Dominik Drąg

Independent iOS & macOS Engineer

Consulting & independent products

Sep 2026 – Present

• Consult on native app architecture, reliability, on-device AI, and practical AI workflows that engineering teams can adopt and maintain.
• Automated my own app delivery from idea through implementation, builds, archiving, and App Store submission, coordinated from a single prompt.
• Designed post-build verification loops that check results and feed findings into the next iteration.

Senior Swift Engineer

Littlebird

Sep 2025 – Jul 2026

• Built the on-device meeting transcription pipeline for a macOS AI assistant: integrated local models, improved transcription quality, and cut cloud costs by $20K/month.
• Built application parsers and improved the context collection pipeline to enrich the AI assistant's personal knowledge graph and make generated insights more relevant.
• Engineered real-time audio processing, transcription recovery, and telemetry; resolved meeting-detection and phantom-recording failures across audio hardware.

macOS Engineering Team Leader

NordVPN · Nord Security

Apr 2025 – Sep 2025

• Led the macOS team, improving app stability and reducing build times through modularization and build-pipeline improvements.

Senior macOS Engineer

NordVPN · Nord Security

Sep 2024 – Apr 2025

• Delivered post-quantum encryption integration ahead of deadline, coordinating macOS, backend, and QA teams.
• Optimized concurrency in core features, reducing user-reported issues by 70%.

iOS Engineering Team Leader

AppUnite

Nov 2022 – Sep 2024

• Built two fintech applications from 0 to 1 and led seven cross-platform engineers, delivering major releases with zero critical production issues.
• Introduced modular architecture and TDD, cutting build times from 8 minutes to 1.5 minutes; reduced release cycles from 8 hours to 2 hours with GitHub Actions and Fastlane.

Senior iOS Developer

AppUnite

Aug 2022 – Nov 2022

• Developed a cryptocurrency exchange platform handling 100K+ daily active traders with sub-second response times.
• Assumed team leadership during a critical product launch, ensuring on-time delivery despite a resource shortage.

iOS Developer

Accenture

Nov 2020 – Aug 2022

• Contributed to three banking apps serving 2M+ users; implemented biometric authentication that reduced login time by 60%.
• Served as interim team leader for three months, managing five developers; built an AR experience for the Dubai Expo event app.

ddskills

AI agent skills

Reusable agent skills for Apple app verification, workflow automation, local transcription, and documenting implementation decisions.

Devflow

Open source · Developer tool

Claude Code plugin for structured engineering workflows: exploration, architecture, implementation, and verification.

InTouch

iOS · Released

Friend reminders with personal contact cadences and a history of calls, messages, and conversations.

Clear Intervals

iOS · Released

Workout interval timer with configurable rounds, sets, rest periods, and Live Activities.

Launch Control

iOS · Released

Morning planning built backward from departure time, with step-by-step guidance and a final door check.

DoseWise

iOS · In development

Medication tracking with flexible schedules, dose history, and package supply tracking.

B.Sc. Computer Science

Military University of Technology, Warsaw

2018 - 2022

Computer Systems Engineering · Study abroad: Polytechnic Institute of Bragança, Portugal (2021)