Senior Software Engineer (iOS) (m/f/n)

InPost Group is an innovative European out of home deliveries company, revolutionizing the way parcels are delivered to customers. With operations across several countries, our network of intelligent lockers provides customers with a fast, convenient, and secure delivery option. InPost Group is a publicly traded company, with a market capitalization of about $5 billion as of March 2023. With over 10,000 people worldwide , InPost Group is one of the largest out of home delivery providers in Europe , committed to providing sustainable and efficient delivery solutions to meet the evolving needs of customers in today's rapidly changing landscape. At InPost, we have built one of the most recognized and appreciated mobile applications in the European logistics sector, used by over 10+ million users —and we are just getting started. Our next step is scaling our mobile platform and products across the European market, both within our core Mobile App and InPost Pay ecosystem. We are looking for experienced Senior iOS Engineers to our InPost Pay team. InPost Pay – a comprehensive e-commerce solution offering a unified platform for payment and delivery. InPost Pay allows users to pay and arrange delivery with one button on the product card, transferring the basket and order to the InPost app. → H ybrid model : 1 day per week from the office in Warsaw or Kraków , remaining days remote → We offer B2B type of contract As a Senior iOS Engineer, you will: Design, build, and maintain high‑quality, scalable iOS applications using Swift (and SwiftUI where applicable). Ensure performance, reliability, accessibility, and excellent user experience across the application. Refactor and evolve existing codebases with a strong focus on scalability, maintainability, and clean design . Apply modern mobile architectures and best practices, including MVVM, Clean Architecture, and SOLID principles . Develop test‑covered, production‑ready code (unit, integration, snapshot tests). Take ownership of features end‑to‑end and actively contribute to technical decisions and architectural direction . Participate in code reviews , ensuring high quality, security, and performance standards. Collaborate closely with product, design, and backend teams in an agile, cross‑functional environment. Support CI/CD pipelines , release processes, and automated testing. Proactively identify technical debt and drive continuous improvements. Create and maintain clear technical documentation (e.g. setup guides, architecture decisions). Use AI tools (e.g. GitHub Copilot, ChatGPT, Claude) to improve productivity, while critically evaluating AI‑generated outputs. Be comfortable working in an agile cross-functional team. The ability to comfortably work independently in Objective-C & Swift , refactoring existing code to improve its design, and working in an agile environment. Develop test-covered code at a high quality and take part in team decisions to build scalable and maintainable apps. Participate in code reviews to ensure code quality, best practices, and standards are followed. Document technical specifications, installation procedures, and other relevant information for applications. An understanding of Mobile Software architectures, including MVVM , Clean Architecture, and SOLID principles. Experience with CI/CD and release process. A good understanding of how to use Git. Good understanding of UI/UX design principles and material design. Proficiency in leveraging AI tools and large language models (e.g., GitHub Copilot, ChatGPT, Claude) to enhance productivity, accelerate development, and solve complex problems. Ability to critically evaluate AI-generated outputs and apply them responsibly within professional workflows. 5+ years of experience building and maintaining production iOS applications. Strong, hands‑on experience with Swift and modern iOS development. Solid understanding of mobile architectures (MVVM, Clean Architecture, SOLID); experience with composable architectures (e.g. TCA) is a plus. Experience with SwiftUI , including advanced layouts, state management, and performance optimization. Knowledge of Swift Concurrency (async/await, structured concurrency, actors). Experience with modularization strategies and scalable codebases. Familiarity with CI/CD , release automation, and Git-based workflows. Good understanding of UI/UX principles and accessibility standards. Comfortable working both independently and collaboratively in an agile environment. Ability to document technical solutions clearly and effectively. Proficiency in using AI tools responsibly to enhance development workflows. Nice to have: Experience with Objective‑C (particularly in legacy or mixed codebases). Swift Package Manager (authoring and managing internal packages). Tools such as Tuist for project/workspace generation. Performance profiling (Instruments) and observability (logs, metrics).