Flutter Dev [Intern] at US Based Y Combinator Startup

About Attack Capital Attack Capital is a venture studio that builds, launches, and scales AI-powered SaaS products across high-impact industries including sales, healthcare, legal, and logistics. Our growing portfolio includes :

PowerDialer.ai – AI-assisted parallel dialer for sales teams

HealOS.ai – AI healthcare automation suite

OpenMic.ai – Ultra-low latency Voice AI stack

MailKarma – Email deliverability & automation

CollectDebt.ai – AI-powered debt collection & compliance automation

We are a YC-backed team operating at startup speed — shipping fast, iterating constantly, and building category-defining products.

Why Join Us This role is perfect for aspiring Flutter developers who want real-world experience building production-grade mobile apps. You’ll work directly with startup founders, engineers, and designers who ship quickly and expect a high level of ownership.

If you’re hungry, driven, and excited about AI + mobile development, this is for you.

Role Overview — Paid Flutter Developer Trainee (Full-Time, 35+ hrs / week) We are hiring Trainee Flutter Developers to support mobile app development across our AI SaaS portfolio. This is an entry-level role ideal for recent graduates, self-taught developers, or career switchers eager to build cross-platform mobile apps using Flutter.

You’ll help build new features, improve app performance, integrate APIs, and ship fast iterations.

This position requires a minimum weekly commitment of 35 hours .

Key Responsibilities Develop and enhance cross-platform mobile apps using Flutter & Dart

Build UI components following clean, scalable architecture

Integrate REST APIs and real-time data sources

Debug issues, optimize performance, and fix bugs

Work closely with product and design teams to implement new features

Participate in sprint planning, code reviews, and rapid iterations

Maintain clean code, documentation, and best practices

Nice to Have Foundational knowledge of Flutter, Dart , and state management (Provider, Riverpod, Bloc, etc.)

Experience building personal or demo Flutter apps

Understanding of Firebase, local storage, or basic backend concepts

Familiarity with Git or version control basics

Interest in AI, automation, and mobile-first SaaS products

Strong problem-solving and debugging skills

What You’ll Gain Hands-on Flutter development experience on live products

Exposure to AI-powered mobile workflows across multiple industries

Direct mentorship from YC-backed founders and senior engineers

Opportunity to ship real features used by actual customers

Fast-paced learning and immediate ownership

Clear path to grow into a full-time Engineer role

Commitment Full-time : Minimum 35 hours per week

High-velocity, high-ownership environment

Remote-friendly with daily check-ins

Interview Process Submit your application

Receive a short Flutter starter kit + coding guidelines

Complete a small take-home Flutter task (1–3 hours)

Quick decision — we move fast

No lengthy rounds. Show us you can learn, execute, and ship.