iOS Developer

Seoul (On-site) • Full time

  • KOREAN: NOT REQUIRED
  • iOS
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At Bump Social Inc., we believe that the current generation of social apps has lost their essence, focusing more on media consumption than fostering real connections between friends. Our mission is to bring back the core of what social should be: meaningful interactions, built around shared experiences and genuine moments.

We see the gap left by platforms like Instagram and TikTok, which have shifted toward influencer-driven content and away from personal, friend-based interactions. This has created an opportunity to fill the void for Gen Z and beyond, who still crave real connection but are no longer posting or engaging in meaningful dialogue with their peers.

Our approach is centered around utility-driven social, where the utility itself is the hook. We believe that the next generation of social apps will thrive by being seamlessly integrated into daily actions, such as capturing and sharing photos, and will deliver value instantly at the moment of interaction. By building a platform where taking photos, sharing them, and reacting happens in one fluid workflow, we create a novel and indispensable experience that users can’t go back from.

With a team of passionate makers and a vision to lead the social 3.0 movement, we’re here to disrupt the status quo and build the next Snapchat 2.0—one that puts real social connections back at the forefront.

We are looking for an iOS App Developer who is interested in building global consumer product. We prefer a candidate with If you have any prior experience in implementing socket, chat, and image & video asset management.

As a iOS App Developer you will

  • mainly develop and improve chat and gallery (image and video) features
  • Optimize for userflow’s overall performance and stability.
  • Flexible work schedule is allowed, but core working hours from 11 AM to 4 PM must be observed.

What we’re looking for

  • +3 years of iOS development experience
  • Experience in chat, implementing web socket, and push/in-app notification
  • Deep understanding of mobile product’s UI interactions

It’s a plus is you have

  • An understanding of data analytics tools like Mixpanel and Amplitude
  • Experience building a mobile app from start to finish
  • Passion and drive for building a global consumer app

We provide

  • Office: FastFive Gangnam Office Station
  • Equipments: Macbook Pro and other equipments needed for work if needed
  • Full time - 3 month probation period
  • iOS team: 3 people (Senior iOS developer, iOS developer, PM)
  • Based on your qualifications, we based your salary off of your previous salary.

Our stack

Frontend (Swift)

  • Swift UI, Combine
  • Swift Package Manager
  • Core functions: Camera / Gallery / Chat
  • AVFoundation, PhotoKit
  • SwiftData
  • WebSocket
  • Xcode

Backend

  • Python
  • Fast API

Infrastructure

  • IAC (Infrastructure As Code & Python base)
  • AWS CLI / CDK
  • Boto3
  • AWS
  • Control Tower
  • Secret Manager
  • S3
  • CDN / CloudFront
  • RDS
  • Lambda
  • Route 53
  • Container Registry
  • Elastic Container Service
  • Code Pipeline
  • Code Deploy
  • DB Auto Migration
  • PostgresSQL
  • SQLAlchemy
  • Alembic
  • Github actions

Tools and Services

  • VSCode
  • Xcode
  • Github
  • Notion
  • Slack
  • Figma