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I am a Senior iOS Engineer who loves turning business goals into fast, secure, and scalable mobile experiences. I focus on performance, reliability, and delightful user interfaces that drive retention, conversion, and revenue. Currently I lead iOS delivery at NICMAN GROUP (USA), shipping a portfolio of 12 apps with a 99.9%+ crash-free rate and consistently meeting product roadmaps. I also work on flagship SDKs and personal projects, translating complex trade-offs into clear business decisions and collaborating across teams to deliver high-quality user experiences.…I am a Senior iOS Engineer who loves turning business goals into fast, secure, and scalable mobile experiences. I focus on performance, reliability, and delightful user interfaces that drive retention, conversion, and revenue. Currently I lead iOS delivery at NICMAN GROUP (USA), shipping a portfolio of 12 apps with a 99.9%+ crash-free rate and consistently meeting product roadmaps. I also work on flagship SDKs and personal projects, translating complex trade-offs into clear business decisions and collaborating across teams to deliver high-quality user experiences.

Jakub Bąk

App Developer, Web Developer, Programmer, +3

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I am a Senior iOS Engineer who loves turning business goals into fast, secure, and scalable mobile experiences. I focus on performance, reliability, and delightful user interfaces that drive retention, conversion, and revenue. Currently I lead iOS delivery at NICMAN GROUP (USA), shipping a portfolio of 12 apps with a 99.9%+ crash-free rate and consistently meeting product roadmaps. I also work on flagship SDKs and personal projects, translating complex trade-offs into clear business decisions and collaborating across teams to deliver high-quality user experiences.…I am a Senior iOS Engineer who loves turning business goals into fast, secure, and scalable mobile experiences. I focus on performance, reliability, and delightful user interfaces that drive retention, conversion, and revenue. Currently I lead iOS delivery at NICMAN GROUP (USA), shipping a portfolio of 12 apps with a 99.9%+ crash-free rate and consistently meeting product roadmaps. I also work on flagship SDKs and personal projects, translating complex trade-offs into clear business decisions and collaborating across teams to deliver high-quality user experiences.

Available to hire

I am a Senior iOS Engineer who loves turning business goals into fast, secure, and scalable mobile experiences. I focus on performance, reliability, and delightful user interfaces that drive retention, conversion, and revenue.

Currently I lead iOS delivery at NICMAN GROUP (USA), shipping a portfolio of 12 apps with a 99.9%+ crash-free rate and consistently meeting product roadmaps. I also work on flagship SDKs and personal projects, translating complex trade-offs into clear business decisions and collaborating across teams to deliver high-quality user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Polish

Fluent

English

Advanced

Work Experience

iOS App Lead / Technical Lead at Clean Formula

January 1, 2023 - September 9, 2025

Owner and lead developer of Clean Formula, an iOS app with barcode recognition, offline database, and safety analysis to help users make informed skincare choices; steered end-to-end development from discovery to release.

Senior iOS Engineer at NICMAN GROUP

January 1, 2023 - Present

Led iOS delivery for a portfolio of 12 applications, maintaining a 99.9%+ crash-free rate and consistently meeting product roadmaps.

Senior iOS Developer at NICMAN GROUP

January 1, 2023 - September 9, 2025

Led iOS delivery for a portfolio of 12 applications, maintaining a 99.9%+ crash-free user rate and consistently meeting product road map deadlines.

Senior iOS Developer at NICMAN GROUP

January 1, 2023 - Present

Led iOS delivery for a portfolio of 12 applications, maintaining a 99.9%+ crash-free user rate and consistently meeting product road map deadlines.