Role: Senior iOS Developer (remote, based in Poland)

Start Date: ASAP

Package: 5.400 EUR(+VAT)/month on B2B contract

At LetsBuild, we are transforming the construction industry one step at a time. With our innovative ConTech solution, LetsBuild Aproplan, we are expanding into new markets across Europe and beyond. Our mission is to bring modern, easy-to-use technologies to the construction industry, making a significant impact on how projects are managed and executed.

We are a passionate team of over 55 individuals on a mission to digitalize the construction industry. Our software solutions are instrumental in the creation of residential housing, office buildings, commercial centers, wind farms, highways, and numerous other transformative projects. 🛣️ 🏠

While we embrace the flexibility of remote work, we value in-person collaboration and sometimes meet in the Łódź office to foster a strong team environment. We also have offices in Copenhagen (Denmark) and Braine L'Alleud(Brussels), showcasing our expansive global footprint.

Through regular team events and our annual team camp, we create a culture of collaboration and empowerment, continually striving to improve from within.

About the role:

🌟We are looking for a Senior iOS Developer passionate about pushing mobile tech to the limits, unafraid of working with and upgrading legacy code. You will be part of an international team of talented engineers working on the multi-platform software suite aiming to improve the everyday reality of the construction business. As a member of the engineering chapter, you will have high autonomy, and your work will have a high impact.

Responsibilities:

As the senior developer, you’re at the forefront of iOS innovation! 🛠️📱 Here’s your mission:

• Design, build, and enhance advanced mobile features on the iOS platform while ensuring maintainable, scalable, and robust code that adheres to SOLID principles.
• Collaborate with team members and cross-functional teams to integrate the iOS app into the larger software platform.
• Migrate legacy code to modern technologies and patterns, and continuously improve app performance.
• Conduct code reviews and actively participate in bug fixing.
• Develop and maintain comprehensive tests, including unit tests, to ensure robustness, edge-case handling, usability, and reliability.
  
  
  

Nice to have:

Experience with Android, Kotlin Multiplatform or other cross-platform solutions is a plus.

🚀 About you: :

• Bachelor’s degree in Engineering, Computer Science, or related tech field with 4+ years of software development experience, including 2+ years of iOS development.
• Published at least one iOS app in the App Store, with deep knowledge of Swift, Cocoa Touch, and base iOS frameworks (e.g., Core Data, Core Animation).
• Strong understanding of the full mobile development life-cycle, including Apple’s App Review Guidelines, popular third-party libraries, and emerging iOS technologies.
• Familiar with REST APIs, async/await patterns, and relevant iOS back-end service practices.
• Proficient in UI development using InterfaceBuilder, Auto Layout, SwiftUI, and Apple’s design principles.
  
  
  

What We Offer:

• Global Influence: Immerse yourself in an international, trust-based, and transparent workplace where your voice matters and everyone is encouraged to contribute.
• Real Impact: See the tools you develop come to life in massive real-world applications, being used in over $7 billion worth of construction projects across more than 1500 cities.
• Autonomy in Your Role: As a vital part of our engineering team, you'll enjoy a high degree of independence. Your work will not just be a job—it will make a tangible impact.
• Time off: 30 days of paid vacation
• Opportunities for continuous learning and professional growth with our training budget