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Hello! I'm Danylo Bulanov, a Senior iOS Engineer based in Brooklyn, NY. I specialize in performance-critical features, audio/music systems, and scalable app architectures. I focus on memory management, stability, and delivering high-quality iOS products that delight users. I enjoy shaping end-to-end experiences, collaborating with product and design, and mentoring teams to raise the bar for code quality and reliability.…Hello! I'm Danylo Bulanov, a Senior iOS Engineer based in Brooklyn, NY. I specialize in performance-critical features, audio/music systems, and scalable app architectures. I focus on memory management, stability, and delivering high-quality iOS products that delight users. I enjoy shaping end-to-end experiences, collaborating with product and design, and mentoring teams to raise the bar for code quality and reliability.

Danylo Bulanov

App Developer, Web Developer, Front-End Developer, +2

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Hello! I'm Danylo Bulanov, a Senior iOS Engineer based in Brooklyn, NY. I specialize in performance-critical features, audio/music systems, and scalable app architectures. I focus on memory management, stability, and delivering high-quality iOS products that delight users. I enjoy shaping end-to-end experiences, collaborating with product and design, and mentoring teams to raise the bar for code quality and reliability.…Hello! I'm Danylo Bulanov, a Senior iOS Engineer based in Brooklyn, NY. I specialize in performance-critical features, audio/music systems, and scalable app architectures. I focus on memory management, stability, and delivering high-quality iOS products that delight users. I enjoy shaping end-to-end experiences, collaborating with product and design, and mentoring teams to raise the bar for code quality and reliability.

Available to hire

Hello! I’m Danylo Bulanov, a Senior iOS Engineer based in Brooklyn, NY. I specialize in performance-critical features, audio/music systems, and scalable app architectures. I focus on memory management, stability, and delivering high-quality iOS products that delight users.

I enjoy shaping end-to-end experiences, collaborating with product and design, and mentoring teams to raise the bar for code quality and reliability.

Skills

Experience Level

Swift

Expert

Objective-C

Expert

Language

English

Intermediate

Russian

Fluent

Ukrainian

Fluent

Work Experience

Software Engineer at Apptrust

September 1, 2024 - December 31, 2025

Built and launched Never Be Lonely, a consumer social networking app, from zero to production. Owned the iOS app end-to-end, including architecture, performance, and release pipeline. Designed backend services and collaborated with product and design to ship features quickly and reliably.

iOS Engineer at Ops

November 1, 2023 - November 1, 2024

Led iOS development of a consumer finance application with a strong focus on performance and monetization. Reduced peak RAM usage from ~1.5 GB to under 100 MB, significantly improving stability, responsiveness, and user retention. Implemented a flexible subscription and paywall system with A/B testing and analytics-driven iteration. Improved overall app performance by ~40%.

iOS Engineer at Waterllama

December 1, 2022 - October 1, 2023

Designed and shipped new Apple Watch features tightly integrated with the core iOS experience, expanding ecosystem engagement. Optimized iCloud data synchronization, improving reliability, cross-device consistency, and overall user trust. Delivered new subscription and onboarding flows, contributing to increased paid conversion rates. Raised overall code quality through architectural improvements and mentoring within the iOS team.

iOS Developer at Skywell Software

October 1, 2020 - December 1, 2022

Improved performance and reliability of high-traffic e-commerce iOS applications, including large-scale retail products. Optimized critical user flows, resulting in faster transactions and higher conversion rates. Introduced scalable architecture patterns and automated testing across legacy codebases.

iOS Developer at Show 4me

June 1, 2019 - October 1, 2020

Led development of a music crowdfunding iOS application as the primary iOS engineer. Built a modular, low-latency audio player and real-time social features (likes, comments, replays). Designed a scalable app architecture and contributed to backend microservices supporting real-time interactions.

iOS Developer at Altamira

May 1, 2016 - June 1, 2019

Delivered multiple B2C iOS products for international clients, acting as a lead iOS engineer on several projects. Built reusable components and maintainable architectures adopted across multiple applications. Developed a custom iOS keyboard extension with stickers and third-party integrations.