JB

Jakub Bąk

Available to hire

I am a Senior iOS Engineer who loves turning business goals into fast, secure, and scalable mobile experiences.

About

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.

  • 3 years' experience
  • Joined September 2025

Languages

  • PolishFluent
  • EnglishAdvanced

Industry experience

  • Software & Internet
  • Professional Services
  • Media & Entertainment

Work experience· 4 roles

iOS App Lead / Technical Lead · Clean FormulaJan 2023 – Sep 2025 · 2 yrs 9 mos

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 · NICMAN GROUPJan 2023 – Present · 3 yrs 11 mos

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

Senior iOS Developer · NICMAN GROUPJan 2023 – Sep 2025 · 2 yrs 9 mos

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 · NICMAN GROUPJan 2023 – Present · 3 yrs 11 mos

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