Senior Flutter Developer – Real-Time / Trading Systems

We’re Hiring: Senior Flutter Developers (3–8 Years)

Company : First Demat Location : Mumbai / WFH Open

Positions : 4 Joining : Immediate Compensation : Competitive Salary + ESOPs

About First Demat First Demat is building a

next-generation stock trading and investment platform

designed for serious traders and long-term investors. Our platform focuses on

real-time market data, ultra-low latency execution, portfolio analytics, and AI-powered insights .

Role Overview We are hiring

Senior Flutter Developers (3–8 years)

to join our core engineering team and build

high-performance, real-time trading applications

for

Android, iOS, and Web . This role is for engineers who have

hands-on experience building production-grade Flutter apps with real-time data and performance-critical UI .

Key Responsibilities Design, develop, and maintain

high-performance Flutter applications Build

real-time features using WebSockets

(market feeds, trades, alerts) Integrate REST APIs and high-frequency data streams Optimize applications for

low latency and smooth UI rendering Handle large data volumes with continuous UI updates Collaborate closely with backend, product, and design teams Review code, enforce best practices, and mentor junior developers

Required Skills & Experience 3–8 years of professional Flutter development experience Strong proficiency in

Flutter and Dart Proven experience with

WebSockets and real-time data streams Expertise in state management ( BLoC, Riverpod, Provider ) Experience handling

high-frequency UI updates and large datasets Strong knowledge of

performance optimization and memory management Experience debugging and maintaining production applications

Preferred / Nice to Have Fintech, stock trading, brokerage, or WealthTech experience Apps published on

Play Store / App Store Familiarity with

AWS, GCP, or Azure Experience with

GraphQL, microservices, or CI/CD pipelines

Why Join First Demat Build a

real-time trading platform from scratch Competitive salary with

ESOP opportunities Work directly with the

founding engineering team High ownership and impact as part of the

early core team Opportunity to solve

complex, performance-critical engineering problems

Important Note for Applicants Please apply

only if you have worked on real-time or WebSocket-based Flutter applications in production . Profiles without relevant Flutter experience may not be considered.

Application Instructions While applying, please include: Your

total Flutter experience One real-time / high-performance Flutter project

you’ve worked on Play Store / App Store link or GitHub profile (if available)