Founding Full-Stack Engineer — Ground-Floor Stock Options

Madfish; Remote; GBP 80,000 - 100,000; Full time

Job summary

A leading analytics platform for nonprofits is seeking a Founding Engineer to own the technical stack and shape product direction. This role requires deep experience with infrastructure and CI/CD, strong skills in Python, Node.js, and SQL, and a startup mentality. You'll quickly iterate in a high-impact environment while building scalable data pipelines and customer-facing features. The role comes with meaningful stock options and a chance to work closely with the founding team, making significant contributions right from the start.

Benefits

Meaningful stock options

Fast-moving startup environment

Opportunity for personal development

Chance to collaborate directly with the founding team

Qualifications

• Deep experience with infrastructure, CI/CD, and cloud platforms.
• Strong skills with Python, Node.js/TypeScript, and SQL.
• Comfortable working with large datasets and optimising query performance.
• Ability to architect systems from scratch – not just maintain them.
• Startup mentality: proactive, resourceful, and able to operate in ambiguity.
• Willingness to work at the pace of an early-stage startup (60-hour weeks).
• Bonus: experience with data products, open data, or analytics tooling.

Responsibilities

• Own our technical stack end-to-end: infrastructure, CI/CD, backend APIs, and front-end delivery.
• Build and maintain scalable data pipelines.
• Design robust CI/CD workflows to support rapid iteration.
• Set up and manage core infrastructure including monitoring and security.
• Develop customer-facing features with a strong focus on performance.
• Work directly with founders to define the roadmap and prioritise features.
• Contribute to hiring, technical standards, and engineering culture.

Skills

Infrastructure

CI/CD

Python

Node.js/TypeScript

SQL

Data products

Tools

DuckDB/MotherDuck

BigQuery

Postgres

GitHub Actions

Cloud Build

GCP

AWS

TypeScript

React

Next.js

Job description

A leading analytics platform for nonprofits is seeking a Founding Engineer to own the technical stack and shape product direction. This role requires deep experience with infrastructure and CI/CD, strong skills in Python, Node.js, and SQL, and a startup mentality. You'll quickly iterate in a high-impact environment while building scalable data pipelines and customer-facing features. The role comes with meaningful stock options and a chance to work closely with the founding team, making significant contributions right from the start.