Lead Flutter-Firebase Engineer | Equity + Hands-on Ownership

DIFY - Driving Instructor For You; Greater London; Hybrid; GBP 32,000 - 40,000; Full time

Benefits offered by this job

2% equity

Job summary

DIFY is seeking a hands-on Lead Full-Stack Developer to own the platform built with Flutter / Firebase, including Dart code, Firestore data structures, Cloud Functions and Stripe integration. You’ll work closely with the founder in a hybrid London setting, shipping production software and shaping technical direction.

You’ll be responsible for end-to-end delivery, REST APIs, iOS/Android deployments and analytics integrations, mentoring others as the team grows.

Qualifications

• Hands-on experience with Flutter, Dart, Firebase, REST APIs and Git.
• Shipped and maintained production mobile apps on Flutter/Firebase.
• Desirable: Stripe, webhooks, Twilio, OneSignal, PostHog, App Store Connect, Play Console.

Responsibilities

• Own full-stack development from spec to production.
• Design Firestore data structures and Cloud Functions.
• Maintain Firebase security rules and authentication.
• Integrate Stripe payments and subscriptions.
• Instrument analytics and build reliable API/webhooks.

Skills

Flutter

Dart

FlutterFlow

Firebase

REST APIs

Git

Production mobile apps

Tools

Stripe

Twilio

OneSignal

PostHog

FCM

App Store Connect

Play Console

CI/CD

Error monitoring

Mobile security

Node.js

TypeScript

Python

Job description

DIFY is seeking a hands-on Lead Full-Stack Developer to own the platform built with Flutter / Firebase, including Dart code, Firestore data structures, Cloud Functions and Stripe integration. You’ll work closely with the founder in a hybrid London setting, shipping production software and shaping technical direction.

You’ll be responsible for end-to-end delivery, REST APIs, iOS/Android deployments and analytics integrations, mentoring others as the team grows.