphQL

Git / GitHub

Job description

Kaluza is seeking a Senior Pre-Sales Engineer in a hybrid London/Bristol role. You will build demo-grade, production-shaped assets using Node.js/TypeScript and React, leveraging GenAI to accelerate prototyping.

This position blends technical delivery with strategic pre-sales support to showcase Kaluza’s energy intelligence platform. You will collaborate across product, design, and commercial teams, mentor peers, and shape API standards while delivering compelling technical narratives for