Medior Mobile Developer — Flutter/Kotlin, Hybrid (Eindhoven)

Chargee; Eindhoven; Hybrid; EUR 65,000 - 90,000; Full time

Benefits offered by this job

8% holiday allowance

Pension plan

Commuting allowance

25 vacation days

Laptop

Hybrid work 4 days in office

Job summary

Chargee is building the open energy platform for households and you will join as the second mobile developer to own the consumer app and onboarding funnel. You will work closely with the product designer, backend and customer teams to shape the mobile experience and partner integrations.

The role focuses on delivering measurable improvements in the Sparky onboarding, app reliability, and device integrations across a hybrid work model based in Eindhoven.

Qualifications

• Shipped mobile apps to App Store and Play Store.
• Experience with Flutter/Kotlin/Dart and native iOS/Android.
• Comfortable with hardware-connected apps (BLE/Wi‑Fi provisioning).
• Strong product sense and focus on funnels and user experience.

Responsibilities

• Own the consumer app: features, releases, quality, app store reviews.
• Improve the Sparky onboarding funnel: Wi‑Fi provisioning, pairing with the smart meter, first-use experience.
• Raise the EV charging experience to partner grade within the app layer.
• Surface integrations for 100+ devices (inverters, home batteries, heat pumps, EV chargers).
• Collaborate daily with product, backend, and customer teams to align signals and decisions.
• Help build the mobile foundation: CI/CD, release process, testing strategy, architecture decisions.

Skills

Mobile development

Flutter

Kotlin

Dart

iOS

Android

Product sense

Independent worker

English communication

Tools

Flutter

Kotlin

Dart

iOS

Android

Job description

Chargee is building the open energy platform for households and you will join as the second mobile developer to own the consumer app and onboarding funnel. You will work closely with the product designer, backend and customer teams to shape the mobile experience and partner integrations.

The role focuses on delivering measurable improvements in the Sparky onboarding, app reliability, and device integrations across a hybrid work model based in Eindhoven.