iOS Developer

Zestlog Oslo Full-time
Salary Competitive
Equity To be negotiated
Are you looking for a challenge in a highly dynamic Startup environment where you can be part of something great in the future? If yes, we'd love to hear from you.

Job Description

We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be development of iOS applications and their integration with back-end services. You will be working alongside with other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential.


  • Design and build applications for the iOS platform

  • Ensure the performance, quality, and responsiveness of applications

  • Collaborate with a team to define, design, and ship new features

  • Identify and correct bottlenecks and fix bugs

  • Help maintain code quality, organization, and automatization


  • Experience in developing iOS applications

  • Proficient with Swift, and Cocoa Touch

  • Experience with iOS frameworks such as Core Data, Core Animation, etc.

  • Experience with offline storage, threading, and performance tuning

  • Familiarity with RESTful APIs to connect iOS applications to back-end services

  • Knowledge of other web technologies and UI/UX standards

  • Understanding of Apple’s design principles and interface guidelines

  • Knowledge of low-level C-based libraries is preferred

  • Experience with performance and memory tuning with tools

  • Familiarity with cloud message APIs and push notifications

  • Proficient understanding of code versioning tools

  • Familiarity with continuous integration

  • Holding a software engineering degree is an advantage, but not necessary

  • Good problem solving skills

Perks and benefits

This job comes with several perks and benefits

Flexible working hours
Flexible working hours

Time is precious. Make it count. Morning person or night owl, this job is for you.

Working at

Zestlog is a digital health platform that brings personalization, connection and protection into the digital health services. Zestlog is built to disrupt the way a large industry currently operates. Stages of Development: 1) MVP has been built and tested with real end-users 2) Prototype has been designed and developed 3) Currently, the platform is under development 4) Q3-Q4 2020 Finding Product-Market-Fit 5) Q1 2021 Go-To-Market

Read more about Zestlog