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Burak Ceylan

Senior Android Developer

Burak Ceylan
Berlin, Germany

Experience

Oct 2023 - Present
2 years 4 months
Würzburg, Germany

Senior Android Developer

Awesome Technologies GmbH

  • Optimized the Amp healthcare app alongside a senior developer, specifically enhancing data caching mechanisms which led to a 25% improvement in load times.
  • Applied MVI architecture, resulting in a 30% decrease in bugs and streamlining testing processes.
  • Implemented CI/CD with Bitrise, reducing deployment sizes from 120MB to 104MB.
  • Led the migration of 40% of the Java codebase to Kotlin.
  • Achieved 85% unit test coverage.
Mar 2023 - Oct 2023
8 months
Sofia, Bulgaria

Android Developer

Scalefocus

  • Engineered the architecture for a Theme Park app using Clean and MVI architectures, increasing unit test coverage by 20% and reducing maintenance efforts by 30% compared to the previous MVVM setup.
  • Implemented Jetpack Compose with Kotlin Multiplatform Mobile (KMM), enabling simultaneous Android and iOS development and reducing build times by 35%.
  • Achieved 90% unit test coverage.
Oct 2021 - Mar 2023
1 year 6 months
Cupertino, United States

Android Developer

LVS R&D

  • Enhanced the LiveViewSports app in collaboration with two junior and one senior teammate.
  • Led the code review process and mentored junior developers, boosting code quality by reducing defect rates by 25%.
  • Migrated 30% of the Java codebase to Kotlin, incorporating MVVM architecture.
  • Resolved critical bugs during the initial two months as part of a structured weekly sprint plan, reducing crash reports in Firebase from 53% to 5%.
  • Implemented MediaPipe for advanced AI features and configured RTSP for live streaming, reducing streaming latency by 40%.
  • Stabilized the app's performance and functionality within six months.
Jan 2021 - Oct 2021
10 months
İstanbul, Turkey

Mobile Developer

Megacode

  • Assisted in building an insurance app from scratch with one senior mobile developer and one junior developer teammate.
  • Chose Flutter and GetX for efficient, rapid iOS and Android development within a six-month timeframe.
  • Successfully built the app within five months.
Jan 2020 - Jan 2021
1 year 1 month
İstanbul, Turkey

Android Developer

Freelancer

  • Musixen App: Integrated video streaming capabilities, boosting user engagement by 30% within six months.
  • Musixen App: Led the design and implementation of the home page and user detail page from scratch with MVVM architecture, resulting in a significant increase in app downloads from 250,000 to 1 million within two years.
  • Obilet App: Contributed to the Obilet app with over 5 million downloads.
  • Obilet App: Crafted a bus price and schedule comparison feature post-date selection using Hilt and Retrofit, reducing boilerplate code by 30% and enhancing efficiency within MVVM architecture.
  • Obilet App: Migrated 30% of legacy Java code to Kotlin.
  • Running App: Utilized Retrofit, DataBinding, Coroutines, and the Geolocation API; migrated Handlers to Coroutines, resulting in a 20% reduction in bugs.
  • Running App: Enhanced user engagement by 25% by implementing Material Design principles to improve UI aesthetics and usability.
Jul 2017 - Jan 2020
2 years 7 months
İstanbul, Turkey

Software Engineer

Kiptas

  • Boosted ERP system server-side efficiency by 20% and enhanced client-side user experience.
Aug 2015 - Jul 2017
2 years
İstanbul, Turkey

PHP Developer

Freelancer

  • Successfully managed and completed over five projects, spanning from ground-up development to feature additions.
May 2013 - Jul 2013
3 months
İstanbul, Turkey

Intern

Microsoft Turkey

  • Honed specialized skills in mobile game development and iOS app development.
  • Led the crafting of a sample game using Unity with two months of prior knowledge.

Summary

Software Engineer with 8 years of tech experience and over 5 years specializing in Native Android development. I have built and contributed to 8 apps, totaling over 50 million downloads. Keen about creativity and problem-solving. Seeking long-term projects.

Skills

  • Kotlin
  • Java
  • Mvvm
  • Mvi
  • Clean Architecture
  • Kmm
  • Android Jetpack Libraries
  • 3rd Party Libraries
  • Jetpack Compose
  • Studio
  • Unit Test
  • Restful Api
  • Git
  • Flutter
  • Dart
  • Firebase
  • Coroutines
  • Dagger-hilt
  • Databinding
  • Datastore
  • Viewbinding
  • Bitbucket
  • Jira
  • Agile
  • Scrum
  • Kubernetes
  • Docker
  • Springboot
  • Recyclerview
  • Navigation Component
  • Room
  • Livedata
  • Flow
  • C++
  • Ui/ux
  • Tdd
  • Ktor
  • Retrofit
  • Glide
  • Rxjava
  • Koin
  • Coil

Languages

Turkish
Native
English
Advanced
German
Intermediate

Education

Oct 2010 - Jun 2015

Beykent University

Software Engineering (English) · İstanbul, Turkey

Oct 2005 - Jun 2009

Akşemsettin Anatolian School

Mathematics-Science Department (German – English) · Turkey

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Burak based?

Burak is based in Berlin, Germany.

What languages does Burak speak?

Burak speaks the following languages: Turkish (Native), English (Advanced), German (Intermediate).

How many years of experience does Burak have?

Burak has at least 10 years of experience. During this time, Burak has worked in at least 6 different roles and for 7 different companies. The average length of individual experience is 1 year and 3 months. Note that Burak may not have shared all experience and actually has more experience.

What roles would Burak be best suited for?

Based on recent experience, Burak would be well-suited for roles such as: Senior Android Developer, Android Developer, Mobile Developer.

What is Burak's latest experience?

Burak's most recent position is Senior Android Developer at Awesome Technologies GmbH.

What companies has Burak worked for in recent years?

In recent years, Burak has worked for Awesome Technologies GmbH, Scalefocus, LVS R&D, and Megacode.

Which industries is Burak most experienced in?

Burak is most experienced in industries like Information Technology (IT), Real Estate, Media, and Entertainment and Publishing. Burak also has some experience in Sport and Recreation, Healthcare, and Transportation and Logistics.

Which business areas is Burak most experienced in?

Burak is most experienced in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA). Burak also has some experience in Project Management.

Which industries has Burak worked in recently?

Burak has recently worked in industries like Information Technology (IT), Healthcare, Media, and Entertainment and Publishing.

Which business areas has Burak worked in recently?

Burak has recently worked in business areas like Information Technology (IT), Product Development, and Quality Assurance (QA).

What is Burak's education?

Burak holds a Bachelor in Software Engineering (English) from Beykent University.

What is the availability of Burak?

Burak will be available full-time from February 2026.

What is the rate of Burak?

Burak's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Burak?

To hire Burak, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

1000
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Market avg: 760-920 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.