Senior Native Swift Developer

DAC.digital Group; Województwo pomorskie; On-site; PLN 256,680 - 318,060; Full time

Job summary

A leading technology company in Poland is seeking an experienced iOS developer with over 5 years of expertise in Swift and ARKit. Responsibilities include leading the design of iOS applications and integrating machine learning models. A bachelor’s degree and strong communication skills are required. The position allows for remote work or office presence in Gdańsk.

Qualifications

• 5+ years of professional experience in native iOS development with Swift.
• Portfolio of shipped iOS applications with experience in ARKit.
• Proficiency with Python for scripting and data analysis.

Responsibilities

• Lead the design and development of the native iOS application using Swift.
• Implement and optimize real-time AR experiences using ARKit.
• Integrate and run machine learning models on-device.

Skills

iOS development with Swift

ARKit

Core ML

RESTful APIs

Python

Education

Bachelor’s degree in Computer Science, Engineering, or relevant field

Job description

At DAC.digital, we are constantly growing our business. As part of our growth strategy, we are strengthening our strategic partnership with a leading provider of advanced robotic automation technologies.

Key information:

• 23 000 – 28 500 PLN net/month – pure B2B contract
• 20 000 – 25 000 PLN net/month – B2B contract (days off included)

It is vital that you have:

• 5+ years of professional experience in native iOS development with Swift;
• a portfolio of shipped iOS applications, with demonstrable experience building complex features using ARKit for human movement analysis (body tracking, pose estimation);
• deep expertise with core iOS frameworks: Core ML, Vision, AVFoundation, UIKit, and SwiftUI;
• proven experience integrating machine learning models into a mobile application;
• familiarity with on-device data processing and performance optimization techniques;
• experience consuming RESTful APIs and working with data formats like JSON;
• proficiency with Python for scripting, data analysis, or collaborating with data science teams;
• experience using the AWS SDK for iOS for tasks like user authentication (Cognito) or file storage (S3);
• bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent experience;
• knowledge of English (min. B2);
• working in agile methodologies (Scrum, Kanban);
• high communication skills;
• eager to learn and share knowledge;
• willing to travel if necessary (conferences, coworking events, etc.).

Nice to have:

• experience with 3D graphics frameworks like SceneKit, RealityKit, or Metal;
• familiarity with computer vision libraries like OpenCV;
• advanced debugging and performance tuning skills using Instruments;
• experience in the health tech, digital therapy, or fitness app space;
• contributions to open-source projects.
• Swift
• ARKit
• Core ML, Vision, AVFoundation
• RESTful APIs
• Python
• AWS SDK

You will be responsible for supporting our team in:

• lead the design, development, and maintenance of our native iOS application using Swift;
• implement and optimize real-time AR experiences using ARKit, with a focus on human body tracking, motion capture, and scene understanding;
• integrate and run machine learning models on-device using Core ML and the Vision framework for tasks like pose estimation;
• work extensively with low-level camera and sensor data via AVFoundation and Core Motion;
• ensure optimal application performance, focusing on CPU/GPU usage, memorymanagement, and battery efficiency;
• collaborate closely with backend and data science teams to integrate APIs and process data effectively.

What do we offer:

• possibility to work 100% remotely or on-site at our office in Gdańsk;