Senior iOS Developer with AWS Cloud Expertise (Part-Time, 40) Contract Freelance

Were looking for a senior iOS developer with strong AWS cloud experience to take technical ownership of our iOS scanning application and its supporting cloud pipeline.

Youll work closely with an experienced full-stack engineer who owns the broader product logic and backend evolution while you focus on depth performance and reliability of the scanning system.

This role is designed as a long-term part-time engagement (2 days per week) ideal for a senior engineer who enjoys deep technical challenges and autonomy without full-time commitment.

Tasks

What Youll Be Working With

Our technology stack includes:

• iOS: Native Swift/Objective-C development with Structure SDK integration for depth sensing
• AWS Services: EC2 S3 RDS SQS CloudWatch SNS SES ELB Auto Scaling Groups
• Backend: Python 2.7 Django 1.8 Django REST Framework Celery
• Infrastructure: RESTful APIs Redis queue-based job processing
• 3D Pipeline: CPU-based reconstruction algorithms processing depth sensor data

Key Responsibilities

• Maintain and enhance the native iOS scanning application that integrates with Structure SDK
• Optimize the low-poly preview generation on-device for real-time feedback
• Work with AWS infrastructure including EC2 workers S3 storage architecture and SQS-based job queues
• Collaborate on the 3D reconstruction pipeline that processes scanned data
• Monitor system performance using CloudWatch metrics and alerting
• Handle calibration parameters and sensor integration for various iPad models
• Participate in infrastructure scaling and optimization efforts

Requirements

Required Skills

• Strong native iOS development experience (Swift and/or Objective-C)
• Deep AWS knowledge: EC2 S3 RDS SQS Auto Scaling Groups CloudWatch
• Understanding of RESTful API integration and asynchronous job processing
• Comfortable working with Python-based backends
• Experience with queue systems (SQS Redis Celery)
• Strong debugging and performance optimization skills

Nice to Have

• Experience with 3D graphics point clouds or mesh processing
• Knowledge of computer vision or photogrammetry
• Experience with depth sensors or 3D scanning technologies (Structure SDK or similar)
• Familiarity with Django/Django REST Framework
• Experience with billing integrations (Chargify Braintree)

Benefits

Why Join apeirum

• Work in an international high-performance team.
• Be part of projects where your input matters from architecture to implementation.
• Flexible work setup with trust-based autonomy.
• A culture that values quality initiative and growth over bureaucracy.
• Join us for a yearly strategic offsite meeting filled with team-building activities and social events.

Ready to Make an Impact

Were looking for someone who thrives in a fast-paced innovation-driven environment someone adaptable curious and ready to solve real problems with smart modern tools. If that sounds like you wed love to hear your story.