Sergii Zhuk

Sergii Zhuk

Lead Software Engineer

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About Me

Hi, I'm Sergii, Software Engineer and curious learner. I develop software professionally since 2012, and have experience in both research and engineering positions with team responsibilities.

Currently I'm building things at Facebook. Please find my CV here.

Summary of qualifications

● Android Apps Development since 2012. Kotlin, RxJava, MVP, Unidirectional Workflow, React Native;

● Leading mobile engineering teams, generating product ideas, work with stakeholders;

● Experienced blogger (1.8K+ followers on and speaker (200people+ audience);

● Founder & Organizer of Kotlin Night Berlin event series (Jul 2017, Mar 2018, Nov 2018). Rockstar speakers, 160+ attendees, hosted and supported by sponsors I found;

Latest Projects


ProAndroidDev Medium Publication

We started ProAndroidDev in April 2017 aiming to consolidate great Android Dev blog posts in one place. Time flies, and now we’re at 30K followers on Medium, 100+ authors, and 10+ media partners. We’re very proud to be trusted by experienced authors and Google Developer Experts on Android!

The project was sold to Droidcon Global in 2019, the founding team stay on board to move things forward :)

Find out more

Work Experience

Engineering Manager Facebook (Menlo Park, Mar 2019 - present)

• Started a new team to take Portal App to the next level;

• Established scalable release pipeline and QA flow;

• Drove product development together with PM and Design teams;

• Organised and hosted Kotlin/Everywhere meetup for software engineers in SF Bay Area.

Lead Software Engineer Facebook (Menlo Park, Jun 2018 - present)

• Launched the new App for Android and iOS in less than 6 months of active development;

• Android SDK, iOS SDK, React Native, GraphQL, JavaScript;

• Shaped cutting edge products with the Portal team.

Freelance Android Engineer (Berlin, Oct 2017 - May 2018)

• Crafting Android Apps and advising on the best practices for VIP Customers;

• Proud to be contracted by Novoda (Google Certified Agency);

• Implementing new features for the 10M+ downloads app. API 17+, Unidirectional Workflow/MVI, Architecture Components, RxJava2, Kotlin.

Founder & Editor (Apr 2017 - Present)

• Medium Publication collecting in-depth blog posts written by Android Professionals and Google Developer Experts;

• Built from scratch together with a team of experienced developers.

Android Engineer and Feature Team Lead Zalando SE (Aug 2015 - Sep 2017)

Zalando Android App: Europe’s biggest online retailer for clothing, 10M+ downloads;

• Led iOS+Android+Backend feature team, responsible for all aspects of app tracking. Established delivery process and communications with different stakeholders;

• Reimplemented several app screens to split the logic using MVP pattern and increased test coverage. API 14+, Kotlin, Retrofit, RxJava, Picasso, Jenkins CI;

• Interviewed candidates for junior, middle, senior, and tech lead roles;

• The app was featured as Editor’s Choice and Top Developer by Google.

Android Engineer Spotler/MailPlus BV (Jan 2014 - Jul 2015)

• Android applications development in partnership with DAXX BV (Kyiv, Ukraine);

• Solo projects with a full scope of responsibilities.

Software Engineer Luxoft Ukraine/UBS Investment Bank (Mar 2013 - Jan 2014)

• Project: Financial Regulation Applier. Java6, Scala, Vaadin, Hibernate3, Oracle 10 DB;

• Distributed Scrum team of 7+ engineers.

Android Apps Development for fun and profit (Jun 2012 - Jul 2015)

Car Rentals Market Android client. Leading team of 3 engineers;

• Split - The Antisocial App. Facebook SDK 3.5, Google Maps v2, KitLocate, Gradle;

• Android video blackbox recorder. Google Maps v2, Camera, GPS;

• Simple Player: Android audio player. API 8+, MediaStore, MediaPlayer.

Junior Software Engineer Epam Systems (Aug 2012 - Mar 2013)

GreenWay App for web & Android to show pollution level on the map. Technologies used: Android SDK, Google Maps API, Glassfish 3, PrimeFaces;

• Internship study course. JavaEE technology stack, MySQL & PostgreSQL databases.

Startup Project Manager CMT (Oct 2011 - Apr 2012)

• Product development and organizing manufacturing process: Blade server for mini-ITX mainboards;

• Leading team of 5 engineers.