Mobile Engineer (Flutter)
Change is a regulated European multi-asset investing and trading platform.
Funding history
About Change
Change, operated by Change Securities B.V., is a Dutch-regulated fintech and Crypto-Asset Service Provider serving customers across the European Economic Area. Its multi-asset platform provides crypto investing alongside CFD trading on stocks, forex, indices, commodities, and crypto, with deposits, withdrawals, recurring crypto purchases, price alerts, and wallet withdrawals. It targets retail investors, including beginners and experienced traders, seeking a single mobile platform for regulated access to multiple financial markets.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Build, ship, and maintain a regulated Flutter mobile application for trading, funding, custody, and portfolio experiences. Own mobile architecture, state management, performance, release quality, CI/CD, app-store delivery, and agentic SDLC practices while collaborating with backend, product, design, and compliance.
Requirements
- 3+ years building production mobile applications.
- Recent Flutter and Dart expertise shipped to both the App Store and Play Store.
- Experience with Bloc, Riverpod, or similar state management and mobile architecture.
- Experience with platform channels, native SDK integration, and iOS or Android debugging.
- Understanding of performance, memory, offline and real-time data, secure storage, and mobile networking.
- Experience with REST and WebSocket APIs.
- Experience with idempotency, error handling, and correctness in money-moving flows.
- Daily use of coding agents and experience building or customizing an agentic workflow, tool, or automation.
- Strong written communication and sound judgment in regulated environments.
Responsibilities
- Build, ship, and maintain Flutter features across iOS and Android.
- Own architecture, state management, performance, and release quality.
- Deliver trading, funding, custody, portfolio, and other money-moving flows.
- Write clean, tested, and observable Dart and Flutter code.
- Own CI/CD, app-store submissions, staged rollouts, and crash monitoring.
- Define and validate coding-agent practices for mobile design, review, testing, and incident response.
- Collaborate with backend, product, design, and compliance.
Benefits
- Learning budget
- Real ownership and influence
- Competitive base salary
- Perks and benefits
- Travel to Athens and Estonia a few times a year
Hiring Process
Intro call; hiring manager interview; take-home assignment or live exercise; conversation with senior management.